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docker_swarm: hopefully fix debug CI problems, and fix check mode (#52825)

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* Let's see some debug output.

* Also check LocalNodeState.

* Improve tests.

* Actually implement check mode.

* Add changelog.

* Add pretty-printing and more output.
This commit is contained in:
Felix Fontein 2019-02-23 23:18:17 +01:00 committed by ansibot
parent e2856127f6
commit 81d58cfef6
5 changed files with 93 additions and 33 deletions
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3
changelogs/fragments/52825-docker_swarm-detection-check-mode.yaml Normal file
View file

@ -0,0 +1,3 @@
bugfixes:
- "docker_swarm - improve Swarm detection."
- "docker_swarm - properly implement check mode (it did apply changes)."

2
lib/ansible/module_utils/docker/swarm.py
View file

@ -62,6 +62,8 @@ class AnsibleDockerSwarmClient(AnsibleDockerClient):
swarm_info = json.loads(json_str)
if swarm_info['Swarm']['NodeID']:
return True
if swarm_info['Swarm']['LocalNodeState'] in ('active', 'pending', 'locked'):
return True
return False
else:
try:

12
lib/ansible/modules/cloud/docker/docker_swarm.py
View file

@ -308,6 +308,7 @@ class SwarmManager(DockerBaseClass):
self.client = client
self.results = results
self.check_mode = self.client.check_mode
self.swarm_info = {}
self.parameters = TaskParameters(client)
@ -346,6 +347,7 @@ class SwarmManager(DockerBaseClass):
self.__update_swarm()
return
if not self.check_mode:
try:
self.client.init_swarm(
advertise_addr=self.parameters.advertise_addr, listen_addr=self.parameters.listen_addr,
@ -354,9 +356,9 @@ class SwarmManager(DockerBaseClass):
self.client.fail("Can not create a new Swarm Cluster: %s" % to_native(exc))
self.__isSwarmManager()
self.results['actions'].append("New Swarm cluster created: %s" % (self.swarm_info['ID']))
self.results['actions'].append("New Swarm cluster created: %s" % (self.swarm_info.get('ID')))
self.results['changed'] = True
self.results['swarm_facts'] = {u'JoinTokens': self.swarm_info['JoinTokens']}
self.results['swarm_facts'] = {u'JoinTokens': self.swarm_info.get('JoinTokens')}
def __update_spec(self, spec):
if (self.parameters.node_cert_expiry is None):
@ -406,6 +408,7 @@ class SwarmManager(DockerBaseClass):
self.results['actions'].append("No modification")
self.results['changed'] = False
return
if not self.check_mode:
self.client.update_swarm(
version=version, swarm_spec=new_spec, rotate_worker_token=self.parameters.rotate_worker_token,
rotate_manager_token=self.parameters.rotate_manager_token)
@ -424,12 +427,15 @@ class SwarmManager(DockerBaseClass):
self.swarm_info = json.loads(json_str)
if self.swarm_info['Swarm']['NodeID']:
return True
if self.swarm_info['Swarm']['LocalNodeState'] in ('active', 'pending', 'locked'):
return True
return False
def join(self):
if self.__isSwarmNode():
self.results['actions'].append("This node is already part of a swarm.")
return
if not self.check_mode:
try:
self.client.join_swarm(
remote_addrs=self.parameters.remote_addrs, join_token=self.parameters.join_token, listen_addr=self.parameters.listen_addr,
@ -443,6 +449,7 @@ class SwarmManager(DockerBaseClass):
if not(self.__isSwarmNode()):
self.results['actions'].append("This node is not part of a swarm.")
return
if not self.check_mode:
try:
self.client.leave_swarm(force=self.parameters.force)
except APIError as exc:
@ -479,6 +486,7 @@ class SwarmManager(DockerBaseClass):
if not(status_down):
self.client.fail("Can not remove the node. The status node is ready and not down.")
if not self.check_mode:
try:
self.client.remove_node(node_id=self.parameters.node_id, force=self.parameters.force)
except APIError as exc:

4
test/integration/targets/docker_config/tasks/test_docker_config.yml
View file

@ -1,10 +1,14 @@
---
- block:
- shell: "docker info --format '{% raw %}{{json .}}{% endraw %}' | python -m json.tool"
- name: Make sure we're not already using Docker swarm
docker_swarm:
state: absent
force: true
- shell: "docker info --format '{% raw %}{{json .}}{% endraw %}' | python -m json.tool"
- name: Create a Swarm cluster
docker_swarm:
state: present

59
test/integration/targets/docker_swarm/tasks/test_swarm.yml
View file

@ -29,30 +29,73 @@
- 'output.failed'
- 'output.msg == "state is remove but all of the following are missing: node_id"'
- name: Create a Swarm cluster (check mode)
docker_swarm:
state: present
check_mode: yes
register: output_1
- name: Create a Swarm cluster
docker_swarm:
state: present
register: output
register: output_2
- name: Create a Swarm cluster (idempotent)
docker_swarm:
state: present
register: output_3
- name: Create a Swarm cluster (idempotent, check mode)
docker_swarm:
state: present
check_mode: yes
register: output_4
- name: assert changed when create a new swarm cluster
assert:
that:
- 'output.changed'
- 'output.actions[0] | regex_search("New Swarm cluster created: ")'
- 'output.swarm_facts.JoinTokens.Manager'
- 'output.swarm_facts.JoinTokens.Worker'
- 'output_1 is changed'
- 'output_2 is changed'
- 'output_2.actions[0] | regex_search("New Swarm cluster created: ")'
- 'output_2.swarm_facts.JoinTokens.Manager'
- 'output_2.swarm_facts.JoinTokens.Worker'
- 'output_3 is not changed'
- 'output_4 is not changed'
- name: Remove a Swarm cluster (check mode)
docker_swarm:
state: absent
force: true
check_mode: yes
register: output_1
- name: Remove a Swarm cluster
docker_swarm:
state: absent
force: true
register: output
register: output_2
- name: Remove a Swarm cluster (idempotent)
docker_swarm:
state: absent
force: true
register: output_3
- name: Remove a Swarm cluster (idempotent, check mode)
docker_swarm:
state: absent
force: true
check_mode: yes
register: output_4
- name: assert changed when remove a swarm cluster
assert:
that:
- 'output.changed'
- 'output.actions[0] == "Node has left the swarm cluster"'
- 'output_1 is changed'
- 'output_2 is changed'
- 'output_2.actions[0] == "Node has left the swarm cluster"'
- 'output_3 is not changed'
- 'output_4 is not changed'
always:
- name: Cleanup