126 lines
3.9 KiB
Go
126 lines
3.9 KiB
Go
/*
|
|
Copyright 2017 the Velero contributors.
|
|
|
|
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 client
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/pflag"
|
|
"k8s.io/client-go/dynamic"
|
|
"k8s.io/client-go/kubernetes"
|
|
|
|
v1 "github.com/heptio/velero/pkg/apis/velero/v1"
|
|
clientset "github.com/heptio/velero/pkg/generated/clientset/versioned"
|
|
)
|
|
|
|
// Factory knows how to create a VeleroClient and Kubernetes client.
|
|
type Factory interface {
|
|
// BindFlags binds common flags (--kubeconfig, --namespace) to the passed-in FlagSet.
|
|
BindFlags(flags *pflag.FlagSet)
|
|
// Client returns a VeleroClient. It uses the following priority to specify the cluster
|
|
// configuration: --kubeconfig flag, KUBECONFIG environment variable, in-cluster configuration.
|
|
Client() (clientset.Interface, error)
|
|
// KubeClient returns a Kubernetes client. It uses the following priority to specify the cluster
|
|
// configuration: --kubeconfig flag, KUBECONFIG environment variable, in-cluster configuration.
|
|
KubeClient() (kubernetes.Interface, error)
|
|
// DynamicClient returns a Kubernetes dynamic client. It uses the following priority to specify the cluster
|
|
// configuration: --kubeconfig flag, KUBECONFIG environment variable, in-cluster configuration.
|
|
DynamicClient() (dynamic.Interface, error)
|
|
Namespace() string
|
|
}
|
|
|
|
type factory struct {
|
|
flags *pflag.FlagSet
|
|
kubeconfig string
|
|
kubecontext string
|
|
baseName string
|
|
namespace string
|
|
}
|
|
|
|
// NewFactory returns a Factory.
|
|
func NewFactory(baseName string) Factory {
|
|
f := &factory{
|
|
flags: pflag.NewFlagSet("", pflag.ContinueOnError),
|
|
baseName: baseName,
|
|
}
|
|
|
|
if config, err := LoadConfig(); err == nil {
|
|
f.namespace = config[ConfigKeyNamespace]
|
|
} else {
|
|
fmt.Fprintf(os.Stderr, "WARNING: error retrieving namespace from config file: %v\n", err)
|
|
}
|
|
|
|
if f.namespace == "" {
|
|
f.namespace = v1.DefaultNamespace
|
|
}
|
|
|
|
f.flags.StringVar(&f.kubeconfig, "kubeconfig", "", "Path to the kubeconfig file to use to talk to the Kubernetes apiserver. If unset, try the environment variable KUBECONFIG, as well as in-cluster configuration")
|
|
f.flags.StringVarP(&f.namespace, "namespace", "n", f.namespace, "The namespace in which Velero should operate")
|
|
f.flags.StringVar(&f.kubecontext, "kubecontext", "", "The context to use to talk to the Kubernetes apiserver. If unset defaults to whatever your current-context is (kubectl config current-context)")
|
|
|
|
return f
|
|
}
|
|
|
|
func (f *factory) BindFlags(flags *pflag.FlagSet) {
|
|
flags.AddFlagSet(f.flags)
|
|
}
|
|
|
|
func (f *factory) Client() (clientset.Interface, error) {
|
|
clientConfig, err := Config(f.kubeconfig, f.kubecontext, f.baseName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
veleroClient, err := clientset.NewForConfig(clientConfig)
|
|
if err != nil {
|
|
return nil, errors.WithStack(err)
|
|
}
|
|
return veleroClient, nil
|
|
}
|
|
|
|
func (f *factory) KubeClient() (kubernetes.Interface, error) {
|
|
clientConfig, err := Config(f.kubeconfig, f.kubecontext, f.baseName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
kubeClient, err := kubernetes.NewForConfig(clientConfig)
|
|
if err != nil {
|
|
return nil, errors.WithStack(err)
|
|
}
|
|
return kubeClient, nil
|
|
}
|
|
|
|
func (f *factory) DynamicClient() (dynamic.Interface, error) {
|
|
clientConfig, err := Config(f.kubeconfig, f.kubecontext, f.baseName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
dynamicClient, err := dynamic.NewForConfig(clientConfig)
|
|
if err != nil {
|
|
return nil, errors.WithStack(err)
|
|
}
|
|
return dynamicClient, nil
|
|
}
|
|
|
|
func (f *factory) Namespace() string {
|
|
return f.namespace
|
|
}
|