# test code for the template module
# (c) 2014, 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/>.

- name: show python interpreter
  debug:
     msg: "{{ ansible_python['executable'] }}"

- name: show jinja2 version
  debug:
     msg: "{{ lookup('pipe', '{{ ansible_python[\"executable\"] }} -c \"import jinja2; print(jinja2.__version__)\"') }}"

- name: get default group
  shell: id -gn
  register: group

- name: fill in a basic template
  template: src=foo.j2 dest={{output_dir}}/foo.templated mode=0644
  register: template_result

- assert:
    that:
        - "'changed' in template_result"
        - "'dest' in template_result"
        - "'group' in template_result"
        - "'gid' in template_result"
        - "'md5sum' in template_result"
        - "'checksum' in template_result"
        - "'owner' in template_result"
        - "'size' in template_result"
        - "'src' in template_result"
        - "'state' in template_result"
        - "'uid' in template_result"

- name: verify that the file was marked as changed
  assert:
    that:
      - "template_result.changed == true"

# Basic template with non-ascii names
- name: Check that non-ascii source and dest work
  template:
    src: 'café.j2'
    dest: '{{ output_dir }}/café.txt'
  register: template_results

- name: Check that the resulting file exists
  stat:
    path: '{{ output_dir }}/café.txt'
  register: stat_results

- name: Check that template created the right file
  assert:
    that:
      - 'template_results is changed'
      - 'stat_results.stat["exists"]'

# test for import with context on jinja-2.9 See https://github.com/ansible/ansible/issues/20494
- name: fill in a template using import with context ala issue 20494
  template: src=import_with_context.j2 dest={{output_dir}}/import_with_context.templated mode=0644
  register: template_result

- name: copy known good import_with_context.expected into place
  copy: src=import_with_context.expected dest={{output_dir}}/import_with_context.expected

- name: compare templated file to known good import_with_context
  shell: diff -uw {{output_dir}}/import_with_context.templated {{output_dir}}/import_with_context.expected
  register: diff_result

- name: verify templated import_with_context matches known good
  assert:
    that:
        - 'diff_result.stdout == ""'
        - "diff_result.rc == 0"

# test for nested include https://github.com/ansible/ansible/issues/34886
- name: test if parent variables are defined in nested include
  template: src=for_loop.j2 dest={{output_dir}}/for_loop.templated mode=0644

- name: save templated output
  shell: "cat {{output_dir}}/for_loop.templated"
  register: for_loop_out
- debug: var=for_loop_out
- name: verify variables got templated
  assert:
    that:
        - '"foo" in for_loop_out.stdout'
        - '"bar" in for_loop_out.stdout'
        - '"bam" in for_loop_out.stdout'

# test for 'import as' on jinja-2.9 See https://github.com/ansible/ansible/issues/20494
- name: fill in a template using import as ala fails2 case in issue 20494
  template: src=import_as.j2 dest={{output_dir}}/import_as.templated mode=0644
  register: import_as_template_result

- name: copy known good import_as.expected into place
  copy: src=import_as.expected dest={{output_dir}}/import_as.expected

- name: compare templated file to known good import_as
  shell: diff -uw {{output_dir}}/import_as.templated {{output_dir}}/import_as.expected
  register: import_as_diff_result

- name: verify templated import_as matches known good
  assert:
    that:
        - 'import_as_diff_result.stdout == ""'
        - "import_as_diff_result.rc == 0"

# test for 'import as with context' on jinja-2.9 See https://github.com/ansible/ansible/issues/20494
- name: fill in a template using import as with context ala fails2 case in issue 20494
  template: src=import_as_with_context.j2 dest={{output_dir}}/import_as_with_context.templated mode=0644
  register: import_as_with_context_template_result

- name: copy known good import_as_with_context.expected into place
  copy: src=import_as_with_context.expected dest={{output_dir}}/import_as_with_context.expected

- name: compare templated file to known good import_as_with_context
  shell: diff -uw {{output_dir}}/import_as_with_context.templated {{output_dir}}/import_as_with_context.expected
  register: import_as_with_context_diff_result

- name: verify templated import_as_with_context matches known good
  assert:
    that:
        - 'import_as_with_context_diff_result.stdout == ""'
        - "import_as_with_context_diff_result.rc == 0"

# VERIFY trim_blocks

- name: Render a template with "trim_blocks" set to False
  template:
    src: trim_blocks.j2
    dest: "{{output_dir}}/trim_blocks_false.templated"
    trim_blocks: False
  register: trim_blocks_false_result

- name: Get checksum of known good trim_blocks_false.expected
  stat:
    path: "{{role_path}}/files/trim_blocks_false.expected"
  register: trim_blocks_false_good

