forked from coop-cloud/abra
pass all errors to the Command function
This commit is contained in:
parent
9564673a10
commit
5a7fe9971a
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@ -63,9 +63,15 @@ var Notify = cli.Command{
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}
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for _, stackInfo := range stacks {
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stackName := stackInfo.Name
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recipeName := getLabel(cl, stackName, "recipe")
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recipeName, err := getLabel(cl, stackName, "recipe")
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if err != nil {
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logrus.Fatal(err)
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}
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if recipeName != "" {
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getLatestUpgrade(cl, stackName, recipeName)
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_, err = getLatestUpgrade(cl, stackName, recipeName)
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if err != nil {
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logrus.Fatal(err)
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}
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}
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}
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return nil
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@ -120,47 +126,51 @@ var UpgradeApp = cli.Command{
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},
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}
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func getLabel(cl *dockerclient.Client, stackName string, label string) string {
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// getLabel reads docker label in the format coop-cloud.${STACK_NAME}.${LABEL}
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func getLabel(cl *dockerclient.Client, stackName string, label string) (string, error) {
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filter := filters.NewArgs()
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filter.Add("label", fmt.Sprintf("%s=%s", convert.LabelNamespace, stackName))
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services, err := cl.ServiceList(context.Background(), types.ServiceListOptions{Filters: filter})
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if err != nil {
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logrus.Fatal(err)
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return "", err
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}
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for _, service := range services {
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labelKey := fmt.Sprintf("coop-cloud.%s.%s", stackName, label)
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if labelValue, ok := service.Spec.Labels[labelKey]; ok {
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return labelValue
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return labelValue, nil
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}
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}
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logrus.Debugf("no %s label found for %s", label, stackName)
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return ""
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return "", nil
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}
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func getBoolLabel(cl *dockerclient.Client, stackName string, label string) bool {
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lableValue := getLabel(cl, stackName, label)
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// getBoolLabel reads a boolean docker label
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func getBoolLabel(cl *dockerclient.Client, stackName string, label string) (bool, error) {
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lableValue, err := getLabel(cl, stackName, label)
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if err != nil {
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return false, err
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}
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if lableValue != "" {
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value, err := strconv.ParseBool(lableValue)
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if err != nil {
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logrus.Fatal(err)
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return false, err
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}
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return value
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return value, nil
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}
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return false
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logrus.Debugf("Boolean label %s could not be found for %s, set default to false.", label, stackName)
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return false, nil
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}
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func getEnv(cl *dockerclient.Client, stackName string) config.AppEnv {
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// getEnv reads Env variables from docker services
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func getEnv(cl *dockerclient.Client, stackName string) (config.AppEnv, error) {
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envMap := make(map[string]string)
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filter := filters.NewArgs()
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filter.Add("label", fmt.Sprintf("%s=%s", convert.LabelNamespace, stackName))
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services, err := cl.ServiceList(context.Background(), types.ServiceListOptions{Filters: filter})
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if err != nil {
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logrus.Fatal(err)
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return nil, err
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}
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for _, service := range services {
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envList := service.Spec.TaskTemplate.ContainerSpec.Env
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@ -176,17 +186,23 @@ func getEnv(cl *dockerclient.Client, stackName string) config.AppEnv {
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envMap[k] = v
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}
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}
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return envMap
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return envMap, nil
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}
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func getLatestUpgrade(cl *dockerclient.Client, stackName string, recipeName string) string {
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deployedVersion := getDeployedVersion(cl, stackName, recipeName)
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availableUpgrades := getAvailableUpgrades(cl, stackName, recipeName, deployedVersion)
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// getLatestUpgrade returns the latest available version for an app regarding to the --major flag
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// if it is newer than the currently deployed version
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func getLatestUpgrade(cl *dockerclient.Client, stackName string, recipeName string) (string, error) {
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deployedVersion, err := getDeployedVersion(cl, stackName, recipeName)
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if err != nil {
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return "", err
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}
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availableUpgrades, err := getAvailableUpgrades(cl, stackName, recipeName, deployedVersion)
