✨ Initial version
This commit is contained in:
Enrico Stahn
parent
7e195736a9
commit
10db3f27ba
9 changed files with 796 additions and 0 deletions
103
cmd/get.go
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103
cmd/get.go
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// Copyright © 2018 Enrico Stahn <enrico.stahn@gmail.com>
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cmd
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import (
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"github.com/spf13/cobra"
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"github.com/davecgh/go-spew/spew"
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"github.com/gosuri/uitable"
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"fmt"
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"time"
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"php-fpm_exporter/phpfpm"
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"encoding/json"
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)
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// Configuration variables
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var (
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output string
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)
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// getCmd represents the get command
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var getCmd = &cobra.Command{
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Use: "get",
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Short: "Returns metrics without running as a server",
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Long: `"get" fetches metrics from php-fpm. Multiple addresses can be specified as follows:
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* php-fpm_exporter get --phpfpm.scrape-uri 127.0.0.1:9000 --phpfpm.scrape-uri 127.0.0.1:9001 [...]
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* php-fpm_exporter get --phpfpm.scrape-uri 127.0.0.1:9000,127.0.0.1:9001,[...]
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`,
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Run: func(cmd *cobra.Command, args []string) {
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pm := phpfpm.PoolManager{}
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for _, uri := range scrapeURIs {
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pm.Add(uri)
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}
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pm.Update()
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switch output {
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case "json":
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content, err := json.Marshal(pm)
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if err != nil {
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log.Fatal("Cannot encode to JSON ", err)
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}
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fmt.Print(string(content))
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case "text":
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table := uitable.New()
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table.MaxColWidth = 80
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table.Wrap = true
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pools := pm.Pools()
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for _, pool := range pools {
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table.AddRow("Address:", pool.Address)
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table.AddRow("Pool:", pool.Name)
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table.AddRow("Start time:", time.Time(pool.StartTime).Format(time.RFC1123Z))
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table.AddRow("Start since:", pool.StartSince)
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table.AddRow("Accepted connections:", pool.AcceptedConnections)
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table.AddRow("Listen Queue:", pool.ListenQueue)
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table.AddRow("Max Listen Queue:", pool.MaxListenQueue)
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table.AddRow("Listen Queue Length:", pool.ListenQueueLength)
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table.AddRow("Idle Processes:", pool.IdleProcesses)
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table.AddRow("Active Processes:", pool.ActiveProcesses)
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table.AddRow("Total Processes:", pool.TotalProcesses)
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table.AddRow("Max active processes:", pool.MaxActiveProcesses)
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table.AddRow("Max children reached:", pool.MaxChildrenReached)
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table.AddRow("Slow requests:", pool.SlowRequests)
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table.AddRow("")
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}
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fmt.Println(table)
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case "spew":
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spew.Dump(pm)
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default:
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log.Error("Output format not valid.")
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}
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},
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}
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func init() {
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RootCmd.AddCommand(getCmd)
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// Here you will define your flags and configuration settings.
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// Cobra supports Persistent Flags which will work for this command
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// and all subcommands, e.g.:
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// getCmd.PersistentFlags().String("foo", "", "A help for foo")
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// Cobra supports local flags which will only run when this command
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// is called directly, e.g.:
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getCmd.Flags().StringSliceVar(&scrapeURIs, "phpfpm.scrape-uri", []string{"tcp://127.0.0.1:9000/status"},"FastCGI address, e.g. unix:///tmp/php.sock;/status or tcp://127.0.0.1:9000/status")
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getCmd.Flags().StringVar(&output, "out", "text","Output format. One of: text, json, spew")
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}
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104
cmd/root.go
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104
cmd/root.go
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@ -0,0 +1,104 @@
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// Copyright © 2018 Enrico Stahn <enrico.stahn@gmail.com>
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cmd
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import (
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"fmt"
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"os"
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"github.com/mitchellh/go-homedir"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/sirupsen/logrus"
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"php-fpm_exporter/phpfpm"
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)
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var log = logrus.New()
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var (
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cfgFile string
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logLevel string
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)
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// RootCmd represents the base command when called without any subcommands
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var RootCmd = &cobra.Command{
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Use: "php-fpm_exporter",
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Short: "Exports php-fpm metrics for prometheus",
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Long: `php-fpm_exporter exports prometheus compatible metrics from php-fpm.`,
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// Uncomment the following line if your bare application
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// has an action associated with it:
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// Run: func(cmd *cobra.Command, args []string) { },
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}
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// Execute adds all child commands to the root command sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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if err := RootCmd.Execute(); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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func init() {
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cobra.OnInitialize(initConfig, initLogger)
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// Here you will define your flags and configuration settings.
