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got things to work with HTTP and stdout

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# This is the list of obkit's significant contributors. # This is the list of okit's significant contributors.
# #
# This does not necessarily list everyone who has contributed code, # This does not necessarily list everyone who has contributed code,
# especially since many employees of one corporation may be contributing. # especially since many employees of one corporation may be contributing.
@ -8,3 +8,4 @@
# Format: # Format:
# name <email> # name <email>
# #
Mya Pitzeruse

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GNU AFFERO GENERAL PUBLIC LICENSE Copyright (C) Mya Pitzeruse
Version 3, 19 November 2007
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along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.

11
Makefile
View File

@ -5,8 +5,7 @@ Welcome to obkit!
Targets: Targets:
help provides help text help provides help text
test run tests generate run code and documentation generation
legal prepends legal header to source code
endef endef
export HELP_TEXT export HELP_TEXT
@ -16,6 +15,8 @@ help:
# actual targets # actual targets
legal: .legal generate:
.legal: go run tools/gen-tags/main.go -out tags.go
addlicense -f ./legal/header.txt -skip yaml -skip yml . addlicense -f cmd/okit/legal/header.txt cmd/okit/
addlicense -f cmd/okitd/legal/header.txt cmd/okitd/
addlicense -f legal/header.txt .

73
README.md
View File

@ -2,7 +2,7 @@
Short for "observability kit", `okit` aims to provide an all-in-one solution to application observability. Short for "observability kit", `okit` aims to provide an all-in-one solution to application observability.
### Why ## Why
Traditional approaches to observability treat logging, application metrics, and tracing as independent operations, with Traditional approaches to observability treat logging, application metrics, and tracing as independent operations, with
independent data streams. In practice, these elements are more or less all the same, with some minor differences between independent data streams. In practice, these elements are more or less all the same, with some minor differences between
@ -26,53 +26,68 @@ them. Developers often have to choose between logging a message, emitting a metr
- Medium/High cardinality data (user id / signature, other metadata fields). - Medium/High cardinality data (user id / signature, other metadata fields).
- Typically available in real-time to assess user experience / feature performance. - Typically available in real-time to assess user experience / feature performance.
### How ## Usage
### Basic
```go ```go
package main package main
import ( import (
"context" "context"
"os/signal"
"syscall"
"time"
"go.pitz.tech/okit" "go.pitz.tech/okit"
) )
func main() {
var tags []okit.Tag var tags []okit.Tag
func do(ctx context.Context) {
ctx, done := okit.With(tags...).Trace(ctx)
defer done()
// DO WORK!
select {
case <-ctx.Done():
case <-time.After(time.Second):
}
}
func main() {
ctx, shutdown := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer shutdown()
// Metric emission // Metric emission
okit.Observe("", 0, tags...) okit.Observe("temperature_c", 20.9, tags...)
// Multi-dimensional events // Multi-dimensional events
okit.Emit("", tags...) okit.Emit("user_signup", tags...)
// Tracing // Tracing
ctx, done := okit.Trace(context.Background()) ctx, done := okit.Trace(context.Background(), tags...)
defer done() defer done()
_ = ctx.Err() // not needed, removes unused error
// Logging // Logging
okit.Debug("", tags...) okit.Debug("a message used for debugging", tags...)
okit.Info("", tags...) okit.Info("an informational message for the user", tags...)
okit.Warn("", tags...) okit.Warn("a warning indicating an issue with the system", tags...)
okit.Error("", tags...) okit.Error("the system encountered an error", tags...)
do(ctx)
} }
``` ```
### HTTP
`okit` comes with built-in functionality to make it easy to trace HTTP operations.
```go
package main
import (
"net/http"
okithttp "go.pitz.tech/okit/http"
)
func main() {
// Instrument HTTP Clients
okithttp.InstrumentClient(http.DefaultClient)
// Add reporting endpoints
mux := http.NewServeMux()
okithttp.RouteEndpoint(mux, okithttp.NewEndpoint())
// Instrument HTTP Handlers
handler := okithttp.InstrumentHandler(mux)
err := http.ListenAndServe("0.0.0.0:8080", handler)
if err != nil {
panic(err)
}
}
```

28
api.go
View File

@ -1,18 +1,22 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package okit package okit

81
api_impl.go
View File

@ -1,77 +1,78 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package okit package okit
import ( import (
"bufio"
"context" "context"
"crypto/rand" "os"
"encoding/base64"
"io" "github.com/golang/protobuf/jsonpb"
"time"
) )
// contextKey is a holder structure that allows data to be attached to contexts. // DefaultClient provides a default client implementation.
type contextKey string var DefaultClient = NewClient()
// spanKey identifies a span on a given context. // TODO: make this configurable
var spanKey = contextKey("okit.span") var sink = bufio.NewWriter(os.Stdout)
var marshaler = &jsonpb.Marshaler{}
// TODO: allow this to be replaced // ContextKey is a holder structure that allows data to be attached to contexts.
var defaultClient Interface[Client] = Client{ type ContextKey string
now: time.Now,
uuid: func() string {
buf := make([]byte, 16)
n, err := io.ReadFull(rand.Reader, buf)
if err != nil {
panic(err)
}
return base64.RawStdEncoding.EncodeToString(buf[:n]) // SpanKey identifies a span on a given context.
}, var SpanKey = ContextKey("okit.span")
}
// With returns a client containing additional tags.
func With(tags ...Tag) Client { func With(tags ...Tag) Client {
return defaultClient.With(tags...) return DefaultClient.WithCallerSkip(3).With(tags...)
} }
// Emit emits an event with the provided tags.
func Emit(event string, tags ...Tag) { func Emit(event string, tags ...Tag) {
defaultClient.Emit(event, tags...) DefaultClient.WithCallerSkip(3).Emit(event, tags...)
} }
// Observe reports a metric value with the provided tags.
func Observe(metric string, value float64, tags ...Tag) { func Observe(metric string, value float64, tags ...Tag) {
defaultClient.Observe(metric, value, tags...) DefaultClient.WithCallerSkip(3).Observe(metric, value, tags...)
} }
// Trace traces a function call. It implements distributed tracing and bookend events.
func Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFunc) { func Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFunc) {
return defaultClient.Trace(ctx, tags...) return DefaultClient.WithCallerSkip(3).Trace(ctx, tags...)
} }
func Debug(msg string, tags ...Tag) { func Debug(msg string, tags ...Tag) {
defaultClient.Debug(msg, tags...) DefaultClient.WithCallerSkip(3).Debug(msg, tags...)
} }
func Info(msg string, tags ...Tag) { func Info(msg string, tags ...Tag) {
defaultClient.Info(msg, tags...) DefaultClient.WithCallerSkip(3).Info(msg, tags...)
} }
func Warn(msg string, tags ...Tag) { func Warn(msg string, tags ...Tag) {
defaultClient.Warn(msg, tags...) DefaultClient.WithCallerSkip(3).Warn(msg, tags...)
} }
func Error(msg string, tags ...Tag) { func Error(msg string, tags ...Tag) {
defaultClient.Error(msg, tags...) DefaultClient.WithCallerSkip(3).Error(msg, tags...)
} }

