def check_if_required(self):
"""The hack is required if we're going to upgrade from 5.0.1
and only repo path for 5.0.1 is exists
"""
return (self.config.from_version == '5.0.1' and
utils.file_exists(self.repo_path) and
utils.file_exists(self.yum_repo_file))
def check_if_required(self):
"""Checks if it's required to run upgrade
:returns: True - if it is required to run this hook
False - if it is not required to run this hook
"""
return all([
utils.file_exists(self.ubuntu_x86_64_old),
not utils.file_exists(self.ubuntu_x86_64_new)])
def check_if_required(self):
"""Checks if it's required to run upgrade
:returns: True - if it is required to run this hook
False - if it is not required to run this hook
"""
return all([
utils.file_exists(self.ubuntu_x86_64_old),
not utils.file_exists(self.ubuntu_x86_64_new)])
def make_pg_dump(self, pg_dump_tmp_path, pg_dump_path):
"""Run postgresql dump in container
:param str pg_dump_tmp_path: path to temporary dump file
:param str pg_dump_path: path to dump which will be restored
in the new container, if this file is
exists, it means the user already
ran upgrade and for some reasons it
failed
:returns: True if db was successfully dumped or if dump exists
False if container isn't running or dump isn't succeed
"""
try:
container_name = self.make_container_name('postgres',
self.from_version)
self.exec_cmd_in_container(
container_name,
u"su postgres -c 'pg_dumpall --clean' > {0}".format(
pg_dump_tmp_path))
except (errors.ExecutedErrorNonZeroExitCode,
errors.CannotFindContainerError) as exc:
utils.remove_if_exists(pg_dump_tmp_path)
if not utils.file_exists(pg_dump_path):
logger.debug('Failed to make database dump %s', exc)
return False
logger.debug(
u'Failed to make database dump, '
'will be used dump from previous run: %s', exc)
return True
def make_pg_dump(self, pg_dump_tmp_path, pg_dump_path):
"""Run postgresql dump in container
:param str pg_dump_tmp_path: path to temporary dump file
:param str pg_dump_path: path to dump which will be restored
in the new container, if this file is
exists, it means the user already
ran upgrade and for some reasons it
failed
:returns: True if db was successfully dumped or if dump exists
False if container isn't running or dump isn't succeed
"""
try:
container_name = self.make_container_name(
'postgres', self.from_version)
self.exec_cmd_in_container(
container_name,
u"su postgres -c 'pg_dumpall --clean' > {0}".format(
pg_dump_tmp_path))
except (errors.ExecutedErrorNonZeroExitCode,
errors.CannotFindContainerError) as exc:
utils.remove_if_exists(pg_dump_tmp_path)
if not utils.file_exists(pg_dump_path):
logger.debug('Failed to make database dump %s', exc)
return False
logger.debug(
u'Failed to make database dump, '
'will be used dump from previous run: %s', exc)
return True
def save_astute_keys(self):
"""Copy any astute generated keys."""
container_name = self.make_container_name('astute', self.from_version)
utils.remove(self.config.astute_keys_path)
try:
utils.exec_cmd('docker cp {0}:{1} {2}'.format(
container_name,
self.config.astute_container_keys_path,
self.config.working_directory))
except errors.ExecutedErrorNonZeroExitCode as exc:
# If there was error, mostly it's because of error
#
# Error: Could not find the file /var/lib/astute
# in container fuel-core-5.0-astute
#
# It means that user didn't run deployment on his
# env, because this directory is created by orchestrator
# during the first deployment.
# Also it can fail if there was no running container
# in both case we should create empty directory to copy
# it in after container creation section
logger.debug(
'Cannot copy astute keys, creating empty directory '
'%s: %s', self.config.astute_keys_path, exc)
if not utils.file_exists(self.config.astute_keys_path):
os.mkdir(self.config.astute_keys_path)
def run(self):
"""Move files to new directory
"""
if not utils.file_exists(self.dst_path):
os.makedirs(self.dst_path)
container_name = '{0}{1}-astute'.format(self.config.container_prefix,
self.config.from_version)
try:
utils.exec_cmd('docker cp {0}:{1} {2}'.format(
container_name, self.src_path, self.dst_path))
# we need move and remove folder, because docker copy also folder
# not only content
utils.exec_cmd('mv {0}astute/* {0}'.format(self.dst_path))
utils.exec_cmd('rm -r {0}astute/'.format(self.dst_path))
except errors.ExecutedErrorNonZeroExitCode as exc:
# Error means that user didn't run deployment on his
# env, because this directory is created only then
logger.warning('Cannot copy astute keys %s', exc)
def run(self):
"""Move files to new directory"""
if not utils.file_exists(self.dst_path):
os.makedirs(self.dst_path)
container_name = '{0}{1}-astute'.format(
self.config.container_prefix, self.config.from_version)
try:
utils.exec_cmd('docker cp {0}:{1} {2}'.format(
container_name,
self.src_path,
self.dst_path))
# we need move and remove folder, because docker copy also folder
# not only content
utils.exec_cmd('mv {0}astute/* {0}'.format(self.dst_path))
utils.exec_cmd('rm -r {0}astute/'.format(self.dst_path))
except errors.ExecutedErrorNonZeroExitCode as exc:
# Error means that user didn't run deployment on his
# env, because this directory is created only then
logger.warning(
'Cannot copy astute keys %s',
exc)
def save_db(self):
"""Saves postgresql database into the file
"""
logger.debug(u'Backup database')
pg_dump_path = os.path.join(self.working_directory, 'pg_dump_all.sql')
pg_dump_files = utils.VersionedFile(pg_dump_path)
pg_dump_tmp_path = pg_dump_files.next_file_name()
try:
container_name = self.make_container_name(
'postgres', self.from_version)
self.exec_cmd_in_container(
container_name,
u"su postgres -c 'pg_dumpall --clean' > {0}".format(
pg_dump_tmp_path))
except (errors.ExecutedErrorNonZeroExitCode,
errors.CannotFindContainerError) as exc:
utils.remove_if_exists(pg_dump_tmp_path)
if not utils.file_exists(pg_dump_path):
raise
logger.debug(
u'Failed to make database dump, '
'will be used dump from previous run: %s', exc)
valid_dumps = filter(utils.verify_postgres_dump,
pg_dump_files.sorted_files())
if valid_dumps:
utils.hardlink(valid_dumps[0], pg_dump_path, overwrite=True)
map(utils.remove_if_exists,
valid_dumps[self.config.keep_db_backups_count:])
else:
raise errors.DatabaseDumpError(
u'Failed to make database dump, there '
'are no valid database backup '
'files, {0}'.format(pg_dump_path))
def test_file_exists_returns_false(self, exists_mock):
self.assertFalse(utils.file_exists('path'))
exists_mock.assert_called_once_with('path')
def test_file_exists_returns_false(self, exists_mock):
self.assertFalse(utils.file_exists('path'))
exists_mock.assert_called_once_with('path')