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// Cobra supports persistent flags, which, if defined here,
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// will be global for your application.
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RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.php-fpm_exporter.yaml)")
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RootCmd.PersistentFlags().StringVar(&logLevel, "log.level", "error", "Only log messages with the given severity or above. Valid levels: [debug, info, warn, error, fatal]")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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// Find home directory.
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home, err := homedir.Dir()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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// Search config in home directory with name ".php-fpm_exporter" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigName(".php-fpm_exporter")
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}
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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if err := viper.ReadInConfig(); err == nil {
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fmt.Println("Using config file:", viper.ConfigFileUsed())
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}
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}
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// initLogger configures the log level
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func initLogger() {
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phpfpm.SetLogger(log)
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lvl, err := logrus.ParseLevel(logLevel)
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if err != nil {
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lvl = logrus.InfoLevel
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log.Fatalf("Could not set log level to '%v'.", logLevel)
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}
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log.SetLevel(lvl)
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}
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85
cmd/server.go
Normal file
85
cmd/server.go
Normal file
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@ -0,0 +1,85 @@
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// Copyright © 2018 Enrico Stahn <enrico.stahn@gmail.com>
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cmd
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import (
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"github.com/spf13/cobra"
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"github.com/prometheus/client_golang/prometheus"
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"net/http"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"php-fpm_exporter/phpfpm"
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)
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// Configuration variables
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var (
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listeningAddress string
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metricsEndpoint string
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scrapeURIs []string
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customLabelNames []string
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customLabelValues []string
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)
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// serverCmd represents the server command
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var serverCmd = &cobra.Command{
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Use: "server",
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Short: "A brief description of your command",
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Long: `A longer description that spans multiple lines and likely contains examples
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and usage of using your command. For example:
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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Run: func(cmd *cobra.Command, args []string) {
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log.Infof("Starting server on %v with path %v", listeningAddress, metricsEndpoint)
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pm := phpfpm.PoolManager{}
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for _, uri := range scrapeURIs {
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pm.Add(uri)
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}
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exporter := phpfpm.NewExporter(pm)
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prometheus.MustRegister(exporter)
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http.Handle(metricsEndpoint, promhttp.Handler())
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(`<html>
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<head><title>Apache Exporter</title></head>
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<body>
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<h1>Apache Exporter</h1>
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<p><a href='` + metricsEndpoint + `'>Metrics</a></p>
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</body>
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</html>`))
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})
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log.Fatal(http.ListenAndServe(listeningAddress, nil))
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},
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}
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func init() {
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RootCmd.AddCommand(serverCmd)
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// Here you will define your flags and configuration settings.
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// Cobra supports Persistent Flags which will work for this command
|
||||||
|
// and all subcommands, e.g.:
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// serverCmd.PersistentFlags().String("foo", "", "A help for foo")
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// Cobra supports local flags which will only run when this command
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// is called directly, e.g.:
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serverCmd.Flags().StringVar(&listeningAddress, "web.listen-address", ":9253", "Address on which to expose metrics and web interface.")
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serverCmd.Flags().StringVar(&metricsEndpoint, "web.telemetry-path", "/metrics", "Path under which to expose metrics.")
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serverCmd.Flags().StringSliceVar(&scrapeURIs, "phpfpm.scrape-uri", []string{"tcp://127.0.0.1:9000/status"},"FastCGI address, e.g. unix:///tmp/php.sock;/status or tcp://127.0.0.1:9000/status")
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serverCmd.Flags().StringSliceVar(&customLabelNames, "phpfpm.label-name", []string{},"Name of the custom label that will be inserted.")
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serverCmd.Flags().StringSliceVar(&customLabelValues, "phpfpm.label-value", []string{},"Value of the custom label that will be inserted.")
