def run_backup():
"""
Main method that performs the backup.
"""
commandArgs = getArgs()
if commandArgs.version:
print("caatinga version: " + __version__)
exit(0)
settings = fn.getSettingsInstance(commandArgs)
lockFileName = settings.hostName + "-caatinga"
SettingsValidator().validate(settings)
bkHome = fn.getBackupHome(settings.backupLocation, settings.hostName)
lockFile = backup.getLockFile("/tmp", lockFileName)
outWriter = fn.getOutputWriter(commandArgs.verbose)
previousBackup = os.path.realpath(fn.getLatestLink(bkHome))
fn.runHooks(settings.preBackupHooksDir)
checkForRegisterOption(settings, commandArgs, bkHome)
insureBackupLocationIsRegistered(
settings.backupLocation,
settings.hostName)
lock(lockFile)
runNonBackupFunctions(bkHome, settings, commandArgs, outWriter, lockFile)
executeBackup(bkHome, previousBackup, settings, outWriter, lockFile)
runMaintenanceFunctions(bkHome, settings, outWriter)
fn.runHooks(settings.postBackupHooksDir)
def listFiles(args, settings):
"""
Main function for the list option.
"""
wordArgs = fn.parseWordArgs(args)
home = fn.getBackupHome(settings.backupLocation, settings.hostName)
backups = fn.getBackupsForArgs(wordArgs, fn.getBackups(home))
backupWd = fn.removeAltRoot(settings.root, os.getcwd())
for id_ in backups.keys():
items = fn.expandGlob(home, backups[id_], backupWd, wordArgs["glob"])
for item in items:
_outputItemInfo(id_, fn.getInfo(item))
def remove(args, settings):
"""
Main function for the remove option.
"""
wordArgs = fn.parseWordArgs(args)
_validateArgs(wordArgs)
home = fn.getBackupHome(settings.backupLocation, settings.hostName)
backups = fn.getBackupsForArgs(wordArgs, fn.getBackups(home))
backupWd = fn.removeAltRoot(settings.root, os.getcwd())
for id_ in backups.keys():
items = fn.expandGlob(home, backups[id_], backupWd, wordArgs["glob"])
for item in items:
_delete(item)
def restore(args, settings):
"""
Main function for the restore option.
"""
wordArgs = fn.parseWordArgs(args)
_validateArgs(wordArgs)
home = fn.getBackupHome(settings.backupLocation, settings.hostName)
fn.insureBackupHomeExists(home)
backup = fn.getBackupOrLatest(wordArgs, home)
cwd = os.getcwd()
backupWd = fn.removeAltRoot(settings.root, cwd)
items = fn.expandGlob(home, backup, backupWd, wordArgs["glob"])
_validateItems(items, wordArgs)
for item in items:
_restoreItem(item, cwd, wordArgs["as"])
def info(args, settings):
"""
Main function for the info option.
"""
backupHome = fn.getBackupHome(settings.backupLocation, settings.hostName)
backupCount = len(fn.getBackups(backupHome))
dtFormat = "%m/%d/%Y %H:%M:%S"
lastBackupRan = fn.toDateTime(
fn.getLatestBackup(backupHome)).strftime(dtFormat)
driveUsagePercentage = fn.getDriveUsagePercentage(backupHome)
fmt = "{0:<20} {1}"
print(fmt.format("Backup location:", settings.backupLocation))
print(fmt.format("Host Name:", settings.hostName))
print(fmt.format("Number of Backups:", backupCount))
print(fmt.format("Last Backup Ran:", lastBackupRan))
print(fmt.format("Drive Capacity:", "{0}%".format(driveUsagePercentage)))
def diff(args, settings):
"""
Main function for the diff option.
"""
wordArgs = fn.parseWordArgs(args)
_validateArgs(wordArgs)
home = fn.getBackupHome(settings.backupLocation, settings.hostName)
fn.insureBackupHomeExists(home)
backup = fn.getBackupOrLatest(wordArgs, home)
cwd = os.getcwd()
backupWd = fn.removeAltRoot(settings.root, cwd)
items = fn.expandGlob(home, backup, backupWd, wordArgs["glob"])
_validateItems(items)
localFile = _getLines(join(cwd, wordArgs["glob"]))
backupFile = _getLines(items[0])
diff = _getDiff()
sys.stdout.writelines(diff(backupFile, localFile))
def changes(args, settings):
"""
Main function for the changes option.
"""
wordArgs = fn.parseWordArgs(args)
_validateArgs(wordArgs)
home = fn.getBackupHome(settings.backupLocation, settings.hostName)
fn.insureBackupHomeExists(home)
backup = fn.getBackupOrLatest(wordArgs, home)
cwd = os.getcwd()
backupWd = fn.removeAltRoot(settings.root, cwd)
backedUpFiles = fn.expandGlob(home, backup, backupWd, "*")
backupDir = join(home, backup) + backupWd
allFiles = set(os.listdir(cwd)).union(map(basename, backedUpFiles))
for item in allFiles:
status = _getStatus(join(cwd, item), join(backupDir, item))
if status:
_outputItem(item, status)
def test_getBackupHome(self):
backupHome = fn.getBackupHome("/mnt/foo", "choco")
self.assertEqual(
backupHome,
"/mnt/foo/Backups.backupdb/choco",
"Incorrect backup home returned: {0}".format(backupHome))
