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community.general.lmdb_kv – fetch data from LMDB

Note

This plugin is part of the community.general collection (version 3.8.3).

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	Comments
_terms string	list of keys to query
db string	path to LMDB database Default: “ansible.mdb”

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	Description
_raw list / elements=any	value(s) stored in LMDB Returned: success

Authors

• Jan-Piet Mens (@jpmens)