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community.general/plugins/modules/scaleway_container.py
Guillaume MARTINEZ 4fed0e13db
[Scaleway] Add module to manage containers (#5496)
Signed-off-by: Lunik <lunik@tiwabbit.fr>

Signed-off-by: Lunik <lunik@tiwabbit.fr>
2022-11-07 21:04:55 +01:00

406 lines
12 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Scaleway Serverless container management module
#
# Copyright (c) 2022, Guillaume MARTINEZ <lunik@tiwabbit.fr>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: scaleway_container
short_description: Scaleway Container management
version_added: 6.0.0
author: Guillaume MARTINEZ (@Lunik)
description:
- This module manages container on Scaleway account.
extends_documentation_fragment:
- community.general.scaleway
- community.general.scaleway_waitable_resource
requirements:
- passlib[argon2] >= 1.7.4
options:
state:
type: str
description:
- Indicate desired state of the container.
default: present
choices:
- present
- absent
namespace_id:
type: str
description:
- Container namespace identifier.
required: true
region:
type: str
description:
- Scaleway region to use (for example C(fr-par)).
required: true
choices:
- fr-par
- nl-ams
- pl-waw
name:
type: str
description:
- Name of the container namespace.
required: true
description:
description:
- Description of the container namespace.
type: str
default: ''
min_scale:
description:
- Minimum number of replicas for the container.
type: int
max_scale:
description:
- Maximum number of replicas for the container.
type: int
environment_variables:
description:
- Environment variables of the container namespace.
- Injected in container at runtime.
type: dict
default: {}
secret_environment_variables:
description:
- Secret environment variables of the container namespace.
- Updating thoses values will not output a C(changed) state in Ansible.
- Injected in container at runtime.
type: dict
default: {}
memory_limit:
description:
- Resources define performance characteristics of your container.
- They are allocated to your container at runtime.
type: int
container_timeout:
description:
- The length of time your handler can spend processing a request before being stopped.
type: str
privacy:
description:
- Privacy policies define whether a container can be executed anonymously.
- Choose C(public) to enable anonymous execution, or C(private) to protect your container with an authentication mechanism provided by the Scaleway API.
type: str
default: public
choices:
- public
- private
registry_image:
description:
- The name of image used for the container.
type: str
required: true
max_concurrency:
description:
- Maximum number of connections per container.
- This parameter will be used to trigger autoscaling.
type: int
protocol:
description:
- Communication protocol of the container.
type: str
default: http1
choices:
- http1
- h2c
port:
description:
- Listen port used to expose the container.
type: int
redeploy:
description:
- Redeploy the container if update is required.
type: bool
default: false
'''
EXAMPLES = '''
- name: Create a container
community.general.scaleway_container:
namespace_id: '{{ scw_container_namespace }}'
state: present
region: fr-par
name: my-awesome-container
registry_image: rg.fr-par.scw.cloud/funcscwtestrgy2f9zw/nginx:latest
environment_variables:
MY_VAR: my_value
secret_environment_variables:
MY_SECRET_VAR: my_secret_value
register: container_creation_task
- name: Make sure container is deleted
community.general.scaleway_container:
namespace_id: '{{ scw_container_namespace }}'
state: absent
region: fr-par
name: my-awesome-container
'''
RETURN = '''
container:
description: The container information.
returned: when I(state=present)
type: dict
sample:
cpu_limit: 140
description: Container used for testing scaleway_container ansible module
domain_name: cnansibletestgfogtjod-cn-ansible-test.functions.fnc.fr-par.scw.cloud
environment_variables:
MY_VAR: my_value
error_message: null
http_option: ""
id: c9070eb0-d7a4-48dd-9af3-4fb139890721
max_concurrency: 50
max_scale: 5
memory_limit: 256
min_scale: 0
name: cn-ansible-test
namespace_id: 75e299f1-d1e5-4e6b-bc6e-4fb51cfe1e69
port: 80
privacy: public
protocol: http1
region: fr-par
registry_image: rg.fr-par.scw.cloud/namespace-ansible-ci/nginx:latest
secret_environment_variables:
- key: MY_SECRET_VAR
value: $argon2id$v=19$m=65536,t=1,p=2$tb6UwSPWx/rH5Vyxt9Ujfw$5ZlvaIjWwNDPxD9Rdght3NarJz4IETKjpvAU3mMSmFg
status: created
timeout: 300s
'''
from copy import deepcopy
from ansible_collections.community.general.plugins.module_utils.scaleway import (
SCALEWAY_ENDPOINT, SCALEWAY_REGIONS, scaleway_argument_spec, Scaleway,
scaleway_waitable_resource_argument_spec, resource_attributes_should_be_changed,
SecretVariables
)
from ansible.module_utils.basic import AnsibleModule
STABLE_STATES = (
"ready",
"created",
"absent"
)
MUTABLE_ATTRIBUTES = (
"description",
"min_scale",
"max_scale",
"environment_variables",
"memory_limit",
"timeout",
"privacy",
"registry_image",
"max_concurrency",
"protocol",
"port",
"secret_environment_variables"
)
def payload_from_wished_cn(wished_cn):
payload = {
"namespace_id": wished_cn["namespace_id"],
"name": wished_cn["name"],
"description": wished_cn["description"],
"min_scale": wished_cn["min_scale"],
"max_scale": wished_cn["max_scale"],
"environment_variables": wished_cn["environment_variables"],
