kubeshark/cli/mizu/version/versionCheck.go
2021-12-09 12:11:36 +02:00

109 lines
3.2 KiB
Go

package version
import (
"context"
"fmt"
"io/ioutil"
"net/http"
"os"
"runtime"
"strings"
"time"
"github.com/up9inc/mizu/cli/apiserver"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/shared/logger"
"github.com/google/go-github/v37/github"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared/semver"
)
func CheckVersionCompatibility(apiServerProvider *apiserver.Provider) (bool, error) {
apiSemVer, err := apiServerProvider.GetVersion()
if err != nil {
return false, err
}
if !semver.SemVersion(apiSemVer).IsValid() {
logger.Log.Errorf(uiUtils.Red, fmt.Sprintf("api version (%s) is not a valid SemVer", apiSemVer))
return false, nil
}
if semver.SemVersion(apiSemVer).Major() == semver.SemVersion(mizu.SemVer).Major() &&
semver.SemVersion(apiSemVer).Minor() == semver.SemVersion(mizu.SemVer).Minor() {
return true, nil
}
logger.Log.Errorf(uiUtils.Red, fmt.Sprintf("cli version (%s) is not compatible with api version (%s)", mizu.SemVer, apiSemVer))
return false, nil
}
func CheckNewerVersion(versionChan chan string) {
if _, present := os.LookupEnv(mizu.DEVENVVAR); present {
versionChan <- ""
return
}
logger.Log.Debugf("Checking for newer version...")
start := time.Now()
client := github.NewClient(nil)
latestRelease, _, err := client.Repositories.GetLatestRelease(context.Background(), "up9inc", "mizu")
if err != nil {
logger.Log.Debugf("[ERROR] Failed to get latest release")
versionChan <- ""
return
}
versionFileUrl := ""
for _, asset := range latestRelease.Assets {
if *asset.Name == "version.txt" {
versionFileUrl = *asset.BrowserDownloadURL
break
}
}
if versionFileUrl == "" {
logger.Log.Debugf("[ERROR] Version file not found in the latest release")
versionChan <- ""
return
}
res, err := http.Get(versionFileUrl)
if err != nil {
logger.Log.Debugf("[ERROR] Failed to get the version file %v", err)
versionChan <- ""
return
}
data, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
logger.Log.Debugf("[ERROR] Failed to read the version file -> %v", err)
versionChan <- ""
return
}
gitHubVersion := string(data)
gitHubVersion = gitHubVersion[:len(gitHubVersion)-1]
gitHubVersionSemVer := semver.SemVersion(gitHubVersion)
currentSemVer := semver.SemVersion(mizu.SemVer)
if !gitHubVersionSemVer.IsValid() || !currentSemVer.IsValid() {
logger.Log.Debugf("[ERROR] Semver version is not valid, github version %v, current version %v", gitHubVersion, currentSemVer)
versionChan <- ""
return
}
logger.Log.Debugf("Finished version validation, github version %v, current version %v, took %v", gitHubVersion, currentSemVer, time.Since(start))
if gitHubVersionSemVer.GreaterThan(currentSemVer) {
var downloadMessage string
if runtime.GOOS == "windows" {
downloadMessage = fmt.Sprintf("curl -LO %v/mizu.exe", strings.Replace(*latestRelease.HTMLURL, "tag", "download", 1))
} else {
downloadMessage = fmt.Sprintf("curl -Lo mizu %v/mizu_%s_%s && chmod 755 mizu", strings.Replace(*latestRelease.HTMLURL, "tag", "download", 1), runtime.GOOS, runtime.GOARCH)
}
versionChan <- fmt.Sprintf("Update available! %v -> %v (%s)", mizu.SemVer, gitHubVersion, downloadMessage)
} else {
versionChan <- ""
}
}