feat: add rollback scripts

Author: raisedadead

ansible/play-oldeworld--clients-list-releases.yml

@@ -0,0 +1,9 @@
+---
+- name: List available releases
+  hosts: "{{ variable_host | default('null') }}"
+  serial: '{{ variable_serial | default(1) }}'
+  gather_facts: false
+  tasks:
+    - name: List client releases
+      ansible.builtin.include_tasks:
+        file: tasks/list-client-releases.yml

ansible/play-oldeworld--clients-rollback.yml

@@ -0,0 +1,52 @@
+---
+- name: Rollback
+  hosts: "{{ variable_host | default('null') }}"
+  serial: '{{ variable_serial | default(1) }}'
+  gather_facts: false
+  vars:
+    dry_run: '{{ variable_dry_run | default(false) }}'
+    client_binaries_id: '{{ variable_client_binaries_id }}'
+  tasks:
+    - name: Check if target release directory exists
+      ansible.builtin.stat:
+        path: "/home/freecodecamp/client/releases/{{ client_binaries_id }}"
+      register: release_directory
+
+    - name: Fail if release directory does not exist
+      ansible.builtin.fail:
+        msg: "Release directory {{ client_binaries_id }} does not exist in /home/freecodecamp/client/releases/"
+      when: not release_directory.stat.exists
+
+    - name: Update release ID and restart client services (rolling)
+      ansible.builtin.include_tasks:
+        file: tasks/rollback-client-service.yml
+      loop:
+        - primary
+        - secondary
+      loop_control:
+        loop_var: service_type
+
+    - name: Save PM2 process list
+      ansible.builtin.shell: |
+        export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
+        [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
+        pm2 save
+      args:
+        executable: /bin/bash
+        chdir: /home/freecodecamp/client
+      when: not dry_run | bool
+
+    - name: Display PM2 process status
+      ansible.builtin.shell: |
+        export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
+        [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
+        pm2 ls
+      args:
+        executable: /bin/bash
+        chdir: /home/freecodecamp/client
+      register: pm2_status
+
+    - name: Show PM2 status
+      ansible.builtin.debug:
+        msg: "{{ pm2_status.stdout_lines }}"
+

ansible/play-test--2-node-version.yml

@@ -0,0 +1,31 @@
+---
+- name: Test Node Environment - Print Node/NPM/PM2 Versions
+  hosts: "{{ variable_host | default('null') }}"
+  serial: '{{ variable_serial | default(1) }}'
+  gather_facts: false
+  become: true
+  become_user: freecodecamp
+  tasks:
+    - name: Print Node, NPM, and PM2 versions
+      ansible.builtin.shell: |
+        export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
+        [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
+        echo "Node version:"
+        node -v
+        echo ""
+        echo "NPM version:"
+        npm -v
+        echo ""
+        echo "PM2 version:"
+        pm2 -v
+        echo ""
+        echo "PM2 location:"
+        which pm2
+      args:
+        executable: /bin/bash
+        chdir: /home/freecodecamp
+      register: version_output
+
+    - name: Display version information
+      ansible.builtin.debug:
+        msg: "{{ version_output.stdout_lines }}"

ansible/tasks/list-client-releases.yml

@@ -0,0 +1,20 @@
+---
+- name: Get all release directories
+  ansible.builtin.find:
+    paths: /home/freecodecamp/client/releases
+    recurse: false
+    file_type: directory
+  register: all_releases
+
+- name: Sort releases by modification time
+  ansible.builtin.set_fact:
+    sorted_releases:
+      "{{ all_releases.files | sort(attribute='mtime', reverse=true) }}"
+
+- name: Display available releases (newest first)
+  ansible.builtin.debug:
+    msg: "{{ my_idx + 1 }}. {{ item.path | basename }}"
+  loop: "{{ sorted_releases }}"
+  loop_control:
+    index_var: my_idx
+    label: "{{ item.path | basename }}"

ansible/tasks/rollback-client-service.yml

@@ -0,0 +1,23 @@
+---
+- name: "Update release ID in client-start-{{ service_type }}.sh"
+  ansible.builtin.replace:
+    path: "/home/freecodecamp/client/client-start-{{ service_type }}.sh"
+    regexp: 'prd-release-\d{8}-\d+'
+    replace: "{{ client_binaries_id }}"
+    backup: yes
+  when: not dry_run | bool
+
+- name: "Restart PM2 client-{{ service_type }} service"
+  ansible.builtin.shell: |
+    export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
+    [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"
+    pm2 restart client-{{ service_type }}
+  args:
+    executable: /bin/bash
+    chdir: /home/freecodecamp/client
+  when: not dry_run | bool
+
+- name: "Wait for client-{{ service_type }} to stabilize"
+  ansible.builtin.pause:
+    seconds: 10
+  when: not dry_run | bool