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Refactored lb_{health_monitor,listener,member,pool} modules
Change-Id: Iffd6ffb08aae4cbd84e4cade79993d82e8c2b2de
This commit is contained in:
@@ -4,287 +4,356 @@
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# Copyright (c) 2020 Jesper Schmitz Mouridsen.
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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DOCUMENTATION = '''
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DOCUMENTATION = r'''
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---
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module: lb_health_monitor
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author: OpenStack Ansible SIG
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short_description: Add/Delete a health m nonitor to a pool in the load balancing service from OpenStack Cloud
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short_description: Manage health monitor in a OpenStack load-balancer pool
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description:
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- Add or Remove a health monitor to/from a pool in the OpenStack load-balancer service.
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- Add, update or remove health monitor from a load-balancer pool in OpenStack
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cloud.
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options:
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name:
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type: 'str'
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description:
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- Name that has to be given to the health monitor
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required: true
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state:
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type: 'str'
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description:
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- Should the resource be present or absent.
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choices: [present, absent]
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default: present
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pool:
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required: true
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type: 'str'
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description:
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- The pool name or id to monitor by the health monitor.
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type:
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type: 'str'
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default: HTTP
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description:
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- One of HTTP, HTTPS, PING, SCTP, TCP, TLS-HELLO, or UDP-CONNECT.
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choices: [HTTP, HTTPS, PING, SCTP, TCP, TLS-HELLO, UDP-CONNECT]
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delay:
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type: 'str'
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required: true
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description:
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- the interval, in seconds, between health checks.
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max_retries:
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required: true
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type: 'str'
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description:
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- The number of successful checks before changing the operating status of the member to ONLINE.
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max_retries_down:
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type: 'str'
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default: '3'
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description:
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- The number of allowed check failures before changing the operating status of the member to ERROR. A valid value is from 1 to 10. The default is 3.
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resp_timeout:
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required: true
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description:
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- The time, in seconds, after which a health check times out. Must be less than delay
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type: int
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admin_state_up:
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default: True
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description:
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- The admin state of the helath monitor true for up or false for down
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type: bool
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expected_codes:
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type: 'str'
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default: '200'
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description:
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- The list of HTTP status codes expected in response from the member to declare it healthy. Specify one of the following values
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A single value, such as 200
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A list, such as 200, 202
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A range, such as 200-204
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http_method:
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type: 'str'
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default: GET
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choices: ['GET', 'CONNECT', 'DELETE', 'HEAD', 'OPTIONS', 'PATCH', 'POST', 'PUT', 'TRACE']
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description:
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- The HTTP method that the health monitor uses for requests. One of CONNECT, DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT, or TRACE. The default is GET.
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url_path:
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type: 'str'
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default: '/'
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description:
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- The HTTP URL path of the request sent by the monitor to test the health of a backend member.
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Must be a string that begins with a forward slash (/). The default URL path is /.
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requirements: ["openstacksdk"]
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delay:
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description:
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- The interval, in seconds, between health checks.
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- Required when I(state) is C(present).
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type: int
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expected_codes:
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description:
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- The list of HTTP status codes expected in response from the member to
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declare it healthy. Specify one of the following values.
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- For example, I(expected_codes) could be a single value, such as C(200),
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a list, such as C(200, 202) or a range, such as C(200-204).
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- "Octavia's default for I(expected_codes) is C(200)."
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type: str
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health_monitor_timeout:
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description:
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- The time, in seconds, after which a health check times out.
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- Must be less than I(delay).
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- Required when I(state) is C(present).
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type: int
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aliases: ['resp_timeout']
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http_method:
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description:
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- The HTTP method that the health monitor uses for requests.
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- For example, I(http_method) could be C(CONNECT), C(DELETE), C(GET),
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C(HEAD), C(OPTIONS), C(PATCH), C(POST), C(PUT), or C(TRACE).
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- "Octavia's default for I(http_method) is C(GET)."
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type: str
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is_admin_state_up:
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description:
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- Whether the health monitor is up or down.
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type: bool
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aliases: ['admin_state_up']
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max_retries:
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description:
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- The number of successful checks before changing the operating status
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of the member to ONLINE.
