/
types.go
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/
types.go
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// Copyright © 2018 The Knative 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 commands
import (
"fmt"
"io"
"os"
"path/filepath"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
eventingv1 "knative.dev/eventing/pkg/client/clientset/versioned/typed/eventing/v1"
eventingv1beta1 "knative.dev/eventing/pkg/client/clientset/versioned/typed/eventing/v1beta1"
messagingv1 "knative.dev/eventing/pkg/client/clientset/versioned/typed/messaging/v1"
sourcesv1client "knative.dev/eventing/pkg/client/clientset/versioned/typed/sources/v1"
sourcesv1beta2client "knative.dev/eventing/pkg/client/clientset/versioned/typed/sources/v1beta2"
servingv1client "knative.dev/serving/pkg/client/clientset/versioned/typed/serving/v1"
servingv1beta1client "knative.dev/serving/pkg/client/clientset/versioned/typed/serving/v1beta1"
"knative.dev/client-pkg/pkg/util"
clientdynamic "knative.dev/client-pkg/pkg/dynamic"
knerrors "knative.dev/client-pkg/pkg/errors"
clienteventingv1 "knative.dev/client-pkg/pkg/eventing/v1"
clienteventingv1beta1 "knative.dev/client-pkg/pkg/eventing/v1beta1"
clientmessagingv1 "knative.dev/client-pkg/pkg/messaging/v1"
clientservingv1 "knative.dev/client-pkg/pkg/serving/v1"
clientservingv1beta1 "knative.dev/client-pkg/pkg/serving/v1beta1"
clientsourcesv1 "knative.dev/client-pkg/pkg/sources/v1"
clientsourcesv1beta2 "knative.dev/client-pkg/pkg/sources/v1beta2"
)
// KnParams for creating commands. Useful for inserting mocks for testing.
type KnParams struct {
Output io.Writer
KubeCfgPath string
KubeContext string
KubeCluster string
KubeAsUser string
KubeAsUID string
KubeAsGroup []string
ClientConfig clientcmd.ClientConfig
NewServingClient func(namespace string) (clientservingv1.KnServingClient, error)
NewServingV1beta1Client func(namespace string) (clientservingv1beta1.KnServingClient, error)
NewGitopsServingClient func(namespace string, dir string) (clientservingv1.KnServingClient, error)
NewSourcesClient func(namespace string) (clientsourcesv1.KnSourcesClient, error)
NewSourcesV1beta2Client func(namespace string) (clientsourcesv1beta2.KnSourcesClient, error)
NewEventingClient func(namespace string) (clienteventingv1.KnEventingClient, error)
NewMessagingClient func(namespace string) (clientmessagingv1.KnMessagingClient, error)
NewDynamicClient func(namespace string) (clientdynamic.KnDynamicClient, error)
NewEventingV1beta1Client func(namespace string) (clienteventingv1beta1.KnEventingV1Beta1Client, error)
// General global options
LogHTTP bool
// Set this if you want to nail down the namespace
fixedCurrentNamespace string
}
func (params *KnParams) Initialize() {
if params.NewServingClient == nil {
params.NewServingClient = params.newServingClient
}
if params.NewServingV1beta1Client == nil {
params.NewServingV1beta1Client = params.newServingClientV1beta1
}
if params.NewGitopsServingClient == nil {
params.NewGitopsServingClient = params.newGitopsServingClient
}
if params.NewSourcesClient == nil {
params.NewSourcesClient = params.newSourcesClient
}
if params.NewEventingClient == nil {
params.NewEventingClient = params.newEventingClient
}
if params.NewMessagingClient == nil {
params.NewMessagingClient = params.newMessagingClient
}
if params.NewDynamicClient == nil {
params.NewDynamicClient = params.newDynamicClient
}
if params.NewSourcesV1beta2Client == nil {
params.NewSourcesV1beta2Client = params.newSourcesClientV1beta2
}
if params.NewEventingV1beta1Client == nil {
params.NewEventingV1beta1Client = params.newEventingV1Beta1Client
}
}
func (params *KnParams) newServingClient(namespace string) (clientservingv1.KnServingClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, err := servingv1client.NewForConfig(restConfig)
if err != nil {
return nil, err
}
return clientservingv1.NewKnServingClient(client, namespace), nil
}
func (params *KnParams) newServingClientV1beta1(namespace string) (clientservingv1beta1.KnServingClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, err := servingv1beta1client.NewForConfig(restConfig)
