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Docker common consolidation (#49707)

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* [docker] Consolidating Python Boolean conversion for Docker API (#49563)

* [docker] Consolidating docker option min version checks (#49564)

* [docker] Moving option min version checks out of docker_swarm (#49564)

Also renaming Boolean cleanup function and fixing docker_container minimum
version check for network interfaces.

* Cleanup from PR feedback
pull/49812/head
Dave Bendit 6 years ago committed by John R Barker
parent 8fcf9e1a28
commit b67719ba1d
5 changed files with 132 additions and 227 deletions
Show Stats Download Patch File Download Diff File

78
lib/ansible/module_utils/docker_common.py
Unescape Escape View File

@ -163,7 +163,8 @@ class AnsibleDockerClient(Client):
def __init__(self, argument_spec=None, supports_check_mode=False, mutually_exclusive=None,
required_together=None, required_if=None, min_docker_version=MIN_DOCKER_VERSION,
min_docker_api_version=None):
min_docker_api_version=None, option_minimal_versions=None,
option_minimal_versions_ignore_params=None):
merged_arg_spec = dict()
merged_arg_spec.update(DOCKER_COMMON_ARGS)
@ -235,6 +236,9 @@ class AnsibleDockerClient(Client):
if self.docker_api_version < LooseVersion(min_docker_api_version):
self.fail('docker API version is %s. Minimum version required is %s.' % (self.docker_api_version_str, min_docker_api_version))
if option_minimal_versions is not None:
self._get_minimal_versions(option_minimal_versions, option_minimal_versions_ignore_params)
def log(self, msg, pretty_print=False):
pass
# if self.debug:
@ -416,6 +420,58 @@ class AnsibleDockerClient(Client):
% (self.auth_params['tls_hostname'], match.group(1), match.group(1)))
self.fail("SSL Exception: %s" % (error))
def _get_minimal_versions(self, option_minimal_versions, ignore_params=None):
self.option_minimal_versions = dict()
for option in self.module.argument_spec:
if ignore_params is not None:
if option in ignore_params:
continue
self.option_minimal_versions[option] = dict()
self.option_minimal_versions.update(option_minimal_versions)
for option, data in self.option_minimal_versions.items():
# Test whether option is supported, and store result
support_docker_py = True
support_docker_api = True
if 'docker_py_version' in data:
support_docker_py = self.docker_py_version >= LooseVersion(data['docker_py_version'])
if 'docker_api_version' in data:
support_docker_api = self.docker_api_version >= LooseVersion(data['docker_api_version'])
data['supported'] = support_docker_py and support_docker_api
# Fail if option is not supported but used
if not data['supported']:
# Test whether option is specified
if 'detect_usage' in data:
used = data['detect_usage']()
else:
used = self.module.params.get(option) is not None
if used and 'default' in self.module.argument_spec[option]:
used = self.module.params[option] != self.module.argument_spec[option]['default']
if used:
# If the option is used, compose error message.
if 'usage_msg' in data:
usg = data['usage_msg']
else:
usg = 'set %s option' % (option, )
if not support_docker_api:
msg = 'docker API version is %s. Minimum version required is %s to %s.'
msg = msg % (self.docker_api_version_str, data['docker_api_version'], usg)
elif not support_docker_py:
if LooseVersion(data['docker_py_version']) < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"Consider switching to the 'docker' package if you do not require Python 2.6 support.")
elif self.docker_py_version < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"You have to switch to the Python 'docker' package. First uninstall 'docker-py' before "
"installing 'docker' to avoid a broken installation.")
else:
msg = "docker version is %s. Minimum version required is %s to %s."
msg = msg % (docker_version, data['docker_py_version'], usg)
else:
# should not happen
msg = 'Cannot %s with your configuration.' % (usg, )
self.fail(msg)
def get_container(self, name=None):
'''
Lookup a container and return the inspection results.
@ -741,3 +797,23 @@ class DifferenceTracker(object):
'''
result = [entry['name'] for entry in self._diff]
return result
def clean_dict_booleans_for_docker_api(data):
'''
Go doesn't like Python booleans 'True' or 'False', while Ansible is just
fine with them in YAML. As such, they need to be converted in cases where
we pass dictionaries to the Docker API (e.g. docker_network's
driver_options and docker_prune's filters).
'''
result = dict()
if data is not None:
for k, v in data.items():
if v is True:
v = 'true'
elif v is False:
v = 'false'
else:
v = str(v)
result[str(k)] = v
return result

