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Indexed items lookup plugin #3685

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Aug 3, 2013
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44 changes: 44 additions & 0 deletions lib/ansible/runner/lookup_plugins/indexed_items.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# 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 <http://www.gnu.org/licenses/>.

from ansible.utils import safe_eval
import ansible.utils as utils
import ansible.errors as errors

def flatten(terms):
ret = []
for term in terms:
if isinstance(term, list):
ret.extend(term)
else:
ret.append(term)
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, list):
raise errors.AnsibleError("with_indexed_items expects a list")

items = flatten(terms)
return zip(range(len(items)), items)

25 changes: 25 additions & 0 deletions test/lookup_plugins.yml
Original file line number Diff line number Diff line change
Expand Up @@ -77,3 +77,28 @@
- name: cleanup test file, again
action: file path=/tmp/ansible-test-with_password state=absent

# indexed_items lookup plugin
- name: create directory for indexed_items
file: path=/tmp/ansible-test-with_indexed_items-data state=directory
- name: test indexed_items
shell: echo "{{ item.0 }}" > /tmp/ansible-test-with_indexed_items-data/{{ item.1 }}
with_indexed_items:
- a
- b
- c
- name: check indexed_items content
shell: test -f /tmp/ansible-test-with_indexed_items-data/{{ item.1 }} &&
test "{{ item.0 }}" = "$(cat /tmp/ansible-test-with_indexed_items-data/{{ item.1 }})"
with_indexed_items:
- a
- b
- c
- name: cleanup indexed_items test
file: path=/tmp/ansible-test-with_indexed_items-data/{{ item.1 }} state=absent
with_indexed_items:
- a
- b
- c
- name: remove with_indexed_items directory
file: path=/tmp/ansible-test-with_indexed_items-data state=absent