140
client.go
View File

@ -1,59 +1,86 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package okit package okit
import ( import (
"context" "context"
"crypto/rand"
"encoding/base32"
"io"
"runtime" "runtime"
"strings"
"time" "time"
"go.pitz.tech/okit/pb" "go.pitz.tech/okit/pb"
) )
var encoding = base32.StdEncoding.WithPadding(base32.NoPadding)
// NewClient produces a new default client implementation for emitting metrics.
func NewClient() Client {
return Client{
now: time.Now,
uuid: func() string {
buf := make([]byte, 16)
n, err := io.ReadFull(rand.Reader, buf)
if err != nil {
panic(err)
}
return encoding.EncodeToString(buf[:n])
},
callerSkip: 2,
}
}
// Client provides a default implementation. // Client provides a default implementation.
type Client struct { type Client struct {
now func() time.Time now func() time.Time
uuid func() string uuid func() string
tags []Tag tags []Tag
callerSkip int
} }
func (o Client) withCaller() Client { func (o Client) WithNow(now func() time.Time) Client {
pkg, fn, line := infer(caller(3)) o.now = now
return o
o.tags = append(o.tags, }
String("package", pkg),
String("func", fn), func (o Client) WithUUID(uuid func() string) Client {
Int("line", line), o.uuid = uuid
) return o
}
func (o Client) WithCallerSkip(callerSkip int) Client {
o.callerSkip = callerSkip
return o return o
} }
// With adds additional tags to the observer instance and returns a new copy for reference.
func (o Client) With(tags ...Tag) Client { func (o Client) With(tags ...Tag) Client {
o.tags = append(o.tags, tags...) o.tags = append(o.tags, tags...)
return o return o
} }
// Emit allows for the emission of an event which has now value and only associated tags. // Emit allows for the emission of an event which has now value and only associated tags.
func (o Client) Emit(event string, tags ...Tag) { func (o Client) Emit(event string, tags ...Tag) {
o.withCaller().With(tags...).emit(&pb.Entry{ o.With(tags...).emit(&pb.Entry{
Kind: pb.Kind_Event, Kind: pb.Kind_Event,
Name: event, Name: event,
}) })
@ -61,7 +88,7 @@ func (o Client) Emit(event string, tags ...Tag) {
// Observe reports a metric and it's associated value. // Observe reports a metric and it's associated value.
func (o Client) Observe(metric string, value float64, tags ...Tag) { func (o Client) Observe(metric string, value float64, tags ...Tag) {
o.withCaller().With(tags...).emit(&pb.Entry{ o.With(tags...).emit(&pb.Entry{
Value: &pb.Entry_Double{Double: value}, Value: &pb.Entry_Double{Double: value},
Kind: pb.Kind_Metric, Kind: pb.Kind_Metric,
Name: metric, Name: metric,
@ -70,9 +97,7 @@ func (o Client) Observe(metric string, value float64, tags ...Tag) {
// Trace allows a method to be traced, and it's execution time recorded and reported for viewing. // Trace allows a method to be traced, and it's execution time recorded and reported for viewing.
func (o Client) Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFunc) { func (o Client) Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFunc) {
pkg, fn, _ := infer(caller(2)) name, _ := caller(o.callerSkip)
name := pkg + "." + fn
start := o.now() start := o.now()
span := Span{ span := Span{
@ -80,7 +105,7 @@ func (o Client) Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFu
ID: o.uuid(), ID: o.uuid(),
} }
v := ctx.Value(spanKey) v := ctx.Value(SpanKey)
if v != nil { if v != nil {
parent, hasParent := v.(Span) parent, hasParent := v.(Span)
if hasParent { if hasParent {
@ -89,9 +114,21 @@ func (o Client) Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFu
} }
} }
return context.WithValue(ctx, spanKey, span), func() { o.With(tags...).With(String("bookend", "start")).emit(&pb.Entry{
Kind: pb.Kind_Event,
Name: name,
Value: &pb.Entry_String_{String_: "trace"},
})
return context.WithValue(ctx, SpanKey, span), func() {
duration := o.now().Sub(start) duration := o.now().Sub(start)
o.With(tags...).With(String("bookend", "complete")).emit(&pb.Entry{
Kind: pb.Kind_Event,
Name: name,
Value: &pb.Entry_String_{String_: "trace"},
})
tags = append( tags = append(
[]Tag{ []Tag{
String("trace-id", span.TraceID), String("trace-id", span.TraceID),
@ -101,19 +138,19 @@ func (o Client) Trace(ctx context.Context, tags ...Tag) (context.Context, DoneFu
tags..., tags...,
) )
o.withCaller().With(tags...).emit(&pb.Entry{ o.With(tags...).emit(
&pb.Entry{
Kind: pb.Kind_Trace, Kind: pb.Kind_Trace,
Name: name, Name: name,
Value: &pb.Entry_Duration{Duration: pb.DurationPB(duration)}, Value: &pb.Entry_Duration{Duration: pb.DurationPB(duration)},
}) },
)
} }
} }
// Debug produces a debug log event. // Debug produces a debug log event.
func (o Client) Debug(msg string, tags ...Tag) { func (o Client) Debug(msg string, tags ...Tag) {
// todo: is debug enabled? o.With(tags...).emit(&pb.Entry{
o.withCaller().With(tags...).emit(&pb.Entry{
Kind: pb.Kind_Log, Kind: pb.Kind_Log,
Name: msg, Name: msg,
Value: &pb.Entry_String_{String_: "debug"}, Value: &pb.Entry_String_{String_: "debug"},
@ -122,9 +159,7 @@ func (o Client) Debug(msg string, tags ...Tag) {
// Info produces an information log event. // Info produces an information log event.
func (o Client) Info(msg string, tags ...Tag) { func (o Client) Info(msg string, tags ...Tag) {
// todo: is info enabled? o.With(tags...).emit(&pb.Entry{
o.withCaller().With(tags...).emit(&pb.Entry{
Kind: pb.Kind_Log, Kind: pb.Kind_Log,
Name: msg, Name: msg,
Value: &pb.Entry_String_{String_: "info"}, Value: &pb.Entry_String_{String_: "info"},
@ -133,7 +168,7 @@ func (o Client) Info(msg string, tags ...Tag) {
// Warn produces a warning that is surfaced to operators. // Warn produces a warning that is surfaced to operators.
func (o Client) Warn(msg string, tags ...Tag) { func (o Client) Warn(msg string, tags ...Tag) {
o.withCaller().With(tags...).emit(&pb.Entry{ o.With(tags...).emit(&pb.Entry{
Kind: pb.Kind_Log, Kind: pb.Kind_Log,
Name: msg, Name: msg,
Value: &pb.Entry_String_{String_: "warn"}, Value: &pb.Entry_String_{String_: "warn"},
@ -142,21 +177,32 @@ func (o Client) Warn(msg string, tags ...Tag) {
// Error produces a message that communicates an error has occurred. // Error produces a message that communicates an error has occurred.
func (o Client) Error(msg string, tags ...Tag) { func (o Client) Error(msg string, tags ...Tag) {
o.withCaller().With(tags...).emit(&pb.Entry{ o.With(tags...).emit(&pb.Entry{
Kind: pb.Kind_Log, Kind: pb.Kind_Log,
Name: msg, Name: msg,
Value: &pb.Entry_String_{String_: "error"}, Value: &pb.Entry_String_{String_: "error"},
}) })
} }
func (o Client) emit(entry *pb.Entry) { func (o Client) emit(entries ...*pb.Entry) {
now := pb.TimestampPB(o.now())
for _, entry := range entries {
// todo: check if log level is enabled
entry.Timestamp = now
for _, tag := range o.tags { for _, tag := range o.tags {
if tagpb := tag.AsTagPB(); tagpb != nil { if tagpb := tag.AsTagPB(); tagpb != nil {
entry.Tags = append(entry.Tags, tagpb) entry.Tags = append(entry.Tags, tagpb)
} }
} }
// todo: send to sinks _ = marshaler.Marshal(sink, entry)
_ = sink.WriteByte('\n')
}
_ = sink.Flush()
} }
// max returns the largest number in a series. // max returns the largest number in a series.
@ -182,11 +228,3 @@ func caller(skip int) (name string, line int) {
return runtime.FuncForPC(pctr).Name(), line return runtime.FuncForPC(pctr).Name(), line
} }
// infer attempts to determine the calling package and function using runtime information.
func infer(name string, line int) (pkg, fn string, l int) {
lastSlash := max(0, strings.LastIndexByte(name, '/'))
lastDot := lastSlash + strings.LastIndexByte(name[lastSlash:], '.')
return name[:lastDot], name[lastDot+1:], line
}

