Refactor. Add Swagger UI docs.

Change from Gorilla mux to net/http
This commit is contained in:
Jan Eitzinger 2024-06-25 20:08:25 +02:00
parent 7538570bc5
commit 826658f762
Signed by: moebiusband
GPG Key ID: 2574BA29B90D6DD5
13 changed files with 1639 additions and 172 deletions

View File

@ -4,7 +4,7 @@ GIT_HASH := $(shell git rev-parse --short HEAD || echo 'development')
CURRENT_TIME = $(shell date +"%Y-%m-%d:T%H:%M:%S")
LD_FLAGS = '-s -X main.date=${CURRENT_TIME} -X main.version=${VERSION} -X main.commit=${GIT_HASH}'
.PHONY: clean test tags $(TARGET)
.PHONY: clean test tags swagger $(TARGET)
.NOTPARALLEL:
@ -12,6 +12,11 @@ $(TARGET):
$(info ===> BUILD cc-metric-store)
@go build -ldflags=${LD_FLAGS} ./cmd/cc-metric-store
swagger:
$(info ===> GENERATE swagger)
@go run github.com/swaggo/swag/cmd/swag init -d ./internal/api,./internal/util -g api.go -o ./api
@mv ./api/docs.go ./internal/api/docs.go
clean:
$(info ===> CLEAN)
@go clean

392
api/swagger.json Normal file
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@ -0,0 +1,392 @@
{
"swagger": "2.0",
"info": {
"description": "API for cc-metric-store",
"title": "cc-metric-store REST API",
"contact": {
"name": "ClusterCockpit Project",
"url": "https://clustercockpit.org",
"email": "support@clustercockpit.org"
},
"license": {
"name": "MIT License",
"url": "https://opensource.org/licenses/MIT"
},
"version": "1.0.0"
},
"host": "localhost:8082",
"basePath": "/api/",
"paths": {
"/clusters/": {
"get": {
"security": [
{
"ApiKeyAuth": []
}
],
"produces": [
"application/json"
],
"tags": [
"free"
],
"parameters": [
{
"type": "string",
"description": "up to timestamp",
"name": "to",
"in": "query"
}
],
"responses": {
"200": {
"description": "ok",
"schema": {
"type": "string"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
},
"/debug/": {
"post": {
"security": [
{
"ApiKeyAuth": []
}
],
"description": "Write metrics to store",
"produces": [
"application/json"
],
"tags": [
"write"
],
"summary": "Debug endpoint",
"parameters": [
{
"type": "string",
"description": "Job Cluster",
"name": "selector",
"in": "query"
}
],
"responses": {
"200": {
"description": "Debug dump",
"schema": {
"type": "string"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
},
"/query/": {
"get": {
"security": [
{
"ApiKeyAuth": []
}
],
"description": "Query metrics.",
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"tags": [
"query"
],
"summary": "Query metrics",
"parameters": [
{
"description": "API query payload object",
"name": "request",
"in": "body",
"required": true,
"schema": {
"$ref": "#/definitions/api.ApiQueryRequest"
}
}
],
"responses": {
"200": {
"description": "API query response object",
"schema": {
"$ref": "#/definitions/api.ApiQueryResponse"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
},
"/write/": {
"post": {
"security": [
{
"ApiKeyAuth": []
}
],
"consumes": [
"text/plain"
],
"produces": [
"application/json"
],
"parameters": [
{
"type": "string",
"description": "If the lines in the body do not have a cluster tag, use this value instead.",
"name": "cluster",
"in": "query"
}
],
"responses": {
"200": {
"description": "ok",
"schema": {
"type": "string"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
}
},
"definitions": {
"api.ApiMetricData": {
"type": "object",
"properties": {
"avg": {
"type": "number"
},
"data": {
"type": "array",
"items": {
"type": "number"
}
},
"error": {
"type": "string"
},
"from": {
"type": "integer"
},
"max": {
"type": "number"
},
"min": {
"type": "number"
},
"to": {
"type": "integer"
}
}
},
"api.ApiQuery": {
"type": "object",
"properties": {
"aggreg": {
"type": "boolean"
},
"host": {
"type": "string"
},
"metric": {
"type": "string"
},
"scale-by": {
"type": "number"
},
"subtype": {
"type": "string"
},
"subtype-ids": {
"type": "array",
"items": {
"type": "string"
}
},
"type": {
"type": "string"
},
"type-ids": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"api.ApiQueryRequest": {
"type": "object",
"properties": {
"cluster": {
"type": "string"
},
"for-all-nodes": {
"type": "array",
"items": {
"type": "string"
}
},
"from": {
"type": "integer"
},
"queries": {
"type": "array",
"items": {
"$ref": "#/definitions/api.ApiQuery"
}
},
"to": {
"type": "integer"
},
"with-data": {
"type": "boolean"
},
"with-padding": {
"type": "boolean"
},
"with-stats": {
"type": "boolean"
}
}
},
"api.ApiQueryResponse": {
"type": "object",
"properties": {
"queries": {
"type": "array",
"items": {
"$ref": "#/definitions/api.ApiQuery"
}
},
"results": {
"type": "array",
"items": {
"type": "array",
"items": {
"$ref": "#/definitions/api.ApiMetricData"
}
}
}
}
},
"api.ErrorResponse": {
"type": "object",
"properties": {
"error": {
"description": "Error Message",
"type": "string"
},
"status": {
"description": "Statustext of Errorcode",
"type": "string"
}
}
}
},
"securityDefinitions": {
"ApiKeyAuth": {
"type": "apiKey",
"name": "X-Auth-Token",
"in": "header"
}
}
}