110
lib/ansible/modules/cloud/docker/docker_container.py
Unescape Escape View File

@ -2745,27 +2745,43 @@ class AnsibleDockerClientContainer(AnsibleDockerClient):
self.module.warn('The ignore_image option has been overridden by the comparisons option!')
self.comparisons = comparisons
def _get_minimal_versions(self):
# Helper function to detect whether any specified network uses ipv4_address or ipv6_address
def _get_additional_minimal_versions(self):
stop_timeout_supported = self.docker_api_version >= LooseVersion('1.25')
stop_timeout_needed_for_update = self.module.params.get("stop_timeout") is not None and self.module.params.get('state') != 'absent'
if stop_timeout_supported:
stop_timeout_supported = self.docker_py_version >= LooseVersion('2.1')
if stop_timeout_needed_for_update and not stop_timeout_supported:
# We warn (instead of fail) since in older versions, stop_timeout was not used
# to update the container's configuration, but only when stopping a container.
self.module.warn("docker or docker-py version is %s. Minimum version required is 2.1 to update "
"the container's stop_timeout configuration. "
"If you use the 'docker-py' module, you have to switch to the docker 'Python' package." % (docker_version,))
else:
if stop_timeout_needed_for_update and not stop_timeout_supported:
# We warn (instead of fail) since in older versions, stop_timeout was not used
# to update the container's configuration, but only when stopping a container.
self.module.warn("docker API version is %s. Minimum version required is 1.25 to set or "
"update the container's stop_timeout configuration." % (self.docker_api_version_str,))
self.option_minimal_versions['stop_timeout']['supported'] = stop_timeout_supported
def __init__(self, **kwargs):
def detect_ipvX_address_usage():
'''
Helper function to detect whether any specified network uses ipv4_address or ipv6_address
'''
for network in self.module.params.get("networks") or []:
if network.get('ipv4_address') is not None or network.get('ipv6_address') is not None:
return True
return False
self.option_minimal_versions = dict(
option_minimal_versions = dict(
# internal options
log_config=dict(),
publish_all_ports=dict(),
ports=dict(),
volume_binds=dict(),
name=dict(),
)
for option, data in self.module.argument_spec.items():
if option in self.__NON_CONTAINER_PROPERTY_OPTIONS:
continue
self.option_minimal_versions[option] = dict()
self.option_minimal_versions.update(dict(
# normal options
device_read_bps=dict(docker_py_version='1.9.0', docker_api_version='1.22'),
device_read_iops=dict(docker_py_version='1.9.0', docker_api_version='1.22'),
device_write_bps=dict(docker_py_version='1.9.0', docker_api_version='1.22'),
@ -2791,74 +2807,16 @@ class AnsibleDockerClientContainer(AnsibleDockerClient):
pids_limit=dict(docker_py_version='1.10.0', docker_api_version='1.23'),
# specials
ipvX_address_supported=dict(docker_py_version='1.9.0', detect_usage=detect_ipvX_address_usage,
usage_msg='ipv4_address or ipv6_address in networks'),
stop_timeout=dict(), # see below!
))
for option, data in self.option_minimal_versions.items():
# Test whether option is supported, and store result
support_docker_py = True
support_docker_api = True
if 'docker_py_version' in data:
support_docker_py = self.docker_py_version >= LooseVersion(data['docker_py_version'])
if 'docker_api_version' in data:
support_docker_api = self.docker_api_version >= LooseVersion(data['docker_api_version'])
data['supported'] = support_docker_py and support_docker_api
# Fail if option is not supported but used
if not data['supported']:
# Test whether option is specified
if 'detect_usage' in data:
used = data['detect_usage']()
else:
used = self.module.params.get(option) is not None
if used and 'default' in self.module.argument_spec[option]:
used = self.module.params[option] != self.module.argument_spec[option]['default']
if used:
# If the option is used, compose error message.
if 'usage_msg' in data:
usg = data['usage_msg']
else:
usg = 'set %s option' % (option, )
if not support_docker_api:
msg = 'docker API version is %s. Minimum version required is %s to %s.'
msg = msg % (self.docker_api_version_str, data['docker_api_version'], usg)
elif not support_docker_py:
if LooseVersion(data['docker_py_version']) < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"Consider switching to the 'docker' package if you do not require Python 2.6 support.")
elif self.docker_py_version < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"You have to switch to the Python 'docker' package. First uninstall 'docker-py' before "
"installing 'docker' to avoid a broken installation.")
else:
msg = "docker version is %s. Minimum version required is %s to %s."
msg = msg % (docker_version, data['docker_py_version'], usg)
else:
# should not happen
msg = 'Cannot %s with your configuration.' % (usg, )
self.fail(msg)
stop_timeout_supported = self.docker_api_version >= LooseVersion('1.25')
stop_timeout_needed_for_update = self.module.params.get("stop_timeout") is not None and self.module.params.get('state') != 'absent'
if stop_timeout_supported:
stop_timeout_supported = self.docker_py_version >= LooseVersion('2.1')
if stop_timeout_needed_for_update and not stop_timeout_supported:
# We warn (instead of fail) since in older versions, stop_timeout was not used
# to update the container's configuration, but only when stopping a container.
self.module.warn("docker or docker-py version is %s. Minimum version required is 2.1 to update "
"the container's stop_timeout configuration. "
"If you use the 'docker-py' module, you have to switch to the docker 'Python' package." % (docker_version,))
else:
if stop_timeout_needed_for_update and not stop_timeout_supported:
# We warn (instead of fail) since in older versions, stop_timeout was not used
# to update the container's configuration, but only when stopping a container.
self.module.warn("docker API version is %s. Minimum version required is 1.25 to set or "
"update the container's stop_timeout configuration." % (self.docker_api_version_str,))
self.option_minimal_versions['stop_timeout']['supported'] = stop_timeout_supported
usage_msg='ipv4_address or ipv6_address in networks'), # see above
stop_timeout=dict(), # see _get_additional_minimal_versions()
)
def __init__(self, **kwargs):
super(AnsibleDockerClientContainer, self).__init__(**kwargs)
self._get_minimal_versions()
super(AnsibleDockerClientContainer, self).__init__(
option_minimal_versions=option_minimal_versions,
option_minimal_versions_ignore_params=self.__NON_CONTAINER_PROPERTY_OPTIONS,
**kwargs
)
self._get_additional_minimal_versions()
self._parse_comparisons()

