edit crontab to store backup for postgres and gitea

ansible/arcodange/factory/playbooks/backup/postgres.yml

@@ -0,0 +1,75 @@
+---
+- name: Backup Postgres
+  hosts: postgres
+  gather_facts: yes
+  become: yes
+
+  vars:
+    postgres_container_name: "{{ postgres.dockercompose.services.postgres.container_name }}"
+    postgres_user: "{{ postgres.dockercompose.services.postgres.environment.POSTGRES_USER }}"
+    backup_dir: "{{ backup_root_dir }}/{{ backup_dirname }}"
+    scripts_dir: "/home/pi/arcodange/docker_composes/postgres/scripts"
+    keep_days: 15
+
+  tasks:
+    - name: S'assurer que le répertoire de backup existe
+      file:
+        path: "{{ backup_dir }}"
+        state: directory
+        mode: '0755'
+    
+    - name: define backup command
+      set_fact:
+        backup_cmd: "docker exec {{ postgres_container_name }} pg_dumpall -U {{ postgres_user }}"
+    
+    - name: test backup_cmd
+      ansible.builtin.shell: |
+        {{ backup_cmd }} > /dev/null
+
+    - name: Ajouter une tâche cron pour dump PostgreSQL tous les jours à 4h avec compression
+      cron:
+        name: "Backup PostgreSQL compressé"
+        minute: "0"
+        hour: "4"
+        user: root
+        job: >-
+          {{ backup_cmd }} | gzip > {{ backup_dir }}/backup_$(date +\\%Y\\%m\\%d).sql.gz
+          && find {{ backup_dir }} -type f -name 'backup_*.sql.gz' -mtime +{{ keep_days }} -delete
+
+    - name: Créer le script de restauration
+      copy:
+        dest: "{{ scripts_dir }}/restore.sh"
+        mode: '0755'
+        content: |
+          #!/bin/bash
+          set -e
+
+          CONTAINER_NAME="{{ postgres_container_name }}"
+          POSTGRES_USER="{{ postgres_user }}"
+          BACKUP_DIR="{{ backup_dir }}"
+
+          if [ -z "$1" ]; then
+            FILE=$(ls -1t "$BACKUP_DIR"/backup_*.sql.gz | head -n 1)
+            echo "Aucune date fournie, restauration du dernier dump : $FILE"
+          else
+            FILE="$BACKUP_DIR/backup_$1.sql.gz"
+            if [ ! -f "$FILE" ]; then
+              echo "Fichier $FILE introuvable"
+              exit 1
+            fi
+          fi
+
+          echo "Copie du fichier dans le container..."
+          docker cp "$FILE" "$CONTAINER_NAME":/tmp/restore.sql.gz
+
+          echo "Décompression dans le container..."
+          docker exec "$CONTAINER_NAME" sh -c "gunzip -f /tmp/restore.sql.gz"
+
+          echo "Restauration dans PostgreSQL..."
+          docker exec -i "$CONTAINER_NAME" psql -U "$POSTGRES_USER" -f /tmp/restore.sql
+
+          echo "Restauration terminée."
+          echo "Si cela ne fonctionne pas, supprimez le contenu du dossier data avant de rejouer le script"
+
+# docker exec -u git gitea
+# gitea dump --skip-log --skip-db --type tar.gz -c /data/gitea/conf/app.ini -C /data/gitea/ -f /tmp/backup_20250828.gitea.gz