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docker_swarm_service: Documentation fixes (#53479)

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* Document and validate mode choices

* Update examples

* Test cpu float values

* Test correct option

* Fix module return sample

* Add secrets and user to module return value

* Order options alphabetically

* Add changelog

* yaml indentation

* Revert "Order options alphabetically"

This reverts commit 51dabccda7930b707d5683670af7f89a68aeb577.

* Be consistent with choices type
This commit is contained in:
Hannes Ljungberg 2019-03-07 23:51:59 +01:00 committed by Matt Martz
parent 008db85d44
commit 3d07e7241a
5 changed files with 155 additions and 65 deletions
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2
changelogs/fragments/53479-docker_swarm_service-documentation-fixes.yaml Normal file
View file

@ -0,0 +1,2 @@
bugfixes:
- "docker_swarm_service - Validate choices for option ``mode``."

208
lib/ansible/modules/cloud/docker/docker_swarm_service.py
View file

@ -306,9 +306,13 @@ options:
mode:
description:
- Service replication mode.
- Service will be removed and recreated when changed.
- Corresponds to the C(--mode) option of C(docker service create).
type: str
default: replicated
choices:
- replicated
- global
mounts:
description:
- List of dictionaries describing the service mounts.
@ -461,7 +465,6 @@ options:
mode:
description:
- What publish mode to use.
- Service will be removed and recreated when changed.
- Requires API version >= 1.32.
type: str
choices:
@ -670,79 +673,121 @@ swarm_service:
returned: always
type: dict
description:
- Dictionary of variables representing the current state of the service.
Matches the module parameters format.
- Note that facts are not part of registered vars but accessible directly.
- Note that before Ansible 2.7.9, the return variable was documented as C(ansible_swarm_service),
while the module actually returned a variable called C(ansible_docker_service). The variable
was renamed to C(swarm_service) in both code and documentation for Ansible 2.7.9 and Ansible 2.8.0.
In Ansible 2.7.x, the old name C(ansible_docker_service) can still be used.
- Dictionary of variables representing the current state of the service.
Matches the module parameters format.
- Note that facts are not part of registered vars but accessible directly.
- Note that before Ansible 2.7.9, the return variable was documented as C(ansible_swarm_service),
while the module actually returned a variable called C(ansible_docker_service). The variable
was renamed to C(swarm_service) in both code and documentation for Ansible 2.7.9 and Ansible 2.8.0.
In Ansible 2.7.x, the old name C(ansible_docker_service) can still be used.
sample: '{
"args": [
"sleep",
"3600"
],
"constraints": [],
"container_labels": {},
"endpoint_mode": "vip",
"env": [
"ENVVAR1=envvar1"
"command": [
"sleep"
],
"force_update": False,
"image": "alpine",
"labels": {},
"limit_cpu": 0.0,
"limit_memory": 0,
"log_driver": "json-file",
"log_driver_options": {},
"configs": null,
"constraints": [
"node.role == manager",
"engine.labels.operatingsystem == ubuntu 14.04"
],
"container_labels": null,
"dns": null,
"dns_options": null,
"dns_search": null,
"endpoint_mode": null,
"env": [
"ENVVAR1=envvar1",
"ENVVAR2=envvar2"
],
"force_update": null,
"groups": null,
"healthcheck": {
"interval": 90000000000,
"retries": 3,
"start_period": 30000000000,
"test": [
"CMD",
"curl",
"--fail",
"http://nginx.host.com"
],
"timeout": 10000000000
},
"healthcheck_disabled": false,
"hostname": null,
"hosts": null,
"image": "alpine:latest@sha256:b3dbf31b77fd99d9c08f780ce6f5282aba076d70a513a8be859d8d3a4d0c92b8",
"labels": {
"com.example.department": "Finance",
"com.example.description": "Accounting webapp"
},
"limit_cpu": 0.5,
"limit_memory": 52428800,
"log_driver": "fluentd",
"log_driver_options": {
"fluentd-address": "127.0.0.1:24224",
"fluentd-async-connect": "true",
"tag": "myservice"
},
"mode": "replicated",
"mounts": [
{
"readonly": false,
"source": "/tmp/",
"target": "/remote_tmp/",
"type": "bind"
}
],
"secrets": [],
"configs": [],
"networks": [],
"publish": [],
"networks": null,
"placement_preferences": [
{
"spread": "node.labels.mylabel"
}
],
"publish": null,
"replicas": 1,
"reserve_cpu": 0.0,
"reserve_memory": 0,
"restart_policy": "any",
"restart_policy_attempts": 5,
"restart_policy_delay": 0,
"restart_policy_window": 30,
"update_delay": 10,
"update_parallelism": 1,
"update_failure_action": "continue",
"update_monitor": 5000000000
"update_max_failure_ratio": 0,
"update_order": "stop-first"
"reserve_cpu": 0.25,
"reserve_memory": 20971520,
"restart_policy": "on-failure",
"restart_policy_attempts": 3,
"restart_policy_delay": 5000000000,
"restart_policy_window": 120000000000,
"secrets": null,
"stop_grace_period": null,
"stop_signal": null,
"tty": null,
"update_delay": 10000000000,
"update_failure_action": null,
"update_max_failure_ratio": null,
"update_monitor": null,
"update_order": "stop-first",
"update_parallelism": 2,
"user": null,
"working_dir": null
}'
changes:
returned: always
description:
- List of changed service attributes if a service has been altered,
[] otherwise
- List of changed service attributes if a service has been altered, [] otherwise.
type: list
sample: ['container_labels', 'replicas']
rebuilt:
returned: always
description:
- True if the service has been recreated (removed and created)
- True if the service has been recreated (removed and created)
type: bool
sample: True
'''
EXAMPLES = '''
- name: Set arguments
- name: Set command and arguments
docker_swarm_service:
name: myservice
image: alpine
command: sleep
args:
- "sleep"
- "3600"
- name: Set a bind mount
@ -754,33 +799,54 @@ EXAMPLES = '''
target: /remote_tmp/
type: bind
- name: Set service labels
docker_swarm_service:
name: myservice
image: alpine
labels:
com.example.description: "Accounting webapp"
com.example.department: "Finance"
- name: Set environment variables
docker_swarm_service:
name: myservice
image: alpine
env:
- "ENVVAR1=envvar1"
- "ENVVAR2=envvar2"
ENVVAR1: envvar1
ENVVAR2: envvar2
env_files:
- envs/common.env
- envs/apps/web.env
- name: Set fluentd logging
docker_swarm_service:
name: myservice
image: alpine
log_driver: fluentd
log_driver_options:
fluentd-address: "127.0.0.1:24224"
fluentd-async-connect: true
tag: myservice
logging:
driver: fluentd
options:
fluentd-address: "127.0.0.1:24224"
fluentd-async-connect: "true"
tag: myservice
- name: Set restart policies
docker_swarm_service:
name: myservice
image: alpine
restart_config:
condition: any
max_attempts: 5
condition: on-failure
delay: 5s
window: 30s
max_attempts: 3
window: 120s
- name: Set update config
docker_swarm_service:
name: myservice
image: alpine
update_config:
parallelism: 2
delay: 10s
order: stop-first
- name: Set placement preferences
docker_swarm_service:
@ -788,7 +854,10 @@ EXAMPLES = '''
image: alpine:edge
placement:
preferences:
- spread: "node.labels.mylabel"
- spread: node.labels.mylabel
constraints:
- node.role == manager
- engine.labels.operatingsystem == ubuntu 14.04
- name: Set configs
docker_swarm_service:
@ -815,11 +884,6 @@ EXAMPLES = '''
secret_name: mysecret_name
filename: "/run/secrets/secret.txt"
- name: Remove service
docker_swarm_service:
name: myservice
state: absent
- name: Start service with healthcheck
docker_swarm_service:
name: myservice
@ -832,6 +896,22 @@ EXAMPLES = '''
timeout: 10s
retries: 3
start_period: 30s
- name: Configure service resources
docker_swarm_service:
name: myservice
image: alpine:edge
reservations:
cpus: 0.25
memory: 20M
limits:
cpus: 0.50
memory: 50M
- name: Remove service
docker_swarm_service:
name: myservice
state: absent
'''
import shlex
@ -1018,6 +1098,7 @@ class DockerService(DockerBaseClass):
'replicas': self.replicas,
'endpoint_mode': self.endpoint_mode,
'restart_policy': self.restart_policy,
'secrets': self.secrets,
'stop_grace_period': self.stop_grace_period,
'stop_signal': self.stop_signal,
'limit_cpu': self.limit_cpu,
@ -1033,6 +1114,7 @@ class DockerService(DockerBaseClass):
'update_monitor': self.update_monitor,
'update_max_failure_ratio': self.update_max_failure_ratio,
'update_order': self.update_order,
'user': self.user,
'working_dir': self.working_dir,
}
@ -2123,8 +2205,8 @@ def main():
publish=dict(type='list', elements='dict', options=dict(
published_port=dict(type='int', required=True),
target_port=dict(type='int', required=True),
protocol=dict(type='str', default='tcp', choices=('tcp', 'udp')),
mode=dict(type='str', choices=('ingress', 'host')),
protocol=dict(type='str', default='tcp', choices=['tcp', 'udp']),
mode=dict(type='str', choices=['ingress', 'host']),
)),
placement=dict(type='dict', options=dict(
constraints=dict(type='list'),
@ -2146,7 +2228,11 @@ def main():
hosts=dict(type='dict'),
labels=dict(type='dict'),
container_labels=dict(type='dict'),
mode=dict(type='str', default='replicated'),
mode=dict(
type='str',
default='replicated',
choices=['replicated', 'global']
),
replicas=dict(type='int', default=-1),
endpoint_mode=dict(type='str', choices=['vip', 'dnsrr']),
stop_grace_period=dict(type='str'),

