adding restore all play

ansible/homelab/playbooks/restore-all.yml

@@ -0,0 +1,19 @@
+###
+# restore-all restores a manually specified list of volumes.
+# This is intended for user when initially setting up a home lab environment
+# and want to restore all applications from existing backups
+#
+# Restores will be skipped if there is no archive in the backup directory.
+#
+# If a container exists, it will be stopped, restored and started
+# If a container does not exist, the volume will be still be created.
+###
+
+---
+- name: Redeploy Portainer and All Volumes
+  hosts: servers
+  tasks:
+    - name: Restore Tautulli
+      import_tasks: ../tasks/restore-volume-tasks.yml
+      vars:
+        container_name: "tautulli"

ansible/homelab/playbooks/volume-restore.yml

@@ -1,31 +1,9 @@
 ### Example:
-# ansible-playbook -v ansible/volume-restore.yml -e "container_name=mariadb"
+# ansible-playbook -v ansible/playbooks/volume-restore.yml -e "container_name=mariadb"
 ---
 - hosts: servers
   tasks:
-  - name: Find volumes
-    ansible.builtin.shell: docker run --rm 
-      -v /var/run/docker.sock:/var/run/docker.sock 
-      -v /mnt/hdds/backups/:/mnt/hdds/backups/ 
-      ghcr.io/chatton/docker-volume-backup:master 
-      list-backups 
-      --host-path /mnt/hdds/backups/ 
-      --volume-name-filter {{container_name}}
-      --newest-only
-    register: out
-  - name: Stop the container
-    docker_container:
-      name: "{{container_name}}"
-      state: stopped
     - name: Restore Volume
-    ansible.builtin.command: docker run --rm
+      import_tasks: ../tasks/restore-volume-tasks.yml
-      -v /var/run/docker.sock:/var/run/docker.sock
+      vars:
-      ghcr.io/chatton/docker-volume-backup:master
+        container_name: "{{ container_name }}"
-      restore-volume
-      --volume {{item.volumeName}}
-      --archive {{item.absoluteFilePath}}
-    with_items: "{{ out.stdout }}"
-  - name: Start the container
-    docker_container:
-      name: "{{container_name}}"
-      state: started

ansible/homelab/tasks/restore-volume-tasks.yml

@@ -0,0 +1,40 @@
+---
+# https://stackoverflow.com/questions/45237632/ansible-w-docker-show-current-container-state
+- name: Get container info
+  docker_container_info:
+    name: "{{container_name}}"
+  register: result
+# We find the volumes
+- name: Find volumes
+  ansible.builtin.shell: docker run --rm
+    -v /var/run/docker.sock:/var/run/docker.sock
+    -v /mnt/hdds/backups/:/mnt/hdds/backups/
+    ghcr.io/chatton/docker-volume-backup:master
+    list-backups
+    --host-path /mnt/hdds/backups/
+    --volume-name-filter {{container_name}}
+    --newest-only
+  register: out
+
+- name: Stop the container
+  # not out.stdout is search("null") occurs when there is no volume in the backups dir
+  when: result.exists and not out.stdout is search("null")
+  docker_container:
+    name: "{{container_name}}"
+    state: stopped
+- name: Restore Volume
+  ansible.builtin.command: docker run --rm
+    -v /var/run/docker.sock:/var/run/docker.sock
+    ghcr.io/chatton/docker-volume-backup:master
+    restore-volume
+    --volume {{item.volumeName}}
+    --archive {{item.absoluteFilePath}}
+  with_items: "{{ out.stdout }}"
+  # the output will be "null" if there are no backups. We simply skip if this is the case
+  when: not out.stdout is search("null")
+- name: Start the container
+  # not out.stdout is search("null") occurs when there is no volume in the backups dir
+  when: result.exists and not out.stdout is search("null")
+  docker_container:
+    name: "{{container_name}}"
+    state: started