---
# tasks file for apigee-opdk-setup-bootstrap-rollback
- name: Gracefully Stop apigee components, if possible
  ignore_errors: yes
  shell: '{{ apigee_all }} stop'
  when: apigee_all is defined and apigee_all | trim | length > 0

- name: Apigee uninstall
  ignore_errors: yes
  shell: "/opt/apigee/apigee-service/bin/apigee-service apigee-service uninstall"
  when: apigee_service is defined and apigee_service | trim | length > 0

- name: Remove apigee, edge, baas and qpid packages
  become: yes
  ignore_errors: yes
  yum:
    name: '{{ item }}'
    state: absent
  with_items: "{{ apigee_packages}}"
  environment:
    http_proxy: "{{ http_proxy }}"
    https_proxy: "{{ https_proxy }}"

- name: Set target bootstrap script name for 4.16.01
  set_fact:
    bootstrap_script: '{{ opdk_installer_path }}/bootstrap.sh'
  when: opdk_version | version_compare('4.16.01', '==')

- name: Set target bootstrap script name for version > 4.16.01
  set_fact:
    bootstrap_script: '{{ opdk_installer_path }}/bootstrap_{{ opdk_version }}.sh'
  when: opdk_version | version_compare('4.16.01', '>')

- name: Find files to remove
  find:
    path: '{{ item.dir }}'
    pattern: '{{ item.pattern }}'
    file_type: file
    recurse: yes
  with_items:
  - { dir: "/opt/nginx/", pattern: "conf.d" }
  - { dir: "/etc/yum/vars/", pattern: "apigee*" }
  - { dir: "/tmp/", pattern: "edge" }
  register: remove

- name: Clear all artifacts from YUM repo
  become: yes
  shell: 'yum clean all'

- name: Remove files
  file:
    path: '{{ item.1.path }}'
    state: absent
    follow: yes
  with_subelements:
  - "{{ remove.results }}"
  - files

- block:
  - name: Find apigee & edge folders to remove on rollback
    find:
      path: '{{ item.dir }}'
      pattern: '{{ item.pattern }}'
      recurse: yes
      file_type: '{{ item.file_type }}'
    register: apigee_folders
    with_items:
    - { dir: "{{ apigee_home }}", pattern: "apigee*", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "edge*", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "edge*", file_type: "directory" }
    - { dir: "{{ opdk_installer_path }}", pattern: "*.log", file_type: "file" }
    - { dir: "{{ opdk_installer_path }}", pattern: "bootstrap*", file_type: "file" }
    - { dir: "/opt", pattern: "nginx", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "data", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "etc", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "token", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "var/lock", file_type: "directory" }
    - { dir: "{{ apigee_home }}", pattern: "var/run", file_type: "directory" }

  - name: Remove files
    file:
      path: '{{ item.1.path }}'
      state: absent
      follow: yes
    with_subelements:
    - "{{ apigee_folders.results }}"
    - files

  - name: Determine current user
    shell: whoami
    register: whoami

  - name: Determine if safe to kill user owned process
    set_fact:
      kill_user: '{{ whoami.stdout != opdk_user_name }}'

  - name: Release any apigee user owned processes
    ignore_errors: yes
    become: yes
    shell: 'pkill -u {{ opdk_user_name }}'
    when: kill_user
    async: 45
    poll: 0

  when: remove_apigee is defined and remove_apigee

- name: Remove logs
  file:
    path: '{{ apigee_home }}/var/log/'
    state: absent
  when: clear_logs is defined and clear_logs | bool == True

- name: Remove on rollback
  shell: "rm -rf {{ item }}"
  with_items: "{{ remove_on_rollback }}"
  when: remove_on_rollback is defined