3
cmd/okit-sink/README.md
View File

@ -1,3 +0,0 @@
# okit-sink
`okit-sink` is a server process that can receive okit packets directly and pass them off to a storage/indexing solution.

5
cmd/okit-sink/main.go
View File

@ -1,5 +0,0 @@
package main
func main() {
// TODO
}

663
cmd/okit/LICENSE Normal file
View File

@ -0,0 +1,663 @@
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.
The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community. It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server. Therefore, public use of a modified version, on
a publicly accessible server, gives the public access to the source
code of the modified version.
An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals. This is
a different license, not a version of the Affero GPL, but Affero has
released a new version of the Affero GPL which permits relicensing under
this license.
The precise terms and conditions for copying, distribution and
modification follow.
TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU Affero General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
"recipients" may be individuals or organizations.
To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
exact copy. The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based
on the Program.
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
To "convey" a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user through
a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays "Appropriate Legal Notices"
to the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
1. Source Code.
The "source code" for a work means the preferred form of the work
for making modifications to it. "Object code" means any non-source
form of a work.
A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
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is widely used among developers working in that language.
The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
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"Major Component", in this context, means a major essential component
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produce the work, or an object code interpreter used to run it.
The "Corresponding Source" for a work in object code form means all
the source code needed to generate, install, and (for an executable
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which are not part of the work. For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those
subprograms and other parts of the work.
The Corresponding Source need not include anything that users
can regenerate automatically from other parts of the Corresponding
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The Corresponding Source for a work in source code form is that
same work.
2. Basic Permissions.
All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output from running a
covered work is covered by this License only if the output, given its
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rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not
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When you convey a covered work, you waive any legal power to forbid
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You may convey verbatim copies of the Program's source code as you
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You may convey a covered work in object code form under the terms
of sections 4 and 5, provided that you also convey the
machine-readable Corresponding Source under the terms of this License,
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(including a physical distribution medium), accompanied by the
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long as you offer spare parts or customer support for that product
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copy of the Corresponding Source for all the software in the
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medium customarily used for software interchange, for a price no
more than your reasonable cost of physically performing this
conveying of source, or (2) access to copy the
Corresponding Source from a network server at no charge.
c) Convey individual copies of the object code with a copy of the
written offer to provide the Corresponding Source. This
alternative is allowed only occasionally and noncommercially, and
only if you received the object code with such an offer, in accord
with subsection 6b.
d) Convey the object code by offering access from a designated
place (gratis or for a charge), and offer equivalent access to the
Corresponding Source in the same way through the same place at no
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Corresponding Source along with the object code. If the place to
copy the object code is a network server, the Corresponding Source
may be on a different server (operated by you or a third party)
that supports equivalent copying facilities, provided you maintain
clear directions next to the object code saying where to find the
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Corresponding Source, you remain obligated to ensure that it is
available for as long as needed to satisfy these requirements.
e) Convey the object code using peer-to-peer transmission, provided
you inform other peers where the object code and Corresponding
Source of the work are being offered to the general public at no
charge under subsection 6d.
A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.
A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal, family,
or household purposes, or (2) anything designed or sold for incorporation
into a dwelling. In determining whether a product is a consumer product,
doubtful cases shall be resolved in favor of coverage. For a particular
product received by a particular user, "normally used" refers to a
typical or common use of that class of product, regardless of the status
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actually uses, or expects or is expected to use, the product. A product
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commercial, industrial or non-consumer uses, unless such uses represent
the only significant mode of use of the product.
"Installation Information" for a User Product means any methods,
procedures, authorization keys, or other information required to install
and execute modified versions of a covered work in that User Product from
a modified version of its Corresponding Source. The information must
suffice to ensure that the continued functioning of the modified object
code is in no case prevented or interfered with solely because
modification has been made.
If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information. But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).
The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or updates
for a work that has been modified or installed by the recipient, or for
the User Product in which it has been modified or installed. Access to a
network may be denied when the modification itself materially and
adversely affects the operation of the network or violates the rules and
protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.
7. Additional Terms.
"Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders of
that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the
terms of sections 15 and 16 of this License; or
b) Requiring preservation of specified reasonable legal notices or
author attributions in that material or in the Appropriate Legal
Notices displayed by works containing it; or
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it) with contractual assumptions of liability to the recipient, for
any liability that these contractual assumptions directly impose on
those licensors and authors.
All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
provisionally, unless and until the copyright holder explicitly and
finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Remote Network Interaction; Use with the GNU General Public License.
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software. This Corresponding Source
shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) {{ year }} {{ organization }}
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.

3
cmd/okit/README.md Normal file
View File

@ -0,0 +1,3 @@
# okit
`okit` is a server process for receiving data.

3
cmd/okit/go.mod Normal file
View File

@ -0,0 +1,3 @@
module github.com/mjpitz/okit/cmd/okit-sink
go 1.19

15
cmd/okit/legal/header.txt Normal file
View File

@ -0,0 +1,15 @@
Copyright (C) 2022 The OKit Authors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.

27
pb/doc.go → cmd/okit/main.go
View File

@ -1,4 +1,4 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by // it under the terms of the GNU Affero General Public License as published by
@ -14,6 +14,27 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. // along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
package pb package main
//go:generate protoc --go_out=paths=source_relative:. -I=. obkit.proto import (
"flag"
)
type Config struct {
Public struct {
BindAddress *string
AdvertiseAddress *string
}
Args []string
}
func main() {
cfg := Config{}
cfg.Public.BindAddress = flag.String("public-bind-address", "", "")
cfg.Public.AdvertiseAddress = flag.String("public-advertise-address", "", "")
flag.Parse()
cfg.Args = flag.Args()
}

663
cmd/okitd/LICENSE Normal file
View File

@ -0,0 +1,663 @@
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.
The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community. It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server. Therefore, public use of a modified version, on
a publicly accessible server, gives the public access to the source
code of the modified version.
An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals. This is
a different license, not a version of the Affero GPL, but Affero has
released a new version of the Affero GPL which permits relicensing under
this license.
The precise terms and conditions for copying, distribution and
modification follow.
TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU Affero General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
"recipients" may be individuals or organizations.
To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
exact copy. The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based
on the Program.
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
To "convey" a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user through
a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays "Appropriate Legal Notices"
to the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
1. Source Code.
The "source code" for a work means the preferred form of the work
for making modifications to it. "Object code" means any non-source
form of a work.
A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
interfaces specified for a particular programming language, one that
is widely used among developers working in that language.
The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for which an
implementation is available to the public in source code form. A
"Major Component", in this context, means a major essential component
(kernel, window system, and so on) of the specific operating system
(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.
The "Corresponding Source" for a work in object code form means all
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received it, or any part of it, contains a notice stating that it is
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your receipt of the notice.
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licenses of parties who have received copies or rights from you under
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reinstated, you do not qualify to receive new licenses for the same
material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
run a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
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covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
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An "entity transaction" is a transaction transferring control of an
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the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
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Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
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In the following three paragraphs, a "patent license" is any express
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(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
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then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
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consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License. You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Remote Network Interaction; Use with the GNU General Public License.
Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software. This Corresponding Source
shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) {{ year }} {{ organization }}
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.

3
cmd/okitd/go.mod Normal file
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@ -0,0 +1,3 @@
module github.com/mjpitz/okit/cmd/okitd
go 1.19

15
cmd/okitd/legal/header.txt Normal file
View File

@ -0,0 +1,15 @@
Copyright (C) 2022 The OKit Authors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.