253
api/swagger.yaml Normal file
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@ -0,0 +1,253 @@
basePath: /api/
definitions:
api.ApiMetricData:
properties:
avg:
type: number
data:
items:
type: number
type: array
error:
type: string
from:
type: integer
max:
type: number
min:
type: number
to:
type: integer
type: object
api.ApiQuery:
properties:
aggreg:
type: boolean
host:
type: string
metric:
type: string
scale-by:
type: number
subtype:
type: string
subtype-ids:
items:
type: string
type: array
type:
type: string
type-ids:
items:
type: string
type: array
type: object
api.ApiQueryRequest:
properties:
cluster:
type: string
for-all-nodes:
items:
type: string
type: array
from:
type: integer
queries:
items:
$ref: '#/definitions/api.ApiQuery'
type: array
to:
type: integer
with-data:
type: boolean
with-padding:
type: boolean
with-stats:
type: boolean
type: object
api.ApiQueryResponse:
properties:
queries:
items:
$ref: '#/definitions/api.ApiQuery'
type: array
results:
items:
items:
$ref: '#/definitions/api.ApiMetricData'
type: array
type: array
type: object
api.ErrorResponse:
properties:
error:
description: Error Message
type: string
status:
description: Statustext of Errorcode
type: string
type: object
host: localhost:8082
info:
contact:
email: support@clustercockpit.org
name: ClusterCockpit Project
url: https://clustercockpit.org
description: API for cc-metric-store
license:
name: MIT License
url: https://opensource.org/licenses/MIT
title: cc-metric-store REST API
version: 1.0.0
paths:
/clusters/:
get:
parameters:
- description: up to timestamp
in: query
name: to
type: string
produces:
- application/json
responses:
"200":
description: ok
schema:
type: string
"400":
description: Bad Request
schema:
$ref: '#/definitions/api.ErrorResponse'
"401":
description: Unauthorized
schema:
$ref: '#/definitions/api.ErrorResponse'
"403":
description: Forbidden
schema:
$ref: '#/definitions/api.ErrorResponse'
"500":
description: Internal Server Error
schema:
$ref: '#/definitions/api.ErrorResponse'
security:
- ApiKeyAuth: []
tags:
- free
/debug/:
post:
description: Write metrics to store
parameters:
- description: Job Cluster
in: query
name: selector
type: string
produces:
- application/json
responses:
"200":
description: Debug dump
schema:
type: string
"400":
description: Bad Request
schema:
$ref: '#/definitions/api.ErrorResponse'
"401":
description: Unauthorized
schema:
$ref: '#/definitions/api.ErrorResponse'
"403":
description: Forbidden
schema:
$ref: '#/definitions/api.ErrorResponse'
"500":
description: Internal Server Error
schema:
$ref: '#/definitions/api.ErrorResponse'
security:
- ApiKeyAuth: []
summary: Debug endpoint
tags:
- write
/query/:
get:
consumes:
- application/json
description: Query metrics.
parameters:
- description: API query payload object
in: body
name: request
required: true
schema:
$ref: '#/definitions/api.ApiQueryRequest'
produces:
- application/json
responses:
"200":
description: API query response object
schema:
$ref: '#/definitions/api.ApiQueryResponse'
"400":
description: Bad Request
schema:
$ref: '#/definitions/api.ErrorResponse'
"401":
description: Unauthorized
schema:
$ref: '#/definitions/api.ErrorResponse'
"403":
description: Forbidden
schema:
$ref: '#/definitions/api.ErrorResponse'
"500":
description: Internal Server Error
schema:
$ref: '#/definitions/api.ErrorResponse'
security:
- ApiKeyAuth: []
summary: Query metrics
tags:
- query
/write/:
post:
consumes:
- text/plain
parameters:
- description: If the lines in the body do not have a cluster tag, use this
value instead.
in: query
name: cluster
type: string
produces:
- application/json
responses:
"200":
description: ok
schema:
type: string
"400":
description: Bad Request
schema:
$ref: '#/definitions/api.ErrorResponse'
"401":
description: Unauthorized
schema:
$ref: '#/definitions/api.ErrorResponse'
"403":
description: Forbidden
schema:
$ref: '#/definitions/api.ErrorResponse'
"500":
description: Internal Server Error
schema:
$ref: '#/definitions/api.ErrorResponse'
security:
- ApiKeyAuth: []
securityDefinitions:
ApiKeyAuth:
in: header
name: X-Auth-Token
type: apiKey
swagger: "2.0"