4
test/integration/targets/docker_swarm_service/tasks/tests/options.yml
View file

@ -1106,7 +1106,7 @@
image: alpine:3.8
resolve_image: no
command: '/bin/sh -v -c "sleep 10m"'
labels: {}
healthcheck: {}
register: healthcheck_8
ignore_errors: yes
@ -1116,7 +1116,7 @@
image: alpine:3.8
resolve_image: no
command: '/bin/sh -v -c "sleep 10m"'
labels: {}
healthcheck: {}
register: healthcheck_9
ignore_errors: yes

4
test/integration/targets/docker_swarm_service/tasks/tests/resources.yml
View file

@ -48,7 +48,7 @@
resolve_image: no
command: '/bin/sh -v -c "sleep 10m"'
limits:
cpus: 2
cpus: 0.5
register: limit_cpu_3
- name: cleanup
@ -159,7 +159,7 @@
resolve_image: no
command: '/bin/sh -v -c "sleep 10m"'
reservations:
cpus: 2
cpus: 0.5
register: reserve_cpu_3
- name: cleanup

2
test/integration/targets/docker_swarm_service/vars/main.yml
View file

@ -26,6 +26,7 @@ service_expected_output:
mode: global
mounts: null
networks: null
secrets: null
stop_grace_period: null
stop_signal: null
placement_preferences: null
@ -46,4 +47,5 @@ service_expected_output:
update_monitor: null
update_order: null
update_parallelism: null
user: null
working_dir: null