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teardown-app.yml
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---
- name: Teardown Postgres 10
hosts: database_servers
become: true
gather_facts: false
vars:
postgres_rhel7_repo: pgdg-redhat-repo-42.0-11.noarch
postgres_packages:
- postgresql10
- postgresql10-server
- postgresql10-contrib
- postgresql10-libs
postgres_library: "python-psycopg2"
postgres_10_data_dir: /var/lib/pgsql/10/data
postgres_port: 5432
tasks:
- name: Remove Postgres packages
package:
name: "{{ __package }}"
state: absent
loop:
- "{{ postgres_rhel7_repo }}"
- "{{ postgres_library }}"
- "{{ postgres_packages }}"
loop_control:
loop_var: __package
- name: Remove Postgres 10 data directory
file:
path: /var/lib/pgsql/10
state: absent
- name: Remove Postgres user
user:
name: postgres
state: absent
- name: Teardown app_servers flask configuration
hosts: app_servers
become: true
gather_facts: false
tags:
- application_servers
vars:
flask_app_name: resource_hub
flask_user: flask
flask_home: /opt/
flask_repo: https://github.com/tonykay/resource_hub.git
flask_scm_ref: main
flask_app_lauch_script: /usr/local/bin/launch_resource_hub
virtualenv_name: "venv-{{ flask_app_name }}"
virtualenv_home: /opt/virtual_envs
virtualenv_python: /usr/bin/python3
app_yum_packages:
- autoconf
- automake
- git
- gcc
- libtool
- python3
- python3-devel
- python3-pip
pip_dependencies: []
# - virtualenv
# - pip
# - psycopg2-binary
tasks:
- name: Clean up service when it exists
block:
- name: Check if systemd flask app service file exists
stat:
path: "/etc/systemd/system/{{ flask_app_name }}.service"
register: r_flask_service
- when: r_flask_service.stat.exists
name: Systemd configuration needs stopped and removed
block:
- name: Stop systemd flask app service
service:
name: "{{ flask_app_name }}.service"
state: stopped
enabled: no
# ignore_errors: yes
- name: Remove systemd flask app service file
file:
path: "{{ __path }}"
state: absent
loop:
- "/etc/systemd/system/{{ flask_app_name }}.service"
- /usr/local/bin/launch_resource_hub
loop_control:
loop_var: __path
- name: Remove pre-requisite pip3 packages
pip:
name: "{{ pip_dependencies }}"
state: absent
executable: /usr/bin/pip
# ignore_errors: yes
- name: Remove flask user
user:
name: "{{ flask_user }}"
state: absent
- name: Remove app yum packages
package:
name: "{{ __package }}"
state: absent
loop: "{{ app_yum_packages }}"
loop_control:
loop_var: __package
- name: Remove flask repo and virtualenv
file:
path: "{{ __path }}"
state: absent
loop:
- "{{ flask_home }}/{{ flask_app_name }}"
- "{{ virtualenv_home }}/{{ flask_app_name }}"
loop_control:
loop_var: __path
- name: Teardown haproxy load balancer
hosts: load_balancers
gather_facts: false
become: true
vars:
load_balancer_packages:
- haproxy
tags:
- load_balancers
tasks:
- name: Remove load balancer packages
package:
name: "{{ load_balancer_packages }}"
state: absent
# - name: configure haproxy
# file:
# path: /etc/haproxy/haproxy.cfg
# state: absent
- name: Teardown app_servers flask configuration
hosts: app_servers
become: true
gather_facts: false
tags:
- application_servers
vars:
flask_app_name: resource_hub
flask_user: flask
flask_home: /opt/
flask_repo: https://github.com/tonykay/resource_hub.git
flask_scm_ref: main
flask_app_lauch_script: /usr/local/bin/launch_resource_hub
virtualenv_name: "venv-{{ flask_app_name }}"
virtualenv_home: /opt/virtual_envs
virtualenv_python: /usr/bin/python3
app_yum_packages:
- autoconf
- automake
- git
- gcc
- libtool
- python3
- python3-devel
- python3-pip
pip_dependencies: []
# - virtualenv
# - pip
# - psycopg2-binary
tasks:
- name: Clean up service when it exists
block:
- name: Check if systemd flask app service file exists
stat:
path: "/etc/systemd/system/{{ flask_app_name }}.service"
register: r_flask_service
- when: r_flask_service.stat.exists
name: Systemd configuration needs stopped and removed
block:
- name: Stop systemd flask app service
service:
name: "{{ flask_app_name }}.service"
state: stopped
enabled: no
# ignore_errors: yes
- name: Remove systemd flask app service file
file:
path: "{{ __path }}"
state: absent
loop:
- "/etc/systemd/system/{{ flask_app_name }}.service"
- /usr/local/bin/launch_resource_hub
loop_control:
loop_var: __path
- name: Remove pre-requisite pip3 packages
pip:
name: "{{ pip_dependencies }}"
state: absent
executable: /usr/bin/pip
# ignore_errors: yes
- name: Remove flask user
user:
name: "{{ flask_user }}"
state: absent
- name: Remove app yum packages
package:
name: "{{ __package }}"
state: absent
loop: "{{ app_yum_packages }}"
loop_control:
loop_var: __package
- name: Remove flask repo and virtualenv
file:
path: "{{ __path }}"
state: absent
loop:
- "{{ flask_home }}/{{ flask_app_name }}"
- "{{ virtualenv_home }}/{{ flask_app_name }}"
loop_control:
loop_var: __path