View File

@ -1,11 +1,17 @@
// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package main
import (
"bufio"
"context"
"crypto/tls"
"flag"
"fmt"
"log"
"net"
"net/http"
"os"
"os/signal"
"runtime"
@ -17,7 +23,9 @@ import (
"github.com/ClusterCockpit/cc-metric-store/internal/api"
"github.com/ClusterCockpit/cc-metric-store/internal/config"
"github.com/ClusterCockpit/cc-metric-store/internal/memorystore"
"github.com/ClusterCockpit/cc-metric-store/internal/runtimeEnv"
"github.com/google/gops/agent"
httpSwagger "github.com/swaggo/http-swagger"
)
var (
@ -28,9 +36,10 @@ var (
func main() {
var configFile string
var enableGopsAgent, flagVersion bool
var enableGopsAgent, flagVersion, flagDev bool
flag.StringVar(&configFile, "config", "./config.json", "configuration file")
flag.BoolVar(&enableGopsAgent, "gops", false, "Listen via github.com/google/gops/agent")
flag.BoolVar(&flagDev, "dev", false, "Enable development Swagger UI component")
flag.BoolVar(&flagVersion, "version", false, "Show version information and exit")
flag.Parse()
@ -81,35 +90,71 @@ func main() {
ctx, shutdown := context.WithCancel(context.Background())
var wg sync.WaitGroup
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM, syscall.SIGUSR1)
go func() {
for {
sig := <-sigs
if sig == syscall.SIGUSR1 {
ms.DebugDump(bufio.NewWriter(os.Stdout), nil)
continue
}
log.Println("Shutting down...")
shutdown()
}
}()
wg.Add(3)
memorystore.Retention(&wg, ctx)
memorystore.Checkpointing(&wg, ctx)
memorystore.Archiving(&wg, ctx)
wg.Add(1)
r := http.NewServeMux()
api.MountRoutes(r)
go func() {
err := api.StartApiServer(ctx, config.Keys.HttpConfig)
if err != nil {
log.Fatal(err)
if flagDev {
log.Print("Enable Swagger UI!")
r.HandleFunc("GET /swagger/", httpSwagger.Handler(
httpSwagger.URL("http://"+config.Keys.HttpConfig.Address+"/swagger/doc.json")))
}
wg.Done()
server := &http.Server{
Handler: r,
Addr: config.Keys.HttpConfig.Address,
WriteTimeout: 30 * time.Second,
ReadTimeout: 30 * time.Second,
}
// Start http or https server
listener, err := net.Listen("tcp", config.Keys.HttpConfig.Address)
if err != nil {
log.Fatalf("starting http listener failed: %v", err)
}
if config.Keys.HttpConfig.CertFile != "" && config.Keys.HttpConfig.KeyFile != "" {
cert, err := tls.LoadX509KeyPair(config.Keys.HttpConfig.CertFile, config.Keys.HttpConfig.KeyFile)
if err != nil {
log.Fatalf("loading X509 keypair failed: %v", err)
}
listener = tls.NewListener(listener, &tls.Config{
Certificates: []tls.Certificate{cert},
CipherSuites: []uint16{
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
},
MinVersion: tls.VersionTLS12,
PreferServerCipherSuites: true,
})
fmt.Printf("HTTPS server listening at %s...", config.Keys.HttpConfig.Address)
} else {
fmt.Printf("HTTP server listening at %s...", config.Keys.HttpConfig.Address)
}
wg.Add(1)
go func() {
defer wg.Done()
if err = server.Serve(listener); err != nil && err != http.ErrServerClosed {
log.Fatalf("starting server failed: %v", err)
}
}()
wg.Add(1)
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
defer wg.Done()
<-sigs
runtimeEnv.SystemdNotifiy(false, "Shutting down ...")
server.Shutdown(context.Background())
shutdown()
memorystore.Shutdown()
}()
if config.Keys.Nats != nil {
@ -128,6 +173,7 @@ func main() {
}
}
runtimeEnv.SystemdNotifiy(true, "running")
wg.Wait()
memorystore.Shutdown()
log.Print("Graceful shutdown completed!")
}

View File

@ -1,11 +1,29 @@
{
"metrics": {
"flops_any": { "frequency": 15, "aggregation": "sum" },
"flops_dp": { "frequency": 15, "aggregation": "sum" },
"flops_sp": { "frequency": 15, "aggregation": "sum" },
"mem_bw": { "frequency": 15, "aggregation": "sum" },
"load_one": { "frequency": 15, "aggregation": null },
"load_five": { "frequency": 15, "aggregation": null }
"flops_any": {
"frequency": 15,
"aggregation": "sum"
},
"flops_dp": {
"frequency": 15,
"aggregation": "sum"
},
"flops_sp": {
"frequency": 15,
"aggregation": "sum"
},
"mem_bw": {
"frequency": 15,
"aggregation": "sum"
},
"load_one": {
"frequency": 15,
"aggregation": null
},
"load_five": {
"frequency": 15,
"aggregation": null
}
},
"checkpoints": {
"interval": "12h",
@ -17,7 +35,7 @@
"directory": "./var/archive"
},
"http-api": {
"address": "0.0.0.0:8081",
"address": "127.0.0.1:8081",
"https-cert-file": null,
"https-key-file": null
},

30
go.mod
View File

@ -1,19 +1,37 @@
module github.com/ClusterCockpit/cc-metric-store
go 1.19
go 1.22
require (
github.com/golang-jwt/jwt/v4 v4.5.0
github.com/google/gops v0.3.28
github.com/gorilla/mux v1.8.1
github.com/influxdata/line-protocol/v2 v2.2.1
github.com/nats-io/nats.go v1.33.1
github.com/nats-io/nats.go v1.36.0
github.com/swaggo/http-swagger v1.3.4
github.com/swaggo/swag v1.16.3
)
require (
github.com/klauspost/compress v1.17.7 // indirect
github.com/KyleBanks/depth v1.2.1 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
github.com/go-openapi/jsonpointer v0.21.0 // indirect
github.com/go-openapi/jsonreference v0.21.0 // indirect
github.com/go-openapi/spec v0.21.0 // indirect
github.com/go-openapi/swag v0.23.0 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/klauspost/compress v1.17.9 // indirect
github.com/mailru/easyjson v0.7.7 // indirect
github.com/nats-io/nkeys v0.4.7 // indirect
github.com/nats-io/nuid v1.0.1 // indirect
golang.org/x/crypto v0.21.0 // indirect
golang.org/x/sys v0.18.0 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/swaggo/files v1.0.1 // indirect
github.com/urfave/cli/v2 v2.27.1 // indirect
github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
golang.org/x/crypto v0.24.0 // indirect
golang.org/x/net v0.26.0 // indirect
golang.org/x/sys v0.21.0 // indirect
golang.org/x/text v0.16.0 // indirect
golang.org/x/tools v0.22.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
sigs.k8s.io/yaml v1.4.0 // indirect
)

