Template module does not know tojson filter

[pdesgarets]

ISSUE TYPE

• Bug Report

COMPONENT NAME

Ansible template module

ANSIBLE VERSION

ansible-playbook 2.3.1.0
  config file =
  configured module search path = Default w/o overrides
  python version = 2.7.13 (default, Dec 18 2016, 07:03:39) [GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)]

(does not happen with ansible 2.3.0.0)

CONFIGURATION

Default config.

OS / ENVIRONMENT

macOS 10.12.4

SUMMARY

Filter tojson does not seem to work. When using it with template module

STEPS TO REPRODUCE

---
- hosts: localhost
  tasks:
  - template:
      src: /tmp/template.test
      dest: /tmp/output

with /tmp/template.test as following :

{{ true|tojson }}

EXPECTED RESULTS

/tmp/output is created containing true

ACTUAL RESULTS

An error occurs :

Using module file /usr/local/Cellar/ansible/2.3.1.0/libexec/lib/python2.7/site-packages/ansible/modules/files/stat.py
<127.0.0.1> ESTABLISH LOCAL CONNECTION FOR USER: admin
<127.0.0.1> EXEC /bin/sh -c 'echo ~ && sleep 0'
<127.0.0.1> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo /Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909 `" && echo ansible-tmp-1496744303.52-214315117579909="` echo /Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909 `" ) && sleep 0'
<127.0.0.1> PUT /var/folders/gr/2wwtn6x534qb6s2g11tgxv140000gn/T/tmp_DbcuK TO /Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909/stat.py
<127.0.0.1> EXEC /bin/sh -c 'chmod u+x /Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909/ /Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909/stat.py && sleep 0'
<127.0.0.1> EXEC /bin/sh -c '/usr/local/Cellar/ansible/2.3.1.0/libexec/bin/python2.7 /Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909/stat.py; rm -rf "/Users/admin/.ansible/tmp/ansible-tmp-1496744303.52-214315117579909/" > /dev/null 2>&1 && sleep 0'
fatal: [localhost]: FAILED! => {
    "changed": false,
    "failed": true,
    "msg": "AnsibleError: template error while templating string: no filter named 'tojson'. String: {{ True|tojson }}\n"
}

[sivel]

The tojson filter provided by upstream jinja2 Is part of the jinja2 version 2.9 release.

However ansible also ships with a filter to do this, which is named to_json and to_nice_json

If you have further questions please stop by IRC or the mailing list:

• IRC: #ansible on irc.freenode.net
• mailing list: https://groups.google.com/forum/#!forum/ansible-project