82
lib/ansible/modules/cloud/docker/docker_network.py
Unescape Escape View File

@ -255,6 +255,7 @@ from ansible.module_utils.docker_common import (
DockerBaseClass,
docker_version,
DifferenceTracker,
clean_dict_booleans_for_docker_api,
)
try:
@ -315,77 +316,8 @@ def get_ip_version(cidr):
raise ValueError('"{0}" is not a valid CIDR'.format(cidr))
def get_driver_options(driver_options):
# TODO: Move this and the same from docker_prune.py to docker_common.py
result = dict()
if driver_options is not None:
for k, v in driver_options.items():
# Go doesn't like 'True' or 'False'
if v is True:
v = 'true'
elif v is False:
v = 'false'
else:
v = str(v)
result[str(k)] = v
return result
class DockerNetworkManager(object):
def _get_minimal_versions(self):
# TODO: Move this and the same from docker_container.py to docker_common.py
self.option_minimal_versions = dict()
for option, data in self.client.module.argument_spec.items():
self.option_minimal_versions[option] = dict()
self.option_minimal_versions.update(dict(
scope=dict(docker_py_version='2.6.0', docker_api_version='1.30'),
attachable=dict(docker_py_version='2.0.0', docker_api_version='1.26'),
))
for option, data in self.option_minimal_versions.items():
# Test whether option is supported, and store result
support_docker_py = True
support_docker_api = True
if 'docker_py_version' in data:
support_docker_py = self.client.docker_py_version >= LooseVersion(data['docker_py_version'])
if 'docker_api_version' in data:
support_docker_api = self.client.docker_api_version >= LooseVersion(data['docker_api_version'])
data['supported'] = support_docker_py and support_docker_api
# Fail if option is not supported but used
if not data['supported']:
# Test whether option is specified
if 'detect_usage' in data:
used = data['detect_usage']()
else:
used = self.client.module.params.get(option) is not None
if used and 'default' in self.client.module.argument_spec[option]:
used = self.client.module.params[option] != self.client.module.argument_spec[option]['default']
if used:
# If the option is used, compose error message.
if 'usage_msg' in data:
usg = data['usage_msg']
else:
usg = 'set %s option' % (option, )
if not support_docker_api:
msg = 'docker API version is %s. Minimum version required is %s to %s.'
msg = msg % (self.client.docker_api_version_str, data['docker_api_version'], usg)
elif not support_docker_py:
if LooseVersion(data['docker_py_version']) < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"Consider switching to the 'docker' package if you do not require Python 2.6 support.")
elif self.client.docker_py_version < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"You have to switch to the Python 'docker' package. First uninstall 'docker-py' before "
"installing 'docker' to avoid a broken installation.")
else:
msg = "docker version is %s. Minimum version required is %s to %s."
msg = msg % (docker_version, data['docker_py_version'], usg)
else:
# should not happen
msg = 'Cannot %s with your configuration.' % (usg, )
self.client.fail(msg)
def __init__(self, client):
self.client = client
self.parameters = TaskParameters(client)
@ -398,8 +330,6 @@ class DockerNetworkManager(object):
self.diff_tracker = DifferenceTracker()
self.diff_result = dict()
self._get_minimal_versions()