108
go.sum
View File

@ -1,17 +1,30 @@
github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/frankban/quicktest v1.11.0/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
github.com/frankban/quicktest v1.11.2/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
github.com/frankban/quicktest v1.13.0 h1:yNZif1OkDfNoDfb9zZa9aXIpejNR4F23Wely0c+Qdqk=
github.com/frankban/quicktest v1.13.0/go.mod h1:qLE0fzW0VuyUAJgPU19zByoIr0HtCHN/r/VLSOOIySU=
github.com/go-openapi/jsonpointer v0.21.0 h1:YgdVicSA9vH5RiHs9TZW5oyafXZFc6+2Vc1rr/O9oNQ=
github.com/go-openapi/jsonpointer v0.21.0/go.mod h1:IUyH9l/+uyhIYQ/PXVA41Rexl+kOkAPDdXEYns6fzUY=
github.com/go-openapi/jsonreference v0.21.0 h1:Rs+Y7hSXT83Jacb7kFyjn4ijOuVGSvOdF2+tg1TRrwQ=
github.com/go-openapi/jsonreference v0.21.0/go.mod h1:LmZmgsrTkVg9LG4EaHeY8cBDslNPMo06cago5JNLkm4=
github.com/go-openapi/spec v0.21.0 h1:LTVzPc3p/RzRnkQqLRndbAzjY0d0BCL72A6j3CdL9ZY=
github.com/go-openapi/spec v0.21.0/go.mod h1:78u6VdPw81XU44qEWGhtr982gJ5BWg2c0I5XwVMotYk=
github.com/go-openapi/swag v0.23.0 h1:vsEVJDUo2hPJ2tu0/Xc+4noaxyEffXNIs3cOULZ+GrE=
github.com/go-openapi/swag v0.23.0/go.mod h1:esZ8ITTYEsH1V2trKHjAN8Ai7xHb8RV+YSZ577vPjgQ=
github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOWzg=
github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/gops v0.3.28 h1:2Xr57tqKAmQYRAfG12E+yLcoa2Y42UJo2lOrUFL9ark=
github.com/google/gops v0.3.28/go.mod h1:6f6+Nl8LcHrzJwi8+p0ii+vmBFSlB4f8cOOkTJ7sk4c=
github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
github.com/influxdata/line-protocol-corpus v0.0.0-20210519164801-ca6fa5da0184/go.mod h1:03nmhxzZ7Xk2pdG+lmMd7mHDfeVOYFyhOgwO61qWU98=
github.com/influxdata/line-protocol-corpus v0.0.0-20210922080147-aa28ccfb8937 h1:MHJNQ+p99hFATQm6ORoLmpUCF7ovjwEFshs/NHzAbig=
github.com/influxdata/line-protocol-corpus v0.0.0-20210922080147-aa28ccfb8937/go.mod h1:BKR9c0uHSmRgM/se9JhFHtTT7JTO67X23MtKMHtZcpo=
@ -19,27 +32,112 @@ github.com/influxdata/line-protocol/v2 v2.0.0-20210312151457-c52fdecb625a/go.mod
github.com/influxdata/line-protocol/v2 v2.1.0/go.mod h1:QKw43hdUBg3GTk2iC3iyCxksNj7PX9aUSeYOYE/ceHY=
github.com/influxdata/line-protocol/v2 v2.2.1 h1:EAPkqJ9Km4uAxtMRgUubJyqAr6zgWM0dznKMLRauQRE=
github.com/influxdata/line-protocol/v2 v2.2.1/go.mod h1:DmB3Cnh+3oxmG6LOBIxce4oaL4CPj3OmMPgvauXh+tM=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
github.com/klauspost/compress v1.17.7 h1:ehO88t2UGzQK66LMdE8tibEd1ErmzZjNEqWkjLAKQQg=
github.com/klauspost/compress v1.17.7/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
github.com/nats-io/nats.go v1.33.1 h1:8TxLZZ/seeEfR97qV0/Bl939tpDnt2Z2fK3HkPypj70=
github.com/nats-io/nats.go v1.33.1/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8=
github.com/nats-io/nats.go v1.36.0 h1:suEUPuWzTSse/XhESwqLxXGuj8vGRuPRoG7MoRN/qyU=
github.com/nats-io/nats.go v1.36.0/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8=
github.com/nats-io/nkeys v0.4.7 h1:RwNJbbIdYCoClSDNY7QVKZlyb/wfT6ugvFCiKy6vDvI=
github.com/nats-io/nkeys v0.4.7/go.mod h1:kqXRgRDPlGy7nGaEDMuYzmiJCIAAWDK0IMBtDmGD0nc=
github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
github.com/swaggo/files v1.0.0 h1:1gGXVIeUFCS/dta17rnP0iOpr6CXFwKD7EO5ID233e4=
github.com/swaggo/files v1.0.0/go.mod h1:N59U6URJLyU1PQgFqPM7wXLMhJx7QAolnvfQkqO13kc=
github.com/swaggo/files v1.0.1 h1:J1bVJ4XHZNq0I46UU90611i9/YzdrF7x92oX1ig5IdE=
github.com/swaggo/files v1.0.1/go.mod h1:0qXmMNH6sXNf+73t65aKeB+ApmgxdnkQzVTAj2uaMUg=
github.com/swaggo/http-swagger v1.3.3 h1:Hu5Z0L9ssyBLofaama21iYaF2VbWyA8jdohaaCGpHsc=
github.com/swaggo/http-swagger v1.3.3/go.mod h1:sE+4PjD89IxMPm77FnkDz0sdO+p5lbXzrVWT6OTVVGo=
github.com/swaggo/http-swagger v1.3.4 h1:q7t/XLx0n15H1Q9/tk3Y9L4n210XzJF5WtnDX64a5ww=
github.com/swaggo/http-swagger v1.3.4/go.mod h1:9dAh0unqMBAlbp1uE2Uc2mQTxNMU/ha4UbucIg1MFkQ=
github.com/swaggo/swag v1.16.3 h1:PnCYjPCah8FK4I26l2F/KQ4yz3sILcVUN3cTlBFA9Pg=
github.com/swaggo/swag v1.16.3/go.mod h1:DImHIuOFXKpMFAQjcC7FG4m3Dg4+QuUgUzJmKjI/gRk=
github.com/urfave/cli/v2 v2.27.1 h1:8xSQ6szndafKVRmfyeUMxkNUJQMjL1F2zmsZ+qHpfho=
github.com/urfave/cli/v2 v2.27.1/go.mod h1:8qnjx1vcq5s2/wpsqoZFndg2CE5tNFyrTvS6SinrnYQ=
github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 h1:+qGGcbkzsfDQNPPe9UDgpxAWQrhbbBXOYJFQDq/dtJw=
github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913/go.mod h1:4aEEwZQutDLsQv2Deui4iYQ6DWTxR14g6m8Wv88+Xqk=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
golang.org/x/crypto v0.24.0 h1:mnl8DM0o513X8fdIkmyFE/5hTYxbwYOjDS/+rK6qpRI=
golang.org/x/crypto v0.24.0/go.mod h1:Z1PMYSOR5nyMcyAVAIQSKCDwalqy85Aqn1x3Ws4L5DM=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.16.0 h1:QX4fJ0Rr5cPQCF7O9lh9Se4pmwfwskqZfq5moyldzic=
golang.org/x/mod v0.16.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.19.0 h1:tfGCXNR1OsFG+sVdLAitlpjAvD/I6dHDKnYrpEZUHkw=
golang.org/x/tools v0.19.0/go.mod h1:qoJWxmGSIBmAeriMx19ogtrEPrGtDbPK634QFIcLAhc=
golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=

