Introduce backup handler for upgrade

ansible.cfg

@@ -2,6 +2,7 @@
 [defaults]
 inventory = inventory
 #timeout = 60
+force_handlers = True
 
 [ssh_connection]
 pipelining = True

roles/api/handlers/main.yml

@@ -0,0 +1,25 @@
+---
+- name: recover backup
+  synchronize:
+    src: "{{ fworch_home }}/backup_api/api"
+    dest: "{{ fworch_home }}"
+  delegate_to: "{{ inventory_hostname }}"
+  listen: "api handler"
+  when: api_handler_guard == "start"
+  become: yes
+
+- name: delete backup
+  file:
+    state: absent
+    path: "{{ fworch_home }}/backup_api"
+  listen: "api handler"
+  become: yes
+
+- name: fail message
+  debug:
+    msg:
+    - "An error occured during the upgrade of role {{ role_name }}"
+    - "Please restart the server {{ inventory_hostname }}"
+    - "Try to upgrade {{ product_name }} later or contact the support [email protected]"
+  listen: "api handler"
+  when: api_handler_guard == "start"

roles/api/tasks/main.yml

@@ -1,4 +1,19 @@
 # this playbook sets up the api
+- name: initialize handler for datarecovery
+  set_fact:
+    api_handler_guard: start
+  changed_when: true
+  notify:
+  - api handler
+  when: installation_mode == "upgrade"
+
+- name: backup api dir
+  synchronize:
+    src: "{{ fworch_home }}/api"
+    dest: "{{ fworch_home }}/backup_api"
+  delegate_to: "{{ inventory_hostname }}"
+  when: installation_mode == "upgrade"
+  become: yes
 
 - name: remove api home
   file:
@@ -27,3 +42,11 @@
 - name: api create documentation
   import_tasks: api-create-docu.yml
   when: api_docu | bool
+
+- name: finalize handler for datarecovery
+  set_fact:
+    api_handler_guard: stop
+  changed_when: true
+  notify: "api handler"
+  when: installation_mode == "upgrade"
+

roles/common/tasks/main.yml

@@ -45,18 +45,28 @@
   #   meta: end_play
   #   when: installation_mode == "uninstall"
 
+ # - name: remove old backups
+ #   file:
+ #     path: "{{ fworch_parent_dir }}/{{ product_name }}_backup"
+ #     state: absent
+ #   when: installation_mode == "upgrade"
+
+ # - name: backup {{ fworch_home }} dir
+ #   command: "cp -rf {{ fworch_parent_dir }}/{{ product_name }} {{ fworch_parent_dir }}/{{ product_name }}_backup"
+ #   when: installation_mode == "upgrade"
+
   - name: remove complete {{ fworch_home }} dir except for etc
     file:
       state: absent
       path: "{{ fworch_home }}/{{ item }}"
     loop:
-      - api
-      - middleware
+#      - api
+#      - middleware
       - bin
-      - importer  
-      - database  
-      - ui
-      - lib
+#      - importer  
+#      - database  
+#      - ui
+#      - lib
 
   - name: include redhat install basics
     include_tasks: redhat_preps.yml

roles/database/handlers/main.yml

@@ -0,0 +1,25 @@
+---
+- name: recover backup
+  synchronize:
+    src: "{{ fworch_home }}/backup_database/database"
+    dest: "{{ fworch_home }}"
+  delegate_to: "{{ inventory_hostname }}"
+  listen: "database handler"
+  when: database_handler_guard == "start"
+  become: yes
+
+- name: delete backup
+  file:
+    state: absent
+    path: "{{ fworch_home }}/backup_database"
+  listen: "database handler"
+  become: yes
+
+- name: fail message
+  debug:
+    msg:
+    - "An error occured during the upgrade of role {{ role_name }}"
+    - "Please restart the server {{ inventory_hostname }}"
+    - "Try to upgrade {{ product_name }} later or contact the support [email protected]"
+  listen: "database handler"
+  when: database_handler_guard == "start"

roles/database/tasks/main.yml

@@ -1,5 +1,26 @@
 - block:
 