- name: Verify templated trim_blocks_false matches known good using checksum
  assert:
    that:
        - "trim_blocks_false_result.checksum == trim_blocks_false_good.stat.checksum"

- name: Render a template with "trim_blocks" set to True
  template:
    src: trim_blocks.j2
    dest: "{{output_dir}}/trim_blocks_true.templated"
    trim_blocks: True
  register: trim_blocks_true_result

- name: Get checksum of known good trim_blocks_true.expected
  stat:
    path: "{{role_path}}/files/trim_blocks_true.expected"
  register: trim_blocks_true_good

- name: Verify templated trim_blocks_true matches known good using checksum
  assert:
    that:
        - "trim_blocks_true_result.checksum == trim_blocks_true_good.stat.checksum"

# VERIFY lstrip_blocks

- name: Check support for lstrip_blocks in Jinja2
  shell: "{{ ansible_python.executable }} -c 'import jinja2; jinja2.defaults.LSTRIP_BLOCKS'"
  register: lstrip_block_support
  ignore_errors: True

- name: Render a template with "lstrip_blocks" set to False
  template:
    src: lstrip_blocks.j2
    dest: "{{output_dir}}/lstrip_blocks_false.templated"
    lstrip_blocks: False
  register: lstrip_blocks_false_result

- name: Get checksum of known good lstrip_blocks_false.expected
  stat:
    path: "{{role_path}}/files/lstrip_blocks_false.expected"
  register: lstrip_blocks_false_good

- name: Verify templated lstrip_blocks_false matches known good using checksum
  assert:
    that:
        - "lstrip_blocks_false_result.checksum == lstrip_blocks_false_good.stat.checksum"

- name: Render a template with "lstrip_blocks" set to True
  template:
    src: lstrip_blocks.j2
    dest: "{{output_dir}}/lstrip_blocks_true.templated"
    lstrip_blocks: True
  register: lstrip_blocks_true_result
  ignore_errors: True

- name: Verify exception is thrown if Jinja2 does not support lstrip_blocks but lstrip_blocks is used
  assert:
    that:
      - "lstrip_blocks_true_result.failed"
      - 'lstrip_blocks_true_result.msg is search(">=2.7")'
  when: "lstrip_block_support is failed"

- name: Get checksum of known good lstrip_blocks_true.expected
  stat:
    path: "{{role_path}}/files/lstrip_blocks_true.expected"
  register: lstrip_blocks_true_good
  when: "lstrip_block_support is successful"

- name: Verify templated lstrip_blocks_true matches known good using checksum
  assert:
    that:
        - "lstrip_blocks_true_result.checksum == lstrip_blocks_true_good.stat.checksum"
  when: "lstrip_block_support is successful"

# VERIFY CONTENTS

- name: check what python version ansible is running on
  command: "{{ ansible_python.executable }} -c 'import distutils.sysconfig ; print(distutils.sysconfig.get_python_version())'"
  register: pyver
  delegate_to: localhost

- name: copy known good into place
  copy: src=foo.txt dest={{output_dir}}/foo.txt

- name: compare templated file to known good
  shell: diff -uw {{output_dir}}/foo.templated {{output_dir}}/foo.txt
  register: diff_result

- name: verify templated file matches known good
  assert:
    that:
        - 'diff_result.stdout == ""'
        - "diff_result.rc == 0"

# VERIFY MODE

- name: set file mode
  file: path={{output_dir}}/foo.templated mode=0644
  register: file_result

- name: ensure file mode did not change
  assert:
    that:
      - "file_result.changed != True"

# VERIFY dest as a directory does not break file attributes
# Note: expanduser is needed to go down the particular codepath that was broken before
- name: setup directory for test
  file: state=directory dest={{output_dir | expanduser}}/template-dir mode=0755 owner=nobody group={{ group.stdout }}

- name: set file mode when the destination is a directory
  template: src=foo.j2 dest={{output_dir | expanduser}}/template-dir/ mode=0600 owner=root group={{ group.stdout }}

- name: set file mode when the destination is a directory
  template: src=foo.j2 dest={{output_dir | expanduser}}/template-dir/ mode=0600 owner=root group={{ group.stdout }}
  register: file_result

- name: check that the file has the correct attributes
  stat: path={{output_dir | expanduser}}/template-dir/foo.j2
  register: file_attrs

- assert:
    that:
      - "file_attrs.stat.uid == 0"
      - "file_attrs.stat.pw_name == 'root'"
      - "file_attrs.stat.mode == '0600'"

- name: check that the containing directory did not change attributes
  stat: path={{output_dir | expanduser}}/template-dir/
  register: dir_attrs

- assert:
    that:
      - "dir_attrs.stat.uid != 0"
      - "dir_attrs.stat.pw_name == 'nobody'"
      - "dir_attrs.stat.mode == '0755'"

