155 lines
6.7 KiB
Go
155 lines
6.7 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package apiclient
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import (
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"fmt"
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"k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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rbac "k8s.io/api/rbac/v1beta1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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clientset "k8s.io/client-go/kubernetes"
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)
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// TODO: We should invent a dynamic mechanism for this using the dynamic client instead of hard-coding these functions per-type
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// TODO: We may want to retry if .Update() fails on 409 Conflict
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// CreateOrUpdateConfigMap creates a ConfigMap if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateConfigMap(client clientset.Interface, cm *v1.ConfigMap) error {
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if _, err := client.CoreV1().ConfigMaps(cm.ObjectMeta.Namespace).Create(cm); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create configmap: %v", err)
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}
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if _, err := client.CoreV1().ConfigMaps(cm.ObjectMeta.Namespace).Update(cm); err != nil {
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return fmt.Errorf("unable to update configmap: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateSecret creates a Secret if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateSecret(client clientset.Interface, secret *v1.Secret) error {
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if _, err := client.CoreV1().Secrets(secret.ObjectMeta.Namespace).Create(secret); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create secret: %v", err)
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}
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if _, err := client.CoreV1().Secrets(secret.ObjectMeta.Namespace).Update(secret); err != nil {
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return fmt.Errorf("unable to update secret: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateServiceAccount creates a ServiceAccount if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateServiceAccount(client clientset.Interface, sa *v1.ServiceAccount) error {
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if _, err := client.CoreV1().ServiceAccounts(sa.ObjectMeta.Namespace).Create(sa); err != nil {
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// Note: We don't run .Update here afterwards as that's probably not required
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// Only thing that could be updated is annotations/labels in .metadata, but we don't use that currently
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create serviceaccount: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateDeployment creates a Deployment if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateDeployment(client clientset.Interface, deploy *extensions.Deployment) error {
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if _, err := client.ExtensionsV1beta1().Deployments(deploy.ObjectMeta.Namespace).Create(deploy); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create deployment: %v", err)
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}
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if _, err := client.ExtensionsV1beta1().Deployments(deploy.ObjectMeta.Namespace).Update(deploy); err != nil {
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return fmt.Errorf("unable to update deployment: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateDaemonSet creates a DaemonSet if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateDaemonSet(client clientset.Interface, ds *extensions.DaemonSet) error {
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if _, err := client.ExtensionsV1beta1().DaemonSets(ds.ObjectMeta.Namespace).Create(ds); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create daemonset: %v", err)
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}
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if _, err := client.ExtensionsV1beta1().DaemonSets(ds.ObjectMeta.Namespace).Update(ds); err != nil {
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return fmt.Errorf("unable to update daemonset: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateRole creates a Role if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateRole(client clientset.Interface, role *rbac.Role) error {
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if _, err := client.RbacV1beta1().Roles(role.ObjectMeta.Namespace).Create(role); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create RBAC role: %v", err)
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}
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if _, err := client.RbacV1beta1().Roles(role.ObjectMeta.Namespace).Update(role); err != nil {
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return fmt.Errorf("unable to update RBAC role: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateRoleBinding creates a RoleBinding if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateRoleBinding(client clientset.Interface, roleBinding *rbac.RoleBinding) error {
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if _, err := client.RbacV1beta1().RoleBindings(roleBinding.ObjectMeta.Namespace).Create(roleBinding); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create RBAC rolebinding: %v", err)
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}
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if _, err := client.RbacV1beta1().RoleBindings(roleBinding.ObjectMeta.Namespace).Update(roleBinding); err != nil {
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return fmt.Errorf("unable to update RBAC rolebinding: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateClusterRole creates a ClusterRole if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateClusterRole(client clientset.Interface, clusterRole *rbac.ClusterRole) error {
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if _, err := client.RbacV1beta1().ClusterRoles().Create(clusterRole); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create RBAC clusterrole: %v", err)
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}
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if _, err := client.RbacV1beta1().ClusterRoles().Update(clusterRole); err != nil {
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return fmt.Errorf("unable to update RBAC clusterrole: %v", err)
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}
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}
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return nil
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}
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// CreateOrUpdateClusterRoleBinding creates a ClusterRoleBinding if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
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func CreateOrUpdateClusterRoleBinding(client clientset.Interface, clusterRoleBinding *rbac.ClusterRoleBinding) error {
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if _, err := client.RbacV1beta1().ClusterRoleBindings().Create(clusterRoleBinding); err != nil {
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if !apierrors.IsAlreadyExists(err) {
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return fmt.Errorf("unable to create RBAC clusterrolebinding: %v", err)
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}
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if _, err := client.RbacV1beta1().ClusterRoleBindings().Update(clusterRoleBinding); err != nil {
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return fmt.Errorf("unable to update RBAC clusterrolebinding: %v", err)
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}
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}
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return nil
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}
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