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}
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44
cmd/version.go
Normal file
44
cmd/version.go
Normal file
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@ -0,0 +1,44 @@
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// Copyright © 2018 Enrico Stahn <enrico.stahn@gmail.com>
|
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|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
package cmd
|
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|
|
||||||
|
import (
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"fmt"
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|
|
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"github.com/spf13/cobra"
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)
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// versionCmd represents the version command
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var versionCmd = &cobra.Command{
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Use: "version",
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Short: "Print the version number of php-fpm_exporter",
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Long: `All software has versions. This is php-fpm_exporter's'`,
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Run: func(cmd *cobra.Command, args []string) {
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|
fmt.Println("php-fpm_exporter v0.9 -- HEAD")
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},
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}
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|
||||||
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func init() {
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||||||
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RootCmd.AddCommand(versionCmd)
|
||||||
|
|
||||||
|
// Here you will define your flags and configuration settings.
|
||||||
|
|
||||||
|
// Cobra supports Persistent Flags which will work for this command
|
||||||
|
// and all subcommands, e.g.:
|
||||||
|
// versionCmd.PersistentFlags().String("foo", "", "A help for foo")
|
||||||
|
|
||||||
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// Cobra supports local flags which will only run when this command
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||||||
|
// is called directly, e.g.:
|
||||||
|
// versionCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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|
}
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111
glide.lock
generated
Normal file
111
glide.lock
generated
Normal file
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@ -0,0 +1,111 @@
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hash: 41dcf6f131327ca4b18788f48b530080ea79b432b982a1a8d3114b3a2d765c09
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updated: 2018-02-15T13:47:57.155132+11:00
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imports:
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||||||
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- name: github.com/aws/aws-sdk-go
|
||||||
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version: 31d8a71e731ad4df5221f6ba3372c461b56a5eda
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||||||
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- name: github.com/beorn7/perks
|
||||||
|
version: 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9
|
||||||
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subpackages:
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||||||
|
- quantile
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||||||
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- name: github.com/bmuller/arrow
|
||||||
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version: 57b28416c629f234bd2291d3ba7b19b9a064fd37
|
||||||
|
- name: github.com/davecgh/go-spew
|
||||||
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version: 87df7c60d5820d0f8ae11afede5aa52325c09717
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||||||
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subpackages:
