def version_control(version=None):
"""
Place a database under migration control
"""
sql_connection = CONF.sql_connection
try:
_version_control(version)
except versioning_exceptions.DatabaseAlreadyControlledError, e:
msg = (_("database is already under migration control"))
raise exception.DatabaseMigrationError(msg)
def version_control(conf, version=None):
"""
Place a database under migration control
:param conf: conf dict
"""
sql_connection = conf.sql_connection
try:
_version_control(conf, version)
except versioning_exceptions.DatabaseAlreadyControlledError, e:
msg = (_("database '%(sql_connection)s' is already under migration "
"control") % locals())
raise exception.DatabaseMigrationError(msg)
def db_version():
"""
Return the database's current migration number
:retval version number
"""
repo_path = get_migrate_repo_path()
sql_connection = CONF.sql_connection
try:
return versioning_api.db_version(sql_connection, repo_path)
except versioning_exceptions.DatabaseNotControlledError, e:
msg = (_("database is not under migration control"))
raise exception.DatabaseMigrationError(msg)
def version_control(options):
"""
Place a database under migration control
:param options: options dict
"""
sql_connection = options['sql_connection']
try:
_version_control(options)
except versioning_exceptions.DatabaseAlreadyControlledError, e:
msg = (_("database '%(sql_connection)s' is already under migration "
"control") % locals())
raise exception.DatabaseMigrationError(msg)
def db_sync(version=None, current_version=None):
"""
Place a database under migration control and perform an upgrade
:retval version number
"""
sql_connection = CONF.sql_connection
try:
_version_control(current_version)
except versioning_exceptions.DatabaseAlreadyControlledError, e:
if current_version is not None:
msg = (_("database '%(sql_connection)s' is already under "
"migration control") % locals())
raise exception.DatabaseMigrationError(msg)
def db_version(conf):
"""
Return the database's current migration number
:param conf: conf dict
:retval version number
"""
repo_path = get_migrate_repo_path()
sql_connection = conf.sql_connection
try:
return versioning_api.db_version(sql_connection, repo_path)
except versioning_exceptions.DatabaseNotControlledError, e:
msg = (_("database '%(sql_connection)s' is not under "
"migration control") % locals())
raise exception.DatabaseMigrationError(msg)
