本文整理汇总了Python中trove.guestagent.common.configuration.ConfigurationManager.has_system_override方法的典型用法代码示例。如果您正苦于以下问题：Python ConfigurationManager.has_system_override方法的具体用法？Python ConfigurationManager.has_system_override怎么用？Python ConfigurationManager.has_system_override使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类trove.guestagent.common.configuration.ConfigurationManager的用法示例。
在下文中一共展示了ConfigurationManager.has_system_override方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: PgSqlApp
# 需要导入模块: from trove.guestagent.common.configuration import ConfigurationManager [as 别名]
# 或者: from trove.guestagent.common.configuration.ConfigurationManager import has_system_override [as 别名]
#.........这里部分代码省略.........
#
# Make the rules readable only by the Postgres service.
#
# NOTE: The order of entries is important.
# The first failure to authenticate stops the lookup.
# That is why the 'local' connections validate first.
# The OrderedDict is necessary to guarantee the iteration order.
local_admins = ','.join([self.default_superuser_name, self.ADMIN_USER])
remote_admins = self.ADMIN_USER
access_rules = OrderedDict(
[('local', [['all', local_admins, None, 'trust'],
['replication', local_admins, None, 'trust'],
['all', 'all', None, 'md5']]),
('host', [['all', local_admins, '127.0.0.1/32', 'trust'],
['all', local_admins, '::1/128', 'trust'],
['all', local_admins, 'localhost', 'trust'],
['all', remote_admins, '0.0.0.0/0', 'reject'],
['all', remote_admins, '::/0', 'reject'],
['all', 'all', '0.0.0.0/0', 'md5'],
['all', 'all', '::/0', 'md5']])
])
operating_system.write_file(self.pgsql_hba_config, access_rules,
PropertiesCodec(
string_mappings={'\t': None}),
as_root=True)
operating_system.chown(self.pgsql_hba_config,
self.pgsql_owner, self.pgsql_owner,
as_root=True)
operating_system.chmod(self.pgsql_hba_config, FileMode.SET_USR_RO,
as_root=True)
def disable_backups(self):
"""Reverse overrides applied by PgBaseBackup strategy"""
if not self.configuration_manager.has_system_override(
BACKUP_CFG_OVERRIDE):
return
LOG.info("Removing configuration changes for backups")
self.configuration_manager.remove_system_override(BACKUP_CFG_OVERRIDE)
self.remove_wal_archive_dir()
self.restart()
def enable_backups(self):
"""Apply necessary changes to config to enable WAL-based backups
if we are using the PgBaseBackup strategy
"""
LOG.info("Checking if we need to apply changes to WAL config")
if 'PgBaseBackup' not in self.backup_strategy:
return
if self.configuration_manager.has_system_override(BACKUP_CFG_OVERRIDE):
return
LOG.info("Applying changes to WAL config for use by base backups")
arch_cmd = "'test ! -f {wal_arch}/%f && cp %p {wal_arch}/%f'".format(
wal_arch=self.wal_archive_location
)
opts = {
# FIXME(atomic77) These spaces after the options are needed until
# DBAAS-949 is fixed
'wal_level ': 'hot_standby',
'archive_mode ': 'on',
'max_wal_senders': 8,
# 'checkpoint_segments ': 8,
'wal_keep_segments': 8,
'archive_command': arch_cmd
}
if self.pg_version[1] in ('9.4', '9.5'):