文件操作 - ecs_cluster.py

文件: /usr/lib/python3.12/site-packages/ansible_collections/community/aws/plugins/modules/ecs_cluster.py

编辑文件内容

# -*- coding: utf-8 -*-

# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

DOCUMENTATION = r"""
---
module: ecs_cluster
version_added: 1.0.0
short_description: Create or terminate ECS clusters.
notes:
  - When deleting a cluster, the information returned is the state of the cluster prior to deletion.
  - It will also wait for a cluster to have instances registered to it.
description:
  - Creates or terminates ecs clusters.
author:
  - Mark Chance (@Java1Guy)
options:
    state:
        description:
            - The desired state of the cluster.
        required: true
        choices: ['present', 'absent', 'has_instances']
        type: str
    name:
        description:
            - The cluster name.
        required: true
        type: str
    delay:
        description:
            - Number of seconds to wait.
        required: false
        type: int
        default: 10
    repeat:
        description:
            - The number of times to wait for the cluster to have an instance.
        required: false
        type: int
        default: 10
    capacity_providers:
        version_added: 5.2.0
        description:
            - List of capacity providers to use for the cluster.
        required: false
        type: list
        elements: str
    capacity_provider_strategy:
        version_added: 5.2.0
        description:
            - List of capacity provider strategies to use for the cluster.
        required: false
        type: list
        elements: dict
        suboptions:
            capacity_provider:
                description:
                  - Name of capacity provider.
                type: str
            weight:
                description:
                  - The relative percentage of the total number of launched tasks that should use the specified provider.
                type: int
            base:
                description:
                  - How many tasks, at a minimum, should use the specified provider.
                type: int
                default: 0
    purge_capacity_providers:
        version_added: 5.2.0
        description:
            - Toggle overwriting of existing capacity providers or strategy. This is needed for backwards compatibility.
            - By default I(purge_capacity_providers=false).  In a release after 2024-06-01 this will be changed to I(purge_capacity_providers=true).
        required: false
        type: bool
        default: false
extends_documentation_fragment:
  - amazon.aws.common.modules
  - amazon.aws.region.modules
  - amazon.aws.boto3
"""

EXAMPLES = r"""
# Note: These examples do not set authentication details, see the AWS Guide for details.

- name: Cluster creation
  community.aws.ecs_cluster:
    name: default
    state: present

- name: Cluster creation with capacity providers and strategies.
  community.aws.ecs_cluster:
    name: default
    state: present
    capacity_providers:
      - FARGATE
      - FARGATE_SPOT
    capacity_provider_strategy:
      - capacity_provider: FARGATE
        base: 1
        weight: 1
      - capacity_provider: FARGATE_SPOT
        weight: 100
    purge_capacity_providers: true

- name: Cluster deletion
  community.aws.ecs_cluster:
    name: default
    state: absent

- name: Wait for register
  community.aws.ecs_cluster:
    name: "{{ new_cluster }}"
    state: has_instances
    delay: 10
    repeat: 10
  register: task_output
"""

RETURN = r"""
activeServicesCount:
    description: how many services are active in this cluster
    returned: 0 if a new cluster
    type: int
capacityProviders:
    version_added: 5.2.0
    description: list of capacity providers used in this cluster
    returned: always
    type: list
defaultCapacityProviderStrategy:
    version_added: 5.2.0
    description: list of capacity provider strategies used in this cluster
    returned: always
    type: list
clusterArn:
    description: the ARN of the cluster just created
    type: str
    returned: 0 if a new cluster
    sample: arn:aws:ecs:us-west-2:123456789012:cluster/test-cluster
clusterName:
    description: name of the cluster just created (should match the input argument)
    type: str
    returned: always
    sample: test-cluster
pendingTasksCount:
    description: how many tasks are waiting to run in this cluster
    returned: 0 if a new cluster
    type: int
registeredContainerInstancesCount:
    description: how many container instances are available in this cluster
    returned: 0 if a new cluster
    type: int
runningTasksCount:
    description: how many tasks are running in this cluster
    returned: 0 if a new cluster
    type: int
status:
    description: the status of the new cluster
    returned: always
    type: str
    sample: ACTIVE
"""

import time

try:
    import botocore
except ImportError:
    pass  # Handled by AnsibleAWSModule

from ansible.module_utils.common.dict_transformations import camel_dict_to_snake_dict
from ansible.module_utils.common.dict_transformations import snake_dict_to_camel_dict

from ansible_collections.community.aws.plugins.module_utils.modules import AnsibleCommunityAWSModule as AnsibleAWSModule

class EcsClusterManager:
    """Handles ECS Clusters"""

def __init__(self, module):
        self.module = module
        try:
            self.ecs = module.client("ecs")
        except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
            module.fail_json_aws(e, msg="Failed to connect to AWS")

def find_in_array(self, array_of_clusters, cluster_name, field_name="clusterArn"):
        for c in array_of_clusters:
            if c[field_name].endswith(cluster_name):
                return c
        return None

def describe_cluster(self, cluster_name):
        response = self.ecs.describe_clusters(clusters=[cluster_name])
        if len(response["failures"]) > 0:
            c = self.find_in_array(response["failures"], cluster_name, "arn")
            if c and c["reason"] == "MISSING":
                return None
            # fall thru and look through found ones
        if len(response["clusters"]) > 0:
            c = self.find_in_array(response["clusters"], cluster_name)
            if c:
                return c
        raise Exception(f"Unknown problem describing cluster {cluster_name}.")

