util

Documentation

Index

• func AppendEnvironmentFile(filePath string, kv []KeyValuePair, perm os.FileMode) (bool, error)
• func EnsureDirectory(dirPath string, perm os.FileMode) error
• func EnsureDirectoryOf(filePath string, perm os.FileMode) error
• func UpdateFile(log *logging.Logger, filePath string, content []byte, perm os.FileMode) (bool, error)
• func WeaveNameFromMachineID(machineID string) (string, error)
• type KeyValuePair

Functions

func AppendEnvironmentFile

func AppendEnvironmentFile(filePath string, kv []KeyValuePair, perm os.FileMode) (bool, error)

AppendEnvironmentFile ensures that all given key-value pairs are up to date in the given file. If the file does not exist, it is created. Returns: true if the file is created or updated, false otherwise.

func EnsureDirectory

func EnsureDirectory(dirPath string, perm os.FileMode) error

EnsureDirectory checks if a directory with given path exists and if not creates it. If such a path does exist, it checks if it is a directory, if not an error is returned.

func EnsureDirectoryOf

func EnsureDirectoryOf(filePath string, perm os.FileMode) error

EnsureDirectoryOf checks if the directory of the given file path exists and if not creates it. If such a path does exist, it checks if it is a directory, if not an error is returned.

func UpdateFile

func UpdateFile(log *logging.Logger, filePath string, content []byte, perm os.FileMode) (bool, error)

UpdateFile compares the given content with the context of the file at the given filePath and if the content is different, the file is updated. If the file does not exist, it is created. Returns: true if the file is created or updated, false otherwise.

func WeaveNameFromMachineID

func WeaveNameFromMachineID(machineID string) (string, error)

WeaveNameFromMachineID converts a machine ID into a weave peer name.

Types

type KeyValuePair

type KeyValuePair struct {
	Key   string
	Value string
}