mirror of
https://github.com/grafana/grafana.git
synced 2025-02-25 18:55:37 -06:00
28f7b6dad1
* extensions: import and build * bus: use predefined error * enterprise: build script for enterprise packages * poc: auto registering services and dependency injection (cherry picked from commit b5b1ef875f905473af41e49f8071cb9028edc845) * poc: backend services registry progress (cherry picked from commit 97be69725881241bfbf1e7adf0e66801d6b0af3d) * poc: minor update (cherry picked from commit 03d7a6888b81403f458b94305792e075568f0794) * ioc: introduce manuel ioc * enterprise: adds setting for enterprise * build: test and build specific ee commit * cleanup: test testing code * removes example hello service
124 lines
3.1 KiB
Go
124 lines
3.1 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"os/signal"
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"runtime"
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"runtime/trace"
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"strconv"
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"syscall"
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"time"
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"net/http"
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_ "net/http/pprof"
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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/setting"
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_ "github.com/grafana/grafana/pkg/extensions"
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_ "github.com/grafana/grafana/pkg/services/alerting/conditions"
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_ "github.com/grafana/grafana/pkg/services/alerting/notifiers"
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_ "github.com/grafana/grafana/pkg/tsdb/cloudwatch"
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_ "github.com/grafana/grafana/pkg/tsdb/graphite"
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_ "github.com/grafana/grafana/pkg/tsdb/influxdb"
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_ "github.com/grafana/grafana/pkg/tsdb/mysql"
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_ "github.com/grafana/grafana/pkg/tsdb/opentsdb"
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_ "github.com/grafana/grafana/pkg/tsdb/postgres"
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_ "github.com/grafana/grafana/pkg/tsdb/prometheus"
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_ "github.com/grafana/grafana/pkg/tsdb/testdata"
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)
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var version = "5.0.0"
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var commit = "NA"
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var buildstamp string
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var enterprise 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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var exitChan = make(chan int)
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func main() {
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v := flag.Bool("v", false, "prints current version and exits")
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profile := flag.Bool("profile", false, "Turn on pprof profiling")
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profilePort := flag.Int("profile-port", 6060, "Define custom port for profiling")
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flag.Parse()
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if *v {
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fmt.Printf("Version %s (commit: %s)\n", version, commit)
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os.Exit(0)
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}
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if *profile {
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runtime.SetBlockProfileRate(1)
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go func() {
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http.ListenAndServe(fmt.Sprintf("localhost:%d", *profilePort), nil)
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}()
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f, err := os.Create("trace.out")
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if err != nil {
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panic(err)
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}
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defer f.Close()
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err = trace.Start(f)
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if err != nil {
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panic(err)
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}
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defer trace.Stop()
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}
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buildstampInt64, _ := strconv.ParseInt(buildstamp, 10, 64)
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if buildstampInt64 == 0 {
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buildstampInt64 = time.Now().Unix()
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}
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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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setting.Enterprise, _ = strconv.ParseBool(enterprise)
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metrics.M_Grafana_Version.WithLabelValues(version).Set(1)
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shutdownCompleted := make(chan int)
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server := NewGrafanaServer()
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go listenToSystemSignals(server, shutdownCompleted)
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go func() {
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code := 0
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if err := server.Start(); err != nil {
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log.Error2("Startup failed", "error", err)
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code = 1
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}
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exitChan <- code
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}()
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code := <-shutdownCompleted
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log.Info2("Grafana shutdown completed.", "code", code)
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log.Close()
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os.Exit(code)
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}
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func listenToSystemSignals(server *GrafanaServerImpl, shutdownCompleted chan int) {
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var code int
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signalChan := make(chan os.Signal, 1)
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ignoreChan := make(chan os.Signal, 1)
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signal.Notify(ignoreChan, syscall.SIGHUP)
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signal.Notify(signalChan, os.Interrupt, os.Kill, syscall.SIGTERM)
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select {
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case sig := <-signalChan:
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trace.Stop() // Stops trace if profiling has been enabled
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server.Shutdown(0, fmt.Sprintf("system signal: %s", sig))
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shutdownCompleted <- 0
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case code = <-exitChan:
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trace.Stop() // Stops trace if profiling has been enabled
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server.Shutdown(code, "startup error")
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shutdownCompleted <- code
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}
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}
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