"secret_environment_variables": SecretVariables.dict_to_list(wished_cn["secret_environment_variables"]),
"memory_limit": wished_cn["memory_limit"],
"timeout": wished_cn["timeout"],
"privacy": wished_cn["privacy"],
"registry_image": wished_cn["registry_image"],
"max_concurrency": wished_cn["max_concurrency"],
"protocol": wished_cn["protocol"],
"port": wished_cn["port"],
"redeploy": wished_cn["redeploy"]
}
return payload
def absent_strategy(api, wished_cn):
changed = False
cn_list = api.fetch_all_resources("containers")
cn_lookup = dict((cn["name"], cn)
for cn in cn_list)
if wished_cn["name"] not in cn_lookup:
return changed, {}
target_cn = cn_lookup[wished_cn["name"]]
changed = True
if api.module.check_mode:
return changed, {"status": "Container would be destroyed"}
api.wait_to_complete_state_transition(resource=target_cn, stable_states=STABLE_STATES, force_wait=True)
response = api.delete(path=api.api_path + "/%s" % target_cn["id"])
if not response.ok:
api.module.fail_json(msg='Error deleting container [{0}: {1}]'.format(
response.status_code, response.json))
api.wait_to_complete_state_transition(resource=target_cn, stable_states=STABLE_STATES)
return changed, response.json
def present_strategy(api, wished_cn):
changed = False
cn_list = api.fetch_all_resources("containers")
cn_lookup = dict((cn["name"], cn)
for cn in cn_list)
payload_cn = payload_from_wished_cn(wished_cn)
if wished_cn["name"] not in cn_lookup:
changed = True
if api.module.check_mode:
return changed, {"status": "A container would be created."}
# Creation doesn't support `redeploy` parameter
del payload_cn["redeploy"]
# Create container
api.warn(payload_cn)
creation_response = api.post(path=api.api_path,
data=payload_cn)
if not creation_response.ok:
msg = "Error during container creation: %s: '%s' (%s)" % (creation_response.info['msg'],
creation_response.json['message'],
creation_response.json)
api.module.fail_json(msg=msg)
api.wait_to_complete_state_transition(resource=creation_response.json, stable_states=STABLE_STATES)
response = api.get(path=api.api_path + "/%s" % creation_response.json["id"])
return changed, response.json
target_cn = cn_lookup[wished_cn["name"]]
decoded_target_cn = deepcopy(target_cn)
decoded_target_cn["secret_environment_variables"] = SecretVariables.decode(decoded_target_cn["secret_environment_variables"],
payload_cn["secret_environment_variables"])
patch_payload = resource_attributes_should_be_changed(target=decoded_target_cn,
wished=payload_cn,
verifiable_mutable_attributes=MUTABLE_ATTRIBUTES,
mutable_attributes=MUTABLE_ATTRIBUTES)
if not patch_payload:
return changed, target_cn
changed = True
if api.module.check_mode:
return changed, {"status": "Container attributes would be changed."}
cn_patch_response = api.patch(path=api.api_path + "/%s" % target_cn["id"],
data=patch_payload)
if not cn_patch_response.ok:
api.module.fail_json(msg='Error during container attributes update: [{0}: {1}]'.format(
cn_patch_response.status_code, cn_patch_response.json['message']))
api.wait_to_complete_state_transition(resource=target_cn, stable_states=STABLE_STATES)
response = api.get(path=api.api_path + "/%s" % target_cn["id"])
return changed, response.json
state_strategy = {
"present": present_strategy,
"absent": absent_strategy
}
def core(module):
SecretVariables.ensure_scaleway_secret_package(module)
region = module.params["region"]
wished_container = {
"state": module.params["state"],
"namespace_id": module.params["namespace_id"],
"name": module.params["name"],
"description": module.params['description'],
"min_scale": module.params["min_scale"],
"max_scale": module.params["max_scale"],
"environment_variables": module.params['environment_variables'],
"secret_environment_variables": module.params['secret_environment_variables'],
"memory_limit": module.params["memory_limit"],
"timeout": module.params["container_timeout"],
"privacy": module.params["privacy"],
"registry_image": module.params["registry_image"],
"max_concurrency": module.params["max_concurrency"],
"protocol": module.params["protocol"],
"port": module.params["port"],
"redeploy": module.params["redeploy"]
}
api = Scaleway(module=module)
api.api_path = "containers/v1beta1/regions/%s/containers" % region
changed, summary = state_strategy[wished_container["state"]](api=api, wished_cn=wished_container)
module.exit_json(changed=changed, container=summary)
def main():
argument_spec = scaleway_argument_spec()
argument_spec.update(scaleway_waitable_resource_argument_spec())
argument_spec.update(dict(
state=dict(type='str', default='present', choices=['absent', 'present']),
namespace_id=dict(type='str', required=True),
region=dict(type='str', required=True, choices=SCALEWAY_REGIONS),
name=dict(type='str', required=True),
description=dict(type='str', default=''),
min_scale=dict(type='int'),
max_scale=dict(type='int'),
memory_limit=dict(type='int'),
container_timeout=dict(type='str'),
privacy=dict(type='str', default='public', choices=['public', 'private']),
registry_image=dict(type='str', required=True),
max_concurrency=dict(type='int'),
protocol=dict(type='str', default='http1', choices=['http1', 'h2c']),
port=dict(type='int'),
redeploy=dict(type='bool', default=False),
environment_variables=dict(type='dict', default={}),
secret_environment_variables=dict(type='dict', default={}, no_log=True)
))
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True,
)
core(module)
if __name__ == '__main__':
main()