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livecmd.go
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livecmd.go
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// Copyright 2020 Google LLC
//
// 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 (
"context"
"flag"
"fmt"
"os"
"github.com/GoogleContainerTools/kpt/internal/cmdapply"
"github.com/GoogleContainerTools/kpt/internal/cmddestroy"
"github.com/GoogleContainerTools/kpt/internal/cmdliveinit"
"github.com/GoogleContainerTools/kpt/internal/cmdmigrate"
"github.com/GoogleContainerTools/kpt/internal/docs/generated/livedocs"
"github.com/GoogleContainerTools/kpt/internal/util/cfgflags"
"github.com/GoogleContainerTools/kpt/pkg/live"
"github.com/GoogleContainerTools/kpt/thirdparty/cli-utils/status"
"github.com/spf13/cobra"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/klog/v2"
cluster "k8s.io/kubectl/pkg/cmd/util"
"sigs.k8s.io/cli-utils/pkg/manifestreader"
"sigs.k8s.io/cli-utils/pkg/provider"
"sigs.k8s.io/cli-utils/pkg/util/factory"
)
func GetLiveCommand(ctx context.Context, _, version string) *cobra.Command {
liveCmd := &cobra.Command{
Use: "live",
Short: livedocs.LiveShort,
Long: livedocs.LiveShort + "\n" + livedocs.LiveLong,
RunE: func(cmd *cobra.Command, args []string) error {
h, err := cmd.Flags().GetBool("help")
if err != nil {
return err
}
if h {
return cmd.Help()
}
return cmd.Usage()
},
}
ioStreams := genericclioptions.IOStreams{
In: os.Stdin,
Out: os.Stdout,
ErrOut: os.Stderr,
}
f := newFactory(liveCmd, version)
rgProvider := live.NewResourceGroupProvider(f)
// Init command which updates a Kptfile for the ResourceGroup inventory object.
klog.V(2).Infoln("init command updates Kptfile for ResourceGroup inventory")
initCmd := cmdliveinit.NewCommand(ctx, f, ioStreams)
applyCmd := cmdapply.NewCommand(ctx, rgProvider, ioStreams)
destroyCmd := cmddestroy.NewCommand(ctx, rgProvider, ioStreams)
statusCmd := status.NewCommand(ctx, rgProvider, ioStreams)
installRGCmd := GetInstallRGRunner(f, ioStreams).Command
liveCmd.AddCommand(initCmd, applyCmd, destroyCmd, statusCmd, installRGCmd)
// Add the migrate command to change from ConfigMap to ResourceGroup inventory
// object.
klog.V(2).Infoln("adding kpt live migrate command")
cmProvider := provider.NewProvider(f)
// TODO: Remove the loader implementation for ConfigMap once we remove the
// migrate command.
cmLoader := manifestreader.NewManifestLoader(f)
migrateCmd := cmdmigrate.NewCommand(ctx, cmProvider, rgProvider, cmLoader, ioStreams)
liveCmd.AddCommand(migrateCmd)
return liveCmd
}
func newFactory(cmd *cobra.Command, version string) cluster.Factory {
flags := cmd.PersistentFlags()
kubeConfigFlags := genericclioptions.NewConfigFlags(true).WithDeprecatedPasswordFlag()
kubeConfigFlags.AddFlags(flags)
userAgentKubeConfigFlags := &cfgflags.UserAgentKubeConfigFlags{
Delegate: kubeConfigFlags,
UserAgent: fmt.Sprintf("kpt/%s", version),
}
matchVersionKubeConfigFlags := cluster.NewMatchVersionFlags(
&factory.CachingRESTClientGetter{
Delegate: userAgentKubeConfigFlags,
},
)
matchVersionKubeConfigFlags.AddFlags(cmd.PersistentFlags())
cmd.PersistentFlags().AddGoFlagSet(flag.CommandLine)
return cluster.NewFactory(matchVersionKubeConfigFlags)
}