Merge pull request #402 from yue9944882/chore/example-pod-exec

Chore: Example pod exec

example/podexec/.gitignore

@@ -0,0 +1,12 @@
+bin/
+default.etcd/
+kubeconfig
+apiserver.local.config/
+zz_generated*
+pkg/client/*_generated
+pkg/openapi/openapi_generated.go
+.crt
+.key
+vendor/**
+Gopkg.*
+violations.report

example/podexec/BUILD.bazel

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+
+# gazelle:proto disable
+# gazelle:exclude vendor
+load("@io_bazel_rules_go//go:def.bzl", "gazelle")
+
+gazelle(
+    name = "gazelle",
+    command = "fix",
+    prefix = "sigs.k8s.io/apiserver-builder-alpha/example/podexec",
+    external = "vendored",
+    args = [
+        "-build_file_name",
+        "BUILD,BUILD.bazel",
+    ],
+)

example/podexec/PROJECT

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+
+version: "1"
+domain: example.com
+repo: sigs.k8s.io/apiserver-builder-alpha/example/podexec

example/podexec/WORKSPACE

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+
+http_archive(
+    name = "io_bazel_rules_go",
+    url = "https://github.com/bazelbuild/rules_go/releases/download/0.6.0/rules_go-0.6.0.tar.gz",
+    sha256 = "ba6feabc94a5d205013e70792accb6cce989169476668fbaf98ea9b342e13b59",
+)
+load("@io_bazel_rules_go//go:def.bzl", "go_rules_dependencies", "go_register_toolchains")
+go_rules_dependencies()
+go_register_toolchains()
+
+load("@io_bazel_rules_go//proto:def.bzl", "proto_register_toolchains")
+proto_register_toolchains()

example/podexec/boilerplate.go.txt

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+/*
+Copyright 2019 The Kubernetes 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.
+*/
+

example/podexec/cmd/apiserver/main.go

@@ -0,0 +1,50 @@
+
+/*
+Copyright 2019 The Kubernetes 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 main
+
+import (
+	// Make sure dep tools picks up these dependencies
+	_ "k8s.io/apimachinery/pkg/apis/meta/v1"
+	_ "github.com/go-openapi/loads"
+
+	"sigs.k8s.io/apiserver-builder-alpha/pkg/cmd/server"
+	_ "k8s.io/client-go/plugin/pkg/client/auth" // Enable cloud provider auth
+
+	"sigs.k8s.io/apiserver-builder-alpha/example/podexec/pkg/apis"
+	"sigs.k8s.io/apiserver-builder-alpha/example/podexec/pkg/openapi"
+)
+
+func main() {
+	version := "v0"
+
+	err := server.StartApiServerWithOptions(&server.StartOptions{
+		EtcdPath:         "/registry/example.com",
+		Apis:             apis.GetAllApiBuilders(),
+		Openapidefs:      openapi.GetOpenAPIDefinitions,
+		Title:            "Api",
+		Version:          version,
+
+		// TweakConfigFuncs []func(apiServer *apiserver.Config) error
+		// FlagConfigFuncs []func(*cobra.Command) error
+	})
+	if err != nil {
+		panic(err)
+	}
+}

example/podexec/cmd/manager/main.go

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+/*
+Copyright 2019 The Kubernetes 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 main
+
+import (
+	"flag"
+	"os"
+
+	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
+	"sigs.k8s.io/apiserver-builder-alpha/example/podexec/pkg/apis"
+	"sigs.k8s.io/apiserver-builder-alpha/example/podexec/pkg/controller"
+	"sigs.k8s.io/apiserver-builder-alpha/example/podexec/pkg/webhook"
+	"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"
+)
+
+func main() {
+	var metricsAddr string
+	flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
+	flag.Parse()
+	logf.SetLogger(logf.ZapLogger(false))
+	log := logf.Log.WithName("entrypoint")
+
+	// Get a config to talk to the apiserver
+	log.Info("setting up client for manager")
+	cfg, err := config.GetConfig()
+	if err != nil {
+		log.Error(err, "unable to set up client config")
+		os.Exit(1)
+	}
+
+	// Create a new Cmd to provide shared dependencies and start components
+	log.Info("setting up manager")
+	mgr, err := manager.New(cfg, manager.Options{MetricsBindAddress: metricsAddr})
+	if err != nil {
+		log.Error(err, "unable to set up overall controller manager")
+		os.Exit(1)
+	}
+
+	log.Info("Registering Components.")
+
+	// Setup Scheme for all resources
+	log.Info("setting up scheme")
+	if err := apis.AddToScheme(mgr.GetScheme()); err != nil {
+		log.Error(err, "unable add APIs to scheme")
+		os.Exit(1)
+	}
+
+	// Setup all Controllers
+	log.Info("Setting up controller")
+	if err := controller.AddToManager(mgr); err != nil {
+		log.Error(err, "unable to register controllers to the manager")
+		os.Exit(1)
+	}
+
+	log.Info("setting up webhooks")
+	if err := webhook.AddToManager(mgr); err != nil {
+		log.Error(err, "unable to register webhooks to the manager")
+		os.Exit(1)
+	}
+
+	// Start the Cmd
+	log.Info("Starting the Cmd.")
+	if err := mgr.Start(signals.SetupSignalHandler()); err != nil {
+		log.Error(err, "unable to run the manager")
+		os.Exit(1)
+	}
+}

example/podexec/docs/examples/pod/pod.yaml

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+note: Pod Example
+sample: |
+  apiVersion: podexec.example.com/v1
+  kind: Pod
+  metadata:
+    name: pod-example
+  spec:

example/podexec/pkg/apis/doc.go

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+
+/*
+Copyright 2019 The Kubernetes 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.
+*/
+
+
+
+
+//
+// +domain=example.com
+
+package apis
+

example/podexec/pkg/apis/podexec/doc.go

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+
+/*
+Copyright 2019 The Kubernetes 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.
+*/
+
+
+
+
+// +k8s:deepcopy-gen=package,register
+// +groupName=podexec.example.com
+
+// Package api is the internal version of the API.
+package podexec
+