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updates based on SDK's helm-operator 1.0.0 (operator-framework#59)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| /* | ||
| Copyright 2020 The Operator-SDK Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package run | ||
|
|
||
| import ( | ||
| "flag" | ||
| "os" | ||
| "runtime" | ||
| "time" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "github.com/spf13/pflag" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| logf "sigs.k8s.io/controller-runtime/pkg/log" | ||
| zapl "sigs.k8s.io/controller-runtime/pkg/log/zap" | ||
|
|
||
| "github.com/joelanford/helm-operator/internal/version" | ||
| "github.com/joelanford/helm-operator/pkg/annotation" | ||
| "github.com/joelanford/helm-operator/pkg/manager" | ||
| "github.com/joelanford/helm-operator/pkg/reconciler" | ||
| "github.com/joelanford/helm-operator/pkg/watches" | ||
| ) | ||
|
|
||
| func NewCmd() *cobra.Command { | ||
| r := run{} | ||
| zapfs := flag.NewFlagSet("zap", flag.ExitOnError) | ||
| opts := &zapl.Options{} | ||
| opts.BindFlags(zapfs) | ||
|
|
||
| cmd := &cobra.Command{ | ||
| Use: "run", | ||
| Short: "Run the operator", | ||
| Run: func(cmd *cobra.Command, _ []string) { | ||
| logf.SetLogger(zapl.New(zapl.UseFlagOptions(opts))) | ||
| r.run(cmd) | ||
| }, | ||
| } | ||
| r.bindFlags(cmd.Flags()) | ||
| cmd.Flags().AddGoFlagSet(zapfs) | ||
| return cmd | ||
| } | ||
|
|
||
| type run struct { | ||
| metricsAddr string | ||
| enableLeaderElection bool | ||
| leaderElectionID string | ||
| leaderElectionNamespace string | ||
|
|
||
| watchesFile string | ||
| defaultMaxConcurrentReconciles int | ||
| defaultReconcilePeriod time.Duration | ||
| } | ||
|
|
||
| func (r *run) bindFlags(fs *pflag.FlagSet) { | ||
| fs.StringVar(&r.metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.") | ||
| fs.BoolVar(&r.enableLeaderElection, "enable-leader-election", false, | ||
| "Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.") | ||
| fs.StringVar(&r.leaderElectionID, "leader-election-id", "", | ||
| "Name of the configmap that is used for holding the leader lock.") | ||
| fs.StringVar(&r.leaderElectionNamespace, "leader-election-namespace", "", | ||
| "Namespace in which to create the leader election configmap for holding the leader lock (required if running locally with leader election enabled).") | ||
|
|
||
| fs.StringVar(&r.watchesFile, "watches-file", "./watches.yaml", "Path to watches.yaml file.") | ||
| fs.DurationVar(&r.defaultReconcilePeriod, "reconcile-period", time.Minute, "Default reconcile period for controllers (use 0 to disable periodic reconciliation)") | ||
| fs.IntVar(&r.defaultMaxConcurrentReconciles, "max-concurrent-reconciles", runtime.NumCPU(), "Default maximum number of concurrent reconciles for controllers.") | ||
| } | ||
|
|
||
| var log = logf.Log.WithName("cmd") | ||
|
|
||
| func printVersion() { | ||
| log.Info("Version", | ||
| "Go Version", runtime.Version(), | ||
| "GOOS", runtime.GOOS, | ||
| "GOARCH", runtime.GOARCH, | ||
| "helm-operator", version.Version) | ||
| } | ||
|
|
||
| func (r *run) run(cmd *cobra.Command) { | ||
| printVersion() | ||
|
|
||
| // Deprecated: OPERATOR_NAME environment variable is an artifact of the legacy operator-sdk project scaffolding. | ||
| // Flag `--leader-election-id` should be used instead. | ||
| if operatorName, found := os.LookupEnv("OPERATOR_NAME"); found { | ||
| log.Info("environment variable OPERATOR_NAME has been deprecated, use --leader-election-id instead.") | ||
