portainer/api/http/handler/status/version.go

106 lines
2.6 KiB
Go

package status
import (
"encoding/json"
"net/http"
"strconv"
"github.com/coreos/go-semver/semver"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/build"
"github.com/portainer/portainer/api/http/client"
"github.com/portainer/libhttp/response"
log "github.com/sirupsen/logrus"
)
type versionResponse struct {
// Whether portainer has an update available
UpdateAvailable bool `json:"UpdateAvailable" example:"false"`
// The latest version available
LatestVersion string `json:"LatestVersion" example:"2.0.0"`
ServerVersion string
DatabaseVersion string
Build BuildInfo
}
type BuildInfo struct {
BuildNumber string
ImageTag string
NodejsVersion string
YarnVersion string
WebpackVersion string
GoVersion string
}
// @id Version
// @summary Check for portainer updates
// @description Check if portainer has an update available
// @description **Access policy**: authenticated
// @security ApiKeyAuth
// @security jwt
// @tags status
// @produce json
// @success 200 {object} versionResponse "Success"
// @router /status/version [get]
func (handler *Handler) version(w http.ResponseWriter, r *http.Request) {
result := &versionResponse{
ServerVersion: portainer.APIVersion,
DatabaseVersion: strconv.Itoa(portainer.DBVersion),
Build: BuildInfo{
BuildNumber: build.BuildNumber,
ImageTag: build.ImageTag,
NodejsVersion: build.NodejsVersion,
YarnVersion: build.YarnVersion,
WebpackVersion: build.WebpackVersion,
GoVersion: build.GoVersion,
},
}
latestVersion := getLatestVersion()
if hasNewerVersion(portainer.APIVersion, latestVersion) {
result.UpdateAvailable = true
result.LatestVersion = latestVersion
}
response.JSON(w, &result)
}
func getLatestVersion() string {
motd, err := client.Get(portainer.VersionCheckURL, 5)
if err != nil {
log.WithError(err).Debug("couldn't fetch latest Portainer release version")
return ""
}
var data struct {
TagName string `json:"tag_name"`
}
err = json.Unmarshal(motd, &data)
if err != nil {
log.WithError(err).Debug("couldn't parse latest Portainer version")
return ""
}
return data.TagName
}
func hasNewerVersion(currentVersion, latestVersion string) bool {
currentVersionSemver, err := semver.NewVersion(currentVersion)
if err != nil {
log.WithField("version", currentVersion).Debug("current Portainer version isn't a semver")
return false
}
latestVersionSemver, err := semver.NewVersion(latestVersion)
if err != nil {
log.WithField("version", latestVersion).Debug("latest Portainer version isn't a semver")
return false
}
return currentVersionSemver.LessThan(*latestVersionSemver)
}