Fixed binds and volumes. Now recognizes bound vs unbound as well as named volumes.
This commit is contained in:
chouseknecht
Matt Clay
parent
abbddbde49
commit
9dd95efe76
1 changed files with 99 additions and 42 deletions
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@ -626,6 +626,8 @@ ansible_docker_container:
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}'
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'''
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import re
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from ansible.module_utils.docker_common import *
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try:
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@ -643,6 +645,7 @@ REQUIRES_CONVERSION_TO_BYTES = [
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'shm_size'
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]
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VOLUME_PERMISSIONS = ('rw', 'ro', 'z', 'Z')
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class TaskParameters(DockerBaseClass):
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'''
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@ -739,14 +742,16 @@ class TaskParameters(DockerBaseClass):
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if self.volumes:
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self.volumes = self._expand_host_paths()
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self.log("volumes:")
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self.log(self.volumes, pretty_print=True)
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self.env = self._get_environment()
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self.ulimits = self._parse_ulimits()
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self.log_config = self._parse_log_config()
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self.exp_links = None
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self._parse_volumes()
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self.volume_binds = self._get_volume_binds(self.volumes)
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self.log("volumes:")
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self.log(self.volumes, pretty_print=True)
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self.log("volume binds:")
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self.log(self.volume_binds, pretty_print=True)
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if self.networks:
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for network in self.networks:
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@ -824,25 +829,38 @@ class TaskParameters(DockerBaseClass):
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if ':' in vol:
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if len(vol.split(':')) == 3:
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host, container, mode = vol.split(':')
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host = os.path.abspath(host)
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if re.match(r'[\.~]', host):
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host = os.path.abspath(host)
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new_vols.append("%s:%s:%s" % (host, container, mode))
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else:
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host, container = vol.split(':')
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host = os.path.abspath(host)
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new_vols.append("%s:%s:rw" % (host, container))
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else:
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new_vols.append(vol)
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continue
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elif len(vol.split(':')) == 2:
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parts = vol.split(':')
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if parts[1] not in VOLUME_PERMISSIONS and re.match(r'[\.~]', parts[0]):
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host = os.path.abspath(parts[0])
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new_vols.append("%s:%s:rw" % (host, parts[1]))
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continue
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new_vols.append(vol)
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return new_vols
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def _get_mounts(self):
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'''
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Return a list of container mounts.
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:return:
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'''
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result = []
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if self.volumes:
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for vol in self.volumes:
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if ':' in vol:
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host, container, _ = vol.split(':')
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result.append(host)
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else:
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result.append(vol)
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if len(vol.split(':')) == 3:
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host, container, _ = vol.split(':')
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result.append(container)
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continue
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if len(vol.split(':')) == 2:
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parts = vol.split(':')
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if parts[1] not in VOLUME_PERMISSIONS:
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result.append(parts[1])
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continue
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result.append(vol)
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self.log("mounts:")
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self.log(result, pretty_print=True)
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return result
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@ -923,24 +941,30 @@ class TaskParameters(DockerBaseClass):
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binds[container_port] = bind
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return binds
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def _parse_volumes(self):
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@staticmethod
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def _get_volume_binds(volumes):
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'''
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Convert volumes parameter to host_config bind format.
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https://docker-py.readthedocs.org/en/latest/volumes/
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:return: array of binds
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Extract host bindings, if any, from list of volume mapping strings.
