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Check for newer version available (#47)

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* Add helm version requirement notes

* Check for newer version and offer upgrade

* fix lint
This commit is contained in:
Andrey Pokhilko
2022-10-26 12:35:07 +01:00
committed by GitHub
parent b0067e31ba
commit de0024cd03
8 changed files with 96 additions and 19 deletions
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49
pkg/dashboard/server.go
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@@ -2,13 +2,16 @@ package dashboard
import (
"context"
"encoding/json"
"github.com/gin-gonic/gin"
"github.com/hashicorp/go-version"
"github.com/komodorio/helm-dashboard/pkg/dashboard/scanners"
"github.com/komodorio/helm-dashboard/pkg/dashboard/subproc"
"github.com/komodorio/helm-dashboard/pkg/dashboard/utils"
log "github.com/sirupsen/logrus"
"net/http"
"os"
"time"
)
func StartServer(version string) (string, utils.ControlChan) {
@@ -19,6 +22,9 @@ func StartServer(version string) (string, utils.ControlChan) {
os.Exit(1) // TODO: propagate error instead?
}
data.VersionInfo = &subproc.VersionInfo{CurVer: version}
go checkUpgrade(data.VersionInfo)
discoverScanners(&data)
address := os.Getenv("HD_BIND")
@@ -33,7 +39,7 @@ func StartServer(version string) (string, utils.ControlChan) {
}
abort := make(utils.ControlChan)
api := NewRouter(abort, &data, version)
api := NewRouter(abort, &data)
done := startBackgroundServer(address, api, abort)
return "http://" + address, done
@@ -75,3 +81,44 @@ func discoverScanners(data *subproc.DataLayer) {
}
}
}
func checkUpgrade(d *subproc.VersionInfo) {
url := "https://api.github.com/repos/komodorio/helm-dashboard/releases/latest"
type GHRelease struct {
Name string `json:"name"`
}
var myClient = &http.Client{Timeout: 5 * time.Second}
r, err := myClient.Get(url)
if err != nil {
log.Warnf("Failed to check for new version: %s", err)
return
}
defer r.Body.Close()
target := new(GHRelease)
err = json.NewDecoder(r.Body).Decode(target)
if err != nil {
log.Warnf("Failed to decode new release version: %s", err)
return
}
d.LatestVer = target.Name
v1, err := version.NewVersion(d.CurVer)
if err != nil {
log.Warnf("Failed to parse version: %s", err)
v1 = &version.Version{}
}
v2, err := version.NewVersion(d.LatestVer)
if err != nil {
log.Warnf("Failed to parse version: %s", err)
} else {
if v1.LessThan(v2) {
log.Warnf("Newer Helm Dashboard version is available: %s", d.LatestVer)
log.Warnf("Upgrade instructions: https://github.com/komodorio/helm-dashboard#installing")
} else {
log.Debugf("Got latest version from GH: %s", d.LatestVer)
}
}
}