php-fpm-exporter/cmd/get.go

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2018-02-17 12:42:58 +00:00
// 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 cmd
import (
"github.com/spf13/cobra"
"github.com/davecgh/go-spew/spew"
"github.com/gosuri/uitable"
"fmt"
"time"
"php-fpm_exporter/phpfpm"
"encoding/json"
)
// Configuration variables
var (
output string
)
// getCmd represents the get command
var getCmd = &cobra.Command{
Use: "get",
Short: "Returns metrics without running as a server",
Long: `"get" fetches metrics from php-fpm. Multiple addresses can be specified as follows:
* php-fpm_exporter get --phpfpm.scrape-uri 127.0.0.1:9000 --phpfpm.scrape-uri 127.0.0.1:9001 [...]
* php-fpm_exporter get --phpfpm.scrape-uri 127.0.0.1:9000,127.0.0.1:9001,[...]
`,
Run: func(cmd *cobra.Command, args []string) {
pm := phpfpm.PoolManager{}
for _, uri := range scrapeURIs {
pm.Add(uri)
}
pm.Update()
switch output {
case "json":
content, err := json.Marshal(pm)
if err != nil {
log.Fatal("Cannot encode to JSON ", err)
}
fmt.Print(string(content))
case "text":
table := uitable.New()
table.MaxColWidth = 80
table.Wrap = true
pools := pm.Pools()
for _, pool := range pools {
table.AddRow("Address:", pool.Address)
table.AddRow("Pool:", pool.Name)
table.AddRow("Start time:", time.Time(pool.StartTime).Format(time.RFC1123Z))
table.AddRow("Start since:", pool.StartSince)
table.AddRow("Accepted connections:", pool.AcceptedConnections)
table.AddRow("Listen Queue:", pool.ListenQueue)
table.AddRow("Max Listen Queue:", pool.MaxListenQueue)
table.AddRow("Listen Queue Length:", pool.ListenQueueLength)
table.AddRow("Idle Processes:", pool.IdleProcesses)
table.AddRow("Active Processes:", pool.ActiveProcesses)
table.AddRow("Total Processes:", pool.TotalProcesses)
table.AddRow("Max active processes:", pool.MaxActiveProcesses)
table.AddRow("Max children reached:", pool.MaxChildrenReached)
table.AddRow("Slow requests:", pool.SlowRequests)
table.AddRow("")
}
fmt.Println(table)
case "spew":
spew.Dump(pm)
default:
log.Error("Output format not valid.")
}
},
}
func init() {
RootCmd.AddCommand(getCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// getCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
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")
getCmd.Flags().StringVar(&output, "out", "text","Output format. One of: text, json, spew")
}