func labelSelectorFromKubeware(localKubePath string) (string, string, string) {
md := template.ParseMetadata(localKubePath)
normalizedName, err := utils.NormalizeName(md.Name)
utils.CheckError(err)
labelSelector := fmt.Sprintf("kubeware=%s,kubeware-version=%s", normalizedName, md.Version)
return labelSelector, md.Name, md.Version
}
// CmdDelete implements 'delete' command
func CmdDelete(c *cli.Context) {
log.Debugf("deleting : %s", os.Getenv("KDEPLOY_KUBEWARE"))
var kubewareName string
var kubewareVersion string
var labelSelector string
var err error
namespace := os.Getenv("KDEPLOY_NAMESPACE")
kubeware := os.Getenv("KDEPLOY_KUBEWARE")
localKubePath, err := fetchers.Fetch(kubeware)
if err != nil {
log.Fatal(fmt.Errorf("Could not fetch kubeware: '%s' (%v)", kubeware, err))
}
if localKubePath != "" {
labelSelector, kubewareName, kubewareVersion = labelSelectorFromKubeware(localKubePath)
} else {
// could not be fetched so we will interpret it as a name
kubewareName, err = utils.NormalizeName(kubeware)
utils.CheckError(err)
labelSelector = labelSelectorFromName(kubewareName)
}
kubernetes, err := webservice.NewKubeClient()
utils.CheckError(err)
// get services which are currently deployed as part of the kube
serviceList, err := kubernetes.GetServicesForNamespace(namespace, labelSelector)
utils.CheckError(err)
log.Debugf("Services: %v", serviceList)
// get controllers which are currently deployed as part of the kube
controllerList, err := kubernetes.GetControllersForNamespace(namespace, labelSelector)
utils.CheckError(err)
log.Debugf("Controllers: %v", controllerList)
// If no resources found that means it's not deployed
if len(*serviceList) == 0 || len(*controllerList) == 0 {
var version string
if kubewareVersion != "" {
version = fmt.Sprintf(" (%s)", kubewareVersion)
}
log.Warnf("Could not delete kubeware '%s'%s since it is not currently deployed", kubewareName, version)
return
}
// delete them
ds := deletionStrategies.WaitZeroReplicasDeletionStrategy(kubernetes)
err = ds.Delete(namespace, svcNames(serviceList), rcNames(controllerList))
utils.CheckError(err)
log.Infof("Kubeware '%s.%s' has been deleted", namespace, kubewareName)
}
func (k *kubeClient) FindDeployedKubewareVersion(namespace, name string) (string, error) {
kubename, err := utils.NormalizeName(name)
if err != nil {
return "", err
}
versions := map[string]string{}
services, err := k.GetServicesForNamespace(namespace)
if err != nil {
return "", err
}
controllers, err := k.GetControllersForNamespace(namespace)
if err != nil {
return "", err
}
// Iterate over services and collect versions
for _, s := range *services {
n := s.GetKube()
v := s.GetVersion()
prev, found := versions[n]
// Check if version already found
if !found {
versions[n] = v
}
// Check if a different version was already found
if found && prev != v {
return "", fmt.Errorf("found more than one version of the same Kubeware (%s.%s %s/%s)", namespace, kubename, prev, v)
}
}
// Iterate over controllers and collect versions
for _, c := range *controllers {
n := c.GetKube()
v := c.GetVersion()
prev, found := versions[n]
// Check if version already found
if !found {
versions[n] = v
}
// Check if a different version was already found
if found && prev != v {
return "", fmt.Errorf("found more than one version of the same Kubeware (%s.%s %s/%s)", namespace, kubename, prev, v)
}
}
v, found := versions[kubename]
if !found {
return "", nil
}
return v, nil
}
func addKubewareLabel(name, version string, specmap map[string]interface{}) error {
fixedName, err := utils.NormalizeName(name)
if err != nil {
return err
}
metadata := specmap["metadata"].(map[string]interface{})
if metadata["labels"] != nil {
labels := metadata["labels"].(map[string]interface{})
labels["kubeware"] = fixedName
labels["kubeware-version"] = version
} else {
metadata["labels"] = map[string]interface{}{
"kubeware": fixedName,
"kubeware-version": version,
}
}
return nil
}