kustomize-controller/internal/controller/utils.go

54 lines
1.4 KiB
Go

/*
Copyright 2022 The Flux 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 controller
import (
"fmt"
"os"
"path/filepath"
"github.com/fluxcd/pkg/ssa"
)
// MkdirTempAbs creates a tmp dir and returns the absolute path to the dir.
// This is required since certain OSes like MacOS create temporary files in
// e.g. `/private/var`, to which `/var` is a symlink.
func MkdirTempAbs(dir, pattern string) (string, error) {
tmpDir, err := os.MkdirTemp(dir, pattern)
if err != nil {
return "", err
}
tmpDir, err = filepath.EvalSymlinks(tmpDir)
if err != nil {
return "", fmt.Errorf("error evaluating symlink: %w", err)
}
return tmpDir, nil
}
// HasChanged evaluates the given action and returns true
// if the action type matches a resource mutation or deletion.
func HasChanged(action ssa.Action) bool {
switch action {
case ssa.SkippedAction:
return false
case ssa.UnchangedAction:
return false
default:
return true
}
}