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- Required when I(state) is C(present).
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type: int
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max_retries_down:
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description:
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- The number of allowed check failures before changing the operating
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status of the member to ERROR. A valid value is from 1 to 10.
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type: int
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name:
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description:
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- Name that has to be given to the health monitor.
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- This attribute cannot be updated.
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type: str
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required: true
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pool:
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description:
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- The pool name or id to monitor by the health monitor.
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- Required when I(state) is C(present).
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- This attribute cannot be updated.
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type: str
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state:
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description:
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- Should the resource be present or absent.
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choices: [present, absent]
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default: present
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type: str
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type:
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default: HTTP
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description:
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- The type of health monitor.
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- For example, I(type) could be C(HTTP), C(HTTPS), C(PING), C(SCTP),
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C(TCP), C(TLS-HELLO) or C(UDP-CONNECT).
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- This attribute cannot be updated.
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type: str
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url_path:
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description:
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- The HTTP URL path of the request sent by the monitor to test the health
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of a backend member.
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- Must be a string that begins with a forward slash (C(/)).
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- "Octavia's default URL path is C(/)."
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type: str
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requirements:
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- "python >= 3.6"
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- "openstacksdk"
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extends_documentation_fragment:
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- openstack.cloud.openstack
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- openstack.cloud.openstack
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'''
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EXAMPLES = '''
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#Create a healtmonitor named healthmonitor01 with method HEAD url_path /status and expect code 200
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- openstack.cloud.lb_health_monitor:
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auth:
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auth_url: "{{keystone_url}}"
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username: "{{username}}"
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password: "{{password}}"
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project_domain_name: "{{domain_name}}"
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user_domain_name: "{{domain_name}}"
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project_name: "{{project_name}}"
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wait: true
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admin_state_up: True
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expected_codes: '200'
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max_retries_down: '4'
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http_method: GET
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url_path: "/status"
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pool: '{{pool_id}}'
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name: 'healthmonitor01'
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delay: '10'
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max_retries: '3'
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resp_timeout: '5'
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state: present
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'''
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RETURN = '''
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health_monitor:
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description: Dictionary describing the health monitor.
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returned: On success when C(state=present)
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type: complex
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contains:
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id:
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description: The health monitor UUID.
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returned: On success when C(state=present)
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type: str
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admin_state_up:
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returned: On success when C(state=present)
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description: The administrative state of the resource.
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type: bool
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created_at:
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returned: On success when C(state=present)
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description: The UTC date and timestamp when the resource was created.
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type: str
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delay:
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returned: On success when C(state=present)
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description: The time, in seconds, between sending probes to members.
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type: int
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expected_codes:
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returned: On success when C(state=present)
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description: The list of HTTP status codes expected in response from the member to declare it healthy.
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type: str
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http_method:
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returned: On success when C(state=present)
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description: The HTTP method that the health monitor uses for requests.
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type: str
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max_retries:
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returned: On success when C(state=present)
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description: The number of successful checks before changing the operating status of the member to ONLINE.
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type: str
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max_retries_down:
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returned: On success when C(state=present)
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description: The number of allowed check failures before changing the operating status of the member to ERROR.
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type: str
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name:
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returned: On success when C(state=present)
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description: Human-readable name of the resource.
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type: str
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operating_status:
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returned: On success when C(state=present)
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description: The operating status of the resource.
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type: str
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pool_id:
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returned: On success when C(state=present)
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description: The id of the pool.
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type: str
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project_id:
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returned: On success when C(state=present)
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description: The ID of the project owning this resource.
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type: str
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provisioning_status:
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returned: On success when C(state=present)
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description: The provisioning status of the resource.
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type: str
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timeout:
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returned: On success when C(state=present)
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description: The maximum time, in seconds, that a monitor waits to connect before it times out.
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type: int
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type:
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returned: On success when C(state=present)
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description: The type of health monitor.
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type: str
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updated_at:
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returned: On success when C(state=present)
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description: The UTC date and timestamp when the resource was last updated.
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type: str
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url_path:
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returned: On success when C(state=present)
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description: The HTTP URL path of the request sent by the monitor to test the health of a backend member.
