Files
grafana/pkg/plugins/update_checker.go
2016-04-11 13:42:52 -04:00

111 lines
2.5 KiB
Go

package plugins
import (
"encoding/json"
"io/ioutil"
"net/http"
"strings"
"time"
"github.com/grafana/grafana/pkg/log"
"github.com/grafana/grafana/pkg/setting"
)
type GrafanaNetPlugins struct {
Plugins []GrafanaNetPlugin `json:"plugins"`
}
type GrafanaNetPlugin struct {
Id string `json:"id"`
Versions []GrafanaNetPluginVersion `json:"versions"`
}
type GrafanaNetPluginVersion struct {
Version string `json:"version"`
}
type GithubLatest struct {
Stable string `json:"stable"`
Testing string `json:"testing"`
}
func StartPluginUpdateChecker() {
if !setting.CheckForUpdates {
return
}
ticker := time.NewTicker(time.Second * 24)
for {
select {
case <-ticker.C:
checkForUpdates()
}
}
}
func checkForUpdates() {
log.Trace("Checking for updates")
client := http.Client{Timeout: time.Duration(5 * time.Second)}
resp, err := client.Get("https://grafana.net/api/plugins/repo")
if err != nil {
log.Trace("Failed to get plugins repo from grafana.net, %v", err.Error())
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Trace("Update check failed, reading response from grafana.net, %v", err.Error())
return
}
var data GrafanaNetPlugins
err = json.Unmarshal(body, &data)
if err != nil {
log.Trace("Failed to unmarshal plugin repo, reading response from grafana.net, %v", err.Error())
return
}
for _, plug := range Plugins {
for _, gplug := range data.Plugins {
if gplug.Id == plug.Id {
if len(gplug.Versions) > 0 {
plug.GrafanaNetVersion = gplug.Versions[0].Version
plug.GrafanaNetHasUpdate = plug.Info.Version != plug.GrafanaNetVersion
}
}
}
}
resp2, err := client.Get("https://raw.githubusercontent.com/grafana/grafana/master/latest.json")
if err != nil {
log.Trace("Failed to get lates.json repo from github: %v", err.Error())
return
}
defer resp2.Body.Close()
body, err = ioutil.ReadAll(resp2.Body)
if err != nil {
log.Trace("Update check failed, reading response from github.net, %v", err.Error())
return
}
var githubLatest GithubLatest
err = json.Unmarshal(body, &githubLatest)
if err != nil {
log.Trace("Failed to unmarshal github latest, reading response from github: %v", err.Error())
return
}
if strings.Contains(setting.BuildVersion, "-") {
GrafanaLatestVersion = githubLatest.Testing
GrafanaHasUpdate = githubLatest.Testing != setting.BuildVersion
} else {
GrafanaLatestVersion = githubLatest.Stable
GrafanaHasUpdate = githubLatest.Stable != setting.BuildVersion
}
}