if err != nil {
return nil, err
}
return clientservingv1beta1.NewKnServingClient(client, namespace), nil
}
func (params *KnParams) newGitopsServingClient(namespace string, dir string) (clientservingv1.KnServingClient, error) {
return clientservingv1.NewKnServingGitOpsClient(namespace, dir), nil
}
func (params *KnParams) newSourcesClient(namespace string) (clientsourcesv1.KnSourcesClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, _ := sourcesv1client.NewForConfig(restConfig)
return clientsourcesv1.NewKnSourcesClient(client, namespace), nil
}
func (params *KnParams) newSourcesClientV1beta2(namespace string) (clientsourcesv1beta2.KnSourcesClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, _ := sourcesv1beta2client.NewForConfig(restConfig)
return clientsourcesv1beta2.NewKnSourcesClient(client, namespace), nil
}
func (params *KnParams) newEventingClient(namespace string) (clienteventingv1.KnEventingClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, _ := eventingv1.NewForConfig(restConfig)
return clienteventingv1.NewKnEventingClient(client, namespace), nil
}
func (params *KnParams) newEventingV1Beta1Client(namespace string) (clienteventingv1beta1.KnEventingV1Beta1Client, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, _ := eventingv1beta1.NewForConfig(restConfig)
return clienteventingv1beta1.NewKnEventingV1Beta1Client(client, namespace), nil
}
func (params *KnParams) newMessagingClient(namespace string) (clientmessagingv1.KnMessagingClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, _ := messagingv1.NewForConfig(restConfig)
return clientmessagingv1.NewKnMessagingClient(client, namespace), nil
}
func (params *KnParams) newDynamicClient(namespace string) (clientdynamic.KnDynamicClient, error) {
restConfig, err := params.RestConfig()
if err != nil {
return nil, err
}
client, _ := dynamic.NewForConfig(restConfig)
return clientdynamic.NewKnDynamicClient(client, namespace), nil
}
// RestConfig returns REST config, which can be to use to create specific clientset
func (params *KnParams) RestConfig() (*rest.Config, error) {
var err error
if params.ClientConfig == nil {
params.ClientConfig, err = params.GetClientConfig()
if err != nil {
return nil, knerrors.GetError(err)
}
}
config, err := params.ClientConfig.ClientConfig()
if err != nil {
return nil, knerrors.GetError(err)
}
if params.LogHTTP {
config.Wrap(util.NewLoggingTransport)
}
// Override client-go's warning handler to give us nicely printed warnings.
config.WarningHandler = rest.NewWarningWriter(os.Stderr, rest.WarningWriterOptions{
// only print a given warning the first time we receive it
Deduplicate: true,
})
return config, nil
}
// GetClientConfig gets ClientConfig from KubeCfgPath
func (params *KnParams) GetClientConfig() (clientcmd.ClientConfig, error) {
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
configOverrides := &clientcmd.ConfigOverrides{}
if params.KubeContext != "" {
configOverrides.CurrentContext = params.KubeContext
}
if params.KubeCluster != "" {
configOverrides.Context.Cluster = params.KubeCluster
}
if params.KubeAsUser != "" {
configOverrides.AuthInfo.Impersonate = params.KubeAsUser
}
if params.KubeAsUID != "" {
configOverrides.AuthInfo.ImpersonateUID = params.KubeAsUID
}
if len(params.KubeAsGroup) > 0 {
configOverrides.AuthInfo.ImpersonateGroups = params.KubeAsGroup
}
if len(params.KubeCfgPath) == 0 {
return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides), nil
}
_, err := os.Stat(params.KubeCfgPath)
if err == nil {
loadingRules.ExplicitPath = params.KubeCfgPath
return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides), nil
}
if !os.IsNotExist(err) {
return nil, err
}
paths := filepath.SplitList(params.KubeCfgPath)
if len(paths) > 1 {
return nil, fmt.Errorf("can not find config file. '%s' looks like a path. "+
"Please use the env var KUBECONFIG if you want to check for multiple configuration files", params.KubeCfgPath)
}
return nil, fmt.Errorf("config file '%s' can not be found", params.KubeCfgPath)
}