本文整理汇总了Python中charmhelpers.core.host.mount方法的典型用法代码示例。如果您正苦于以下问题：Python host.mount方法的具体用法？Python host.mount怎么用？Python host.mount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charmhelpers.core.host的用法示例。
在下文中一共展示了host.mount方法的4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: test_mounts_and_persist_a_device
# 需要导入模块: from charmhelpers.core import host [as 别名]
# 或者: from charmhelpers.core.host import mount [as 别名]
def test_mounts_and_persist_a_device(self, log, check_output, fstab):
"""Check if a mount works with the persist flag set to True
"""
device = '/dev/guido'
mountpoint = '/mnt/guido'
options = 'foo,bar'
result = host.mount(device, mountpoint, options, persist=True)
self.assertTrue(result)
check_output.assert_called_with(['mount', '-o', 'foo,bar',
'/dev/guido', '/mnt/guido'])
fstab.add.assert_called_with('/dev/guido', '/mnt/guido', 'ext3',
options='foo,bar')
result = host.mount(device, mountpoint, options, persist=True,
filesystem="xfs")
self.assertTrue(result)
fstab.add.assert_called_with('/dev/guido', '/mnt/guido', 'xfs',
options='foo,bar') 示例2: mount_volume
# 需要导入模块: from charmhelpers.core import host [as 别名]
# 或者: from charmhelpers.core.host import mount [as 别名]
def mount_volume(config):
if os.path.exists(config['mountpoint']):
if not os.path.isdir(config['mountpoint']):
hookenv.log('Not a directory: {}'.format(config['mountpoint']))
raise VolumeConfigurationError()
else:
host.mkdir(config['mountpoint'])
if os.path.ismount(config['mountpoint']):
unmount_volume(config)
if not host.mount(config['device'], config['mountpoint'], persist=True):
raise VolumeConfigurationError() 示例3: managed_mounts
# 需要导入模块: from charmhelpers.core import host [as 别名]
# 或者: from charmhelpers.core.host import mount [as 别名]
def managed_mounts():
'''List of all mounted managed volumes'''
return filter(lambda mount: mount[0].startswith(MOUNT_BASE), host.mounts()) 示例4: configure_volume
# 需要导入模块: from charmhelpers.core import host [as 别名]
# 或者: from charmhelpers.core.host import mount [as 别名]
def configure_volume(before_change=lambda: None, after_change=lambda: None):
'''Set up storage (or don't) according to the charm's volume configuration.
Returns the mount point or "ephemeral". before_change and after_change
are optional functions to be called if the volume configuration changes.
'''
config = get_config()
if not config:
hookenv.log('Failed to read volume configuration', hookenv.CRITICAL)
raise VolumeConfigurationError()
if config['ephemeral']:
if os.path.ismount(config['mountpoint']):
before_change()
unmount_volume(config)
after_change()
return 'ephemeral'
else:
# persistent storage
if os.path.ismount(config['mountpoint']):
mounts = dict(managed_mounts())
if mounts.get(config['mountpoint']) != config['device']:
before_change()
unmount_volume(config)
mount_volume(config)
after_change()
else:
before_change()
mount_volume(config)
after_change()
return config['mountpoint']