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Implement application controller installer (#8)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,135 +1,44 @@ | ||
| package commands | ||
|
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| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
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| "github.com/argoproj/argo-cd/pkg/apis/application" | ||
| appv1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1" | ||
| "github.com/ghodss/yaml" | ||
| log "github.com/sirupsen/logrus" | ||
| "github.com/argoproj/argo-cd/common" | ||
| "github.com/spf13/cobra" | ||
| apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1" | ||
| apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset" | ||
| apierr "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| // InstallFlags has all the required parameters for installing Argo CD. | ||
| type InstallFlags struct { | ||
| DryRun bool // --dry-run | ||
| } | ||
| var ( | ||
| // These values may be overridden by the link flags during build | ||
| // (e.g. imageTag will use the official release tag on tagged builds) | ||
| imageNamespace = "argoproj" | ||
| imageTag = "latest" | ||
|
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| // These are the default image names which `argo install` uses during install | ||
| DefaultControllerImage = imageNamespace + "/argocd-application-controller:" + imageTag | ||
| ) | ||
|
|
||
| // NewInstallCommand returns a new instance of `argocd install` command | ||
| func NewInstallCommand(globalArgs *globalFlags) *cobra.Command { | ||
| var ( | ||
| installArgs InstallFlags | ||
| installParams common.InstallParameters | ||
| ) | ||
| var command = &cobra.Command{ | ||
| Use: "install", | ||
| Short: "Install the argocd components", | ||
| Long: "Install the argocd components", | ||
| Run: func(c *cobra.Command, args []string) { | ||
| extensionsClient := apiextensionsclient.NewForConfigOrDie(GetKubeConfig(globalArgs.kubeConfigPath, globalArgs.kubeConfigOverrides)) | ||
| installAppCRD(extensionsClient, installArgs) | ||
| installClusterCRD(extensionsClient, installArgs) | ||
| conf := GetKubeConfig(globalArgs.kubeConfigPath, globalArgs.kubeConfigOverrides) | ||
| extensionsClient := apiextensionsclient.NewForConfigOrDie(conf) | ||
| kubeClient := kubernetes.NewForConfigOrDie(conf) | ||
| common.NewInstaller(extensionsClient, kubeClient).Install(installParams) | ||
| }, | ||
| } | ||
| command.Flags().BoolVar(&installArgs.DryRun, "dry-run", false, "print the kubernetes manifests to stdout instead of installing") | ||
| command.Flags().BoolVar(&installParams.Upgrade, "upgrade", false, "upgrade controller/ui deployments and configmap if already installed") | ||
| command.Flags().BoolVar(&installParams.DryRun, "dry-run", false, "print the kubernetes manifests to stdout instead of installing") | ||
| command.Flags().StringVar(&installParams.Namespace, "install-namespace", common.DefaultControllerNamespace, "install into a specific Namespace") | ||
| command.Flags().StringVar(&installParams.ControllerName, "controller-name", common.DefaultControllerDeploymentName, "name of controller deployment") | ||
| command.Flags().StringVar(&installParams.ControllerImage, "controller-image", DefaultControllerImage, "use a specified controller image") | ||
| command.Flags().StringVar(&installParams.ServiceAccount, "service-account", "", "use a specified service account for the workflow-controller deployment") | ||
|
|
||
| return command | ||
| } | ||
|
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| func installAppCRD(extensionsClient *apiextensionsclient.Clientset, args InstallFlags) { | ||
| applicationCRD := apiextensionsv1beta1.CustomResourceDefinition{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| APIVersion: "apiextensions.k8s.io/v1alpha1", | ||
| Kind: "CustomResourceDefinition", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: application.ApplicationFullName, | ||
| }, | ||
| Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{ | ||
| Group: application.Group, | ||
| Version: appv1.SchemeGroupVersion.Version, | ||
| Scope: apiextensionsv1beta1.NamespaceScoped, | ||
| Names: apiextensionsv1beta1.CustomResourceDefinitionNames{ | ||
| Plural: application.ApplicationPlural, | ||
| Kind: application.ApplicationKind, | ||
| ShortNames: []string{application.ApplicationShortName}, | ||
| }, | ||
| }, | ||
| } | ||
| createCRDHelper(extensionsClient, &applicationCRD, args.DryRun) | ||
| } | ||
|
|
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| func installClusterCRD(extensionsClient *apiextensionsclient.Clientset, args InstallFlags) { | ||
| clusterCRD := apiextensionsv1beta1.CustomResourceDefinition{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| APIVersion: "apiextensions.k8s.io/v1alpha1", | ||
| Kind: "CustomResourceDefinition", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: application.ClusterFullName, | ||
| }, | ||
| Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{ | ||
| Group: application.Group, | ||
| Version: appv1.SchemeGroupVersion.Version, | ||
| Scope: apiextensionsv1beta1.NamespaceScoped, | ||
| Names: apiextensionsv1beta1.CustomResourceDefinitionNames{ | ||
| Plural: application.ClusterPlural, | ||
| Kind: application.ClusterKind, | ||
| ShortNames: []string{application.ClusterShortName}, | ||
| }, | ||
| }, | ||
| } | ||
| createCRDHelper(extensionsClient, &clusterCRD, args.DryRun) | ||
| } | ||
|
|
||
| func createCRDHelper(extensionsClient *apiextensionsclient.Clientset, crd *apiextensionsv1beta1.CustomResourceDefinition, dryRun bool) { | ||
| if dryRun { | ||
| printYAML(crd) | ||
| return | ||
| } | ||
| _, err := extensionsClient.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd) | ||
| if err != nil { | ||
| if !apierr.IsAlreadyExists(err) { | ||
| log.Fatalf("Failed to create CustomResourceDefinition: %v", err) | ||
| } | ||
| fmt.Printf("CustomResourceDefinition '%s' already exists\n", crd.ObjectMeta.Name) | ||
| } else { | ||
| fmt.Printf("CustomResourceDefinition '%s' created", crd.ObjectMeta.Name) | ||
| } | ||
| // wait for CRD being established | ||
| err = wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) { | ||
| getCrd, err := extensionsClient.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crd.ObjectMeta.Name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| for _, cond := range getCrd.Status.Conditions { | ||
| switch cond.Type { | ||
| case apiextensionsv1beta1.Established: | ||
| if cond.Status == apiextensionsv1beta1.ConditionTrue { | ||
| return true, err | ||
| } | ||
| case apiextensionsv1beta1.NamesAccepted: | ||
| if cond.Status == apiextensionsv1beta1.ConditionFalse { | ||
| log.Errorf("Name conflict: %v", cond.Reason) | ||
| } | ||
| } | ||
| } | ||
| return false, err | ||
| }) | ||
| if err != nil { | ||
| log.Fatalf("Failed to wait for CustomResourceDefinition: %v", err) | ||
| } | ||
| } | ||
|
|
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| func printYAML(obj interface{}) { | ||
| objBytes, err := yaml.Marshal(obj) | ||
| if err != nil { | ||
| log.Fatalf("Failed to marshal %v", obj) | ||
| } | ||
| fmt.Printf("---\n%s\n", string(objBytes)) | ||
| } |
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