39
cmd/okitd/main.go
View File

@ -1,5 +1,40 @@
// Copyright (C) 2022 The OKit Authors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
package main package main
func main() { import (
// TODO "flag"
)
type Config struct {
Public struct {
BindAddress *string
AdvertiseAddress *string
}
Args []string
}
func main() {
cfg := Config{}
cfg.Public.BindAddress = flag.String("public-bind-address", "", "")
cfg.Public.AdvertiseAddress = flag.String("public-advertise-address", "", "")
flag.Parse()
cfg.Args = flag.Args()
} }

17
doc.go
View File

@ -1,17 +0,0 @@
// Copyright (C) 2022 Mya Pitzeruse
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
package okit

48
examples/http/main.go Normal file
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@ -0,0 +1,48 @@
// Copyright (C) 2022 The OKit Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package main
import (
"net/http"
okithttp "go.pitz.tech/okit/http"
)
func main() {
// Instrument HTTP Clients
okithttp.InstrumentClient(http.DefaultClient)
mux := http.NewServeMux()
{ // Add reporting endpoints
endpoint := okithttp.NewEndpoint()
mux.HandleFunc("/health", endpoint.Health)
mux.HandleFunc("/metrics", endpoint.Metrics)
mux.HandleFunc("/trace", endpoint.Trace)
}
// Instrument HTTP Handlers
handler := okithttp.InstrumentHandler(mux)
err := http.ListenAndServe("0.0.0.0:8080", handler)
if err != nil {
panic(err)
}
}

67
examples/overview/main.go
View File

@ -1,62 +1,51 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package main package main
import ( import (
"context" "context"
"os/signal"
"syscall"
"time"
"go.pitz.tech/okit" "go.pitz.tech/okit"
) )
func main() {
var tags []okit.Tag var tags []okit.Tag
func do(ctx context.Context) {
ctx, done := okit.With(tags...).Trace(ctx)
defer done()
// DO WORK!
select {
case <-ctx.Done():
case <-time.After(time.Second):
}
}
func main() {
ctx, shutdown := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer shutdown()
// Metric emission // Metric emission
okit.Observe("", 0, tags...) okit.Observe("temperature_c", 20.9, tags...)
okit.Observe("temperature_c", -20.9, tags...)
okit.Observe("incrementing", 1, tags...)
okit.Observe("decrementing", -1, tags...)
// Multi-dimensional events // Multi-dimensional events
okit.Emit("", tags...) okit.Emit("user_signup", tags...)
// Tracing // Tracing
ctx, done := okit.Trace(context.Background()) ctx, done := okit.Trace(context.Background(), tags...)
defer done() defer done()
_ = ctx.Err() // not needed, removes unused error
// Logging // Logging
okit.Debug("", tags...) okit.Debug("a message used for debugging", tags...)
okit.Info("", tags...) okit.Info("an informational message for the user", tags...)
okit.Warn("", tags...) okit.Warn("a warning indicating an issue with the system", tags...)
okit.Error("", tags...) okit.Error("the system encountered an error", tags...)
do(ctx)
} }

7
go.work Normal file
View File

@ -0,0 +1,7 @@
go 1.19
use (
.
cmd/okit
cmd/okitd
)

47
http/endpoint.go Normal file
View File

@ -0,0 +1,47 @@
// Copyright (C) 2022 The OKit Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package http
import (
"net/http"
"strings"
"time"
)
func NewEndpoint() *Endpoint {
return &Endpoint{}
}
type Endpoint struct{}
func (e *Endpoint) Health(w http.ResponseWriter, r *http.Request) {
http.ServeContent(w, r, "", time.Now(), strings.NewReader(`{"status":"ok"}`))
}
func (e *Endpoint) Metrics(w http.ResponseWriter, r *http.Request) {
// Render metrics endpoint
// Unlike prometheus metrics are pushed, not scraped. So there's no need for complicated protocol here.
}
func (e *Endpoint) Trace(w http.ResponseWriter, r *http.Request) {
// Lookup Trace by TraceID
// Render a flamegraph for a given trace ID
}

121
http/instrumentation.go Normal file
View File

@ -0,0 +1,121 @@
// Copyright (C) 2022 The OKit Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package http
import (
"net/http"
"go.pitz.tech/okit"
)
// InstrumentClient updates the provided http.Client to use an instrumented http.RoundTripper. If the provided
// client.Transport is nil, then http.DefaultTransport is used.
func InstrumentClient(client *http.Client) {
if client.Transport == nil {
client.Transport = http.DefaultTransport
}
client.Transport = InstrumentRoundTripper(client.Transport)
}
// InstrumentRoundTripper wraps the provided http.RoundTripper with an implementation that traces the remote request.
func InstrumentRoundTripper(rt http.RoundTripper) http.RoundTripper {
return &roundTripper{rt}
}
type roundTripper struct {
delegate http.RoundTripper
}
func (r *roundTripper) RoundTrip(req *http.Request) (resp *http.Response, err error) {
statusCode := 0
ctx, done := okit.Trace(req.Context(),
okit.String("host", req.URL.Host),
okit.String("method", req.Method),
okit.String("path", req.URL.Path),
okit.Intp("status", &statusCode),
okit.Errp(&err),
)
defer done()
resp, err = r.delegate.RoundTrip(req.WithContext(ctx))
if err != nil {
return nil, err
}
statusCode = resp.StatusCode
return resp, nil
}
var _ http.RoundTripper = &roundTripper{}
// InstrumentHandler wraps the provided http.Handler with an implementation that traces HTTP requests and attaches
// relevant tags to the underlying span. Using the ctx, we can resolve the last span.
func InstrumentHandler(delegate http.Handler) http.Handler {
return &handler{delegate}
}
type handler struct {
delegate http.Handler
}
func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
statusCode := 200
ctx, done := okit.Trace(r.Context(),
okit.String("host", r.URL.Host),
okit.String("method", r.Method),
okit.String("path", r.URL.Path),
okit.Intp("status", &statusCode),
)
defer done()
h.delegate.ServeHTTP(
&response{
delegate: w,
statusCode: &statusCode,
},
r.WithContext(ctx),
)
}
var _ http.Handler = &handler{}
type response struct {
delegate http.ResponseWriter
statusCode *int
}
func (r *response) Header() http.Header {
return r.delegate.Header()
}
func (r *response) Write(bytes []byte) (int, error) {
return r.delegate.Write(bytes)
}
func (r *response) WriteHeader(statusCode int) {
*(r.statusCode) = statusCode
r.delegate.WriteHeader(statusCode)
}
var _ http.ResponseWriter = &response{}

28
legal/header.txt
View File

@ -1,15 +1,19 @@
Copyright (C) 2022 Mya Pitzeruse Copyright (C) 2022 The OKit Authors
This program is free software: you can redistribute it and/or modify Permission is hereby granted, free of charge, to any person obtaining a copy
it under the terms of the GNU Affero General Public License as published by of this software and associated documentation files (the "Software"), to deal
the Free Software Foundation, either version 3 of the License, or in the Software without restriction, including without limitation the rights
(at your option) any later version. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
This program is distributed in the hope that it will be useful, The above copyright notice and this permission notice shall be included in all
but WITHOUT ANY WARRANTY; without even the implied warranty of copies or substantial portions of the Software.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
OR OTHER DEALINGS IN THE SOFTWARE.

