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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| // Copyright © 2018 NAME HERE <EMAIL ADDRESS> | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "github.com/coreos/go-semver/semver" | ||
| "github.com/google/go-github/v20/github" | ||
| "github.com/pkg/errors" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
| "gopkg.in/inconshreveable/go-update.v0" | ||
| "runtime" | ||
|
|
||
| "github.com/naveego/bosun/pkg" | ||
| "github.com/hashicorp/go-getter" | ||
| "github.com/spf13/cobra" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| var metaCmd = addCommand(rootCmd, &cobra.Command{ | ||
| Use: "meta", | ||
| Short: "Commands for managing bosun itself.", | ||
|
|
||
| }) | ||
|
|
||
| var metaVersionCmd = addCommand(metaCmd, &cobra.Command{ | ||
| Use: "version", | ||
| Short: "Shows bosun version", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| fmt.Printf(`Version: %s\n | ||
| Timestamp: %s\n | ||
| Commit: %s\n | ||
| `, Version, Timestamp, Commit) | ||
| }, | ||
| }) | ||
|
|
||
| var metaUpgradeCmd = addCommand(metaCmd, &cobra.Command{ | ||
| Use:"upgrade", | ||
| Short:"Upgrades bosun if a newer release is available", | ||
| SilenceUsage:true, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
|
|
||
| client := mustGetGithubClient() | ||
| ctx, _ := context.WithTimeout(context.Background(), 5*time.Second) | ||
| var err error | ||
| if Version == "" { | ||
| Version, err = pkg.NewCommand("bosun", "app", "version", "bosun").RunOut() | ||
| if err != nil { | ||
| return errors.Wrap(err, "could not get version") | ||
| } | ||
| } | ||
|
|
||
| currentVersion, err := semver.NewVersion(Version) | ||
|
|
||
| releases, _, err := client.Repositories.ListReleases(ctx, "naveego", "bosun", nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| var release *github.RepositoryRelease | ||
| var upgradeAvailable bool | ||
| for _, release = range releases { | ||
| tag := release.GetTagName() | ||
| tagVersion, err := semver.NewVersion(strings.TrimLeft(tag, "v")) | ||
| if err != nil{ | ||
| continue | ||
| } | ||
| if currentVersion.LessThan(*tagVersion){ | ||
| upgradeAvailable = true | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if !upgradeAvailable { | ||
| fmt.Printf("Current version (%s) is up-to-date.\n", Version) | ||
| return nil | ||
| } | ||
|
|
||
| pkg.Log.Infof("Found upgrade: %s", release.GetTagName()) | ||
|
|
||
|
|
||
| expectedAssetName := fmt.Sprintf("bosun_%s_%s_%s.tar.gz", release.GetTagName(), runtime.GOOS, runtime.GOARCH) | ||
| var foundAsset bool | ||
| var asset github.ReleaseAsset | ||
| for _, asset = range release.Assets { | ||
| name := asset.GetName() | ||
| if name == expectedAssetName { | ||
| foundAsset = true | ||
| break | ||
| } | ||
| } | ||
| if !foundAsset { | ||
| return errors.Errorf("could not find an asset with name %q", expectedAssetName) | ||
| } | ||
|
|
||
| j, _ := json.MarshalIndent(asset, "", " ") | ||
| fmt.Println(string(j)) | ||
|
|
||
|
|
||
| tempDir, err := ioutil.TempDir(os.TempDir(), "bosun-upgrade") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer os.RemoveAll(tempDir) | ||
|
|
||
| downloadURL := asset.GetBrowserDownloadURL() | ||
| pkg.Log.Infof("Found upgrade asset, will download from %q to %q", downloadURL, tempDir) | ||
|
|
||
|
|
||
| err = getter.Get(tempDir, "http::"+downloadURL) | ||
| if err != nil { | ||
| return errors.Errorf("error downloading from %q: %s", downloadURL, err) | ||
| } | ||
|
|
||
| executable, err := os.Executable() | ||
| if err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
|
|
||
| newVersion := filepath.Join(tempDir, filepath.Base(executable)) | ||
|
|
||
| err, errRecover := update.New().FromFile(newVersion) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if errRecover != nil { | ||
| return errRecover | ||
| } | ||
|
|
||
| fmt.Println("Upgrade completed.") | ||
|
|
||
| return nil | ||
| }, | ||
| }) |
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