View File

@ -1,11 +1,13 @@
// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package api
import (
"bufio"
"context"
"crypto/ed25519"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"log"
@ -13,15 +15,37 @@ import (
"net/http"
"strconv"
"strings"
"time"
"github.com/ClusterCockpit/cc-metric-store/internal/config"
"github.com/ClusterCockpit/cc-metric-store/internal/memorystore"
"github.com/ClusterCockpit/cc-metric-store/internal/util"
"github.com/gorilla/mux"
"github.com/influxdata/line-protocol/v2/lineprotocol"
)
// @title cc-metric-store REST API
// @version 1.0.0
// @description API for cc-metric-store
// @contact.name ClusterCockpit Project
// @contact.url https://clustercockpit.org
// @contact.email support@clustercockpit.org
// @license.name MIT License
// @license.url https://opensource.org/licenses/MIT
// @host localhost:8082
// @basePath /api/
// @securityDefinitions.apikey ApiKeyAuth
// @in header
// @name X-Auth-Token
// ErrorResponse model
type ErrorResponse struct {
// Statustext of Errorcode
Status string `json:"status"`
Error string `json:"error"` // Error Message
}
type ApiMetricData struct {
Error *string `json:"error,omitempty"`
Data util.FloatArray `json:"data,omitempty"`
@ -32,6 +56,16 @@ type ApiMetricData struct {
Max util.Float `json:"max"`
}
func handleError(err error, statusCode int, rw http.ResponseWriter) {
// log.Warnf("REST ERROR : %s", err.Error())
rw.Header().Add("Content-Type", "application/json")
rw.WriteHeader(statusCode)
json.NewEncoder(rw).Encode(ErrorResponse{
Status: http.StatusText(statusCode),
Error: err.Error(),
})
}
// TODO: Optimize this, just like the stats endpoint!
func (data *ApiMetricData) AddStats() {
n := 0
@ -89,16 +123,33 @@ func (data *ApiMetricData) PadDataWithNull(ms *memorystore.MemoryStore, from, to
}
}
// handleFree godoc
// @summary
// @tags free
// @description
// @produce json
// @param to query string false "up to timestamp"
// @success 200 {string} string "ok"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /free/ [get]
func handleFree(rw http.ResponseWriter, r *http.Request) {
if err := isAuthenticated(r); err != nil {
handleError(err, http.StatusUnauthorized, rw)
return
}
rawTo := r.URL.Query().Get("to")
if rawTo == "" {
http.Error(rw, "'to' is a required query parameter", http.StatusBadRequest)
handleError(errors.New("'to' is a required query parameter"), http.StatusBadRequest, rw)
return
}
to, err := strconv.ParseInt(rawTo, 10, 64)
if err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
handleError(err, http.StatusInternalServerError, rw)
return
}
@ -109,11 +160,6 @@ func handleFree(rw http.ResponseWriter, r *http.Request) {
// freeUpTo = to
// }
if r.Method != http.MethodPost {
http.Error(rw, "Method Not Allowed", http.StatusMethodNotAllowed)
return
}
bodyDec := json.NewDecoder(r.Body)
var selectors [][]string
err = bodyDec.Decode(&selectors)
@ -127,7 +173,7 @@ func handleFree(rw http.ResponseWriter, r *http.Request) {
for _, sel := range selectors {
bn, err := ms.Free(sel, to)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
handleError(err, http.StatusInternalServerError, rw)
return
}
@ -138,16 +184,30 @@ func handleFree(rw http.ResponseWriter, r *http.Request) {
fmt.Fprintf(rw, "buffers freed: %d\n", n)
}
// handleWrite godoc
// @summary Receive metrics in line-protocol
// @tags write
// @description Receives metrics in the influx line-protocol using [this format](https://github.com/ClusterCockpit/cc-specifications/blob/master/metrics/lineprotocol_alternative.md)
// @accept plain
// @produce json
// @param cluster query string false "If the lines in the body do not have a cluster tag, use this value instead."
// @success 200 {string} string "ok"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /write/ [post]
func handleWrite(rw http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(rw, "Method Not Allowed", http.StatusMethodNotAllowed)
if err := isAuthenticated(r); err != nil {
