ansible/test/integration/targets/blockinfile/tasks/main.yml

# Test code for the blockinfile module.
# (c) 2017, James Tanner <tanner.jc@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/>.

- set_fact:
    output_dir_test: "{{ output_dir }}/test_blockinfile"

- name: make sure our testing sub-directory does not exist
  file:
    path: "{{ output_dir_test }}"
    state: absent

- name: create our testing sub-directory
  file:
    path: "{{ output_dir_test }}"
    state: directory

##
## blockinfile
##

- name: copy the sshd_config to the test dir
  copy:
    src: sshd_config
    dest: "{{ output_dir_test }}"

- name: insert/update "Match User" configuration block in sshd_config
  blockinfile:
    path: "{{ output_dir_test }}/sshd_config"
    block: |
      Match User ansible-agent
      PasswordAuthentication no      
  register: blockinfile_test0

- name: check content
  shell: 'grep -c -e "Match User ansible-agent" -e "PasswordAuthentication no" {{ output_dir_test }}/sshd_config'
  register: blockinfile_test0_grep

- debug:
    var: blockinfile_test0
    verbosity: 1

- debug:
    var: blockinfile_test0_grep
    verbosity: 1

- name: validate first example results
  assert:
    that:
      - 'blockinfile_test0.changed is defined'
      - 'blockinfile_test0.msg is defined'
      - 'blockinfile_test0.changed'
      - 'blockinfile_test0.msg == "Block inserted"'
      - 'blockinfile_test0_grep.stdout == "2"'

- name: check idemptotence
  blockinfile:
    path: "{{ output_dir_test }}/sshd_config"
    block: |
      Match User ansible-agent
      PasswordAuthentication no      
  register: blockinfile_test1

- name: validate idempotence results
  assert:
    that:
      - 'not blockinfile_test1.changed'

- name: Create a file with blockinfile
  blockinfile:
    path: "{{ output_dir_test }}/empty.txt"
    block: |
      Hey
      there      
    state: present
    create: yes
  register: empty_test_1

- name: Run a task that results in an empty file
  blockinfile:
    path: "{{ output_dir_test }}/empty.txt"
    block: |
      Hey
      there      
    state: absent
    create: yes
  register: empty_test_2

- stat:
    path: "{{ output_dir_test }}/empty.txt"
  register: empty_test_stat

- name: Ensure empty file was created
  assert:
    that:
      - empty_test_1 is changed
      - "'File created' in empty_test_1.msg"
      - empty_test_2 is changed
      - "'Block removed' in empty_test_2.msg"
      - empty_test_stat.stat.size == 0

- name: create line_endings_test.txt in the test dir
  copy:
    dest: "{{ output_dir_test }}/line_endings_test.txt"
    # generating the content like this instead of copying a fixture file
    # prevents sanity checks from warning about mixed line endings
    content: "unix\nunix\nunix\n\ndos\r\ndos\r\ndos\r\n\nunix\nunix\n# BEGIN ANSIBLE MANAGED BLOCK\ndos\r\n# END ANSIBLE MANAGED BLOCK\nunix\nunix\nunix\nunix\n"

- name: insert/update "dos" configuration block in line_endings_test.txt
  blockinfile:
    path: "{{ output_dir_test }}/line_endings_test.txt"
    block: "dos\r\ndos\r\ndos\r\n"
  register: blockinfile_test2

- name: check content
  # using the more precise `grep -Pc "^dos\\r$" ...` fails on BSD/macOS
  shell: 'grep -c "^dos.$" {{ output_dir_test }}/line_endings_test.txt'
  register: blockinfile_test2_grep

- name: validate line_endings_test.txt results
  assert:
    that:
      - 'blockinfile_test2 is changed'
      - 'blockinfile_test2.msg == "Block inserted"'
      - 'blockinfile_test2_grep.stdout == "6"'


- name: Add block without trailing line separator
  blockinfile:
    path: "{{ output_dir_test }}/chomped_block_test.txt"
    create: yes
    content: |-
      one
      two
      three      
  register: chomptest1

- name: Add block without trailing line separator again
  blockinfile:
    path: "{{ output_dir_test }}/chomped_block_test.txt"
    content: |-
      one
      two
      three      
  register: chomptest2

- name: Check output file
  stat:
    path: "{{ output_dir_test }}/chomped_block_test.txt"
  register: chomptest_file

- name: Ensure chomptest results are correct
  assert:
    that:
      - chomptest1 is changed
      - chomptest2 is not changed
      - chomptest_file.stat.checksum == '50d49f528a5f7147c7029ed6220c326b1ee2c4ae'