Rename gotk binary to flux
Signed-off-by: Hidde Beydals <hello@hidde.co>
This commit is contained in:
Hidde Beydals
251
cmd/flux/bootstrap.go
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251
cmd/flux/bootstrap.go
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@@ -0,0 +1,251 @@
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/*
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Copyright 2020 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"fmt"
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"net/url"
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"path/filepath"
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"time"
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"github.com/spf13/cobra"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/wait"
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"sigs.k8s.io/controller-runtime/pkg/client"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta1"
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sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
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"github.com/fluxcd/toolkit/internal/flags"
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"github.com/fluxcd/toolkit/internal/utils"
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"github.com/fluxcd/toolkit/pkg/manifestgen/install"
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"github.com/fluxcd/toolkit/pkg/manifestgen/sync"
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)
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var bootstrapCmd = &cobra.Command{
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Use: "bootstrap",
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Short: "Bootstrap toolkit components",
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Long: "The bootstrap sub-commands bootstrap the toolkit components on the targeted Git provider.",
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}
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var (
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bootstrapVersion string
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bootstrapComponents []string
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bootstrapRegistry string
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bootstrapImagePullSecret string
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bootstrapBranch string
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bootstrapWatchAllNamespaces bool
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bootstrapNetworkPolicy bool
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bootstrapManifestsPath string
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bootstrapArch = flags.Arch(defaults.Arch)
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bootstrapLogLevel = flags.LogLevel(defaults.LogLevel)
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bootstrapRequiredComponents = []string{"source-controller", "kustomize-controller"}
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)
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const (
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bootstrapDefaultBranch = "main"
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)
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func init() {
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bootstrapCmd.PersistentFlags().StringVarP(&bootstrapVersion, "version", "v", defaults.Version,
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"toolkit version")
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bootstrapCmd.PersistentFlags().StringSliceVar(&bootstrapComponents, "components", defaults.Components,
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"list of components, accepts comma-separated values")
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bootstrapCmd.PersistentFlags().StringVar(&bootstrapRegistry, "registry", "ghcr.io/fluxcd",
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"container registry where the toolkit images are published")
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bootstrapCmd.PersistentFlags().StringVar(&bootstrapImagePullSecret, "image-pull-secret", "",
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"Kubernetes secret name used for pulling the toolkit images from a private registry")
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bootstrapCmd.PersistentFlags().Var(&bootstrapArch, "arch", bootstrapArch.Description())
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bootstrapCmd.PersistentFlags().StringVar(&bootstrapBranch, "branch", bootstrapDefaultBranch,
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"default branch (for GitHub this must match the default branch setting for the organization)")
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rootCmd.AddCommand(bootstrapCmd)
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bootstrapCmd.PersistentFlags().BoolVar(&bootstrapWatchAllNamespaces, "watch-all-namespaces", true,
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"watch for custom resources in all namespaces, if set to false it will only watch the namespace where the toolkit is installed")
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bootstrapCmd.PersistentFlags().BoolVar(&bootstrapNetworkPolicy, "network-policy", true,
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"deny ingress access to the toolkit controllers from other namespaces using network policies")
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bootstrapCmd.PersistentFlags().Var(&bootstrapLogLevel, "log-level", bootstrapLogLevel.Description())
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bootstrapCmd.PersistentFlags().StringVar(&bootstrapManifestsPath, "manifests", "", "path to the manifest directory")
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bootstrapCmd.PersistentFlags().MarkHidden("manifests")
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}
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func bootstrapValidate() error {
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for _, component := range bootstrapRequiredComponents {
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if !utils.ContainsItemString(bootstrapComponents, component) {
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return fmt.Errorf("component %s is required", component)
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}
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}
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return nil
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}
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func generateInstallManifests(targetPath, namespace, tmpDir string, localManifests string) (string, error) {
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opts := install.Options{
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BaseURL: localManifests,
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Version: bootstrapVersion,
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Namespace: namespace,
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Components: bootstrapComponents,
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Registry: bootstrapRegistry,
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ImagePullSecret: bootstrapImagePullSecret,
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Arch: bootstrapArch.String(),
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WatchAllNamespaces: bootstrapWatchAllNamespaces,
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NetworkPolicy: bootstrapNetworkPolicy,
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LogLevel: bootstrapLogLevel.String(),
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NotificationController: defaults.NotificationController,
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ManifestFile: defaults.ManifestFile,
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Timeout: timeout,
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TargetPath: targetPath,
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}
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if localManifests == "" {
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opts.BaseURL = defaults.BaseURL
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}
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output, err := install.Generate(opts)
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if err != nil {
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return "", fmt.Errorf("generating install manifests failed: %w", err)
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}
