diff --git a/docsite/rst/playbooks_loops.rst b/docsite/rst/playbooks_loops.rst index 66ba66dbc7..3917228229 100644 --- a/docsite/rst/playbooks_loops.rst +++ b/docsite/rst/playbooks_loops.rst @@ -64,6 +64,31 @@ As with the case of 'with_items' above, you can use previously defined variables - users - [ 'clientdb', 'employeedb', 'providerdb' ] +.. _looping_over_hashes: + +Looping over Hashes +``````````````````` + +.. versionadded:: 1.5 + +Suppose you have the following variable:: + + --- + users: + alice: + name: Alice Appleworth + telephone: 123-456-7890 + bob: + name: Bob Bananarama + telephone: 987-654-3210 + +And you want to print every user's name and phone number. You can loop through the elements of a hash using ``with_dict`` like this:: + + tasks: + - name: Print phone records + debug: msg="User {{ item.key }} is {{ item.value.name }} ({{ item.value.telephone }})" + with_dict: users + .. _looping_over_fileglobs: Looping over Fileglobs diff --git a/lib/ansible/runner/lookup_plugins/dict.py b/lib/ansible/runner/lookup_plugins/dict.py new file mode 100644 index 0000000000..b2d8ad14dc --- /dev/null +++ b/lib/ansible/runner/lookup_plugins/dict.py @@ -0,0 +1,39 @@ +# (c) 2014, Kent R. Spillner +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see . + +from ansible.utils import safe_eval +import ansible.utils as utils +import ansible.errors as errors + +def flatten(terms): + ret = [] + for key in terms: + ret.append({'key': key, 'value': terms[key]}) + return ret + +class LookupModule(object): + + def __init__(self, basedir=None, **kwargs): + self.basedir = basedir + + def run(self, terms, inject=None, **kwargs): + terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject) + + if not isinstance(terms, dict): + raise errors.AnsibleError("with_dict expects a dict") + + return flatten(terms)