Move packages to proejct/pkg to follow go project folder structure convention (#1190)

2019-05-31 16:28:55 +08:00
parent 1c5fd92ad6
commit a0e9a39511
196 changed files with 1672 additions and 1716 deletions
@@ -0,0 +1,216 @@
+/*
+Copyright 2016 The Fission 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 crd
+
+import (
+	"time"
+
+	"go.uber.org/zap"
+	apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
+	apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
+	k8serrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+const (
+	crdGroupName = "fission.io"
+	crdVersion   = "v1"
+)
+
+// ensureCRD checks if the given CRD type exists, and creates it if
+// needed. (Note that this creates the CRD type; it doesn't create any
+// _instances_ of that type.)
+func ensureCRD(logger *zap.Logger, clientset *apiextensionsclient.Clientset, crd *apiextensionsv1beta1.CustomResourceDefinition) (err error) {
+	maxRetries := 5
+
+	for i := 0; i < maxRetries; i++ {
+		_, err = clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
+		if err == nil {
+			return nil
+		}
+
+		// return if the resource already exists
+		if k8serrors.IsAlreadyExists(err) {
+			return nil
+		} else {
+			// The requests fail to connect to k8s api server before
+			// istio-prxoy is ready to serve traffic. Retry again.
+			logger.Info("error connecting to kubernetes api service, retrying", zap.Error(err))
+			time.Sleep(500 * time.Duration(2*i) * time.Millisecond)
+			continue
+		}
+	}
+
+	return err
+}
+
+// Ensure CRDs
+func EnsureFissionCRDs(logger *zap.Logger, clientset *apiextensionsclient.Clientset) error {
+	crds := []apiextensionsv1beta1.CustomResourceDefinition{
+		// Functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "functions.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "Function",
+					Plural:   "functions",
+					Singular: "function",
+				},
+			},
+		},
+		// Environments (function containers)
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "environments.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "Environment",
+					Plural:   "environments",
+					Singular: "environment",
+				},
+			},
+		},
+		// HTTP triggers for functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "httptriggers.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "HTTPTrigger",
+					Plural:   "httptriggers",
+					Singular: "httptrigger",
+				},
+			},
+		},
+		// Kubernetes watch triggers for functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "kuberneteswatchtriggers.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "KubernetesWatchTrigger",
+					Plural:   "kuberneteswatchtriggers",
+					Singular: "kuberneteswatchtrigger",
+				},
+			},
+		},
+		// Time-based triggers for functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "timetriggers.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "TimeTrigger",
+					Plural:   "timetriggers",
+					Singular: "timetrigger",
+				},
+			},
+		},
+		// Message queue triggers for functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "messagequeuetriggers.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "MessageQueueTrigger",
+					Plural:   "messagequeuetriggers",
+					Singular: "messagequeuetrigger",
+				},
+			},
+		},
+		// Recorders
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "recorders.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "Recorder",
+					Plural:   "recorders",
+					Singular: "recorder",
+				},
+			},
+		},
+		// Packages: archives containing source or binaries for one or more functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "packages.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "Package",
+					Plural:   "packages",
+					Singular: "package",
+				},
+			},
+		},
+		// CanaryConfig: configuration for canary deployment of functions
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "canaryconfigs.fission.io",
+			},
+			Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+				Group:   crdGroupName,
+				Version: crdVersion,
+				Scope:   apiextensionsv1beta1.NamespaceScoped,
+				Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+					Kind:     "CanaryConfig",
+					Plural:   "canaryconfigs",
+					Singular: "canaryconfig",
+				},
+			},
+		},
+	}
+	for _, crd := range crds {
+		err := ensureCRD(logger, clientset, &crd)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}