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||||||
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- spew
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||||||
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- name: github.com/fsnotify/fsnotify
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||||||
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version: 4da3e2cfbabc9f751898f250b49f2439785783a1
|
||||||
|
- name: github.com/golang/protobuf
|
||||||
|
version: bbd03ef6da3a115852eaf24c8a1c46aeb39aa175
|
||||||
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subpackages:
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||||||
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- proto
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||||||
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- name: github.com/gorilla/mux
|
||||||
|
version: c0091a029979286890368b4c7b301261e448e242
|
||||||
|
- name: github.com/gosuri/uitable
|
||||||
|
version: 36ee7e946282a3fb1cfecd476ddc9b35d8847e42
|
||||||
|
- name: github.com/hashicorp/hcl
|
||||||
|
version: 392dba7d905ed5d04a5794ba89f558b27e2ba1ca
|
||||||
|
subpackages:
|
||||||
|
- hcl/ast
|
||||||
|
- hcl/parser
|
||||||
|
- hcl/scanner
|
||||||
|
- hcl/strconv
|
||||||
|
- hcl/token
|
||||||
|
- json/parser
|
||||||
|
- json/scanner
|
||||||
|
- json/token
|
||||||
|
- name: github.com/inconshreveable/mousetrap
|
||||||
|
version: 76626ae9c91c4f2a10f34cad8ce83ea42c93bb75
|
||||||
|
- name: github.com/magiconair/properties
|
||||||
|
version: 51463bfca2576e06c62a8504b5c0f06d61312647
|
||||||
|
- name: github.com/matttproud/golang_protobuf_extensions
|
||||||
|
version: c12348ce28de40eed0136aa2b644d0ee0650e56c
|
||||||
|
subpackages:
|
||||||
|
- pbutil
|
||||||
|
- name: github.com/mitchellh/go-homedir
|
||||||
|
version: b8bc1bf767474819792c23f32d8286a45736f1c6
|
||||||
|
- name: github.com/mitchellh/mapstructure
|
||||||
|
version: d0303fe809921458f417bcf828397a65db30a7e4
|
||||||
|
- name: github.com/newrelic/go-agent
|
||||||
|
version: f5bce3387232559bcbe6a5f8227c4bf508dac1ba
|
||||||
|
- name: github.com/pelletier/go-buffruneio
|
||||||
|
version: c37440a7cf42ac63b919c752ca73a85067e05992
|
||||||
|
- name: github.com/pelletier/go-toml
|
||||||
|
version: fe7536c3dee2596cdd23ee9976a17c22bdaae286
|
||||||
|
- name: github.com/prometheus/client_golang
|
||||||
|
version: a40133b69fbd73ee655606a9bf5f8b9b9bf758dd
|
||||||
|
subpackages:
|
||||||
|
- prometheus
|
||||||
|
- name: github.com/prometheus/client_model
|
||||||
|
version: 99fa1f4be8e564e8a6b613da7fa6f46c9edafc6c
|
||||||
|
subpackages:
|
||||||
|
- go
|
||||||
|
- name: github.com/prometheus/common
|
||||||
|
version: 89604d197083d4781071d3c65855d24ecfb0a563
|
||||||
|
subpackages:
|
||||||
|
- expfmt
|
||||||
|
- internal/bitbucket.org/ww/goautoneg
|
||||||
|
- model
|
||||||
|
- name: github.com/prometheus/procfs
|
||||||
|
version: 282c8707aa210456a825798969cc27edda34992a
|
||||||
|
subpackages:
|
||||||
|
- internal/util
|
||||||
|
- nfs
|
||||||
|
- xfs
|
||||||
|
- name: github.com/sirupsen/logrus
|
||||||
|
version: 8c0189d9f6bbf301e5d055d34268156b317016af
|
||||||
|
- name: github.com/speps/go-hashids
|
||||||
|
version: c6ced3330f133cec79e144fb11b2e4c5154059ae
|
||||||
|
- name: github.com/spf13/afero
|
||||||
|
version: 9be650865eab0c12963d8753212f4f9c66cdcf12
|
||||||
|
subpackages:
|
||||||
|
- mem
|
||||||
|
- name: github.com/spf13/cast
|
||||||
|
version: acbeb36b902d72a7a4c18e8f3241075e7ab763e4
|
||||||
|
- name: github.com/spf13/cobra
|
||||||
|
version: 8f5946caaeeff40a98d67f60c25e89c3525038a3
|
||||||
|
- name: github.com/spf13/jwalterweatherman
|
||||||
|
version: 0efa5202c04663c757d84f90f5219c1250baf94f
|
||||||
|
- name: github.com/spf13/pflag
|
||||||
|
version: e57e3eeb33f795204c1ca35f56c44f83227c6e66
|
||||||
|
- name: github.com/spf13/viper
|
||||||
|
version: a1ecfa6a20bd4ef9e9caded262ee1b1b26847675
|
||||||
|
- name: github.com/tomasen/fcgi_client
|
||||||
|
version: d32b71631a94113ee01855724d1038485a396b6f
|
||||||
|
- name: golang.org/x/crypto
|
||||||
|
version: 650f4a345ab4e5b245a3034b110ebc7299e68186
|
||||||
|
subpackages:
|
||||||
|
- ssh/terminal
|
||||||
|