- name: Check that template to a directory where the directory does not end with a / is allowed
  template: src=foo.j2 dest={{output_dir | expanduser}}/template-dir mode=0600 owner=root group={{ group.stdout }}

- name: make a symlink to the templated file
  file:
    path: '{{ output_dir }}/foo.symlink'
    src: '{{ output_dir }}/foo.templated'
    state: link

- name: check that templating the symlink results in the file being templated
  template:
    src: foo.j2
    dest: '{{output_dir}}/foo.symlink'
    mode: 0600
    follow: True
  register: template_result

- assert:
    that:
      - "template_result.changed == True"

- name: check that the file has the correct attributes
  stat: path={{output_dir | expanduser}}/template-dir/foo.j2
  register: file_attrs

- assert:
    that:
      - "file_attrs.stat.mode == '0600'"

- name: check that templating the symlink again makes no changes
  template:
    src: foo.j2
    dest: '{{output_dir}}/foo.symlink'
    mode: 0600
    follow: True
  register: template_result

- assert:
    that:
      - "template_result.changed == False"

# Test strange filenames

- name: Create a temp dir for filename tests
  file:
    state: directory
    dest: '{{ output_dir }}/filename-tests'

- name: create a file with an unusual filename
  template:
    src: foo.j2
    dest: "{{ output_dir }}/filename-tests/foo t'e~m\\plated"
  register: template_result

- assert:
    that:
      - "template_result.changed == True"

- name: check that the unusual filename was created
  command: "ls {{ output_dir }}/filename-tests/"
  register: unusual_results

- assert:
    that:
      - "\"foo t'e~m\\plated\" in unusual_results.stdout_lines"
      - "{{unusual_results.stdout_lines| length}} == 1"

- name: check that the unusual filename can be checked for changes
  template:
    src: foo.j2
    dest: "{{ output_dir }}/filename-tests/foo t'e~m\\plated"
  register: template_result

- assert:
    that:
      - "template_result.changed == False"


# check_mode

- name: fill in a basic template in check mode
  template: src=short.j2 dest={{output_dir}}/short.templated
  register: template_result
  check_mode: True

- name: check file exists
  stat: path={{output_dir}}/short.templated
  register: templated

- name: verify that the file was marked as changed in check mode but was not created
  assert:
    that:
      - "not templated.stat.exists"
      - "template_result is changed"

- name: fill in a basic template
  template: src=short.j2 dest={{output_dir}}/short.templated

- name: fill in a basic template in check mode
  template: src=short.j2 dest={{output_dir}}/short.templated
  register: template_result
  check_mode: True

- name: verify that the file was marked as not changes in check mode
  assert:
    that:
      - "template_result is not changed"
      - "'templated_var_loaded' in lookup('file', '{{output_dir | expanduser}}/short.templated')"

- name: change var for the template
  set_fact:
    templated_var: "changed"

- name: fill in a basic template with changed var in check mode
  template: src=short.j2 dest={{output_dir}}/short.templated
  register: template_result
  check_mode: True

- name: verify that the file was marked as changed in check mode but the content was not changed
  assert:
    that:
      - "'templated_var_loaded' in lookup('file', '{{output_dir | expanduser }}/short.templated')"
      - "template_result is changed"

# Create a template using a child template, to ensure that variables
# are passed properly from the parent to subtemplate context (issue #20063)

- name: test parent and subtemplate creation of context
  template: src=parent.j2 dest={{output_dir}}/parent_and_subtemplate.templated
  register: template_result

- stat: path={{output_dir}}/parent_and_subtemplate.templated

- name: verify that the parent and subtemplate creation worked
  assert:
    that:
    - "template_result is changed"

#
# template module can overwrite a file that's been hard linked
# https://github.com/ansible/ansible/issues/10834
#

- name: ensure test dir is absent
  file:
    path: '{{ output_dir | expanduser }}/hlink_dir'
    state: absent

- name: create test dir
  file:
    path: '{{ output_dir | expanduser }}/hlink_dir'
    state: directory

- name: template out test file to system 1
  template:
    src: foo.j2
    dest: '{{ output_dir | expanduser }}/hlink_dir/test_file'

- name: make hard link
  file:
    src: '{{ output_dir | expanduser }}/hlink_dir/test_file'
    dest: '{{ output_dir | expanduser }}/hlink_dir/test_file_hlink'
    state: hard

- name: template out test file to system 2
  template:
    src: foo.j2
    dest: '{{ output_dir | expanduser }}/hlink_dir/test_file'
  register: hlink_result

- name: check that the files are still hardlinked
  stat:
    path: '{{ output_dir | expanduser }}/hlink_dir/test_file'
  register: orig_file