handleError(err, http.StatusUnauthorized, rw)
return
}
bytes, err := io.ReadAll(r.Body)
rw.Header().Add("Content-Type", "application/json")
if err != nil {
log.Printf("error while reading request body: %s", err.Error())
http.Error(rw, err.Error(), http.StatusInternalServerError)
handleError(err, http.StatusInternalServerError, rw)
return
}
@ -155,7 +215,7 @@ func handleWrite(rw http.ResponseWriter, r *http.Request) {
dec := lineprotocol.NewDecoderWithBytes(bytes)
if err := decodeLine(dec, ms, r.URL.Query().Get("cluster")); err != nil {
log.Printf("/api/write error: %s", err.Error())
http.Error(rw, err.Error(), http.StatusBadRequest)
handleError(err, http.StatusBadRequest, rw)
return
}
rw.WriteHeader(http.StatusOK)
@ -188,11 +248,29 @@ type ApiQuery struct {
Aggregate bool `json:"aggreg"`
}
// handleQuery godoc
// @summary Query metrics
// @tags query
// @description Query metrics.
// @accept json
// @produce json
// @param request body api.ApiQueryRequest true "API query payload object"
// @success 200 {object} api.ApiQueryResponse "API query response object"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /query/ [get]
func handleQuery(rw http.ResponseWriter, r *http.Request) {
if err := isAuthenticated(r); err != nil {
handleError(err, http.StatusUnauthorized, rw)
return
}
var err error
req := ApiQueryRequest{WithStats: true, WithData: true, WithPadding: true}
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(rw, err.Error(), http.StatusBadRequest)
handleError(err, http.StatusBadRequest, rw)
return
}
@ -305,8 +383,26 @@ func handleQuery(rw http.ResponseWriter, r *http.Request) {
}
}
// handleDebug godoc
// @summary Debug endpoint
// @tags write
// @description Write metrics to store
// @produce json
// @param selector query string false "Job Cluster"
// @success 200 {string} string "Debug dump"
// @failure 400 {object} api.ErrorResponse "Bad Request"
// @failure 401 {object} api.ErrorResponse "Unauthorized"
// @failure 403 {object} api.ErrorResponse "Forbidden"
// @failure 500 {object} api.ErrorResponse "Internal Server Error"
// @security ApiKeyAuth
// @router /debug/ [post]
func handleDebug(rw http.ResponseWriter, r *http.Request) {
if err := isAuthenticated(r); err != nil {
handleError(err, http.StatusUnauthorized, rw)
return
}
raw := r.URL.Query().Get("selector")
rw.Header().Add("Content-Type", "application/json")
selector := []string{}
if len(raw) != 0 {
selector = strings.Split(raw, ":")
@ -314,55 +410,7 @@ func handleDebug(rw http.ResponseWriter, r *http.Request) {
ms := memorystore.GetMemoryStore()
if err := ms.DebugDump(bufio.NewWriter(rw), selector); err != nil {
rw.WriteHeader(http.StatusBadRequest)
rw.Write([]byte(err.Error()))
}
}
func StartApiServer(ctx context.Context, httpConfig *config.HttpConfig) error {
r := mux.NewRouter()
r.HandleFunc("/api/free", handleFree)
r.HandleFunc("/api/write", handleWrite)
r.HandleFunc("/api/query", handleQuery)
r.HandleFunc("/api/debug", handleDebug)
server := &http.Server{
Handler: r,
Addr: httpConfig.Address,
WriteTimeout: 30 * time.Second,
ReadTimeout: 30 * time.Second,
}
if len(config.Keys.JwtPublicKey) > 0 {
buf, err := base64.StdEncoding.DecodeString(config.Keys.JwtPublicKey)
if err != nil {
return err
}
publicKey := ed25519.PublicKey(buf)
server.Handler = authentication(server.Handler, publicKey)
}
go func() {
if httpConfig.CertFile != "" && httpConfig.KeyFile != "" {
log.Printf("API https endpoint listening on '%s'\n", httpConfig.Address)
err := server.ListenAndServeTLS(httpConfig.CertFile, httpConfig.KeyFile)
if err != nil && err != http.ErrServerClosed {
log.Println(err)
}
} else {
log.Printf("API http endpoint listening on '%s'\n", httpConfig.Address)
err := server.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
log.Println(err)
}
}
}()
for {
<-ctx.Done()
err := server.Shutdown(context.Background())
log.Println("API server shut down")
return err
handleError(err, http.StatusBadRequest, rw)
return
}
}

