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update.go
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update.go
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// Copyright 2017 The kubecfg 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 cmd
import (
"github.com/spf13/cobra"
"github.com/ksonnet/kubecfg/pkg/kubecfg"
)
const (
flagCreate = "create"
flagSkipGc = "skip-gc"
flagGcTag = "gc-tag"
flagDryRun = "dry-run"
flagValidate = "validate"
)
func init() {
RootCmd.AddCommand(updateCmd)
updateCmd.PersistentFlags().Bool(flagCreate, true, "Create missing resources")
updateCmd.PersistentFlags().Bool(flagSkipGc, false, "Don't perform garbage collection, even with --"+flagGcTag)
updateCmd.PersistentFlags().String(flagGcTag, "", "Add this tag to updated objects, and garbage collect existing objects with this tag and not in config")
updateCmd.PersistentFlags().Bool(flagDryRun, false, "Perform only read-only operations")
updateCmd.PersistentFlags().Bool(flagValidate, true, "Validate input against server schema")
}
var updateCmd = &cobra.Command{
Use: "update",
Short: "Update Kubernetes resources with local config",
Args: cobra.ArbitraryArgs,
RunE: func(cmd *cobra.Command, args []string) error {
flags := cmd.Flags()
var err error
c := kubecfg.UpdateCmd{}
validate, err := flags.GetBool(flagValidate)
if err != nil {
return err
}
c.Create, err = flags.GetBool(flagCreate)
if err != nil {
return err
}
c.GcTag, err = flags.GetString(flagGcTag)
if err != nil {
return err
}
c.SkipGc, err = flags.GetBool(flagSkipGc)
if err != nil {
return err
}
c.DryRun, err = flags.GetBool(flagDryRun)
if err != nil {
return err
}
c.ClientPool, c.Discovery, err = restClientPool(cmd)
if err != nil {
return err
}
c.DefaultNamespace, err = defaultNamespace(clientConfig)
if err != nil {
return err
}
objs, err := readObjs(cmd, args)
if err != nil {
return err
}
if validate {
v := kubecfg.ValidateCmd{
Discovery: c.Discovery,
}
if err := v.Run(objs, cmd.OutOrStdout()); err != nil {
return err
}
}
return c.Run(objs)
},
}