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New input for installing a specific emulator version (#53)
* Install specific emulator version * Fix commit * * * Fix E2E test workflow * * * Docker volume compatible folder move * Good old mv * * * * * * * * * *
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| package emuinstaller | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
| "regexp" | ||
| "runtime" | ||
| "strconv" | ||
| "time" | ||
|
|
||
| v1command "github.com/bitrise-io/go-utils/command" | ||
| "github.com/bitrise-io/go-utils/v2/command" | ||
| "github.com/bitrise-io/go-utils/v2/log" | ||
| "github.com/hashicorp/go-retryablehttp" | ||
| ) | ||
|
|
||
| type EmuInstaller struct { | ||
| androidHome string | ||
| cmdFactory command.Factory | ||
| logger log.Logger | ||
| httpClient *retryablehttp.Client | ||
| } | ||
|
|
||
| const backupDir = "emulator_original" | ||
| const outputBuildIdRegex = "\\(build_id (\\d+)\\)" | ||
|
|
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| func NewEmuInstaller(androidHome string, cmdFactory command.Factory, logger log.Logger, httpClient *retryablehttp.Client) EmuInstaller { | ||
| return EmuInstaller{androidHome: androidHome, cmdFactory: cmdFactory, logger: logger, httpClient: httpClient} | ||
| } | ||
|
|
||
| func (e EmuInstaller) Install(buildNumber string) error { | ||
| _, err := strconv.Atoi(buildNumber) | ||
| if err != nil { | ||
| return fmt.Errorf("the provided build number (%s) is not a number. Did you use the VERSION number instead of the BUILD number maybe?", buildNumber) | ||
| } | ||
|
|
||
| startTime := time.Now() | ||
|
|
||
| installed, err := e.isVersionInstalled(buildNumber) | ||
| if err != nil { | ||
| e.logger.Warnf("Error checking if emulator build %s is installed: %w", buildNumber, err) | ||
| // Assume not installed and continue | ||
| } | ||
| if installed { | ||
| e.logger.Donef("Emulator build %s is already installed", buildNumber) | ||
| return nil | ||
| } | ||
|
|
||
| err = e.backupEmuDir() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| e.logger.Println() | ||
| e.logger.Printf("Downloading emulator build %s...", buildNumber) | ||
| err = e.download(buildNumber) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| e.logger.Donef("Done in %s", time.Since(startTime).Round(time.Millisecond)) | ||
|
|
||
| isInstalled, err := e.isVersionInstalled(buildNumber) | ||
| if err != nil { | ||
| return fmt.Errorf("check if version is correct after install: %w", err) | ||
| } | ||
| if !isInstalled { | ||
| return fmt.Errorf("version mismatch after install") | ||
| } | ||
|
|
||
| e.logger.Println() | ||
| return nil | ||
| } | ||
|
|
||
| func (e EmuInstaller) isVersionInstalled(buildNumber string) (bool, error) { | ||
| emuBinPath := filepath.Join(e.androidHome, "emulator", "emulator") | ||
| versionCmd := e.cmdFactory.Create(emuBinPath, []string{"-version"}, nil) | ||
| versionOut, err := versionCmd.RunAndReturnTrimmedCombinedOutput() | ||
| if err != nil { | ||
| return false, fmt.Errorf("check emulator version: %w, output: %s", err, versionOut) | ||
| } | ||
|
|
||
| matches := regexp.MustCompile(outputBuildIdRegex).FindStringSubmatch(versionOut) | ||
| if len(matches) < 2 { | ||
| return false, fmt.Errorf("build number not found in emulator version output: %s", versionOut) | ||
| } | ||
|
|
||
| detectedBuildNumber := matches[1] | ||
| return detectedBuildNumber == buildNumber, nil | ||
| } | ||
|
|
||
| func (e EmuInstaller) backupEmuDir() error { | ||
| backupPath := filepath.Join(e.androidHome, backupDir) | ||
| err := os.RemoveAll(backupPath) | ||
| if err != nil { | ||
| if !errors.Is(err, os.ErrNotExist) { | ||
| return fmt.Errorf("remove existing emulator backup at %s: %w", backupPath, err) | ||
| } | ||
| } | ||
|
|
||
| _, err = os.Stat(filepath.Join(e.androidHome, "emulator")) | ||
| if err != nil { | ||
| if errors.Is(err, os.ErrNotExist) { | ||
| // Nothing to backup | ||
| return nil | ||
| } | ||
| return fmt.Errorf("check if emulator exists: %w", err) | ||
| } | ||
| // https://stackoverflow.com/questions/73981482/moving-a-file-in-a-container-to-a-folder-that-has-a-mounted-volume-docker | ||
| out, err := e.cmdFactory.Create( | ||
| "mv", | ||
| []string{filepath.Join(e.androidHome, "emulator"), backupPath}, | ||
| nil, | ||
| ).RunAndReturnTrimmedCombinedOutput() | ||
|
|
||
| if err != nil { | ||
| return fmt.Errorf("backup existing emulator: %s", out) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (e EmuInstaller) download(buildNumber string) error { | ||
| goos := runtime.GOOS | ||
| var arch string | ||
| goarch := runtime.GOARCH | ||
| switch goarch { | ||
| case "amd64": | ||
| arch = "x64" | ||
| case "arm": | ||
| arch = "aarch64" | ||
| default: | ||
| return fmt.Errorf("unsupported architecture %s", goarch) | ||
| } | ||
|
|
||
| url := downloadURL(goos, arch, buildNumber) | ||
|
|
||
| downloadDir, err := os.MkdirTemp("", "emulator") | ||
| if err != nil { | ||
| return fmt.Errorf("create temp dir: %w", err) | ||
| } | ||
| zipPath := filepath.Join(downloadDir, "emulator.zip") | ||
|
|
||
| resp, err := e.httpClient.Get(url) | ||
| if err != nil { | ||
| return fmt.Errorf("download emulator from %s: %w", url, err) | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| file, err := os.Create(zipPath) | ||
| if err != nil { | ||
| return fmt.Errorf("create file %s: %w", zipPath, err) | ||
| } | ||
| defer file.Close() | ||
| _, err = io.Copy(file, resp.Body) | ||
| if err != nil { | ||
| return fmt.Errorf("download %s to %s: %w", url, zipPath, err) | ||
| } | ||
|
|
||
| err = v1command.UnZIP(zipPath, e.androidHome) | ||
| if err != nil { | ||
| return fmt.Errorf("unzip emulator: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func downloadURL(os, arch, buildNumber string) string { | ||
| // https://developer.android.com/studio/emulator_archive | ||
| return fmt.Sprintf("https://redirector.gvt1.com/edgedl/android/repository/emulator-%s_%s-%s.zip", os, arch, buildNumber) | ||
| } |
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