def __init__(self, config):
"""
PostgreSQL connection constructor.
:param barman.config.ServerConfig config: the server configuration
"""
# Check that 'conninfo' option is properly set
if config.conninfo is None:
raise ConninfoException(
"Missing 'conninfo' parameter for server '%s'" % config.name)
super(PostgreSQLConnection, self).__init__(config, config.conninfo)
self.configuration_files = None
def __init__(self, config):
"""
Streaming connection constructor
:param barman.config.ServerConfig config: the server configuration
"""
if config.streaming_conninfo is None:
raise ConninfoException(
'Missing streaming_conninfo parameter in barman configuration '
'for server %s' % config.name
)
super(StreamingConnection, self).__init__(config,
config.streaming_conninfo)
# Make sure we connect using the 'replication' option which
# triggers streaming replication protocol communication
if 'replication' not in self.conn_parameters:
self.conn_parameters['replication'] = 'true'
self.conninfo += ' replication=true'
def __init__(self, config):
"""
Streaming connection constructor
:param barman.config.ServerConfig config: the server configuration
"""
if config.streaming_conninfo is None:
raise ConninfoException(
"Missing 'streaming_conninfo' parameter for server '%s'" %
config.name)
super(StreamingConnection, self).__init__(config,
config.streaming_conninfo)
# Make sure we connect using the 'replication' option which
# triggers streaming replication protocol communication
self.conn_parameters['replication'] = 'true'
# Override 'dbname' parameter. This operation is required to mimic
# the behaviour of pg_receivexlog and pg_basebackup
self.conn_parameters['dbname'] = 'replication'
# Rebuild the conninfo string from the modified parameter lists
self.conninfo = self.encode_dsn(self.conn_parameters)
def __init__(self, config, conninfo):
"""
Abstract base class constructor for PostgreSQL interface.
:param barman.config.ServerConfig config: the server configuration
:param str conninfo: Connection information (aka DSN)
"""
super(PostgreSQL, self).__init__()
assert conninfo
self.config = config
self.conninfo = conninfo
self._conn = None
# Build a dictionary with connection info parameters
# This is mainly used to speed up search in conninfo
try:
self.conn_parameters = self.parse_dsn(conninfo)
except (ValueError, TypeError) as e:
_logger.debug(e)
raise ConninfoException('Cannot connect to postgres: "%s" '
'is not a valid connection string' %
conninfo)