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type: str
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'''
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import time
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RETURN = r'''
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health_monitor:
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description: Dictionary describing the load-balancer health monitor.
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returned: On success when I(state) is C(present).
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type: dict
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contains:
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created_at:
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description: The UTC date and timestamp when the resource was created.
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type: str
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delay:
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description: The time, in seconds, between sending probes to members.
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type: int
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expected_codes:
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description: The list of HTTP status codes expected in response from the
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member to declare it healthy.
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type: str
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http_method:
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description: The HTTP method that the health monitor uses for requests.
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type: str
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id:
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description: The health monitor UUID.
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type: str
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is_admin_state_up:
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description: The administrative state of the resource.
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type: bool
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max_retries:
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description: The number of successful checks before changing the
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operating status of the member to ONLINE.
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type: int
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max_retries_down:
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description: The number of allowed check failures before changing the
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operating status of the member to ERROR.
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type: int
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name:
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description: Human-readable name of the resource.
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type: str
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operating_status:
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description: The operating status of the resource.
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type: str
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pool_id:
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description: The id of the pool.
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type: str
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pools:
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description: List of associated pool ids.
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type: list
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project_id:
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description: The ID of the project owning this resource.
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type: str
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provisioning_status:
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description: The provisioning status of the resource.
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type: str
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tags:
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description: A list of associated tags.
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type: list
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timeout:
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description: The maximum time, in seconds, that a monitor waits to
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connect before it times out.
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type: int
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type:
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description: The type of health monitor.
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type: str
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updated_at:
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description: The UTC date and timestamp when the resource was last
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updated.
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type: str
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url_path:
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description: The HTTP URL path of the request sent by the monitor to
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test the health of a backend member.
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type: str
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'''
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EXAMPLES = r'''
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- name: Create a load-balancer health monitor
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openstack.cloud.lb_health_monitor:
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cloud: devstack
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delay: 10
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expected_codes: '200'
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health_monitor_timeout: 5
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http_method: GET
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is_admin_state_up: true
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max_retries: 3
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max_retries_down: 4
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name: healthmonitor01
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pool: lb_pool
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state: present
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url_path: '/status'
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- name: Delete a load-balancer health monitor
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openstack.cloud.lb_health_monitor:
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cloud: devstack
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name: healthmonitor01
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state: absent
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'''
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from ansible_collections.openstack.cloud.plugins.module_utils.openstack import OpenStackModule
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class HealthMonitorModule(OpenStackModule):
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def _wait_for_health_monitor_status(self, health_monitor_id, status, failures, interval=5):
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timeout = self.params['timeout']
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total_sleep = 0
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if failures is None:
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failures = []
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while total_sleep < timeout:
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health_monitor = self.conn.load_balancer.get_health_monitor(health_monitor_id)
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provisioning_status = health_monitor.provisioning_status
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if provisioning_status == status:
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return health_monitor
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if provisioning_status in failures:
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self._fail_json(
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msg="health monitor %s transitioned to failure state %s" %
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(health_monitor, provisioning_status)
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)
