87 lines
3.0 KiB
Go
87 lines
3.0 KiB
Go
/*
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Copyright 2022 The Karmada 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 init
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import (
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"fmt"
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"github.com/spf13/pflag"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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aggregator "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"
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"github.com/karmada-io/karmada/pkg/karmadactl/util/apiclient"
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)
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// GlobalCommandOptions holds the configuration shared by the all sub-commands of `karmadactl`.
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type GlobalCommandOptions struct {
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// KubeConfig holds host cluster KUBECONFIG file path.
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KubeConfig string
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Context string
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// KarmadaConfig holds karmada control plane KUBECONFIG file path.
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KarmadaConfig string
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KarmadaContext string
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// Namespace holds the namespace where Karmada components installed
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Namespace string
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// Cluster holds the name of member cluster to enable or disable scheduler estimator
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Cluster string
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KubeClientSet kubernetes.Interface
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KarmadaRestConfig *rest.Config
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KarmadaAggregatorClientSet aggregator.Interface
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}
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// AddFlags adds flags to the specified FlagSet.
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func (o *GlobalCommandOptions) AddFlags(flags *pflag.FlagSet) {
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flags.StringVarP(&o.Namespace, "namespace", "n", "karmada-system", "namespace where Karmada components are installed.")
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flags.StringVar(&o.KubeConfig, "kubeconfig", "", "Path to the host cluster kubeconfig file.")
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flags.StringVar(&o.Context, "context", "", "The name of the kubeconfig context to use.")
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flags.StringVar(&o.KarmadaConfig, "karmada-kubeconfig", "/etc/karmada/karmada-apiserver.config", "Path to the karmada control plane kubeconfig file.")
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flags.StringVar(&o.KarmadaContext, "karmada-context", "", "The name of the karmada control plane kubeconfig context to use.")
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flags.StringVarP(&o.Cluster, "cluster", "C", "", "Name of the member cluster that enables or disables the scheduler estimator.")
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}
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// Complete the conditions required to be able to run list.
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func (o *GlobalCommandOptions) Complete() error {
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restConfig, err := apiclient.RestConfig(o.Context, o.KubeConfig)
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if err != nil {
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return fmt.Errorf("failed to get karmada-host config. error: %v", err)
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}
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o.KubeClientSet, err = apiclient.NewClientSet(restConfig)
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if err != nil {
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return err
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}
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o.KarmadaRestConfig, err = apiclient.RestConfig(o.KarmadaContext, o.KarmadaConfig)
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if err != nil {
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return fmt.Errorf("failed to get karmada-apiserver config from %s. please use --karmada-kubeconfig to point the config file. \n error: %v", o.KarmadaConfig, err)
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}
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o.KarmadaAggregatorClientSet, err = apiclient.NewAPIRegistrationClient(o.KarmadaRestConfig)
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if err != nil {
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return err
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}
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return nil
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}
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