def rollback(self):
if self.use_bind:
if self.is_mounted(self.destination):
debug('Unmounting ...')
run('umount %s' % self.destination)
else:
debug('Not mounted. Nothing to unmount.')
else:
if os.path.exists(self.destination):
debug('Unlinking ...')
run('rm %s' % self.destination)
else:
debug('Not linked. Nothing to unlink.')
def apply(self):
if self.use_bind:
if not self.is_mounted(self.destination):
debug('Mounting ...')
run('mount --bind %s %s' % (self.source, self.destination))
else:
debug('Already mounted.')
else:
if not os.path.exists(self.destination):
debug('Linking ...')
run('ln -s %s %s' % (self.source, self.destination))
else:
debug('Already linked.')
def _exec_action(self, action):
valid_actions = ('start', 'restart', 'reload')
if action not in valid_actions:
raise Exception('Unknown service action "%s". Valid actions for upstart are: %s' % (
self.action,
', '.join(valid_actions)
))
action_ = '%s %s' % (action, self.name)
debug('Exec action: %s' % action_)
try:
run(action_, ignore_errors=True)
except CalledProcessError as e:
error('Exec failed: %s' % e.message)
def exec_bash_script(script):
script = compile_content(script)
if "\n" in script:
f = NamedTemporaryFile(delete=False)
f.write(script)
f.close()
if user:
subprocess.call(['chown', user, f.name])
command = 'bash %s' % f.name
if user:
command = 'su -c "%s" - %s ' % (command, user)
debug('bash$ %s' % command)
debug('\n\n%s\n' % script)
run(command)
os.unlink(f.name)
else:
if user:
script = 'su -c "%s" - %s ' % (script, user)
run(script, log_output=True)
def is_mounted(self, path):
return path in run('mount -l', ignore_errors=True)
def exec_script(script):
script = compile_content(script)
run(script, log_output=True)
def _exec_action(self, action):
try:
run('service %s %s' % (self.name, action))
except CalledProcessError as e:
error('Exec failed: %s' % e.message)
def rollback(self):
try:
pwd.getpwnam(self.name)
run('userdel %s' % self.name)
except KeyError:
pass
def apply(self):
try:
pwd.getpwnam(self.name)
except KeyError:
run('useradd %s' % self.name)