- name: golang.org/x/sys
|
||||||
|
version: 37707fdb30a5b38865cfb95e5aab41707daec7fd
|
||||||
|
subpackages:
|
||||||
|
- unix
|
||||||
|
- windows
|
||||||
|
- name: golang.org/x/text
|
||||||
|
version: 9e2f80a6ba7ed4ba13e0cd4b1f094bf916875735
|
||||||
|
subpackages:
|
||||||
|
- transform
|
||||||
|
- unicode/norm
|
||||||
|
- name: gopkg.in/yaml.v2
|
||||||
|
version: a83829b6f1293c91addabc89d0571c246397bbf4
|
||||||
|
testImports: []
|
||||||
7
glide.yaml
Normal file
7
glide.yaml
Normal file
|
|
@ -0,0 +1,7 @@
|
||||||
|
package: php-fpm_exporter
|
||||||
|
import:
|
||||||
|
- package: github.com/gosuri/uitable
|
||||||
|
- package: github.com/sirupsen/logrus
|
||||||
|
- package: github.com/mitchellh/go-homedir
|
||||||
|
- package: github.com/spf13/cobra
|
||||||
|
- package: github.com/spf13/viper
|
||||||
20
main.go
Normal file
20
main.go
Normal file
|
|
@ -0,0 +1,20 @@
|
||||||
|
// Copyright © 2018 Enrico Stahn <enrico.stahn@gmail.com>
|
||||||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
package main
|
||||||
|
|
||||||
|
import "php-fpm_exporter/cmd"
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
cmd.Execute()
|
||||||
|
}
|
||||||
143
phpfpm/exporter.go
Normal file
143
phpfpm/exporter.go
Normal file
|
|
@ -0,0 +1,143 @@
|
||||||
|
package phpfpm
|
||||||
|
|
||||||
|
import (
|
||||||
|
"sync"
|
||||||
|
"github.com/prometheus/client_golang/prometheus"
|
||||||
|
"net/http"
|
||||||
|
)
|
||||||
|
|
||||||
|
const (
|
||||||
|
namespace = "phpfpm"
|
||||||
|
)
|
||||||
|
|
||||||
|
type Exporter struct {
|
||||||
|
PoolManager PoolManager
|
||||||
|
mutex sync.Mutex
|
||||||
|
client *http.Client
|
||||||
|
|
||||||
|
startSince *prometheus.Desc
|
||||||
|
acceptedConnections *prometheus.Desc
|
||||||
|
listenQueue *prometheus.Desc
|
||||||
|
maxListenQueue *prometheus.Desc
|
||||||
|
listenQueueLength *prometheus.Desc
|
||||||
|
idleProcesses *prometheus.Desc
|
||||||
|
activeProcesses *prometheus.Desc
|
||||||
|
totalProcesses *prometheus.Desc
|
||||||
|
maxActiveProcesses *prometheus.Desc
|
||||||
|
maxChildrenReached *prometheus.Desc
|
||||||
|
slowRequests *prometheus.Desc
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewExporter(pm PoolManager) *Exporter {
|
||||||
|
return &Exporter{
|
||||||
|
PoolManager: pm,
|
||||||
|
|
||||||
|
startSince: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "start_since"),
|
||||||
|
"The number of seconds since FPM has started.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
acceptedConnections: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "accepted_connections"),
|
||||||
|
"The number of requests accepted by the pool.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
listenQueue: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "listen_queue"),
|
||||||
|
"The number of requests in the queue of pending connections.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
maxListenQueue: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "max_listen_queue"),
|
||||||
|
"The maximum number of requests in the queue of pending connections since FPM has started.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
listenQueueLength: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "listen_queue_length"),
|
||||||
|
"The size of the socket queue of pending connections.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
idleProcesses: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "idle_processes"),
|
||||||
|
"The number of idle processes.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
activeProcesses: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "active_processes"),
|
||||||
|
"The number of active processes.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
totalProcesses: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "total_processes"),
|
||||||
|
"The number of idle + active processes.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
maxActiveProcesses: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "max_active_processes"),
|
||||||
|
"The maximum number of active processes since FPM has started.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
