mirror of https://github.com/kubernetes/kops.git
82 lines
2.0 KiB
Go
82 lines
2.0 KiB
Go
/*
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Copyright 2019 The Kubernetes 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 nodetasks
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import (
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"fmt"
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"strings"
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"k8s.io/klog/v2"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/nodeup/local"
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)
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// Chattr performs a chattr command, in particular to set a file as immutable
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type Chattr struct {
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File string `json:"file"`
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Mode string `json:"mode"`
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Deps []fi.NodeupTask `json:"-"`
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}
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var _ fi.NodeupTask = &Chattr{}
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func (s *Chattr) String() string {
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return fmt.Sprintf("Chattr: chattr %s %s", s.Mode, s.File)
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}
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var _ fi.HasName = &Archive{}
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func (e *Chattr) GetName() *string {
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return fi.PtrTo("Chattr-" + e.File)
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}
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var _ fi.NodeupHasDependencies = &Chattr{}
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// GetDependencies implements HasDependencies::GetDependencies
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func (e *Chattr) GetDependencies(tasks map[string]fi.NodeupTask) []fi.NodeupTask {
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return e.Deps
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}
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func (e *Chattr) Find(c *fi.NodeupContext) (*Chattr, error) {
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// We always re-run the chattr command
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return nil, nil
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}
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func (e *Chattr) Run(c *fi.NodeupContext) error {
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return fi.NodeupDefaultDeltaRunMethod(e, c)
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}
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func (s *Chattr) CheckChanges(a, e, changes *Chattr) error {
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return nil
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}
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func (_ *Chattr) RenderLocal(t *local.LocalTarget, a, e, changes *Chattr) error {
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return e.execute(t)
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}
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func (e *Chattr) execute(t Executor) error {
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chattrCommand := []string{"chattr", e.Mode, e.File}
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klog.Infof("running chattr command chattr %s", chattrCommand)
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if output, err := t.CombinedOutput(chattrCommand); err != nil {
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return fmt.Errorf("error doing %q: %v: %s", strings.Join(chattrCommand, " "), err, string(output))
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}
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return nil
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}
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