41
pb/obkit.pb.go
View File

@ -1,18 +1,22 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
// Code generated by protoc-gen-go. DO NOT EDIT. // Code generated by protoc-gen-go. DO NOT EDIT.
// versions: // versions:
@ -506,8 +510,11 @@ type ClientInfo struct {
sizeCache protoimpl.SizeCache sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields unknownFields protoimpl.UnknownFields
// Name is the canonical, simple name of the application (redis, mysql, etc...).
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Hostname string `protobuf:"bytes,2,opt,name=hostname,proto3" json:"hostname,omitempty"` // Instance is a unique identifier assigned to the process. This can be a hostname in the case of containers. It could
// also be a mac address in the case of physical machines.
Instance string `protobuf:"bytes,2,opt,name=instance,proto3" json:"instance,omitempty"`
} }
func (x *ClientInfo) Reset() { func (x *ClientInfo) Reset() {
@ -549,9 +556,9 @@ func (x *ClientInfo) GetName() string {
return "" return ""
} }
func (x *ClientInfo) GetHostname() string { func (x *ClientInfo) GetInstance() string {
if x != nil { if x != nil {
return x.Hostname return x.Instance
} }
return "" return ""
} }
@ -658,8 +665,8 @@ var file_obkit_proto_rawDesc = []byte{
0x69, 0x6f, 0x6e, 0x42, 0x07, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x3c, 0x0a, 0x0a, 0x69, 0x6f, 0x6e, 0x42, 0x07, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x3c, 0x0a, 0x0a,
0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61,
0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1a, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1a,
0x0a, 0x08, 0x68, 0x6f, 0x73, 0x74, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x0a, 0x08, 0x69, 0x6e, 0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
0x52, 0x08, 0x68, 0x6f, 0x73, 0x74, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x5b, 0x0a, 0x06, 0x50, 0x61, 0x52, 0x08, 0x69, 0x6e, 0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x22, 0x5b, 0x0a, 0x06, 0x50, 0x61,
0x63, 0x6b, 0x65, 0x74, 0x12, 0x29, 0x0a, 0x06, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x18, 0x01, 0x63, 0x6b, 0x65, 0x74, 0x12, 0x29, 0x0a, 0x06, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x18, 0x01,
0x20, 0x01, 0x28, 0x0b, 0x32, 0x11, 0x2e, 0x6f, 0x62, 0x6b, 0x69, 0x74, 0x2e, 0x43, 0x6c, 0x69, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x11, 0x2e, 0x6f, 0x62, 0x6b, 0x69, 0x74, 0x2e, 0x43, 0x6c, 0x69,
0x65, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x52, 0x06, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x12, 0x65, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x52, 0x06, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x12,

30
pb/obkit.pbext.go
View File

@ -1,18 +1,22 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package pb package pb
@ -20,6 +24,8 @@ import (
"time" "time"
) )
//go:generate protoc --go_out=paths=source_relative:. -I=. obkit.proto
func (x *Duration) AsDuration() time.Duration { func (x *Duration) AsDuration() time.Duration {
return time.Duration(x.Nanos) return time.Duration(x.Nanos)
} }

34
pb/obkit.proto
View File

@ -1,18 +1,22 @@
// Copyright (C) 2022 Mya Pitzeruse // Copyright (C) 2022 The OKit Authors
// //
// This program is free software: you can redistribute it and/or modify // Permission is hereby granted, free of charge, to any person obtaining a copy
// it under the terms of the GNU Affero General Public License as published by // of this software and associated documentation files (the "Software"), to deal
// the Free Software Foundation, either version 3 of the License, or // in the Software without restriction, including without limitation the rights
// (at your option) any later version. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// //
// This program is distributed in the hope that it will be useful, // The above copyright notice and this permission notice shall be included in all
// but WITHOUT ANY WARRANTY; without even the implied warranty of // copies or substantial portions of the Software.
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
syntax = "proto3"; syntax = "proto3";
@ -86,8 +90,12 @@ message Entry {
// ClientInfo is used to capture specific information about the client application that is emitting information. // ClientInfo is used to capture specific information about the client application that is emitting information.
message ClientInfo { message ClientInfo {
// Name is the canonical, simple name of the application (redis, mysql, etc...).
string name = 1; string name = 1;
string hostname = 2;
// Instance is a unique identifier assigned to the process. This can be a hostname in the case of containers. It could
// also be a mac address in the case of physical machines.
string instance = 2;
} }
// Packet defines the set of data that is contained within each message sent to the server. // Packet defines the set of data that is contained within each message sent to the server.

27
tags.ext.go Normal file
View File

@ -0,0 +1,27 @@
// Copyright (C) 2022 The OKit Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package okit
// Err returns a Tag whose value is read after submission.
func Err(err error) Tag { return Tag{"err", err} }
// Errp returns a Tag whose value is read after submission.
func Errp(err *error) Tag { return Tag{"err", err} }

