mirror of https://github.com/grafana/grafana.git
99 lines
2.1 KiB
Go
99 lines
2.1 KiB
Go
package main
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import (
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"flag"
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"io/ioutil"
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"os"
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"os/signal"
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"path/filepath"
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"runtime"
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"strconv"
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"time"
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"github.com/grafana/grafana/pkg/cmd"
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"github.com/grafana/grafana/pkg/log"
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"github.com/grafana/grafana/pkg/metrics"
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"github.com/grafana/grafana/pkg/plugins"
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"github.com/grafana/grafana/pkg/services/eventpublisher"
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"github.com/grafana/grafana/pkg/services/sqlstore"
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"github.com/grafana/grafana/pkg/setting"
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"github.com/grafana/grafana/pkg/social"
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)
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var version = "master"
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var commit = "NA"
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var buildstamp string
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var configFile = flag.String("config", "", "path to config file")
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var homePath = flag.String("homepath", "", "path to grafana install/home path, defaults to working directory")
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var pidFile = flag.String("pidfile", "", "path to pid file")
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func init() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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}
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func main() {
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buildstampInt64, _ := strconv.ParseInt(buildstamp, 10, 64)
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setting.BuildVersion = version
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setting.BuildCommit = commit
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setting.BuildStamp = buildstampInt64
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go func() {
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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<-c
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os.Exit(0)
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}()
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flag.Parse()
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initRuntime()
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writePIDFile()
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social.NewOAuthService()
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eventpublisher.Init()
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plugins.Init()
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if setting.ReportingEnabled {
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go metrics.StartUsageReportLoop()
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}
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cmd.StartServer()
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log.Close()
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}
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func initRuntime() {
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setting.NewConfigContext(&setting.CommandLineArgs{
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Config: *configFile,
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HomePath: *homePath,
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Args: flag.Args(),
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})
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log.Info("Starting Grafana")
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log.Info("Version: %v, Commit: %v, Build date: %v", setting.BuildVersion, setting.BuildCommit, time.Unix(setting.BuildStamp, 0))
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setting.LogConfigurationInfo()
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sqlstore.NewEngine()
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sqlstore.EnsureAdminUser()
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}
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func writePIDFile() {
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if *pidFile == "" {
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return
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}
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// Ensure the required directory structure exists.
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err := os.MkdirAll(filepath.Dir(*pidFile), 0700)
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if err != nil {
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log.Fatal(3, "Failed to verify pid directory", err)
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}
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// Retrieve the PID and write it.
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pid := strconv.Itoa(os.Getpid())
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if err := ioutil.WriteFile(*pidFile, []byte(pid), 0644); err != nil {
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log.Fatal(3, "Failed to write pidfile", err)
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}
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}
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