View File

@ -10,15 +10,15 @@ import (
"github.com/golang-jwt/jwt/v4"
)
func authentication(next http.Handler, publicKey ed25519.PublicKey) http.Handler {
var publicKey ed25519.PublicKey
func isAuthenticated(r *http.Request) error {
cacheLock := sync.RWMutex{}
cache := map[string]*jwt.Token{}
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
authheader := r.Header.Get("Authorization")
if authheader == "" || !strings.HasPrefix(authheader, "Bearer ") {
http.Error(rw, "Use JWT Authentication", http.StatusUnauthorized)
return
return errors.New("Use JWT Authentication")
}
rawtoken := authheader[len("Bearer "):]
@ -26,8 +26,7 @@ func authentication(next http.Handler, publicKey ed25519.PublicKey) http.Handler
token, ok := cache[rawtoken]
cacheLock.RUnlock()
if ok && token.Claims.Valid() == nil {
next.ServeHTTP(rw, r)
return
return nil
}
// The actual token is ignored for now.
@ -42,15 +41,12 @@ func authentication(next http.Handler, publicKey ed25519.PublicKey) http.Handler
return publicKey, nil
})
if err != nil {
http.Error(rw, err.Error(), http.StatusUnauthorized)
return
return err
}
cacheLock.Lock()
cache[rawtoken] = token
cacheLock.Unlock()
// Let request through...
next.ServeHTTP(rw, r)
})
return nil
}

416
internal/api/docs.go Normal file
View File

@ -0,0 +1,416 @@
// Package api Code generated by swaggo/swag. DO NOT EDIT
package api
import "github.com/swaggo/swag"
const docTemplate = `{
"schemes": {{ marshal .Schemes }},
"swagger": "2.0",
"info": {
"description": "{{escape .Description}}",
"title": "{{.Title}}",
"contact": {
"name": "ClusterCockpit Project",
"url": "https://clustercockpit.org",
"email": "support@clustercockpit.org"
},
"license": {
"name": "MIT License",
"url": "https://opensource.org/licenses/MIT"
},
"version": "{{.Version}}"
},
"host": "{{.Host}}",
"basePath": "{{.BasePath}}",
"paths": {
"/clusters/": {
"get": {
"security": [
{
"ApiKeyAuth": []
}
],
"produces": [
"application/json"
],
"tags": [
"free"
],
"parameters": [
{
"type": "string",
"description": "up to timestamp",
"name": "to",
"in": "query"
}
],
"responses": {
"200": {
"description": "ok",
"schema": {
"type": "string"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
},
"/debug/": {
"post": {
"security": [
{
"ApiKeyAuth": []
}
],
"description": "Write metrics to store",
"produces": [
"application/json"
],
"tags": [
"write"
],
"summary": "Debug endpoint",
"parameters": [
{
"type": "string",
"description": "Job Cluster",
"name": "selector",
"in": "query"
}
],
"responses": {
"200": {
"description": "Debug dump",
"schema": {
"type": "string"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
},
"/query/": {
"get": {
"security": [
{
"ApiKeyAuth": []
}
],
"description": "Query metrics.",
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"tags": [
"query"
],
"summary": "Query metrics",
"parameters": [
{
"description": "API query payload object",
"name": "request",
"in": "body",
"required": true,
"schema": {
"$ref": "#/definitions/api.ApiQueryRequest"
}
}
],
"responses": {
"200": {
"description": "API query response object",
"schema": {
"$ref": "#/definitions/api.ApiQueryResponse"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
},
"/write/": {
"post": {
"security": [
{
"ApiKeyAuth": []
}
],
"consumes": [
"text/plain"
],
"produces": [
"application/json"
],
"parameters": [
{
"type": "string",
"description": "If the lines in the body do not have a cluster tag, use this value instead.",
"name": "cluster",
"in": "query"
}
],
"responses": {
"200": {
"description": "ok",
"schema": {
"type": "string"
}
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
},
"500": {
"description": "Internal Server Error",
"schema": {
"$ref": "#/definitions/api.ErrorResponse"
}
}
}
}
}
},
"definitions": {
"api.ApiMetricData": {
"type": "object",
"properties": {
"avg": {
"type": "number"
},
"data": {
"type": "array",
"items": {
"type": "number"
}
},
"error": {
"type": "string"
},
"from": {
"type": "integer"
},
"max": {
"type": "number"
},
"min": {
"type": "number"
},
"to": {
"type": "integer"
}
}
},
"api.ApiQuery": {
"type": "object",
"properties": {
"aggreg": {
"type": "boolean"
},
"host": {
"type": "string"
},
"metric": {
"type": "string"
},
"scale-by": {
"type": "number"
},
"subtype": {
"type": "string"
},
"subtype-ids": {
"type": "array",
"items": {
"type": "string"
}
},
"type": {
"type": "string"
},
"type-ids": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"api.ApiQueryRequest": {
"type": "object",
"properties": {
"cluster": {
"type": "string"
},
"for-all-nodes": {
"type": "array",
"items": {
"type": "string"
}
},
"from": {
"type": "integer"
},
"queries": {
"type": "array",
"items": {
"$ref": "#/definitions/api.ApiQuery"
}
},
"to": {
"type": "integer"
},
"with-data": {
"type": "boolean"
},
"with-padding": {
"type": "boolean"
},
"with-stats": {
"type": "boolean"
}
}
},
"api.ApiQueryResponse": {
"type": "object",
"properties": {
"queries": {
"type": "array",
"items": {
"$ref": "#/definitions/api.ApiQuery"
}
},
"results": {
"type": "array",
"items": {
"type": "array",
"items": {
"$ref": "#/definitions/api.ApiMetricData"
}
}
}
}
},
"api.ErrorResponse": {
"type": "object",
"properties": {
"error": {
"description": "Error Message",
"type": "string"
},
"status": {
"description": "Statustext of Errorcode",
"type": "string"
}
}
}
},
"securityDefinitions": {
"ApiKeyAuth": {
"type": "apiKey",
"name": "X-Auth-Token",
"in": "header"
}
}
}`
// SwaggerInfo holds exported Swagger Info so clients can modify it
var SwaggerInfo = &swag.Spec{
Version: "1.0.0",
Host: "localhost:8082",
BasePath: "/api/",
Schemes: []string{},
Title: "cc-metric-store REST API",
Description: "API for cc-metric-store",
InfoInstanceName: "swagger",
SwaggerTemplate: docTemplate,
LeftDelim: "{{",
RightDelim: "}}",
}
func init() {
swag.Register(SwaggerInfo.InstanceName(), SwaggerInfo)
}