136
tags.go
View File

@ -1,19 +1,4 @@
// Copyright (C) 2022 Mya Pitzeruse // Code generated by tools/gen-tags. DO NOT EDIT.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
package okit package okit
import ( import (
@ -29,107 +14,146 @@ type Tag struct {
value interface{} value interface{}
} }
// AsTagPB converts the tag to the proto tag for transport and reporting. // AsTagPB converts the Tag to a pb.Tag for transport and storage. If the value associated with the Tag is nil, then no
// tag is returned and the key is filtered from the list.
func (t Tag) AsTagPB() *pb.Tag { func (t Tag) AsTagPB() *pb.Tag {
if t.value == nil { if t.value == nil {
return nil return nil
} }
switch v := t.value.(type) { switch v := t.value.(type) {
// values
case string: case string:
return &pb.Tag{Key: t.key, Value: &pb.Tag_String_{ String_: v }} return &pb.Tag{Key: t.key, Value: &pb.Tag_String_{ String_: v }}
case int:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{Int64: int64(v)}}
case int8:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{Int64: int64(v)}}
case int16:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{Int64: int64(v)}}
case int32:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{Int64: int64(v)}}
case int64:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{Int64: v}}
case float32:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{Double: float64(v)}}
case float64:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{Double: v}}
case []byte:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Bytes{Bytes: v}}
case bool:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Bool{Bool: v}}
case time.Duration:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Duration{Duration: pb.DurationPB(v)}}
case time.Time:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Timestamp{Timestamp: pb.TimestampPB(v)}}
// pointers
case *string: case *string:
return &pb.Tag{Key: t.key, Value: &pb.Tag_String_{ String_: *v }} return &pb.Tag{Key: t.key, Value: &pb.Tag_String_{ String_: *v }}
case int:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(v) }}
case *int: case *int:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }}
case int8:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(v) }}
case *int8: case *int8:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }}
case int16:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(v) }}
case *int16: case *int16:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }}
case int32:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(v) }}
case *int32: case *int32:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }}
case int64:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(v) }}
case *int64: case *int64:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{Int64: *v}} return &pb.Tag{Key: t.key, Value: &pb.Tag_Int64{ Int64: int64(*v) }}
case float32:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{ Double: float64(v) }}
case *float32: case *float32:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{ Double: float64(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{ Double: float64(*v) }}
case float64:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{ Double: float64(v) }}
case *float64: case *float64:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{Double: *v}} return &pb.Tag{Key: t.key, Value: &pb.Tag_Double{ Double: float64(*v) }}
case []byte:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Bytes{ Bytes: v }}
case *[]byte: case *[]byte:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Bytes{ Bytes: *v }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Bytes{ Bytes: *v }}
case bool:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Bool{ Bool: v }}
case *bool: case *bool:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Bool{ Bool: *v }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Bool{ Bool: *v }}
case time.Duration:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Duration{ Duration: pb.DurationPB(v) }}
case *time.Duration: case *time.Duration:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Duration{ Duration: pb.DurationPB(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Duration{ Duration: pb.DurationPB(*v) }}
case time.Time:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Timestamp{ Timestamp: pb.TimestampPB(v) }}
case *time.Time: case *time.Time:
return &pb.Tag{Key: t.key, Value: &pb.Tag_Timestamp{ Timestamp: pb.TimestampPB(*v) }} return &pb.Tag{Key: t.key, Value: &pb.Tag_Timestamp{ Timestamp: pb.TimestampPB(*v) }}
case error:
return &pb.Tag{Key: t.key, Value: &pb.Tag_String_{ String_: v.Error() }}
case *error:
return &pb.Tag{Key: t.key, Value: &pb.Tag_String_{ String_: (*v).Error() }}
} }
return nil return nil
} }
func String(key, value string) Tag { return Tag{key, value} } // String returns a Tag whose value is read after submission.
func String(key string, value string) Tag { return Tag{key, value} }
// Stringp returns a Tag whose value is read after submission.
func Stringp(key string, value *string) Tag { return Tag{key, value} } func Stringp(key string, value *string) Tag { return Tag{key, value} }
// Int returns a Tag whose value is read after submission.
func Int(key string, value int) Tag { return Tag{key, value} } func Int(key string, value int) Tag { return Tag{key, value} }