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time.sleep(interval)
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total_sleep += interval
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self._fail_json(msg="timeout waiting for health monitor %s to transition to %s" %
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(health_monitor_id, status)
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)
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class LoadBalancerHealthMonitorModule(OpenStackModule):
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argument_spec = dict(
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delay=dict(type='int'),
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expected_codes=dict(),
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health_monitor_timeout=dict(type='int', aliases=['resp_timeout']),
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http_method=dict(),
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is_admin_state_up=dict(type='bool', aliases=['admin_state_up']),
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max_retries=dict(type='int'),
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max_retries_down=dict(type='int'),
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name=dict(required=True),
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delay=dict(required=True),
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max_retries=dict(required=True),
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max_retries_down=dict(default="3"),
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resp_timeout=dict(required=True, type='int'),
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pool=dict(required=True),
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expected_codes=dict(default="200"),
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admin_state_up=dict(default=True, type='bool'),
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pool=dict(),
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state=dict(default='present', choices=['absent', 'present']),
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http_method=dict(default="GET", choices=["GET", "CONNECT", "DELETE",
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"HEAD", "OPTIONS", "PATCH",
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"POST", "PUT", "TRACE"]),
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url_path=dict(default="/"),
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type=dict(default='HTTP',
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choices=['HTTP', 'HTTPS', 'PING', 'SCTP', 'TCP', 'TLS-HELLO', 'UDP-CONNECT']))
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type=dict(default='HTTP'),
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url_path=dict(),
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)
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module_kwargs = dict(supports_check_mode=True)
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module_kwargs = dict(
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required_if=[
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('state', 'present', ('delay', 'health_monitor_timeout',
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'max_retries', 'pool',)),
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],
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supports_check_mode=True,
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)
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def run(self):
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state = self.params['state']
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try:
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changed = False
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health_monitor = self.conn.load_balancer.find_health_monitor(name_or_id=self.params['name'])
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pool = self.conn.load_balancer.find_pool(name_or_id=self.params['pool'])
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if self.params['state'] == 'present':
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if not health_monitor:
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changed = True
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health_attrs = {"pool_id": pool.id,
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"type": self.params["type"],
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"delay": self.params['delay'],
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"max_retries": self.params['max_retries'],
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"max_retries_down": self.params['max_retries_down'],
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"timeout": self.params['resp_timeout'],
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"name": self.params['name'],
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"admin_state_up": self.params["admin_state_up"],
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}
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if self.params["type"] in ["HTTP", "HTTPS"]:
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health_attrs["expected_codes"] = self.params["expected_codes"]
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health_attrs["http_method"] = self.params["http_method"]
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health_attrs["url_path"] = self.params["url_path"]
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health_monitor = self._find()
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if self.ansible.check_mode:
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self.exit_json(changed=True)
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if self.ansible.check_mode:
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self.exit_json(changed=self._will_change(state, health_monitor))
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health_monitor = self.conn.load_balancer.create_health_monitor(**health_attrs)
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if not self.params['wait']:
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self.exit_json(changed=changed, id=health_monitor.id,
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health_monitor=health_monitor.to_dict())
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else:
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health_monitor = self._wait_for_health_monitor_status(health_monitor.id, "ACTIVE", ["ERROR"])
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self.exit_json(changed=changed, id=health_monitor.id,
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health_monitor=health_monitor.to_dict())
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else:
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self.exit_json(changed=changed, id=health_monitor.id,
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health_monitor=health_monitor.to_dict()
|
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)
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elif self.params['state'] == 'absent':
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if health_monitor:
|
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if self.ansible.check_mode:
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self.exit_json(changed=True)
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self.conn.load_balancer.delete_health_monitor(health_monitor)
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||||
changed = True
|
||||
if state == 'present' and not health_monitor:
|
||||
# Create health_monitor
|
||||
health_monitor = self._create()
|
||||
self.exit_json(
|
||||
changed=True,
|
||||
health_monitor=health_monitor.to_dict(computed=False))
|
||||
|
||||
self.exit_json(changed=changed)
|
||||
except Exception as e:
|
||||
self.fail(msg=str(e))
|
||||
elif state == 'present' and health_monitor:
|
||||
# Update health_monitor
|
||||
update = self._build_update(health_monitor)
|
||||
if update:
|
||||
health_monitor = self._update(health_monitor, update)
|
||||
|
||||
self.exit_json(
|
||||
changed=bool(update),
|
||||
health_monitor=health_monitor.to_dict(computed=False))
|
||||
|
||||
elif state == 'absent' and health_monitor:
|
||||
# Delete health_monitor
|
||||
self._delete(health_monitor)
|
||||
self.exit_json(changed=True)
|
||||
|
||||
elif state == 'absent' and not health_monitor:
|
||||
# Do nothing
|
||||
self.exit_json(changed=False)
|
||||
|
||||
def _build_update(self, health_monitor):
|
||||
update = {}
|
||||
|
||||
non_updateable_keys = [k for k in ['type']
|
||||
if self.params[k] is not None
|
||||
and self.params[k] != health_monitor[k]]
|
||||
|
||||
pool_name_or_id = self.params['pool']
|
||||
pool = self.conn.load_balancer.find_pool(name_or_id=pool_name_or_id,
|
||||
ignore_missing=False)
