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77 lines
2.1 KiB
Python
77 lines
2.1 KiB
Python
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# (c) 2014, Kent R. Spillner <kspillner@acm.org>
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# (c) 2017 Ansible Project
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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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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = """
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lookup: dict
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version_added: "1.5"
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short_description: returns key/value pair items from dictionaries
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description:
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- Takes dictionaries as input and returns a list with each item in the list being a dictionary with 'key' and 'value' as
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keys to the previous dictionary's structure.
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options:
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_terms:
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description:
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- A list of dictionaries
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required: True
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"""
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EXAMPLES = """
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vars:
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users:
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alice:
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name: Alice Appleworth
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telephone: 123-456-7890
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bob:
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name: Bob Bananarama
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telephone: 987-654-3210
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tasks:
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# with predefined vars
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- name: Print phone records
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debug:
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msg: "User {{ item.key }} is {{ item.value.name }} ({{ item.value.telephone }})"
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loop: "{{ lookup('dict', users) }}"
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# with inline dictionary
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- name: show dictionary
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debug:
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msg: "{{item.key}}: {{item.value}}"
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with_dict: {a: 1, b: 2, c: 3}
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# Items from loop can be used in when: statements
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- name: set_fact when alice in key
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set_fact:
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alice_exists: true
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loop: "{{ lookup('dict', users) }}"
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when: "'alice' in item.key"
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"""
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RETURN = """
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_list:
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description:
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- list of composed dictonaries with key and value
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type: list
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"""
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import collections
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from ansible.errors import AnsibleError
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from ansible.plugins.lookup import LookupBase
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class LookupModule(LookupBase):
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def run(self, terms, variables=None, **kwargs):
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# FIXME: can remove once with_ special case is removed
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if not isinstance(terms, list):
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terms = [terms]
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results = []
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for term in terms:
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# Expect any type of Mapping, notably hostvars
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if not isinstance(term, collections.Mapping):
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raise AnsibleError("with_dict expects a dict")
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results.extend(self._flatten_hash_to_list(term))
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return results
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