self.existing_network = self.get_existing_network()
if not self.parameters.connected and self.existing_network:
@ -410,7 +340,7 @@ class DockerNetworkManager(object):
self.parameters.ipam_config = [self.parameters.ipam_options]
if self.parameters.driver_options:
self.parameters.driver_options = get_driver_options(self.parameters.driver_options)
self.parameters.driver_options = clean_dict_booleans_for_docker_api(self.parameters.driver_options)
state = self.parameters.state
if state == 'present':
@ -665,13 +595,19 @@ def main():
('ipam_config', 'ipam_options')
]
option_minimal_versions = dict(
scope=dict(docker_py_version='2.6.0', docker_api_version='1.30'),
attachable=dict(docker_py_version='2.0.0', docker_api_version='1.26'),
)
client = AnsibleDockerClient(
argument_spec=argument_spec,
mutually_exclusive=mutually_exclusive,
supports_check_mode=True,
min_docker_version='1.10.0',
min_docker_api_version='1.22'
min_docker_api_version='1.22',
# "The docker server >= 1.10.0"
option_minimal_versions=option_minimal_versions,
)
cm = DockerNetworkManager(client)

26
lib/ansible/modules/cloud/docker/docker_prune.py
Unescape Escape View File

@ -176,28 +176,12 @@ from distutils.version import LooseVersion
from ansible.module_utils.docker_common import AnsibleDockerClient
try:
from ansible.module_utils.docker_common import docker_version
from ansible.module_utils.docker_common import docker_version, clean_dict_booleans_for_docker_api
except Exception as dummy:
# missing docker-py handled in ansible.module_utils.docker
pass
def get_filters(module, name):
result = dict()
filters = module.params.get(name)
if filters is not None:
for k, v in filters.items():
# Go doesn't like 'True' or 'False'
if v is True:
v = 'true'
elif v is False:
v = 'false'
else:
v = str(v)
result[str(k)] = v
return result
def main():
argument_spec = dict(
containers=dict(type='bool', default=False),
@ -227,24 +211,24 @@ def main():
result = dict()
if client.module.params['containers']:
filters = get_filters(client.module, 'containers_filters')
filters = clean_dict_booleans_for_docker_api(client.module.params.get('containers_filters'))
res = client.prune_containers(filters=filters)
result['containers'] = res.get('ContainersDeleted') or []
result['containers_space_reclaimed'] = res['SpaceReclaimed']
if client.module.params['images']:
filters = get_filters(client.module, 'images_filters')
filters = clean_dict_booleans_for_docker_api(client.module.params.get('images_filters'))
res = client.prune_images(filters=filters)
result['images'] = res.get('ImagesDeleted') or []
result['images_space_reclaimed'] = res['SpaceReclaimed']
if client.module.params['networks']:
filters = get_filters(client.module, 'networks_filters')
filters = clean_dict_booleans_for_docker_api(client.module.params.get('networks_filters'))
res = client.prune_networks(filters=filters)
result['networks'] = res.get('NetworksDeleted') or []
if client.module.params['volumes']:
filters = get_filters(client.module, 'volumes_filters')
filters = clean_dict_booleans_for_docker_api(client.module.params.get('volumes_filters'))
res = client.prune_volumes(filters=filters)
result['volumes'] = res.get('VolumesDeleted') or []
result['volumes_space_reclaimed'] = res['SpaceReclaimed']

