File size: 5,119 Bytes
065fee7 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 |
from .. import errors, utils
class VolumeApiMixin:
def volumes(self, filters=None):
"""
List volumes currently registered by the docker daemon. Similar to the
``docker volume ls`` command.
Args:
filters (dict): Server-side list filtering options.
Returns:
(dict): Dictionary with list of volume objects as value of the
``Volumes`` key.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
Example:
>>> client.api.volumes()
{u'Volumes': [{u'Driver': u'local',
u'Mountpoint': u'/var/lib/docker/volumes/foobar/_data',
u'Name': u'foobar'},
{u'Driver': u'local',
u'Mountpoint': u'/var/lib/docker/volumes/baz/_data',
u'Name': u'baz'}]}
"""
params = {
'filters': utils.convert_filters(filters) if filters else None
}
url = self._url('/volumes')
return self._result(self._get(url, params=params), True)
def create_volume(self, name=None, driver=None, driver_opts=None,
labels=None):
"""
Create and register a named volume
Args:
name (str): Name of the volume
driver (str): Name of the driver used to create the volume
driver_opts (dict): Driver options as a key-value dictionary
labels (dict): Labels to set on the volume
Returns:
(dict): The created volume reference object
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
Example:
>>> volume = client.api.create_volume(
... name='foobar',
... driver='local',
... driver_opts={'foo': 'bar', 'baz': 'false'},
... labels={"key": "value"},
... )
... print(volume)
{u'Driver': u'local',
u'Labels': {u'key': u'value'},
u'Mountpoint': u'/var/lib/docker/volumes/foobar/_data',
u'Name': u'foobar',
u'Scope': u'local'}
"""
url = self._url('/volumes/create')
if driver_opts is not None and not isinstance(driver_opts, dict):
raise TypeError('driver_opts must be a dictionary')
data = {
'Name': name,
'Driver': driver,
'DriverOpts': driver_opts,
}
if labels is not None:
if utils.compare_version('1.23', self._version) < 0:
raise errors.InvalidVersion(
'volume labels were introduced in API 1.23'
)
if not isinstance(labels, dict):
raise TypeError('labels must be a dictionary')
data["Labels"] = labels
return self._result(self._post_json(url, data=data), True)
def inspect_volume(self, name):
"""
Retrieve volume info by name.
Args:
name (str): volume name
Returns:
(dict): Volume information dictionary
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
Example:
>>> client.api.inspect_volume('foobar')
{u'Driver': u'local',
u'Mountpoint': u'/var/lib/docker/volumes/foobar/_data',
u'Name': u'foobar'}
"""
url = self._url('/volumes/{0}', name)
return self._result(self._get(url), True)
@utils.minimum_version('1.25')
def prune_volumes(self, filters=None):
"""
Delete unused volumes
Args:
filters (dict): Filters to process on the prune list.
Returns:
(dict): A dict containing a list of deleted volume names and
the amount of disk space reclaimed in bytes.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
"""
params = {}
if filters:
params['filters'] = utils.convert_filters(filters)
url = self._url('/volumes/prune')
return self._result(self._post(url, params=params), True)
def remove_volume(self, name, force=False):
"""
Remove a volume. Similar to the ``docker volume rm`` command.
Args:
name (str): The volume's name
force (bool): Force removal of volumes that were already removed
out of band by the volume driver plugin.
Raises:
:py:class:`docker.errors.APIError`
If volume failed to remove.
"""
params = {}
if force:
if utils.version_lt(self._version, '1.25'):
raise errors.InvalidVersion(
'force removal was introduced in API 1.25'
)
params = {'force': force}
url = self._url('/volumes/{0}', name, params=params)
resp = self._delete(url)
self._raise_for_status(resp)
|