|
||||
# Field pool_id is not returned from self.conn.load_balancer.\
|
||||
# find_pool() so use pools instead.
|
||||
if health_monitor['pools'] != [dict(id=pool.id)]:
|
||||
non_updateable_keys.append('pool')
|
||||
|
||||
if non_updateable_keys:
|
||||
self.fail_json(msg='Cannot update parameters {0}'
|
||||
.format(non_updateable_keys))
|
||||
|
||||
attributes = dict((k, self.params[k])
|
||||
for k in ['delay', 'expected_codes', 'http_method',
|
||||
'is_admin_state_up', 'max_retries',
|
||||
'max_retries_down', 'type', 'url_path']
|
||||
if self.params[k] is not None
|
||||
and self.params[k] != health_monitor[k])
|
||||
|
||||
health_monitor_timeout = self.params['health_monitor_timeout']
|
||||
if health_monitor_timeout is not None \
|
||||
and health_monitor_timeout != health_monitor['timeout']:
|
||||
attributes['timeout'] = health_monitor_timeout
|
||||
|
||||
if attributes:
|
||||
update['attributes'] = attributes
|
||||
|
||||
return update
|
||||
|
||||
def _create(self):
|
||||
kwargs = dict((k, self.params[k])
|
||||
for k in ['delay', 'expected_codes', 'http_method',
|
||||
'is_admin_state_up', 'max_retries',
|
||||
'max_retries_down', 'name', 'type', 'url_path']
|
||||
if self.params[k] is not None)
|
||||
|
||||
health_monitor_timeout = self.params['health_monitor_timeout']
|
||||
if health_monitor_timeout is not None:
|
||||
kwargs['timeout'] = health_monitor_timeout
|
||||
|
||||
pool_name_or_id = self.params['pool']
|
||||
pool = self.conn.load_balancer.find_pool(name_or_id=pool_name_or_id,
|
||||
ignore_missing=False)
|
||||
kwargs['pool_id'] = pool.id
|
||||
|
||||
health_monitor = \
|
||||
self.conn.load_balancer.create_health_monitor(**kwargs)
|
||||
|
||||
if self.params['wait']:
|
||||
health_monitor = self.sdk.resource.wait_for_status(
|
||||
self.conn.load_balancer, health_monitor,
|
||||
status='active',
|
||||
failures=['error'],
|
||||
wait=self.params['timeout'],
|
||||
attribute='provisioning_status')
|
||||
|
||||
return health_monitor
|
||||
|
||||
def _delete(self, health_monitor):
|
||||
self.conn.load_balancer.delete_health_monitor(health_monitor.id)
|
||||
|
||||
def _find(self):
|
||||
name = self.params['name']
|
||||
return self.conn.load_balancer.find_health_monitor(name_or_id=name)
|
||||
|
||||
def _update(self, health_monitor, update):
|
||||
attributes = update.get('attributes')
|
||||
if attributes:
|
||||
health_monitor = self.conn.load_balancer.update_health_monitor(
|
||||
health_monitor.id, **attributes)
|
||||
|
||||
if self.params['wait']:
|
||||
health_monitor = self.sdk.resource.wait_for_status(
|
||||
self.conn.load_balancer, health_monitor,
|
||||
status='active',
|
||||
failures=['error'],
|
||||
wait=self.params['timeout'],
|
||||
attribute='provisioning_status')
|
||||
|
||||
return health_monitor
|
||||
|
||||
def _will_change(self, state, health_monitor):
|
||||
if state == 'present' and not health_monitor:
|
||||
return True
|
||||
elif state == 'present' and health_monitor:
|
||||
return bool(self._build_update(health_monitor))
|
||||
elif state == 'absent' and health_monitor:
|
||||
return True
|
||||
else:
|
||||
# state == 'absent' and not health_monitor:
|
||||
return False
|
||||
|
||||
|
||||
def main():
|
||||
module = HealthMonitorModule()
|
||||
module = LoadBalancerHealthMonitorModule()
|
||||
module()
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user