29
internal/api/server.go Normal file
View File

@ -0,0 +1,29 @@
// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package api
import (
"crypto/ed25519"
"encoding/base64"
"log"
"net/http"
"github.com/ClusterCockpit/cc-metric-store/internal/config"
)
func MountRoutes(r *http.ServeMux) {
if len(config.Keys.JwtPublicKey) > 0 {
buf, err := base64.StdEncoding.DecodeString(config.Keys.JwtPublicKey)
if err != nil {
log.Fatalf("starting server failed: %v", err)
}
publicKey = ed25519.PublicKey(buf)
}
r.HandleFunc("POST /api/free/", handleFree)
r.HandleFunc("POST /api/write/", handleWrite)
r.HandleFunc("GET /api/query/", handleQuery)
r.HandleFunc("GET /api/debug/", handleDebug)
}

View File

@ -0,0 +1,140 @@
// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package runtimeEnv
import (
"bufio"
"errors"
"fmt"
"os"
"os/exec"
"os/user"
"strconv"
"strings"
"syscall"
)
// Very simple and limited .env file reader.
// All variable definitions found are directly
// added to the processes environment.
func LoadEnv(file string) error {
f, err := os.Open(file)
if err != nil {
// log.Error("Error while opening .env file")
return err
}
defer f.Close()
s := bufio.NewScanner(bufio.NewReader(f))
for s.Scan() {
line := s.Text()
if strings.HasPrefix(line, "#") || len(line) == 0 {
continue
}
if strings.Contains(line, "#") {
return errors.New("'#' are only supported at the start of a line")
}
line = strings.TrimPrefix(line, "export ")
parts := strings.SplitN(line, "=", 2)
if len(parts) != 2 {
return fmt.Errorf("RUNTIME/SETUP > unsupported line: %#v", line)
}
key := strings.TrimSpace(parts[0])
val := strings.TrimSpace(parts[1])
if strings.HasPrefix(val, "\"") {
if !strings.HasSuffix(val, "\"") {
return fmt.Errorf("RUNTIME/SETUP > unsupported line: %#v", line)
}
runes := []rune(val[1 : len(val)-1])
sb := strings.Builder{}
for i := 0; i < len(runes); i++ {
if runes[i] == '\\' {
i++
switch runes[i] {
case 'n':
sb.WriteRune('\n')
case 'r':
sb.WriteRune('\r')
case 't':
sb.WriteRune('\t')
case '"':
sb.WriteRune('"')
default:
return fmt.Errorf("RUNTIME/SETUP > unsupported escape sequence in quoted string: backslash %#v", runes[i])
}
continue
}
sb.WriteRune(runes[i])
}
val = sb.String()
}
os.Setenv(key, val)
}
return s.Err()
}
// Changes the processes user and group to that
// specified in the config.json. The go runtime
// takes care of all threads (and not only the calling one)
// executing the underlying systemcall.
func DropPrivileges(username string, group string) error {
if group != "" {
g, err := user.LookupGroup(group)
if err != nil {
// log.Warn("Error while looking up group")
return err
}
gid, _ := strconv.Atoi(g.Gid)
if err := syscall.Setgid(gid); err != nil {
// log.Warn("Error while setting gid")
return err
}
}
if username != "" {
u, err := user.Lookup(username)
if err != nil {
// log.Warn("Error while looking up user")
return err
}
uid, _ := strconv.Atoi(u.Uid)
if err := syscall.Setuid(uid); err != nil {
// log.Warn("Error while setting uid")
return err
}
}
return nil
}
// If started via systemd, inform systemd that we are running:
// https://www.freedesktop.org/software/systemd/man/sd_notify.html
func SystemdNotifiy(ready bool, status string) {
if os.Getenv("NOTIFY_SOCKET") == "" {
// Not started using systemd
return
}
args := []string{fmt.Sprintf("--pid=%d", os.Getpid())}
if ready {
args = append(args, "--ready")
}
if status != "" {
args = append(args, fmt.Sprintf("--status=%s", status))
}
cmd := exec.Command("systemd-notify", args...)
cmd.Run() // errors ignored on purpose, there is not much to do anyways.
}

8
tools.go Normal file
View File

@ -0,0 +1,8 @@
//go:build tools
// +build tools
package tools
import (
_ "github.com/swaggo/swag/cmd/swag"
)