mongodb_parameter module integration tests (#61644)

* Add final commits

* End of day check in

* Initial commit

* Remove file

* Remove module from pr

* Run tests

test/integration/targets/mongodb_parameter/aliases

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+destructive
+shippable/posix/group1
+skip/osx
+skip/freebsd
+skip/rhel
+needs/root

test/integration/targets/mongodb_parameter/defaults/main.yml

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+---
+# defaults file for test_mongodb_user
+mongodb_admin_user: test_root
+mongodb_admin_password: saE_Rr9!gE6gh#e~R#nZ
+mongod_auth: false
+kill_signal: SIGTERM
+# Should be one of
+# --storageEngine wiredTiger --wiredTigerEngineConfigString="cache_size=200M"
+# --storageEngine mmapv1 --nojournal
+mongod_storage_engine_opts: "--storageEngine wiredTiger --wiredTigerEngineConfigString='cache_size=200M'"
+mongodb_user: mongodb
+mongodb_user_list:
+  - { "name": "user1", "password": "password1", "roles": "read", "database": "test" }
+  - { "name": "user2", "password": "password2", "roles": "readWrite", "database": "test" }
+  - { "name": "user3", "password": "password3", "roles": "dbAdmin", "database": "test" }
+  - { "name": "user4", "password": "password4", "roles": "userAdmin", "database": "test" }
+  - { "name": "user5", "password": "password5", "roles": "clusterAdmin", "database": "admin" }
+  - { "name": "user6", "password": "password6", "roles": "readAnyDatabase", "database": "admin" }
+  - { "name": "user7", "password": "password7", "roles": "readWriteAnyDatabase", "database": "admin" }
+  - { "name": "user8", "password": "password8", "roles": "userAdminAnyDatabase", "database": "admin" }
+  - { "name": "user9", "password": "password9", "roles": "dbAdminAnyDatabase", "database": "admin" }

test/integration/targets/mongodb_parameter/meta/main.yml

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+dependencies:
+  - setup_mongodb
+  - setup_remote_tmp_dir

test/integration/targets/mongodb_parameter/tasks/main.yml

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+# test code for the mongodb_parameter module
+# (c) 2019,  Rhys Campbell <rhys.james.campbell@googlemail.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 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: Ensure tests home exists
+  file:
+    path: "{{ remote_tmp_dir }}/tests"
+    state: directory
+
+- include_tasks: mongod_teardown.yml
+
+- include_tasks: mongod_singlenode.yml
+
+- name: Set syncdelay to 99
+  mongodb_parameter:
+    login_port: 3001
+    param: syncdelay
+    value: 99
+    param_type: int
+  register: sd_change
+
+- assert:
+    that:
+      - sd_change.before | int == 60
+      - sd_change.after | int == 99
+      - sd_change.changed == True
+
+- name: Set syncdelay to 99 (again)
+  mongodb_parameter:
+    login_port: 3001
+    param: syncdelay
+    value: 99
+    param_type: int
+  register: sd_change
+
+- assert:
+    that:
+      - sd_change.before | int == 99
+      - sd_change.after | int == 99
+      - sd_change.changed == False
+
+- name: Create admin user with module
+  mongodb_user:
+    login_port: 3001
+    database: admin
+    name: "{{ mongodb_admin_user }}"
+    password: "{{ mongodb_admin_password }}"
+    roles: root
+    state: present
+  register: mongodb_admin_user_created
+
+- assert:
+    that:
+      - mongodb_admin_user_created.changed == True
+
+- name: Kill all mongod processes
+  command: pkill  -{{ kill_signal }} mongod
+  ignore_errors: true
+
+- name: Getting pids for mongod
+  pids:
+    name: mongod
+  register: pids_of_mongod
+
+- name: Wait for all mongod processes to exit
+  wait_for:
+    path: "/proc/{{ item }}/status"
+    state: absent
+    delay: 3
+  with_items: "{{ pids_of_mongod }}"
+
+- set_fact:
+    mongod_auth: true
+
+- include_tasks: mongod_singlenode.yml
+# Tests with auth enabled
+
+- name: Set syncdelay to 59 with auth
+  mongodb_parameter:
+    login_port: 3001
+    login_user: "{{ mongodb_admin_user }}"
+    login_password: "{{ mongodb_admin_password }}"
+    param: syncdelay
+    value: 59
+    param_type: int
+  register: sd_change
+
+- assert:
+    that:
+      - sd_change.before | int == 60
+      - sd_change.after | int == 59
+      - sd_change.changed == True
+
+- name: Set syncdelay to 59 (again) with auth
+  mongodb_parameter:
+    login_port: 3001
+    login_user: "{{ mongodb_admin_user }}"
+    login_password: "{{ mongodb_admin_password }}"
+    param: syncdelay
+    value: 59
+    param_type: int
+  register: sd_change
+
+- assert:
+    that:
+      - sd_change.before | int == 59
+      - sd_change.after | int == 59
+      - sd_change.changed == False
+
+- name: Set authenticationMechanisms to MONGODB-X509 with auth (will fail) 
+  mongodb_parameter:
+    login_port: 3001
+    login_user: "{{ mongodb_admin_user }}"
+    login_password: "{{ mongodb_admin_password }}"
+    param: authenticationMechanisms
+    value: "MONGODB-X509"
+    param_type: str
+  register: diag_change
+  ignore_errors: yes
+
+- assert:
+    that:
+       - '"unable to change parameter" in diag_change.msg'
+       - diag_change.failed == True
+
+# Clean up
+- include_tasks: mongod_teardown.yml