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if err != nil {
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return "", err
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}
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if len(availableUpgrades) == 0 {
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logrus.Debugf("no available upgrades for %s", stackName)
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return ""
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return "", nil
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}
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// Uncomment to select the next version instead of the last version
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// availableUpgrades = internal.ReverseStringList(availableUpgrades)
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@ -195,42 +211,42 @@ func getLatestUpgrade(cl *dockerclient.Client, stackName string, recipeName stri
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chosenUpgrade = availableUpgrades[len(availableUpgrades)-1]
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logrus.Infof("%s (%s) can be upgraded from version %s to %s", stackName, recipeName, deployedVersion, chosenUpgrade)
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}
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return chosenUpgrade
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return chosenUpgrade, nil
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}
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func getDeployedVersion(cl *dockerclient.Client, stackName string, recipeName string) string {
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// getDeployedVersion returns the currently deployed version of an app
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func getDeployedVersion(cl *dockerclient.Client, stackName string, recipeName string) (string, error) {
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logrus.Debugf("Retrieve deployed version whether %s is already deployed", stackName)
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isDeployed, deployedVersion, err := stack.IsDeployed(context.Background(), cl, stackName)
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if err != nil {
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logrus.Fatal(err)
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return "", err
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}
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if !isDeployed {
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logrus.Fatalf("%s is not deployed?", stackName)
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return "", fmt.Errorf("%s is not deployed?", stackName)
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}
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if deployedVersion == "unknown" {
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logrus.Fatalf("failed to determine deployed version of %s", stackName)
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return "", fmt.Errorf("failed to determine deployed version of %s", stackName)
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}
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return deployedVersion
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return deployedVersion, nil
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}
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// getAvailableUpgrades returns all available versions of an app that are newer than
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// the deployed version. It only includes major steps if the --major flag is set.
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func getAvailableUpgrades(cl *dockerclient.Client, stackName string, recipeName string,
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deployedVersion string) []string {
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deployedVersion string) ([]string, error) {
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catl, err := recipe.ReadRecipeCatalogue()
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if err != nil {
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logrus.Fatal(err)
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return nil, err
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}
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versions, err := recipe.GetRecipeCatalogueVersions(recipeName, catl)
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if err != nil {
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logrus.Fatal(err)
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return nil, err
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}
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if len(versions) == 0 {
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logrus.Fatalf("no published releases for %s in the recipe catalogue?", recipeName)
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return nil, fmt.Errorf("no published releases for %s in the recipe catalogue?", recipeName)
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}
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var availableUpgrades []string
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@ -238,15 +254,15 @@ func getAvailableUpgrades(cl *dockerclient.Client, stackName string, recipeName
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for _, version := range versions {
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parsedDeployedVersion, err := tagcmp.Parse(deployedVersion)
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if err != nil {
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logrus.Fatal(err)
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return nil, err
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}
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parsedVersion, err := tagcmp.Parse(version)
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if err != nil {
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logrus.Fatal(err)
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return nil, err
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}
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versionDelta, err := parsedDeployedVersion.UpgradeDelta(parsedVersion)
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if err != nil {
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logrus.Fatal(err)
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return nil, err
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}
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if 0 < versionDelta.UpgradeType() && (versionDelta.UpgradeType() < 4 || majorUpdate) {
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availableUpgrades = append(availableUpgrades, version)
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@ -254,87 +270,100 @@ func getAvailableUpgrades(cl *dockerclient.Client, stackName string, recipeName
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}
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logrus.Debugf("Available updates for %s: %s", stackName, availableUpgrades)
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return availableUpgrades
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return availableUpgrades, nil
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}
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func processRecipeRepoVersion(recipeName string, version string) {
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// processRecipeRepoVersion clones, pulls, checks out the version and lints the recipe repository
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func processRecipeRepoVersion(recipeName string, version string) error {
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if err := recipe.EnsureExists(recipeName); err != nil {
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logrus.Fatal(err)
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return err
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}
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if err := recipe.EnsureUpToDate(recipeName); err != nil {
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logrus.Fatal(err)
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return err