// Intp returns a Tag whose value is read after submission.
func Intp(key string, value *int) Tag { return Tag{key, value} } func Intp(key string, value *int) Tag { return Tag{key, value} }
// Int8 returns a Tag whose value is read after submission.
func Int8(key string, value int8) Tag { return Tag{key, value} } func Int8(key string, value int8) Tag { return Tag{key, value} }
// Int8p returns a Tag whose value is read after submission.
func Int8p(key string, value *int8) Tag { return Tag{key, value} } func Int8p(key string, value *int8) Tag { return Tag{key, value} }
// Int16 returns a Tag whose value is read after submission.
func Int16(key string, value int16) Tag { return Tag{key, value} } func Int16(key string, value int16) Tag { return Tag{key, value} }
// Int16p returns a Tag whose value is read after submission.
func Int16p(key string, value *int16) Tag { return Tag{key, value} } func Int16p(key string, value *int16) Tag { return Tag{key, value} }
// Int32 returns a Tag whose value is read after submission.
func Int32(key string, value int32) Tag { return Tag{key, value} } func Int32(key string, value int32) Tag { return Tag{key, value} }
// Int32p returns a Tag whose value is read after submission.
func Int32p(key string, value *int32) Tag { return Tag{key, value} } func Int32p(key string, value *int32) Tag { return Tag{key, value} }
// Int64 returns a Tag whose value is read after submission.
func Int64(key string, value int64) Tag { return Tag{key, value} } func Int64(key string, value int64) Tag { return Tag{key, value} }
// Int64p returns a Tag whose value is read after submission.
func Int64p(key string, value *int64) Tag { return Tag{key, value} } func Int64p(key string, value *int64) Tag { return Tag{key, value} }
func Uint(key string, value uint) Tag { return Tag{key, value} } // Float32 returns a Tag whose value is read after submission.
func Uintp(key string, value *uint) Tag { return Tag{key, value} }
func Uint8(key string, value uint8) Tag { return Tag{key, value} }
func Uint8p(key string, value *uint8) Tag { return Tag{key, value} }
func Uint16(key string, value uint16) Tag { return Tag{key, value} }
func Uint16p(key string, value *uint16) Tag { return Tag{key, value} }
func Uint32(key string, value uint32) Tag { return Tag{key, value} }
func Uint32p(key string, value *uint32) Tag { return Tag{key, value} }
func Uint64(key string, value uint64) Tag { return Tag{key, value} }
func Uint64p(key string, value *uint64) Tag { return Tag{key, value} }
func Float32(key string, value float32) Tag { return Tag{key, value} } func Float32(key string, value float32) Tag { return Tag{key, value} }
// Float32p returns a Tag whose value is read after submission.
func Float32p(key string, value *float32) Tag { return Tag{key, value} } func Float32p(key string, value *float32) Tag { return Tag{key, value} }
// Float64 returns a Tag whose value is read after submission.
func Float64(key string, value float64) Tag { return Tag{key, value} } func Float64(key string, value float64) Tag { return Tag{key, value} }
// Float64p returns a Tag whose value is read after submission.
func Float64p(key string, value *float64) Tag { return Tag{key, value} } func Float64p(key string, value *float64) Tag { return Tag{key, value} }
// Bytes returns a Tag whose value is read after submission.
func Bytes(key string, value []byte) Tag { return Tag{key, value} } func Bytes(key string, value []byte) Tag { return Tag{key, value} }
// Bytesp returns a Tag whose value is read after submission.
func Bytesp(key string, value *[]byte) Tag { return Tag{key, value} } func Bytesp(key string, value *[]byte) Tag { return Tag{key, value} }
// Bool returns a Tag whose value is read after submission.
func Bool(key string, value bool) Tag { return Tag{key, value} } func Bool(key string, value bool) Tag { return Tag{key, value} }
// Boolp returns a Tag whose value is read after submission.
func Boolp(key string, value *bool) Tag { return Tag{key, value} } func Boolp(key string, value *bool) Tag { return Tag{key, value} }
// Duration returns a Tag whose value is read after submission.
func Duration(key string, value time.Duration) Tag { return Tag{key, value} } func Duration(key string, value time.Duration) Tag { return Tag{key, value} }
// Durationp returns a Tag whose value is read after submission.
func Durationp(key string, value *time.Duration) Tag { return Tag{key, value} } func Durationp(key string, value *time.Duration) Tag { return Tag{key, value} }
// Timestamp returns a Tag whose value is read after submission.
func Timestamp(key string, value time.Time) Tag { return Tag{key, value} } func Timestamp(key string, value time.Time) Tag { return Tag{key, value} }
// Timestampp returns a Tag whose value is read after submission.
func Timestampp(key string, value *time.Time) Tag { return Tag{key, value} } func Timestampp(key string, value *time.Time) Tag { return Tag{key, value} }
// NamedErr returns a Tag whose value is read after submission.
func NamedErr(key string, value error) Tag { return Tag{key, value} }
// NamedErrp returns a Tag whose value is read after submission.
func NamedErrp(key string, value *error) Tag { return Tag{key, value} }

