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community.general.lmdb_kv – fetch data from LMDB
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.lmdb_kv.
New in version 0.2.0: of community.general
Synopsis
- This lookup returns a list of results from an LMDB DB corresponding to a list of items given to it
 
Requirements
The below requirements are needed on the local controller node that executes this lookup.
- lmdb (python library https://lmdb.readthedocs.io/en/release/)
 
Parameters
| Parameter | Choices/Defaults | Configuration | Comments | 
|---|---|---|---|
| _terms
        
        string
         | 
      
        
        list of keys to query
         | 
     ||
| db
        
        string
         | 
      Default: 
        "ansible.mdb"
         | 
      
        
        path to LMDB database
         | 
     
Examples
- name: query LMDB for a list of country codes
  ansible.builtin.debug:
    msg: "{{ query('community.general.lmdb_kv', 'nl', 'be', 'lu', db='jp.mdb') }}"
- name: use list of values in a loop by key wildcard
  ansible.builtin.debug:
    msg: "Hello from {{ item.0 }} a.k.a. {{ item.1 }}"
  vars:
    - lmdb_kv_db: jp.mdb
  with_community.general.lmdb_kv:
     - "n*"
- name: get an item by key
  ansible.builtin.assert:
    that:
      - item == 'Belgium'
    vars:
      - lmdb_kv_db: jp.mdb
    with_community.general.lmdb_kv:
      - be
  Return Values
Common return values are documented here, the following are the fields unique to this lookup:
| Key | Returned | Description | 
|---|---|---|
| _raw
        
        list / elements=any
         | 
      success | 
        
        value(s) stored in LMDB
          | 
     
Authors
- Jan-Piet Mens (@jpmens)
 
© 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/lmdb_kv_lookup.html