+    - name: initialize handler for datarecovery
+      set_fact:
+        database_handler_guard: start
+      changed_when: true
+      notify:
+      - database handler
+      when: installation_mode == "upgrade"
+
+    - name: backup database dir
+      synchronize:
+        src: "{{ fworch_home }}/database"
+        dest: "{{ fworch_home }}/backup_database"
+      delegate_to: "{{ inventory_hostname }}"
+      when: installation_mode == "upgrade"
+
+    - name: remove database dir
+      file:
+        state: absent
+        path: "{{ fworch_home }}/database"
+      when: installation_mode == "upgrade"
+
     - name: include redhat db install parts
       include_tasks: redhat_preps.yml
       when: installation_mode == "new" and ansible_os_family == "RedHat"
@@ -174,3 +195,10 @@
 
 - name: (re)define functions and views
   import_tasks: recreate-functions-and-views.yml
+
+- name: finalize handler for datarecovery
+  set_fact:
+    database_handler_guard: stop
+  changed_when: true
+  notify: "database handler"
+  when: installation_mode == "upgrade"

roles/importer/handlers/main.yml

@@ -0,0 +1,25 @@
+---
+- name: recover backup
+  synchronize:
+    src: "{{ fworch_home }}/backup_importer/importer"
+    dest: "{{ fworch_home }}"
+  delegate_to: "{{ inventory_hostname }}"
+  listen: "importer handler"
+  when: importer_handler_guard == "start"
+  become: yes
+
+- name: delete backup
+  file:
+    state: absent
+    path: "{{ fworch_home }}/backup_importer"
+  listen: "importer handler"
+  become: yes
+
+- name: fail message
+  debug:
+    msg:
+    - "An error occured during the upgrade of role {{ role_name }}"
+    - "Please restart the server {{ inventory_hostname }}"
+    - "Try to upgrade {{ product_name }} later or contact the support [email protected]"
+  listen: "importer handler"
+  when: importer_handler_guard == "start"

roles/importer/tasks/main.yml

@@ -1,68 +1,96 @@
 - block:
-    - name: Install importer perl modules 
-      package: name={{ item }} state=present
-      loop:
-        - libdbi-perl 
-        - libdbd-pg-perl 
-        - libdate-calc-perl 
-        - psmisc 
-        - libnet-cidr-perl 
-        - libsys-syslog-perl 
-        - libexpect-perl
-        - libcgi-pm-perl
+  - name: initialize handler for datarecovery
+    set_fact:
+      importer_handler_guard: start
+    changed_when: true
+    notify:
+    - importer handler
+    when: installation_mode == "upgrade"
 
-    - name: copy importer files
-      copy:
-        src: "importer"
-        dest: "{{ fworch_home }}"
-        owner: "{{ fworch_user }}"
-        group: "{{ fworch_group }}"
-        mode: "0755"
+  - name: backup importer dir
+    synchronize:
+      src: "{{ fworch_home }}/importer"
+      dest: "{{ fworch_home }}/backup_importer"
+    delegate_to: "{{ inventory_hostname }}"
+    when: installation_mode == "upgrade"
 
-    - name: set x-flag for importer executables (top level only)
-      file:
-        path: "{{ item }}"
-        state: file
-        mode: "0755"
-      with_fileglob: "{{ fworch_home }}/importer/*"
+  - name: remove importer dir
+    file:
+      state: absent
+      path: "{{ fworch_home }}/importer"
+    when: installation_mode == "upgrade"
 