maxChildrenReached: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "max_children_reached"),
|
||||||
|
"The number of times, the process limit has been reached, when pm tries to start more children (works only for pm 'dynamic' and 'ondemand').",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
|
||||||
|
slowRequests: prometheus.NewDesc(
|
||||||
|
prometheus.BuildFQName(namespace, "", "slow_requests"),
|
||||||
|
"The number of requests that exceeded your 'request_slowlog_timeout' value.",
|
||||||
|
[]string{"pool"},
|
||||||
|
nil),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
|
||||||
|
e.mutex.Lock()
|
||||||
|
defer e.mutex.Unlock()
|
||||||
|
|
||||||
|
e.PoolManager.Update()
|
||||||
|
|
||||||
|
for _, pool := range e.PoolManager.Pools() {
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.startSince, prometheus.CounterValue, float64(pool.AcceptedConnections), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.acceptedConnections, prometheus.CounterValue, float64(pool.StartSince), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.listenQueue, prometheus.GaugeValue, float64(pool.ListenQueue), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.maxListenQueue, prometheus.CounterValue, float64(pool.MaxListenQueue), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.listenQueueLength, prometheus.GaugeValue, float64(pool.ListenQueueLength), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.idleProcesses, prometheus.GaugeValue, float64(pool.IdleProcesses), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.activeProcesses, prometheus.GaugeValue, float64(pool.ActiveProcesses), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.totalProcesses, prometheus.GaugeValue, float64(pool.TotalProcesses), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.maxActiveProcesses, prometheus.CounterValue, float64(pool.MaxActiveProcesses), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.maxChildrenReached, prometheus.CounterValue, float64(pool.MaxChildrenReached), pool.Name)
|
||||||
|
ch <- prometheus.MustNewConstMetric(e.slowRequests, prometheus.CounterValue, float64(pool.SlowRequests), pool.Name)
|
||||||
|
}
|
||||||
|
|
||||||
|
//if err := e.collect(ch); err != nil {
|
||||||
|
// log.Errorf("Error scraping apache: %s", err)
|
||||||
|
// e.scrapeFailures.Inc()
|
||||||
|
// e.scrapeFailures.Collect(ch)
|
||||||
|
//}
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
|
||||||
|
ch <- e.startSince
|
||||||
|
ch <- e.acceptedConnections
|
||||||
|
ch <- e.listenQueue
|
||||||
|
ch <- e.maxListenQueue
|
||||||
|
ch <- e.listenQueueLength
|
||||||
|
ch <- e.idleProcesses
|
||||||
|
ch <- e.activeProcesses
|
||||||
|
ch <- e.totalProcesses
|
||||||
|
ch <- e.maxActiveProcesses
|
||||||
|
ch <- e.maxChildrenReached
|
||||||
|
ch <- e.slowRequests
|
||||||
|
}
|
||||||
179
phpfpm/phpfpm.go
Normal file
179
phpfpm/phpfpm.go
Normal file
|
|
@ -0,0 +1,179 @@
|
||||||
|
// Copyright © 2018 Enrico Stahn <enrico.stahn@gmail.com>
|
||||||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
package phpfpm
|
||||||
|
|
||||||
|
import (
|
||||||
|
"net/url"
|
||||||
|
"github.com/tomasen/fcgi_client"
|
||||||
|
"io/ioutil"
|
||||||
|
"encoding/json"
|
||||||
|
"time"
|
||||||
|
"fmt"
|
||||||
|
"strconv"
|
||||||
|
"sync"
|
||||||
|
)
|
||||||
|
|
||||||
|
var log logger
|
||||||
|
|
||||||
|
type logger interface {
|
||||||
|
Debugf(string, ...interface{})
|
||||||
|
Error(ar ...interface{})
|
||||||
|
}
|
||||||
|
|
||||||
|
type PoolManager struct {
|
||||||
|
pools []Pool `json:"pools"`
|
||||||
|
}
|
||||||
|
|
||||||
|
type Pool struct {
|
||||||
|
// The address of the pool, e.g. tcp://127.0.0.1:9000 or unix:///tmp/php-fpm.sock
|
||||||
|
Address string
|
||||||
|
CollectionError error
|
||||||
|
|
||||||
|
Name string `json:"pool"`
|
||||||
|
ProcessManager string `json:"process manager"`
|
||||||
|
StartTime Timestamp `json:"start time"`
|
||||||
|
StartSince int `json:"start since"`
|
||||||
|
AcceptedConnections int `json:"accepted conn"`
|
||||||
|
ListenQueue int `json:"listen queue"`
|
||||||
|
MaxListenQueue int `json:"max listen queue"`
|
||||||
|
ListenQueueLength int `json:"listen queue len"`
|
||||||
|
