mirror of
https://github.com/SAP/jenkins-library.git
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39089bed5d
* kanikoExecute: improve user experience * ensure proper tags * update permissions in case a container runs with a different user we need to make sure that the orchestrator user can work on the file * update permissions * ensure availablility of directories on Jenkins * (fix) clean up tmp dir in test * add resilience for incorrect step yaml * incorporate PR feedback
79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
package piperenv
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"github.com/SAP/jenkins-library/pkg/log"
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"github.com/pkg/errors"
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)
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// This file contains functions used to read/write pipeline environment data from/to disk.
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// The content of a written file is the value. For the custom parameters this could for example also be a JSON representation of a more complex value.
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// SetResourceParameter sets a resource parameter in the environment stored in the file system
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func SetResourceParameter(path, resourceName, paramName string, value interface{}) error {
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var content []byte
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paramPath := filepath.Join(path, resourceName, paramName)
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switch typedValue := value.(type) {
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case string:
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content = []byte(typedValue)
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default:
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var err error
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paramPath += ".json"
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content, err = json.Marshal(typedValue)
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if err != nil {
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return errors.Wrapf(err, "failed to marshal resource parameter value %v", typedValue)
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}
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}
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return writeToDisk(paramPath, content)
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}
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// GetResourceParameter reads a resource parameter from the environment stored in the file system
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func GetResourceParameter(path, resourceName, paramName string) string {
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//TODO: align JSON un/marshalling, currently done in pkg/congif/stepmeta.go#getParameterValue
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paramPath := filepath.Join(path, resourceName, paramName)
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return readFromDisk(paramPath)
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}
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// SetParameter sets any parameter in the pipeline environment or another environment stored in the file system
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func SetParameter(path, name, value string) error {
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paramPath := filepath.Join(path, name)
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return writeToDisk(paramPath, []byte(value))
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}
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// GetParameter reads any parameter from the pipeline environment or another environment stored in the file system
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func GetParameter(path, name string) string {
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paramPath := filepath.Join(path, name)
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return readFromDisk(paramPath)
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}
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func writeToDisk(filename string, data []byte) error {
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if _, err := os.Stat(filepath.Dir(filename)); os.IsNotExist(err) {
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log.Entry().Debugf("Creating directory: %v", filepath.Dir(filename))
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os.MkdirAll(filepath.Dir(filename), 0777)
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}
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//ToDo: make sure to not overwrite file but rather add another file? Create error if already existing?
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if len(data) > 0 {
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log.Entry().Debugf("Writing file to disk: %v", filename)
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return ioutil.WriteFile(filename, data, 0766)
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}
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return nil
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}
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func readFromDisk(filename string) string {
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//ToDo: if multiple files exist, read from latest file
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log.Entry().Debugf("Reading file from disk: %v", filename)
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v, err := ioutil.ReadFile(filename)
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val := string(v)
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if err != nil {
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val = ""
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}
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return strings.TrimSpace(val)
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}
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