forked from grafana/grafana
-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
128 lines (108 loc) · 3.22 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
package main
import (
"flag"
"fmt"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"runtime"
"runtime/trace"
"strconv"
"syscall"
"time"
"github.com/grafana/grafana/pkg/extensions"
"github.com/grafana/grafana/pkg/log"
"github.com/grafana/grafana/pkg/metrics"
_ "github.com/grafana/grafana/pkg/services/alerting/conditions"
_ "github.com/grafana/grafana/pkg/services/alerting/notifiers"
"github.com/grafana/grafana/pkg/setting"
_ "github.com/grafana/grafana/pkg/tsdb/cloudwatch"
_ "github.com/grafana/grafana/pkg/tsdb/elasticsearch"
_ "github.com/grafana/grafana/pkg/tsdb/graphite"
_ "github.com/grafana/grafana/pkg/tsdb/influxdb"
_ "github.com/grafana/grafana/pkg/tsdb/mysql"
_ "github.com/grafana/grafana/pkg/tsdb/opentsdb"
_ "github.com/grafana/grafana/pkg/tsdb/postgres"
_ "github.com/grafana/grafana/pkg/tsdb/prometheus"
_ "github.com/grafana/grafana/pkg/tsdb/stackdriver"
_ "github.com/grafana/grafana/pkg/tsdb/testdata"
)
var version = "5.0.0"
var commit = "NA"
var buildBranch = "master"
var buildstamp string
var configFile = flag.String("config", "", "path to config file")
var homePath = flag.String("homepath", "", "path to grafana install/home path, defaults to working directory")
var pidFile = flag.String("pidfile", "", "path to pid file")
var packaging = flag.String("packaging", "unknown", "describes the way Grafana was installed")
func main() {
v := flag.Bool("v", false, "prints current version and exits")
profile := flag.Bool("profile", false, "Turn on pprof profiling")
profilePort := flag.Int("profile-port", 6060, "Define custom port for profiling")
flag.Parse()
if *v {
fmt.Printf("Version %s (commit: %s, branch: %s)\n", version, commit, buildBranch)
os.Exit(0)
}
if *profile {
runtime.SetBlockProfileRate(1)
go func() {
err := http.ListenAndServe(fmt.Sprintf("localhost:%d", *profilePort), nil)
if err != nil {
panic(err)
}
}()
f, err := os.Create("trace.out")
if err != nil {
panic(err)
}
defer f.Close()
err = trace.Start(f)
if err != nil {
panic(err)
}
defer trace.Stop()
}
buildstampInt64, _ := strconv.ParseInt(buildstamp, 10, 64)
if buildstampInt64 == 0 {
buildstampInt64 = time.Now().Unix()
}
setting.BuildVersion = version
setting.BuildCommit = commit
setting.BuildStamp = buildstampInt64
setting.BuildBranch = buildBranch
setting.IsEnterprise = extensions.IsEnterprise
setting.Packaging = validPackaging(*packaging)
metrics.SetBuildInformation(version, commit, buildBranch)
server := NewGrafanaServer()
go listenToSystemSignals(server)
err := server.Run()
code := server.Exit(err)
trace.Stop()
log.Close()
os.Exit(code)
}
func validPackaging(packaging string) string {
validTypes := []string{"dev", "deb", "rpm", "docker", "brew", "hosted", "unknown"}
for _, vt := range validTypes {
if packaging == vt {
return packaging
}
}
return "unknown"
}
func listenToSystemSignals(server *GrafanaServerImpl) {
signalChan := make(chan os.Signal, 1)
sighupChan := make(chan os.Signal, 1)
signal.Notify(sighupChan, syscall.SIGHUP)
signal.Notify(signalChan, os.Interrupt, syscall.SIGTERM)
for {
select {
case <-sighupChan:
log.Reload()
case sig := <-signalChan:
server.Shutdown(fmt.Sprintf("System signal: %s", sig))
}
}
}