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community.general.consul_session – Manipulate consul sessions
Note
This plugin is part of the community.general collection (version 3.8.1).
You might already have this collection installed if you are using the ansible package. It is not included in ansible-core. To check whether it is installed, run ansible-galaxy collection list.
To install it, use: ansible-galaxy collection install community.general.
To use it in a playbook, specify: community.general.consul_session.
Synopsis
- Allows the addition, modification and deletion of sessions in a consul cluster. These sessions can then be used in conjunction with key value pairs to implement distributed locks. In depth documentation for working with sessions can be found at http://www.consul.io/docs/internals/sessions.html
 
Requirements
The below requirements are needed on the host that executes this module.
- python-consul
 - requests
 
Parameters
| Parameter | Choices/Defaults | Comments | 
|---|---|---|
| behavior
        
        string
         | 
      
       
  | 
      
        
        The optional behavior that can be attached to the session when it is created. This controls the behavior when a session is invalidated.
         | 
     
| checks
        
        list / elements=string
         | 
      
        
        Checks that will be used to verify the session health. If all the checks fail, the session will be invalidated and any locks associated with the session will be release and can be acquired once the associated lock delay has expired.
         | 
     |
| datacenter
        
        string
         | 
      
        
        The name of the datacenter in which the session exists or should be created.
         | 
     |
| delay
        
        integer
         | 
      Default: 
        15
         | 
      
        
        The optional lock delay that can be attached to the session when it is created. Locks for invalidated sessions ar blocked from being acquired until this delay has expired. Durations are in seconds.
         | 
     
| host
        
        string
         | 
      Default: 
        "localhost"
         | 
      
        
        The host of the consul agent defaults to localhost.
         | 
     
| id
        
        string
         | 
      
        
        ID of the session, required when state is either  info or remove.
        | 
     |
| name
        
        string
         | 
      
        
        The name that should be associated with the session. Required when state=node is used.
         | 
     |
| node
        
        string
         | 
      
        
        The name of the node that with which the session will be associated. by default this is the name of the agent.
         | 
     |
| port
        
        integer
         | 
      Default: 
        8500
         | 
      
        
        The port on which the consul agent is running.
         | 
     
| scheme
        
        string
         | 
      Default: 
        "http"
         | 
      
        
        The protocol scheme on which the consul agent is running.
         | 
     
| state
        
        string
         | 
      
       
  | 
      
        
        Whether the session should be present i.e. created if it doesn't exist, or absent, removed if present. If created, the id for the session is returned in the output. If  absent, id is required to remove the session. Info for a single session, all the sessions for a node or all available sessions can be retrieved by specifying info, node or list for the state; for node or info, the node name or session id is required as parameter.
        | 
     
| validate_certs
        
        boolean
         | 
      
       
  | 
      
        
        Whether to verify the TLS certificate of the consul agent.
         | 
     
Examples
- name: Register basic session with consul
  community.general.consul_session:
    name: session1
- name: Register a session with an existing check
  community.general.consul_session:
    name: session_with_check
    checks:
      - existing_check_name
- name: Register a session with lock_delay
  community.general.consul_session:
    name: session_with_delay
    delay: 20s
- name: Retrieve info about session by id
  community.general.consul_session:
    id: session_id
    state: info
- name: Retrieve active sessions
  community.general.consul_session:
    state: list
  Authors
- Steve Gargan (@sgargan)
 
© 2012–2018 Michael DeHaan
© 2018–2021 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
 https://docs.ansible.com/ansible/latest/collections/community/general/consul_session_module.html