63
lib/ansible/modules/cloud/docker/docker_swarm.py
Unescape Escape View File

@ -288,60 +288,6 @@ class TaskParameters(DockerBaseClass):
class SwarmManager(DockerBaseClass):
def _get_minimal_versions(self):
# TODO: Move this and the same from docker_container.py to docker_common.py
self.option_minimal_versions = dict()
for option, data in self.client.module.argument_spec.items():
self.option_minimal_versions[option] = dict()
self.option_minimal_versions.update(dict(
signing_ca_cert=dict(docker_api_version='1.30'),
signing_ca_key=dict(docker_api_version='1.30'),
ca_force_rotate=dict(docker_api_version='1.30'),
))
for option, data in self.option_minimal_versions.items():
# Test whether option is supported, and store result
support_docker_py = True
support_docker_api = True
if 'docker_py_version' in data:
support_docker_py = self.client.docker_py_version >= LooseVersion(data['docker_py_version'])
if 'docker_api_version' in data:
support_docker_api = self.client.docker_api_version >= LooseVersion(data['docker_api_version'])
data['supported'] = support_docker_py and support_docker_api
# Fail if option is not supported but used
if not data['supported']:
# Test whether option is specified
if 'detect_usage' in data:
used = data['detect_usage']()
else:
used = self.client.module.params.get(option) is not None
if used and 'default' in self.client.module.argument_spec[option]:
used = self.client.module.params[option] != self.client.module.argument_spec[option]['default']
if used:
# If the option is used, compose error message.
if 'usage_msg' in data:
usg = data['usage_msg']
else:
usg = 'set %s option' % (option, )
if not support_docker_api:
msg = 'docker API version is %s. Minimum version required is %s to %s.'
msg = msg % (self.client.docker_api_version_str, data['docker_api_version'], usg)
elif not support_docker_py:
if LooseVersion(data['docker_py_version']) < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"Consider switching to the 'docker' package if you do not require Python 2.6 support.")
elif self.client.docker_py_version < LooseVersion('2.0.0'):
msg = ("docker-py version is %s. Minimum version required is %s to %s. "
"You have to switch to the Python 'docker' package. First uninstall 'docker-py' before "
"installing 'docker' to avoid a broken installation.")
else:
msg = "docker version is %s. Minimum version required is %s to %s."
msg = msg % (docker_version, data['docker_py_version'], usg)
else:
# should not happen
msg = 'Cannot %s with your configuration.' % (usg, )
self.client.fail(msg)
def __init__(self, client, results):
super(SwarmManager, self).__init__()
@ -350,8 +296,6 @@ class SwarmManager(DockerBaseClass):
self.results = results
self.check_mode = self.client.check_mode
self._get_minimal_versions()
self.parameters = TaskParameters(client)
def __call__(self):
@ -562,12 +506,19 @@ def main():
('state', 'remove', ['node_id'])
]
option_minimal_versions = dict(
signing_ca_cert=dict(docker_api_version='1.30'),
signing_ca_key=dict(docker_api_version='1.30'),
ca_force_rotate=dict(docker_api_version='1.30'),
)
client = AnsibleDockerClient(
argument_spec=argument_spec,
supports_check_mode=True,
required_if=required_if,
min_docker_version='2.6.0',
min_docker_api_version='1.25',
option_minimal_versions=option_minimal_versions,
)
results = dict(

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