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// Copyright (C) 2022 The OKit Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
package main
import (
"flag"
"io"
"os"
"text/template"
)
var format = `// Code generated by tools/gen-tags. DO NOT EDIT.
package {{ .Package }}
import (
"time"
"go.pitz.tech/okit/pb"
)
// Tag defines a generic data holder that allows values to be passed around during observation. Both raw values and
// pointers can be used, allowing data to be lazily read and pulled during emission.
type Tag struct {
key string
value interface{}
}
// AsTagPB converts the Tag to a pb.Tag for transport and storage. If the value associated with the Tag is nil, then no
// tag is returned and the key is filtered from the list.
func (t Tag) AsTagPB() *pb.Tag {
if t.value == nil {
return nil
}
switch v := t.value.(type) {
{{ range .Kinds -}}
case {{ .ValueKind }}:
return &pb.Tag{Key: t.key, Value: &pb.Tag_{{ .TagKind }}{ {{ .TagKind }}: {{ .Value }} }}
{{ end -}}
}
return nil
}
{{ range .Kinds -}}
// {{ .Function }} returns a Tag whose value is read after submission.
func {{ .Function }}(key string, value {{ .ValueKind }}) Tag { return Tag{key, value} }
{{ end -}}
`
type Kind struct {
Function string
ValueKind string
TagKind string
Value string
}
type Config struct {
Package string
Kinds []Kind
}
func main() {
out := flag.String("out", "", "")
flag.Parse()
var writer io.Writer = os.Stdout
if out != nil && *out != "" {
file, err := os.Create(*out)
if err != nil {
panic(err)
}
defer file.Close()
writer = file
}
err := template.Must(template.New("format").Parse(format)).Execute(
writer,
Config{
Package: "okit",
Kinds: []Kind{
{"String", "string", "String_", "v"},
{"Stringp", "*string", "String_", "*v"},
{"Int", "int", "Int64", "int64(v)"},
{"Intp", "*int", "Int64", "int64(*v)"},
{"Int8", "int8", "Int64", "int64(v)"},
{"Int8p", "*int8", "Int64", "int64(*v)"},
{"Int16", "int16", "Int64", "int64(v)"},
{"Int16p", "*int16", "Int64", "int64(*v)"},
{"Int32", "int32", "Int64", "int64(v)"},
{"Int32p", "*int32", "Int64", "int64(*v)"},
{"Int64", "int64", "Int64", "int64(v)"},
{"Int64p", "*int64", "Int64", "int64(*v)"},
{"Float32", "float32", "Double", "float64(v)"},
{"Float32p", "*float32", "Double", "float64(*v)"},
{"Float64", "float64", "Double", "float64(v)"},
{"Float64p", "*float64", "Double", "float64(*v)"},
{"Bytes", "[]byte", "Bytes", "v"},
{"Bytesp", "*[]byte", "Bytes", "*v"},
{"Bool", "bool", "Bool", "v"},
{"Boolp", "*bool", "Bool", "*v"},
{"Duration", "time.Duration", "Duration", "pb.DurationPB(v)"},
{"Durationp", "*time.Duration", "Duration", "pb.DurationPB(*v)"},
{"Timestamp", "time.Time", "Timestamp", "pb.TimestampPB(v)"},
{"Timestampp", "*time.Time", "Timestamp", "pb.TimestampPB(*v)"},
{"NamedErr", "error", "String_", "v.Error()"},
{"NamedErrp", "*error", "String_", "(*v).Error()"},
},
},
)
if err != nil {
panic(err)
}
}