| /* |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 operator |
| |
| import ( |
| "context" |
| "flag" |
| "fmt" |
| "math/rand" |
| "os" |
| "runtime" |
| "time" |
| |
| "github.com/apache/camel-k/pkg/apis" |
| "github.com/apache/camel-k/pkg/controller" |
| "github.com/apache/camel-k/pkg/util/defaults" |
| "github.com/operator-framework/operator-sdk/pkg/k8sutil" |
| "github.com/operator-framework/operator-sdk/pkg/leader" |
| "github.com/operator-framework/operator-sdk/pkg/ready" |
| sdkVersion "github.com/operator-framework/operator-sdk/version" |
| "sigs.k8s.io/controller-runtime/pkg/client/config" |
| "sigs.k8s.io/controller-runtime/pkg/manager" |
| logf "sigs.k8s.io/controller-runtime/pkg/runtime/log" |
| "sigs.k8s.io/controller-runtime/pkg/runtime/signals" |
| ) |
| |
| var log = logf.Log.WithName("cmd") |
| var GitCommit string |
| |
| func printVersion() { |
| log.Info(fmt.Sprintf("Go Version: %s", runtime.Version())) |
| log.Info(fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH)) |
| log.Info(fmt.Sprintf("Operator SDK Version: %v", sdkVersion.Version)) |
| log.Info(fmt.Sprintf("Kaniko Version: %v", defaults.KanikoVersion)) |
| log.Info(fmt.Sprintf("Camel K Operator Version: %v", defaults.Version)) |
| log.Info(fmt.Sprintf("Camel K Git Commit: %v", GitCommit)) |
| } |
| |
| // Run starts the Camel K operator |
| func Run() { |
| rand.Seed(time.Now().UTC().UnixNano()) |
| |
| flag.Parse() |
| |
| // The logger instantiated here can be changed to any logger |
| // implementing the logr.Logger interface. This logger will |
| // be propagated through the whole operator, generating |
| // uniform and structured logs. |
| logf.SetLogger(logf.ZapLogger(false)) |
| |
| printVersion() |
| |
| namespace, err := k8sutil.GetWatchNamespace() |
| if err != nil { |
| log.Error(err, "failed to get watch namespace") |
| os.Exit(1) |
| } |
| |
| // Get a config to talk to the apiserver |
| cfg, err := config.GetConfig() |
| if err != nil { |
| log.Error(err, "") |
| os.Exit(1) |
| } |
| |
| // Become the leader before proceeding |
| err = leader.Become(context.TODO(), "camel-k-lock") |
| if err != nil { |
| log.Error(err, "") |
| os.Exit(1) |
| } |
| |
| r := ready.NewFileReady() |
| err = r.Set() |
| if err != nil { |
| log.Error(err, "") |
| os.Exit(1) |
| } |
| defer r.Unset() // nolint: errcheck |
| |
| // Create a new Cmd to provide shared dependencies and start components |
| mgr, err := manager.New(cfg, manager.Options{Namespace: namespace}) |
| if err != nil { |
| log.Error(err, "") |
| os.Exit(1) |
| } |
| |
| log.Info("Registering Components.") |
| |
| // Setup Scheme for all resources |
| if err := apis.AddToScheme(mgr.GetScheme()); err != nil { |
| log.Error(err, "") |
| os.Exit(1) |
| } |
| |
| // Setup all Controllers |
| if err := controller.AddToManager(mgr); err != nil { |
| log.Error(err, "") |
| os.Exit(1) |
| } |
| |
| log.Info("Starting the Cmd.") |
| |
| // Start the Cmd |
| if err := mgr.Start(signals.SetupSignalHandler()); err != nil { |
| log.Error(err, "manager exited non-zero") |
| os.Exit(1) |
| } |
| } |