feat: 初版代码结构

.gitignore

@@ -0,0 +1,27 @@
+config
+app.yaml
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin
+testbin/*
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Kubernetes Generated files - skip generated files, except for vendored files
+
+!vendor/**/zz_generated.*
+
+# editor and IDE paraphernalia
+.idea
+*.swp
+*.swo
+*~

go.mod

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+module github.com/myoperator/poddeployer
+
+go 1.18
+
+require (
+	github.com/evanphx/json-patch v4.12.0+incompatible
+	k8s.io/api v0.26.2
+	k8s.io/apimachinery v0.26.2
+	k8s.io/client-go v0.26.2
+	k8s.io/code-generator v0.26.2
+	k8s.io/klog/v2 v2.80.1
+	sigs.k8s.io/controller-runtime v0.14.5
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
+	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/zapr v1.2.3 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.1 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.14.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.24.0 // indirect
+	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/term v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.7.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/apiextensions-apiserver v0.26.1 // indirect
+	k8s.io/component-base v0.26.1 // indirect
+	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
+	k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280 // indirect
+	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
+)

main.go

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+package main
+
+import (
+	podrestarterv1alpha1 "github.com/myoperator/poddeployer/pkg/apis/podDeployer/v1alpha1"
+	"github.com/myoperator/poddeployer/pkg/controller"
+	"github.com/myoperator/poddeployer/pkg/k8sconfig"
+	v1 "k8s.io/api/apps/v1"
+	_ "k8s.io/code-generator"
+	"k8s.io/klog/v2"
+	"log"
+	"os"
+	"sigs.k8s.io/controller-runtime/pkg/builder"
+	"sigs.k8s.io/controller-runtime/pkg/handler"
+	logf "sigs.k8s.io/controller-runtime/pkg/log"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
+	"sigs.k8s.io/controller-runtime/pkg/manager/signals"
+	"sigs.k8s.io/controller-runtime/pkg/source"
+)
+
+/*
+	manager 主要用来管理Controller Admission Webhook 包括：
+	访问资源对象的client cache scheme 并提供依赖注入机制 优雅关闭机制
+
+	operator = crd + controller + webhook
+*/
+
+
+
+func main() {
+
+	logf.SetLogger(zap.New())
+	// 1. 管理器初始化
+	mgr, err := manager.New(k8sconfig.K8sRestConfig(), manager.Options{
+		Logger:  logf.Log.WithName("poddeployer-operator"),
+	})
+	if err != nil {
+		mgr.GetLogger().Error(err, "unable to set up manager")
+		os.Exit(1)
+	}
+
+	// 2. ++ 注册进入序列化表
+	err = podrestarterv1alpha1.SchemeBuilder.AddToScheme(mgr.GetScheme())
+	if err != nil {
+		klog.Error(err, "unable add schema")
+		os.Exit(1)
+	}
+
+
+	// 3. 控制器相关
+	podReStarterCtl := controller.NewPodDeployerController()
+
+	err = builder.ControllerManagedBy(mgr).
+		For(&podrestarterv1alpha1.Poddeployer{}).
+		Watches(&source.Kind{Type: &v1.Deployment{}},
+			handler.Funcs{
+				DeleteFunc: podReStarterCtl.DeploymentDeleteHandler,
+			},
+		).
+		Complete(podReStarterCtl)
+
+
+	errC := make(chan error)
+
+	// 4. 启动controller管理器
+	go func() {
+		klog.Info("controller start!! ")
+		if err = mgr.Start(signals.SetupSignalHandler()); err != nil {
+			errC <-err
+		}
+	}()
+
+
+
+	// 这里会阻塞
+	getError := <-errC
+	log.Println(getError.Error())
+
+}
+
+

pkg/apis/podDeployer/v1alpha1/doc.go

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+
+// Package v1alpha1 contains API Schema definitions for the ecs v1alpha1 API group
+// +k8s:deepcopy-gen=package,register
+// +groupName=api.practice.com
+package v1alpha1

pkg/apis/podDeployer/v1alpha1/register.go

@@ -0,0 +1,42 @@
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+const (
+	PodDeployerGroup = "api.practice.com"
+	PodDeployerVersion = "v1alpha1"
+	PodDeployerApiVersion = "api.practice.com/v1alpha1"
+	PodDeployerKind = "Poddeployer"
+)
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: PodDeployerGroup, Version: PodDeployerVersion}
+
+// Kind takes an unqualified kind and returns back a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	AddToScheme   = SchemeBuilder.AddToScheme
+)
+
+// Adds the list of known types to Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&Poddeployer{},
+		&PoddeployerList{},
+	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

pkg/apis/podDeployer/v1alpha1/types.go

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+package v1alpha1
+
+import (
+	appsv1 "k8s.io/api/apps/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// Poddeployer
+type Poddeployer struct {
+	metav1.TypeMeta `json:",inline"`
+
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec PodDeployerSpec `json:"spec,omitempty"`
+}
+
+
+type PodDeployerSpec struct {
+	DeploymentSpec  appsv1.DeploymentSpec	`json:"deployment_spec"`
+	PriorityImages  []PriorityImage			`json:"priority_images,omitempty"`
+}
+
+type PriorityImage struct {
+	Image   	string	`json:"image"`
+	Value       int		`json:"value"`
+}
+
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// PodReStarterList
+type PoddeployerList struct {
+	metav1.TypeMeta `json:",inline"`
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []Poddeployer `json:"items"`
+}
+
+