// setCmdState persists given commandState
func setCmdState(log log.T, commandState message.CommandState, absoluteFileName, locationFolder string) {
content, err := jsonutil.Marshal(commandState)
if err != nil {
log.Errorf("encountered error with message %v while marshalling %v to string", err, commandState)
} else {
if fileutil.Exists(absoluteFileName) {
log.Debugf("overwriting contents of %v", absoluteFileName)
}
log.Tracef("persisting interim state %v in file %v", jsonutil.Indent(content), absoluteFileName)
if s, err := fileutil.WriteIntoFileWithPermissions(absoluteFileName, jsonutil.Indent(content), os.FileMode(int(appconfig.ReadWriteAccess))); s && err == nil {
log.Debugf("successfully persisted interim state in %v", locationFolder)
} else {
log.Debugf("persisting interim state in %v failed with error %v", locationFolder, err)
}
}
}
// getCmdState reads commandState from given file
func getCmdState(log log.T, fileName string) message.CommandState {
var commandState message.CommandState
err := jsonutil.UnmarshalFile(fileName, &commandState)
if err != nil {
log.Errorf("encountered error with message %v while reading Interim state of command from file - %v", err, fileName)
} else {
//logging interim state as read from the file
jsonString, err := jsonutil.Marshal(commandState)
if err != nil {
log.Errorf("encountered error with message %v while marshalling %v to string", err, commandState)
} else {
log.Tracef("interim CommandState read from file-system - %v", jsonutil.Indent(jsonString))
}
}
return commandState
}
// PersistData stores the given object in the file-system in pretty Json indented format
// This will override the contents of an already existing file
func PersistData(log log.T, commandID, instanceID, locationFolder string, object interface{}) {
lockDocument(commandID)
defer unlockDocument(commandID)
absoluteFileName := getCmdStateFileName(commandID, instanceID, locationFolder)
content, err := jsonutil.Marshal(object)
if err != nil {
log.Errorf("encountered error with message %v while marshalling %v to string", err, object)
} else {
if fileutil.Exists(absoluteFileName) {
log.Debugf("overwriting contents of %v", absoluteFileName)
}
log.Tracef("persisting interim state %v in file %v", jsonutil.Indent(content), absoluteFileName)
if s, err := fileutil.WriteIntoFileWithPermissions(absoluteFileName, jsonutil.Indent(content), os.FileMode(int(appconfig.ReadWriteAccess))); s && err == nil {
log.Debugf("successfully persisted interim state in %v", locationFolder)
} else {
log.Debugf("persisting interim state in %v failed with error %v", locationFolder, err)
}
}
}