IdleProcesses int `json:"idle processes"`
|
||||||
|
ActiveProcesses int `json:"active processes"`
|
||||||
|
TotalProcesses int `json:"total processes"`
|
||||||
|
MaxActiveProcesses int `json:"max active processes"`
|
||||||
|
MaxChildrenReached int `json:"max children reached"`
|
||||||
|
SlowRequests int `json:"slow requests"`
|
||||||
|
Processes []PoolProcess `json:"processes"`
|
||||||
|
}
|
||||||
|
|
||||||
|
type PoolProcess struct {
|
||||||
|
PID int `json:"pid"`
|
||||||
|
State string `json:"state"`
|
||||||
|
StartTime int `json:"start time"`
|
||||||
|
StartSince int `json:"start since"`
|
||||||
|
Requests int `json:"requests"`
|
||||||
|
RequestDuration int `json:"request duration"`
|
||||||
|
RequestMethod string `json:"request method"`
|
||||||
|
RequestURI string `json:"request uri"`
|
||||||
|
ContentLength int `json:"content length"`
|
||||||
|
User string `json:"user"`
|
||||||
|
Script string `json:"script"`
|
||||||
|
LastRequestCPU float32 `json:"last request cpu"`
|
||||||
|
LastRequestMemory int `json:"last request memory"`
|
||||||
|
}
|
||||||
|
|
||||||
|
func (pm *PoolManager) Add(uri string) Pool {
|
||||||
|
p := Pool{Address: uri}
|
||||||
|
pm.pools = append(pm.pools, p)
|
||||||
|
return p
|
||||||
|
}
|
||||||
|
|
||||||
|
func (pm *PoolManager) Update() (err error) {
|
||||||
|
wg := &sync.WaitGroup{}
|
||||||
|
|
||||||
|
started := time.Now()
|
||||||
|
|
||||||
|
for idx, _ := range pm.pools {
|
||||||
|
wg.Add(1)
|
||||||
|
go func(p *Pool) {
|
||||||
|
defer wg.Done()
|
||||||
|
p.Update()
|
||||||
|
}(&pm.pools[idx])
|
||||||
|
}
|
||||||
|
|
||||||
|
wg.Wait()
|
||||||
|
|
||||||
|
ended := time.Now()
|
||||||
|
|
||||||
|
log.Debugf("Updated %v pool(s) in %v", len(pm.pools), ended.Sub(started))
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (pm *PoolManager) Pools() []Pool {
|
||||||
|
return pm.pools
|
||||||
|
}
|
||||||
|
|
||||||
|
// Implement custom Marshaler due to "pools" being unexported
|
||||||
|
func (pm PoolManager) MarshalJSON() ([]byte, error) {
|
||||||
|
return json.Marshal(struct{Pools []Pool `json:"pools"` }{Pools: pm.pools})
|
||||||
|
}
|
||||||
|
|
||||||
|
func (p *Pool) Update() (err error) {
|
||||||
|
p.CollectionError = nil
|
||||||
|
|
||||||
|
env := make(map[string]string)
|
||||||
|
env["SCRIPT_FILENAME"] = "/status"
|
||||||
|
env["SCRIPT_NAME"] = "/status"
|
||||||
|
env["SERVER_SOFTWARE"] = "go / php-fpm_exporter "
|
||||||
|
env["REMOTE_ADDR"] = "127.0.0.1"
|
||||||
|
env["QUERY_STRING"] = "json&full"
|
||||||
|
|
||||||
|
uri, err := url.Parse(p.Address)
|
||||||
|
if err != nil {
|
||||||
|
return p.error(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
fcgi, err := fcgiclient.DialTimeout(uri.Scheme, uri.Hostname()+":"+uri.Port(), time.Duration(3)*time.Second)
|
||||||
|
if err != nil {
|
||||||
|
return p.error(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
resp, err := fcgi.Get(env)
|
||||||
|
if err != nil {
|
||||||
|
return p.error(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
content, err := ioutil.ReadAll(resp.Body)
|
||||||
|
if err != nil {
|
||||||
|
return p.error(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
fcgi.Close()
|
||||||
|
|
||||||
|
log.Debugf("Pool[", p.Address, "]:", string(content))
|
||||||
|
|
||||||
|
if err = json.Unmarshal(content, &p); err != nil {
|
||||||
|
return p.error(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (p *Pool) error(err error) (error) {
|
||||||
|
p.CollectionError = err
|
||||||
|
log.Error(err)
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
type Timestamp time.Time
|
||||||
|
|
||||||
|
func (t *Timestamp) MarshalJSON() ([]byte, error) {
|
||||||
|
ts := time.Time(*t).Unix()
|
||||||
|
stamp := fmt.Sprint(ts)
|
||||||
|
return []byte(stamp), nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (t *Timestamp) UnmarshalJSON(b []byte) error {
|
||||||
|
ts, err := strconv.Atoi(string(b))
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
*t = Timestamp(time.Unix(int64(ts), 0))
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func SetLogger(logger logger){
|
||||||
|
log = logger
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue