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kubectl.go
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kubectl.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2020 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package kubectl
import (
"bytes"
"os/exec"
"tkestack.io/tke/pkg/util/env"
)
const (
envKey = "KUBECTL"
defaultValue = "kubectl"
)
func cmd() *exec.Cmd {
return exec.Command(bin())
}
func bin() string {
return env.GetEnvAsStringOrFallback(envKey, defaultValue)
}
// Validate validates a k8s object.
func Validate(object []byte) ([]byte, error) {
cmd := cmd()
cmd.Args = append(cmd.Args, "apply", "--dry-run=client", "-f", "-")
cmd.Stdin = bytes.NewBuffer(object)
return cmd.CombinedOutput()
}