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}
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if err := recipe.EnsureVersion(recipeName, version); err != nil {
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logrus.Fatal(err)
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return err
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}
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if r, err := recipe.Get(recipeName); err != nil {
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logrus.Fatal(err)
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return err
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} else if err := lint.LintForErrors(r); err != nil {
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logrus.Fatal(err)
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return err
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}
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return nil
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}
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func mergeAbraShEnv(recipeName string, env config.AppEnv) {
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// mergeAbraShEnv merges abra.sh env's into the app env's
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func mergeAbraShEnv(recipeName string, env config.AppEnv) error {
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abraShPath := fmt.Sprintf("%s/%s/%s", config.RECIPES_DIR, recipeName, "abra.sh")
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abraShEnv, err := config.ReadAbraShEnvVars(abraShPath)
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if err != nil {
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logrus.Fatal(err)
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return err
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}
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for k, v := range abraShEnv {
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logrus.Debugf("read v:%s k: %s", v, k)
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env[k] = v
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}
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return nil
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}
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func createDeployConfig(recipeName string, stackName string, env config.AppEnv) (*composetypes.Config, stack.Deploy) {
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// createDeployConfig merges and enriches the compose config for the deployment
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func createDeployConfig(recipeName string, stackName string, env config.AppEnv) (*composetypes.Config, stack.Deploy, error) {
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// Workaround, is there a better way?
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env["STACK_NAME"] = stackName
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composeFiles, err := config.GetAppComposeFiles(recipeName, env)
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if err != nil {
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logrus.Fatal(err)
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}
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deployOpts := stack.Deploy{
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Composefiles: composeFiles,
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Namespace: stackName,
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Prune: false,
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ResolveImage: stack.ResolveImageAlways,
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}
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composeFiles, err := config.GetAppComposeFiles(recipeName, env)
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if err != nil {
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return nil, deployOpts, err
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}
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deployOpts.Composefiles = composeFiles
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compose, err := config.GetAppComposeConfig(stackName, deployOpts, env)
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if err != nil {
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logrus.Fatal(err)
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return nil, deployOpts, err
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}
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config.ExposeAllEnv(stackName, compose, env)
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// after the upgrade the deployment won't be in chaos state anymore
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config.SetChaosLabel(compose, stackName, false)
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config.SetRecipeLabel(compose, stackName, recipeName)
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config.SetUpdateLabel(compose, stackName, env)
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return compose, deployOpts
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return compose, deployOpts, nil
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}
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}
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func upgrade(cl *dockerclient.Client, stackName string, recipeName string, upgradeVersion string) {
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// upgrade performs all necessary steps to upgrade an app
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func upgrade(cl *dockerclient.Client, stackName string, recipeName string, upgradeVersion string) error {
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env, err := getEnv(cl, stackName)
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if err != nil {
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return err
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}
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app := config.App{
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Name: stackName,
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Recipe: recipeName,
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Env: getEnv(cl, stackName),
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Server: SERVER,
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Env: env,
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}
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processRecipeRepoVersion(recipeName, upgradeVersion)
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if err = processRecipeRepoVersion(recipeName, upgradeVersion); err != nil {
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return err
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}
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mergeAbraShEnv(recipeName, app.Env)
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if err = mergeAbraShEnv(recipeName, app.Env); err != nil {
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return err
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}
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compose, deployOpts := createDeployConfig(recipeName, stackName, app.Env)
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compose, deployOpts, err := createDeployConfig(recipeName, stackName, app.Env)
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if err != nil {
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return err
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}
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logrus.Infof("Upgrade %s (%s) to version %s", stackName, recipeName, upgradeVersion)
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if err := stack.RunDeploy(cl, deployOpts, compose, stackName, true); err != nil {
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logrus.Fatal(err)
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}
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err = stack.RunDeploy(cl, deployOpts, compose, stackName, true)
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return err
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}
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func newAbraApp(version, commit string) *cli.App {
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