test/integration/targets/mongodb_parameter/tasks/mongod_singlenode.yml

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+- name: Set mongodb_user user for redhat
+  set_fact:
+    mongodb_user: "mongod"
+  when: ansible_os_family == "RedHat"
+
+- set_fact:
+    mongodb_nodes:
+      - 3001
+
+- name: Create directories for mongod processes
+  file:
+    path: "{{ remote_tmp_dir }}/mongod{{ item }}"
+    state: directory
+    owner: "{{ mongodb_user }}"
+    group: "{{ mongodb_user }}"
+    mode: 0755
+    recurse: yes
+  with_items: "{{ mongodb_nodes }}"
+
+- name: Ensure {{ remote_tmp_dir }}/config dir exists
+  file:
+    path: "{{ remote_tmp_dir }}/config"
+    state: directory
+    owner: "{{ mongodb_user }}"
+    group: "{{ mongodb_user }}"
+    mode: 0755
+
+- name: Create keyfile
+  copy:
+    dest: "{{ remote_tmp_dir }}/my.key"
+    content: |
+      fd2CUrbXBJpB4rt74A6F
+    owner: "{{ mongodb_user }}"
+    group: "{{ mongodb_user }}"
+    mode: 0600
+  when: mongod_auth == True
+
+- name: Spawn mongod process without auth
+  command: mongod --shardsvr --smallfiles {{ mongod_storage_engine_opts }} --dbpath mongod{{ item }} --port {{ item }} --logpath mongod{{ item }}/log.log --fork
+  args:
+    chdir: "{{ remote_tmp_dir }}"
+  with_items: "{{ mongodb_nodes | sort }}"
+  when: mongod_auth == False
+
+- name: Spawn mongod process with auth
+  command: mongod --shardsvr --smallfiles {{ mongod_storage_engine_opts }} --dbpath mongod{{ item }} --port {{ item }}  --logpath mongod{{ item }}/log.log --fork --auth --keyFile my.key
+  args:
+    chdir: "{{ remote_tmp_dir }}"
+  with_items: "{{ mongodb_nodes | sort }}"
+  when: mongod_auth == True
+
+- name: Wait for mongod to start responding
+  wait_for:
+    port: "{{ item }}"
+  with_items: "{{ mongodb_nodes }}"

test/integration/targets/mongodb_parameter/tasks/mongod_teardown.yml

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+- name: Kill all mongod processes
+  command: pkill  -{{ kill_signal }} mongod
+  ignore_errors: true
+
+- name: Getting pids for mongod
+  pids:
+      name: mongod
+  register: pids_of_mongod
+
+- name: Wait for all mongod processes to exit
+  wait_for:
+    path: "/proc/{{ item }}/status"
+    state: absent
+    delay: 1
+  with_items: "{{ pids_of_mongod }}"
+
+- name: Remove all mongod folders
+  file:
+    path: "{{ remote_tmp_dir }}/{{ item }}"
+    state: absent
+  with_items:
+    - mongod3001
+
+- name: Remove all mongod sock files
+  shell: rm -Rf /tmp/mongodb*.sock