def test_get_wsrep_provider_options(self, mock_config):
# Empty
_config = {"min-cluster-size": 3}
mock_config.side_effect = lambda key: _config.get(key)
expected = ""
self.assertEqual(percona_utils.get_wsrep_provider_options(), expected)
# IPv6 only
_config = {"prefer-ipv6": True}
mock_config.side_effect = lambda key: _config.get(key)
expected = "gmcast.listen_addr=tcp://:::4567"
self.assertEqual(percona_utils.get_wsrep_provider_options(), expected)
# ipv6 and peer_timeout
_config = {"peer-timeout": "PT15S", "prefer-ipv6": True}
mock_config.side_effect = lambda key: _config.get(key)
expected = ("gmcast.listen_addr=tcp://:::4567;"
"gmcast.peer_timeout=PT15S")
self.assertEqual(percona_utils.get_wsrep_provider_options(), expected)
# peer_timeout bad setting
_config = {"peer-timeout": "10"}
mock_config.side_effect = lambda key: _config.get(key)
with self.assertRaises(ValueError):
percona_utils.get_wsrep_provider_options()
_config = {"peer-timeout": "PT10M"}
mock_config.side_effect = lambda key: _config.get(key)
with self.assertRaises(ValueError):
percona_utils.get_wsrep_provider_options()
def render_config(hosts=None):
if hosts is None:
hosts = []
config_file = resolve_cnf_file()
if not os.path.exists(os.path.dirname(config_file)):
os.makedirs(os.path.dirname(config_file))
context = {
'cluster_name': 'juju_cluster',
'private_address': get_cluster_host_ip(),
'cluster_hosts': ",".join(hosts),
'sst_method': config('sst-method'),
'sst_password': sst_password(),
'innodb_file_per_table': config('innodb-file-per-table'),
'table_open_cache': config('table-open-cache'),
'lp1366997_workaround': config('lp1366997-workaround'),
'binlogs_path': config('binlogs-path'),
'enable_binlogs': config('enable-binlogs'),
'binlogs_max_size': config('binlogs-max-size'),
'binlogs_expire_days': config('binlogs-expire-days'),
'performance_schema': config('performance-schema'),
'is_leader': is_leader(),
'server_id': get_server_id(),
}
if config('prefer-ipv6'):
# NOTE(hopem): this is a kludge to get percona working with ipv6.
# See lp 1380747 for more info. This is intended as a stop gap until
# percona package is fixed to support ipv6.
context['bind_address'] = '::'
context['ipv6'] = True
else:
context['ipv6'] = False
wsrep_provider_options = get_wsrep_provider_options()
if wsrep_provider_options:
context['wsrep_provider_options'] = wsrep_provider_options
if CompareHostReleases(lsb_release()['DISTRIB_CODENAME']) < 'bionic':
# myisam_recover is not valid for PXC 5.7 (introduced in Bionic) so we
# only set it for PXC 5.6.
context['myisam_recover'] = 'BACKUP'
context['wsrep_provider'] = '/usr/lib/libgalera_smm.so'
elif CompareHostReleases(lsb_release()['DISTRIB_CODENAME']) >= 'bionic':
context['wsrep_provider'] = '/usr/lib/galera3/libgalera_smm.so'
context['default_storage_engine'] = 'InnoDB'
context['wsrep_log_conflicts'] = True
context['innodb_autoinc_lock_mode'] = '2'
context['pxc_strict_mode'] = config('pxc-strict-mode')
context.update(PerconaClusterHelper().parse_config())
render(os.path.basename(config_file), config_file, context, perms=0o444)
def render_config(hosts=None):
if hosts is None:
hosts = []
config_file = resolve_cnf_file()
if not os.path.exists(os.path.dirname(config_file)):
os.makedirs(os.path.dirname(config_file))
context = {
'cluster_name': 'juju_cluster',
'private_address': get_cluster_host_ip(),
'cluster_hosts': ",".join(hosts),
'sst_method': config('sst-method'),
'sst_password': sst_password(),
'innodb_file_per_table': config('innodb-file-per-table'),
'table_open_cache': config('table-open-cache'),
'binlogs_path': config('binlogs-path'),
'enable_binlogs': config('enable-binlogs'),
'binlogs_max_size': config('binlogs-max-size'),
'binlogs_expire_days': config('binlogs-expire-days'),
'performance_schema': config('performance-schema'),
'is_leader': is_leader(),
'server_id': get_server_id(),
'series_upgrade': is_unit_upgrading_set(),
}
if config('prefer-ipv6'):
# NOTE(hopem): this is a kludge to get percona working with ipv6.
# See lp 1380747 for more info. This is intended as a stop gap until
# percona package is fixed to support ipv6.
context['bind_address'] = '::'
context['ipv6'] = True
else:
context['ipv6'] = False
wsrep_provider_options = get_wsrep_provider_options()
if wsrep_provider_options:
context['wsrep_provider_options'] = wsrep_provider_options
if config('wsrep-slave-threads') is not None:
context['wsrep_slave_threads'] = config('wsrep-slave-threads')
if CompareHostReleases(lsb_release()['DISTRIB_CODENAME']) < 'bionic':
# myisam_recover is not valid for PXC 5.7 (introduced in Bionic) so we
# only set it for PXC 5.6.
context['myisam_recover'] = 'BACKUP'
context['wsrep_provider'] = '/usr/lib/libgalera_smm.so'
if 'wsrep_slave_threads' not in context:
context['wsrep_slave_threads'] = 1
elif CompareHostReleases(lsb_release()['DISTRIB_CODENAME']) >= 'bionic':
context['wsrep_provider'] = '/usr/lib/galera3/libgalera_smm.so'
context['default_storage_engine'] = 'InnoDB'
context['wsrep_log_conflicts'] = True
context['innodb_autoinc_lock_mode'] = '2'
context['pxc_strict_mode'] = config('pxc-strict-mode')
if 'wsrep_slave_threads' not in context:
context['wsrep_slave_threads'] = 48
if config('databases-to-replicate'):
context['databases_to_replicate'] = get_databases_to_replicate()
context['server-id'] = get_server_id()
context.update(PerconaClusterHelper().parse_config())
render(os.path.basename(config_file), config_file, context, perms=0o444)