| if cmd.Flags().Lookup("leader-election-id").Changed { | ||
| log.Info("ignoring OPERATOR_NAME environment variable since --leader-election-id is set") | ||
| } else { | ||
| r.leaderElectionID = operatorName | ||
| } | ||
| } | ||
|
|
||
| options := ctrl.Options{ | ||
| MetricsBindAddress: r.metricsAddr, | ||
| LeaderElection: r.enableLeaderElection, | ||
| LeaderElectionID: r.leaderElectionID, | ||
| LeaderElectionNamespace: r.leaderElectionNamespace, | ||
| NewClient: manager.NewDelegatingClientFunc(), | ||
| } | ||
| manager.ConfigureWatchNamespaces(&options, log) | ||
| mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), options) | ||
| if err != nil { | ||
| log.Error(err, "unable to start manager") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| ws, err := watches.Load(r.watchesFile) | ||
| if err != nil { | ||
| log.Error(err, "unable to load watches.yaml", "path", r.watchesFile) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| for _, w := range ws { | ||
| reconcilePeriod := r.defaultReconcilePeriod | ||
| if w.ReconcilePeriod != nil { | ||
| reconcilePeriod = w.ReconcilePeriod.Duration | ||
| } | ||
|
|
||
| maxConcurrentReconciles := r.defaultMaxConcurrentReconciles | ||
| if w.MaxConcurrentReconciles != nil { | ||
| maxConcurrentReconciles = *w.MaxConcurrentReconciles | ||
| } | ||
|
|
||
| r, err := reconciler.New( | ||
| reconciler.WithChart(*w.Chart), | ||
| reconciler.WithGroupVersionKind(w.GroupVersionKind), | ||
| reconciler.WithOverrideValues(w.OverrideValues), | ||
| reconciler.SkipDependentWatches(w.WatchDependentResources != nil && !*w.WatchDependentResources), | ||
| reconciler.WithMaxConcurrentReconciles(maxConcurrentReconciles), | ||
| reconciler.WithReconcilePeriod(reconcilePeriod), | ||
| reconciler.WithInstallAnnotations(annotation.DefaultInstallAnnotations...), | ||
| reconciler.WithUpgradeAnnotations(annotation.DefaultUpgradeAnnotations...), | ||
| reconciler.WithUninstallAnnotations(annotation.DefaultUninstallAnnotations...), | ||
| ) | ||
| if err != nil { | ||
| log.Error(err, "unable to create helm reconciler", "controller", "Helm") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| if err := r.SetupWithManager(mgr); err != nil { | ||
| log.Error(err, "unable to create controller", "controller", "Helm") | ||
| os.Exit(1) | ||
| } | ||
| log.Info("configured watch", "gvk", w.GroupVersionKind, "chartPath", w.ChartPath, "maxConcurrentReconciles", maxConcurrentReconciles, "reconcilePeriod", reconcilePeriod) | ||
| } | ||
|
|
||
| log.Info("starting manager") | ||
| if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil { | ||
| log.Error(err, "problem running manager") | ||
| os.Exit(1) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| Copyright 2020 The Operator-SDK Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package version | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "runtime" | ||
|
|
||
| "github.com/spf13/cobra" | ||
|
|
||
| "github.com/joelanford/helm-operator/internal/version" | ||
| ) | ||
|
|
||
| func NewCmd() *cobra.Command { | ||
| versionCmd := &cobra.Command{ | ||
| Use: "version", | ||
| Short: "Prints the version of helm-operator", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| run() | ||
| }, | ||
| } | ||
| return versionCmd | ||
| } | ||
|
|
||
| func run() { | ||
| fmt.Printf("helm-operator version: %q, commit: %q, go version: %q, GOOS: %q, GOARCH: %q\n", | ||
| version.Version, version.GitCommit, runtime.Version(), runtime.GOOS, runtime.GOARCH) | ||
| } |
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