def create_cluster(self, cluster_name, capacity_providers, capacity_provider_strategy):
        params = dict(clusterName=cluster_name)
        if capacity_providers:
            params["capacityProviders"] = snake_dict_to_camel_dict(capacity_providers)
        if capacity_provider_strategy:
            params["defaultCapacityProviderStrategy"] = snake_dict_to_camel_dict(capacity_provider_strategy)
        response = self.ecs.create_cluster(**params)
        return response["cluster"]

def update_cluster(self, cluster_name, capacity_providers, capacity_provider_strategy):
        params = dict(cluster=cluster_name)
        if capacity_providers:
            params["capacityProviders"] = snake_dict_to_camel_dict(capacity_providers)
        else:
            params["capacityProviders"] = []
        if capacity_provider_strategy:
            params["defaultCapacityProviderStrategy"] = snake_dict_to_camel_dict(capacity_provider_strategy)
        else:
            params["defaultCapacityProviderStrategy"] = []
        response = self.ecs.put_cluster_capacity_providers(**params)
        return response["cluster"]

def delete_cluster(self, clusterName):
        return self.ecs.delete_cluster(cluster=clusterName)

def main():
    argument_spec = dict(
        state=dict(required=True, choices=["present", "absent", "has_instances"]),
        name=dict(required=True, type="str"),
        delay=dict(required=False, type="int", default=10),
        repeat=dict(required=False, type="int", default=10),
        purge_capacity_providers=dict(required=False, type="bool", default=False),
        capacity_providers=dict(required=False, type="list", elements="str"),
        capacity_provider_strategy=dict(
            required=False,
            type="list",
            elements="dict",
            options=dict(
                capacity_provider=dict(type="str"),
                weight=dict(type="int"),
                base=dict(type="int", default=0),
            ),
        ),
    )
    required_together = [["state", "name"]]

module = AnsibleAWSModule(
        argument_spec=argument_spec,
        supports_check_mode=True,
        required_together=required_together,
    )

cluster_mgr = EcsClusterManager(module)
    try:
        existing = cluster_mgr.describe_cluster(module.params["name"])
    except Exception as e:
        module.fail_json(msg="Exception describing cluster '" + module.params["name"] + "': " + str(e))

results = dict(changed=False)
    if module.params["state"] == "present":
        # Pull requested and existing capacity providers and strategies.
        purge_capacity_providers = module.params["purge_capacity_providers"]
        requested_cp = module.params["capacity_providers"]
        requested_cps = module.params["capacity_provider_strategy"]
        if existing and "status" in existing and existing["status"] == "ACTIVE":
            existing_cp = existing["capacityProviders"]
            existing_cps = existing["defaultCapacityProviderStrategy"]

if requested_cp is None:
                requested_cp = []

# Check if capacity provider strategy needs to trigger an update.
            cps_update_needed = False
            if requested_cps is not None:
                for strategy in requested_cps:
                    if snake_dict_to_camel_dict(strategy) not in existing_cps:
                        cps_update_needed = True
                for strategy in existing_cps:
                    if camel_dict_to_snake_dict(strategy) not in requested_cps:
                        cps_update_needed = True
            elif requested_cps is None and existing_cps != []:
                cps_update_needed = True

# Unless purge_capacity_providers is true, we will not be updating the providers or strategy.
            if not purge_capacity_providers:
                module.deprecate(
                    "After 2024-06-01 the default value of purge_capacity_providers will change from false to true."
                    " To maintain the existing behaviour explicitly set purge_capacity_providers=true",
                    date="2024-06-01",
                    collection_name="community.aws",
                )
                cps_update_needed = False
                requested_cp = existing_cp
                requested_cps = existing_cps

# If either the providers or strategy differ, update the cluster.
            if requested_cp != existing_cp or cps_update_needed:
                if not module.check_mode:
                    results["cluster"] = cluster_mgr.update_cluster(
                        cluster_name=module.params["name"],
                        capacity_providers=requested_cp,
                        capacity_provider_strategy=requested_cps,
                    )
                results["changed"] = True
            else:
                results["cluster"] = existing
        else:
            if not module.check_mode:
                # doesn't exist. create it.
                results["cluster"] = cluster_mgr.create_cluster(
                    cluster_name=module.params["name"],
                    capacity_providers=requested_cp,
                    capacity_provider_strategy=requested_cps,
                )
            results["changed"] = True

# delete the cluster
    elif module.params["state"] == "absent":
        if not existing:
            pass
        else:
            # it exists, so we should delete it and mark changed.
            # return info about the cluster deleted
            results["cluster"] = existing
            if "status" in existing and existing["status"] == "INACTIVE":
                results["changed"] = False
            else:
                if not module.check_mode:
                    cluster_mgr.delete_cluster(module.params["name"])
                results["changed"] = True
    elif module.params["state"] == "has_instances":
        if not existing:
            module.fail_json(msg="Cluster '" + module.params["name"] + " not found.")
            return
        # it exists, so we should delete it and mark changed.
        # return info about the cluster deleted
        delay = module.params["delay"]
        repeat = module.params["repeat"]
        time.sleep(delay)
        count = 0
        for i in range(repeat):
            existing = cluster_mgr.describe_cluster(module.params["name"])
            count = existing["registeredContainerInstancesCount"]
            if count > 0:
                results["changed"] = True
                break
            time.sleep(delay)
        if count == 0 and i is repeat - 1:
            module.fail_json(
                msg="Cluster instance count still zero after "
                + str(repeat)
                + " tries of "
                + str(delay)
                + " seconds each."
            )
            return

module.exit_json(**results)

if __name__ == "__main__":
    main()

文件操作 - ecs_cluster.py

文件: /usr/lib/python3.12/site-packages/ansible_collections/community/aws/plugins/modules/ecs_cluster.py

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