-    - name: create default /var/{{ product_name }} dirs for importer
-      file:
-        path: "{{ item }}"
-        state: directory
-        owner: "{{ fworch_user }}"
-        group: "{{ fworch_group }}"
-        mode: "0755"
-      loop:
-        - /var/{{ product_name }}
-        - /var/{{ product_name }}/tmp
-        - /var/{{ product_name }}/import_archive
+  - name: Install importer perl modules 
+    package: name={{ item }} state=present
+    loop:
+      - libdbi-perl 
+      - libdbd-pg-perl 
+      - libdate-calc-perl 
+      - psmisc 
+      - libnet-cidr-perl 
+      - libsys-syslog-perl 
+      - libexpect-perl
+      - libcgi-pm-perl
 
-    - name: copy import.conf
-      copy:
-        src: "import.conf"
-        dest: "{{ fworch_home }}/etc/import.conf"
-        mode: "0755"
-        owner: "{{ fworch_user }}"
-        group: "{{ fworch_group }}"
+  - name: copy importer files
+    copy:
+      src: "importer"
+      dest: "{{ fworch_home }}"
+      owner: "{{ fworch_user }}"
+      group: "{{ fworch_group }}"
+      mode: "0755"
 
-    - name: copy importer systemd service script
-      template:
-        src: "{{ product_name }}-importer.service.j2"
-        dest: "/lib/systemd/system/{{ product_name }}-importer.service"
-        backup: yes
-        mode: "0644"
-        owner: "root"
-      become: yes
+  - name: set x-flag for importer executables (top level only)
+    file:
+      path: "{{ item }}"
+      state: file
+      mode: "0755"
+    with_fileglob: "{{ fworch_home }}/importer/*"
 
-    - name: make importer run at host startup
-      ansible.builtin.systemd:
-        name: "{{ product_name }}-importer"
-        state: started
-        enabled: yes
+  - name: create default /var/{{ product_name }} dirs for importer
+    file:
+      path: "{{ item }}"
+      state: directory
+      owner: "{{ fworch_user }}"
+      group: "{{ fworch_group }}"
+      mode: "0755"
+    loop:
+      - /var/{{ product_name }}
+      - /var/{{ product_name }}/tmp
+      - /var/{{ product_name }}/import_archive
 
-    - name: include upgrade script
-      import_tasks: run-upgrades.yml
-      when: "installation_mode == 'upgrade'"
+  - name: copy import.conf
+    copy:
+      src: "import.conf"
+      dest: "{{ fworch_home }}/etc/import.conf"
+      mode: "0755"
+      owner: "{{ fworch_user }}"
+      group: "{{ fworch_group }}"
+
+  - name: copy importer systemd service script
+    template:
+      src: "{{ product_name }}-importer.service.j2"
+      dest: "/lib/systemd/system/{{ product_name }}-importer.service"
+      backup: yes
+      mode: "0644"
+      owner: "root"
+    become: yes
+
+  - name: make importer run at host startup
+    ansible.builtin.systemd:
+      name: "{{ product_name }}-importer"
+      state: started
+      enabled: yes
+
+  - name: include upgrade script
+    import_tasks: run-upgrades.yml
+    when: "installation_mode == 'upgrade'"
+
+  - name: finalize handler for datarecovery
+    set_fact:
+      importer_handler_guard: stop
+    changed_when: true
+    notify: "importer handler"
+    when: installation_mode == "upgrade"
 
   become: yes

roles/lib/handlers/main.yml

@@ -0,0 +1,25 @@
+---
+- name: recover backup
+  synchronize:
+    src: "{{ fworch_home }}/backup_lib/lib"
+    dest: "{{ fworch_home }}"
+  delegate_to: "{{ inventory_hostname }}"
+  listen: "lib handler"
+  when: lib_handler_guard == "start"
+  become: yes
+
+- name: delete backup
+  file:
+    state: absent
+    path: "{{ fworch_home }}/backup_lib"
+  listen: "lib handler"
+  become: yes
+
+- name: fail message
+  debug:
+    msg:
+    - "An error occured during the upgrade of role {{ role_name }}"
+    - "Please restart the server {{ inventory_hostname }}"
+    - "Try to upgrade {{ product_name }} later or contact the support [email protected]"
+  listen: "lib handler"
+  when: lib_handler_guard == "start"