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if filePath, err := output.WriteFile(tmpDir); err != nil {
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return "", fmt.Errorf("generating install manifests failed: %w", err)
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} else {
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return filePath, nil
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}
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}
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func applyInstallManifests(ctx context.Context, manifestPath string, components []string) error {
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kubectlArgs := []string{"apply", "-f", manifestPath}
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if _, err := utils.ExecKubectlCommand(ctx, utils.ModeOS, kubectlArgs...); err != nil {
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return fmt.Errorf("install failed")
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}
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for _, deployment := range components {
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kubectlArgs = []string{"-n", namespace, "rollout", "status", "deployment", deployment, "--timeout", timeout.String()}
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if _, err := utils.ExecKubectlCommand(ctx, utils.ModeOS, kubectlArgs...); err != nil {
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return fmt.Errorf("install failed")
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}
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}
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return nil
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}
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func generateSyncManifests(url, branch, name, namespace, targetPath, tmpDir string, interval time.Duration) error {
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opts := sync.Options{
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Name: name,
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Namespace: namespace,
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URL: url,
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Branch: branch,
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Interval: interval,
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TargetPath: targetPath,
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ManifestFile: sync.MakeDefaultOptions().ManifestFile,
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}
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manifest, err := sync.Generate(opts)
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if err != nil {
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return fmt.Errorf("generating install manifests failed: %w", err)
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}
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if _, err := manifest.WriteFile(tmpDir); err != nil {
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return err
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}
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if err := utils.GenerateKustomizationYaml(filepath.Join(tmpDir, targetPath, namespace)); err != nil {
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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 applySyncManifests(ctx context.Context, kubeClient client.Client, name, namespace, targetPath, tmpDir string) error {
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kubectlArgs := []string{"apply", "-k", filepath.Join(tmpDir, targetPath, namespace)}
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if _, err := utils.ExecKubectlCommand(ctx, utils.ModeStderrOS, kubectlArgs...); err != nil {
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return err
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}
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logger.Waitingf("waiting for cluster sync")
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var gitRepository sourcev1.GitRepository
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if err := wait.PollImmediate(pollInterval, timeout,
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isGitRepositoryReady(ctx, kubeClient, types.NamespacedName{Name: name, Namespace: namespace}, &gitRepository)); err != nil {
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return err
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}
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var kustomization kustomizev1.Kustomization
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if err := wait.PollImmediate(pollInterval, timeout,
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isKustomizationReady(ctx, kubeClient, types.NamespacedName{Name: name, Namespace: namespace}, &kustomization)); err != nil {
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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 shouldInstallManifests(ctx context.Context, kubeClient client.Client, namespace string) bool {
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namespacedName := types.NamespacedName{
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Namespace: namespace,
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Name: namespace,
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}
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var kustomization kustomizev1.Kustomization
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if err := kubeClient.Get(ctx, namespacedName, &kustomization); err != nil {
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return true
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}
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return kustomization.Status.LastAppliedRevision == ""
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}
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func shouldCreateDeployKey(ctx context.Context, kubeClient client.Client, namespace string) bool {
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namespacedName := types.NamespacedName{
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Namespace: namespace,
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Name: namespace,
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}
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var existing corev1.Secret
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if err := kubeClient.Get(ctx, namespacedName, &existing); err != nil {
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return true
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}
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return false
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}
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func generateDeployKey(ctx context.Context, kubeClient client.Client, url *url.URL, namespace string) (string, error) {
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pair, err := generateKeyPair(ctx)
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if err != nil {
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return "", err
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}
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hostKey, err := scanHostKey(ctx, url)
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if err != nil {
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return "", err
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}
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secret := corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: namespace,
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Namespace: namespace,
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},
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StringData: map[string]string{
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"identity": string(pair.PrivateKey),
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"identity.pub": string(pair.PublicKey),
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"known_hosts": string(hostKey),
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},
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}
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if err := upsertSecret(ctx, kubeClient, secret); err != nil {
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return "", err
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}
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return string(pair.PublicKey), nil
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}
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