- name: check that the files are still hardlinked
  stat:
    path: '{{ output_dir | expanduser }}/hlink_dir/test_file_hlink'
  register: hlink_file

# We've done nothing at this point to update the content of the file so it should still be hardlinked
- assert:
    that:
      - "hlink_result.changed == False"
      - "orig_file.stat.inode == hlink_file.stat.inode"

- name: change var for the template
  set_fact:
    templated_var: "templated_var_loaded"

# UNIX TEMPLATE
- name: fill in a basic template (Unix)
  template:
    src: foo2.j2
    dest: '{{ output_dir }}/foo.unix.templated'
  register: template_result

- name: verify that the file was marked as changed (Unix)
  assert:
    that:
      - 'template_result is changed'

- name: fill in a basic template again (Unix)
  template:
    src: foo2.j2
    dest: '{{ output_dir }}/foo.unix.templated'
  register: template_result2

- name: verify that the template was not changed (Unix)
  assert:
    that:
      - 'template_result2 is not changed'

# VERIFY UNIX CONTENTS
- name: copy known good into place (Unix)
  copy:
    src: foo.unix.txt
    dest: '{{ output_dir }}/foo.unix.txt'

- name: Dump templated file (Unix)
  command: hexdump -C {{ output_dir }}/foo.unix.templated

- name: Dump expected file (Unix)
  command: hexdump -C {{ output_dir }}/foo.unix.txt

- name: compare templated file to known good (Unix)
  command: diff -u {{ output_dir }}/foo.unix.templated {{ output_dir }}/foo.unix.txt
  register: diff_result

- name: verify templated file matches known good (Unix)
  assert:
    that:
        - 'diff_result.stdout == ""'
        - "diff_result.rc == 0"

# DOS TEMPLATE
- name: fill in a basic template (DOS)
  template:
    src: foo2.j2
    dest: '{{ output_dir }}/foo.dos.templated'
    newline_sequence: '\r\n'
  register: template_result

- name: verify that the file was marked as changed (DOS)
  assert:
    that:
      - 'template_result is changed'

- name: fill in a basic template again (DOS)
  template:
    src: foo2.j2
    dest: '{{ output_dir }}/foo.dos.templated'
    newline_sequence: '\r\n'
  register: template_result2

- name: verify that the template was not changed (DOS)
  assert:
    that:
      - 'template_result2 is not changed'

# VERIFY DOS CONTENTS
- name: copy known good into place (DOS)
  copy:
    src: foo.dos.txt
    dest: '{{ output_dir }}/foo.dos.txt'

- name: Dump templated file (DOS)
  command: hexdump -C {{ output_dir }}/foo.dos.templated

- name: Dump expected file (DOS)
  command: hexdump -C {{ output_dir }}/foo.dos.txt

- name: compare templated file to known good (DOS)
  command: diff -u {{ output_dir }}/foo.dos.templated {{ output_dir }}/foo.dos.txt
  register: diff_result

- name: verify templated file matches known good (DOS)
  assert:
    that:
        - 'diff_result.stdout == ""'
        - "diff_result.rc == 0"

# VERIFY DOS CONTENTS
- name: copy known good into place (Unix)
  copy:
    src: foo.unix.txt
    dest: '{{ output_dir }}/foo.unix.txt'

- name: Dump templated file (Unix)
  command: hexdump -C {{ output_dir }}/foo.unix.templated

- name: Dump expected file (Unix)
  command: hexdump -C {{ output_dir }}/foo.unix.txt

- name: compare templated file to known good (Unix)
  command: diff -u {{ output_dir }}/foo.unix.templated {{ output_dir }}/foo.unix.txt
  register: diff_result

- name: verify templated file matches known good (Unix)
  assert:
    that:
        - 'diff_result.stdout == ""'
        - "diff_result.rc == 0"

# Check that mode=preserve works with template
- name: Create a template which has strange permissions
  copy:
    content: !unsafe '{{ ansible_managed }}\n'
    dest: '{{ output_dir }}/foo-template.j2'
    mode: 0547
  delegate_to: localhost

- name: Use template with mode=preserve
  template:
    src: '{{ output_dir }}/foo-template.j2'
    dest: '{{ output_dir }}/foo-templated.txt'
    mode: 'preserve'
  register: template_results

- name: Get permissions from the templated file
  stat:
    path: '{{ output_dir }}/foo-templated.txt'
  register: stat_results

- name: Check that the resulting file has the correct permissions
  assert:
    that:
      - 'template_results is changed'
      - 'template_results.mode == "0547"'
      - 'stat_results.stat["mode"] == "0547"'

# aliases file requires root for template tests so this should be safe
- include: backup_test.yml
