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Fix network comparison. Fix handling of links. Updated doc strings. Added more examples.

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chouseknecht 2016-05-31 10:14:42 -04:00
parent d9c751be16
commit 0601df8c70
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1 changed files with 54 additions and 18 deletions
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72
cloud/docker/docker_container.py
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@ -259,7 +259,7 @@ options:
- Each network is a dict with keys C(name), C(ipv4_address), C(ipv6_address), C(links), C(aliases).
- For each network C(name) is required, all other keys are optional.
- If included, C(links) or C(aliases) are lists.
- For more information see U(https://docs.docker.com/engine/userguide/networking/dockernetworks/).
- For examples of the data structure and usage see EXAMPLES below.
- To remove a container from one or more networks, use the C(purge_networks) option.
default: null
required: false
@ -303,7 +303,8 @@ options:
required: false
purge_networks:
description:
- Remove the container from all networks not included in C(networks) parameter.
- Remove the container from ALL networks not included in C(networks) parameter.
- Any default networks such as I(bridge), if not found in C(networks), will be removed as well.
default: false
required: false
version_added: "2.2"
@ -357,16 +358,16 @@ options:
required: false
state:
description:
- '"absent" - A container matching the specified name will be stopped and removed. Use force_kill to kill the container
- 'I(absent) - A container matching the specified name will be stopped and removed. Use force_kill to kill the container
rather than stopping it. Use keep_volumes to retain volumes associated with the removed container.'
- '"present" - Asserts the existence of a container matching the name and any provided configuration parameters. If no
- 'I(present)" - Asserts the existence of a container matching the name and any provided configuration parameters. If no
container matches the name, a container will be created. If a container matches the name but the provided configuration
does not match, the container will be updated, if it can be. If it cannot be updated, it will be removed and re-created
with the requested config. Image version will be taken into account when comparing configuration. To ignore image
version use the ignore_image option. Use the recreate option to force the re-creation of the matching container. Use
force_kill to kill the container rather than stopping it. Use keep_volumes to retain volumes associated with a removed
container.'
- '"started" - Asserts there is a running container matching the name and any provided configuration. If no container
- 'I(started) - Asserts there is a running container matching the name and any provided configuration. If no container
matches the name, a container will be created and started. If a container matching the name is found but the
configuration does not match, the container will be updated, if it can be. If it cannot be updated, it will be removed
and a new container will be created with the requested configuration and started. Image version will be taken into
@ -374,7 +375,7 @@ options:
re-create a matching container, even if it is running. Use restart to force a matching container to be stopped and
restarted. Use force_kill to kill a container rather than stopping it. Use keep_volumes to retain volumes associated
with a removed container.'
- '"stopped" - a container matching the specified name will be stopped. Use force_kill to kill a container rather than
- 'I(stopped) - a container matching the specified name will be stopped. Use force_kill to kill a container rather than
stopping it.'
required: false
default: started
@ -525,6 +526,28 @@ EXAMPLES = '''
syslog-facility: daemon
syslog-tag: myservice
- name: Create db container and connect to network
docker_container:
name: db_test
image: "postgres:latest"
networks:
- name: "{{ docker_network_name }}"
debug: "{{ playbook_debug }}"
register: output
- name: Start container, connect to network and link
docker_container:
name: sleeper
image: ubuntu:14.04
networks:
- name: TestingNet
ipv4_address: "172.1.1.100"
aliases:
- sleepyzz
links:
- db_test:db
- name: TestingNet2
- name: Start a container with a command
docker_container:
name: sleepy
@ -538,6 +561,8 @@ EXAMPLES = '''
networks:
- name: TestingNet
ipv4_address: 172.1.1.18
links:
- sleeper
- name: TestingNet2
ipv4_address: 172.1.10.20
@ -711,7 +736,7 @@ class TaskParameters(DockerBaseClass):
self.publish_all_ports = True
self.published_ports = None
self.links = self._parse_links()
self.links = self._parse_links(self.links)
if self.volumes:
self.volumes = self._expand_host_paths()
@ -732,6 +757,8 @@ class TaskParameters(DockerBaseClass):
network['id'] = self._get_network_id(network['name'])
if not network['id']:
self.fail("Parameter error: network named %s could not be found. Does it exist?" % network['name'])
if network.get('links'):
network['links'] = self._parse_links(network['links'])
def fail(self, msg):
self.client.module.fail_json(msg=msg)
@ -940,21 +967,22 @@ class TaskParameters(DockerBaseClass):
exposed.append(port_with_proto)
return exposed
def _parse_links(self):
@staticmethod
def _parse_links(links):
'''
Turn links into a dictionary
'''
if self.links is None:
if links is None:
return None
links = {}
for link in self.links:
result = {}
for link in links:
parsed_link = link.split(':', 1)
if len(parsed_link) == 2:
links[parsed_link[0]] = parsed_link[1]
result[parsed_link[0]] = parsed_link[1]
else:
links[parsed_link[0]] = parsed_link[0]
return links
result[parsed_link[0]] = parsed_link[0]
return result
def _parse_ulimits(self):
'''
@ -1272,11 +1300,19 @@ class Container(DockerBaseClass):
diff = True
if network.get('ipv6_address') and network['ipv6_address'] != connected_networks[network['name']].get('GlobalIPv6Address'):
diff = True
if network.get('aliases') and network['aliases'] != connected_networks[network['name']].get('Aliases'):
self.log('network aliases different')
if network.get('aliases') and not connected_networks[network['name']].get('Aliases'):
diff = True
if network.get('links') and network['links'] != connected_networks[network['name']].get('Links'):
if network.get('aliases') and connected_networks[network['name']].get('Aliases'):
if set(network.get('aliases')) != set(connected_networks[network['name']].get('Aliases')):
diff = True
if network.get('links') and not connected_networks[network['name']].get('Links'):
diff = True
if network.get('links') and connected_networks[network['name']].get('Links'):
expected_links = []
for link, alias in network['links'].iteritems():
expected_links.append("%s:%s" % (link, alias))
if set(expected_links) != set(connected_networks[network['name']].get('Links', [])):
diff = True
if diff:
different = True
differences.append(dict(
@ -1289,7 +1325,6 @@ class Container(DockerBaseClass):
links=connected_networks[network['name']].get('Links')
)
))
self.log(differences, pretty_print=True)
return different, differences
def has_extra_networks(self):
@ -1632,6 +1667,7 @@ class ContainerManager(DockerBaseClass):
if not self.check_mode:
try:
self.log("Connecting conainer to network %s" % diff['parameter']['id'])
self.log(params, pretty_print=True)
self.client.connect_container_to_network(container.Id, diff['parameter']['id'], **params)
except Exception, exc:
self.fail("Error connecting container to network %s - %s" % (diff['parameter']['name'], str(exc)))