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:return: dictionary of bind mappings
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'''
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if self.volumes:
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for vol in self.volumes:
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result = dict()
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if volumes:
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for vol in volumes:
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host = None
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if ':' in vol:
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if len(vol.split(':')) == 3:
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host, container, mode = vol.split(':')
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else:
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host, container, mode = (vol.split(':') + ['rw'])
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self.volume_binds[host] = dict(
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if len(vol.split(':')) == 2:
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parts = vol.split(':')
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if parts[1] not in VOLUME_PERMISSIONS:
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host, container, mode = (vol.split(':') + ['rw'])
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if host is not None:
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result[host] = dict(
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bind=container,
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mode=mode
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)
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return result
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def _parse_exposed_ports(self):
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'''
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@ -1091,6 +1115,7 @@ class Container(DockerBaseClass):
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self.parameters.expected_ports = self._get_expected_ports()
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self.parameters.expected_exposed = self._get_expected_exposed(image)
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self.parameters.expected_volumes = self._get_expected_volumes(image)
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self.parameters.expected_binds = self._get_expected_binds(image)
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self.parameters.expected_ulimits = self._get_expected_ulimits(self.parameters.ulimits)
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self.parameters.expected_etc_hosts = self._convert_simple_dict_to_list('etc_hosts')
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self.parameters.expected_env = self._get_expected_env(image)
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@ -1154,7 +1179,8 @@ class Container(DockerBaseClass):
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tty=config.get('Tty'),
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expected_ulimits=host_config.get('Ulimits'),
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uts=host_config.get('UTSMode'),
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expected_volumes=host_config['Binds'],
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expected_volumes=config.get('Volumes'),
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expected_binds=host_config.get('Binds'),
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volumes_from=host_config.get('VolumesFrom'),
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volume_driver=host_config.get('VolumeDriver')
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)
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@ -1382,26 +1408,30 @@ class Container(DockerBaseClass):
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exp_links.append("/%s:%s/%s" % (link, ('/' + self.parameters.name), alias))
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return exp_links
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def _get_expected_volumes(self, image):
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self.log('_get_expected_volumes')
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def _get_expected_binds(self, image):
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self.log('_get_expected_binds')
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image_vols = []
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if image:
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image_vols = self._get_volumes_from_binds(image['ContainerConfig'].get('Volumes'))
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image_vols = self._get_image_binds(image['ContainerConfig'].get('Volumes'))
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param_vols = []
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if self.parameters.volumes:
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for vol in self.parameters.volumes:
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host = None
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if ':' in vol:
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if len(vol.split(':')) == 3:
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host, container, mode = vol.split(':')
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else:
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host, container, mode = vol.split(':') + ['rw']
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if len(vol.split(':')) == 2:
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parts = vol.split(':')
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if parts[1] not in VOLUME_PERMISSIONS:
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host, container, mode = vol.split(':') + ['rw']
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if host:
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param_vols.append("%s:%s:%s" % (host, container, mode))
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else:
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param_vols.append(vol)
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# flip to container first
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return list(set(image_vols + param_vols))
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result = list(set(image_vols + param_vols))
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self.log("expected_binds:")
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self.log(result, pretty_print=True)
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return result
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def _get_volumes_from_binds(self, volumes):
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def _get_image_binds(self, volumes):
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'''
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Convert array of binds to array of strings with format host_path:container_path:mode
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@ -1410,13 +1440,14 @@ class Container(DockerBaseClass):
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'''
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results = []
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if isinstance(volumes, dict):
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results += self._get_volume_from_dict(volumes)
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results += self._get_bind_from_dict(volumes)
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elif isinstance(volumes, list):
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for vol in volumes:
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results += self._get_volume_from_dict(vol)
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results += self._get_bind_from_dict(vol)
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return results
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def _get_volume_from_dict(self, volume_dict):
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@staticmethod
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def _get_bind_from_dict(volume_dict):
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results = []
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if volume_dict:
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for host_path, config in volume_dict.items():
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@ -1426,6 +1457,32 @@ class Container(DockerBaseClass):
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results.append("%s:%s:%s" % (host_path, container_path, mode))
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return results
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def _get_expected_volumes(self, image):
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self.log('_get_expected_volumes')
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expected_vols = dict()
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if image and image['ContainerConfig'].get('Volumes'):
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expected_vols.upate(image['ContainerConfig'].get('Volumes'))
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if self.parameters.volumes:
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for vol in self.parameters.volumes:
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container = None
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if ':' in vol:
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if len(vol.split(':')) == 3:
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host, container, mode = vol.split(':')
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if len(vol.split(':')) == 2:
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parts = vol.split(':')
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if parts[1] not in VOLUME_PERMISSIONS:
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host, container, mode = vol.split(':') + ['rw']
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new_vol = dict()
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if container:
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new_vol[container] = dict()
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else:
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new_vol[vol] = dict()
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expected_vols.update(new_vol)
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self.log("expected_volumes:")
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self.log(expected_vols, pretty_print=True)
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return expected_vols
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def _get_expected_env(self, image):
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self.log('_get_expected_env')
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expected_env = dict()
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@ -1530,12 +1587,12 @@ class ContainerManager(DockerBaseClass):
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new_container = self.container_create(self.parameters.image, self.parameters.create_parameters)
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if new_container:
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container = new_container
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container = self.update_limits(container)
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container = self.update_networks(container)
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container = self.update_limits(container)
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container = self.update_networks(container)
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if state == 'started':
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container = self.container_start(container.Id)
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self.facts = container.raw
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return True
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return
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# Existing container
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self.log(container.raw, pretty_print=True)
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