Add container updater

scripts/container-update.sh

@@ -0,0 +1,159 @@
+# Container update script with Gotify notifications
+# Updates all podman containers to latest images
+
+set -euo pipefail
+
+# Configuration from environment (set by systemd service)
+GOTIFY_URL="${GOTIFY_URL:-}"
+GOTIFY_TOKEN="${GOTIFY_TOKEN:-}"
+EXCLUDE_CONTAINERS="${EXCLUDE_CONTAINERS:-}"
+
+# Convert excluded containers to array
+IFS=',' read -ra EXCLUDED <<< "$EXCLUDE_CONTAINERS"
+
+# Function to send Gotify notification
+send_notification() {
+    local priority="$1"
+    local title="$2"
+    local message="$3"
+    
+    if [[ -n "$GOTIFY_URL" ]] && [[ -n "$GOTIFY_TOKEN" ]]; then
+        /home/yanlin/.config/nix/scripts/gotify-notify.sh \
+            "$GOTIFY_URL" \
+            "$GOTIFY_TOKEN" \
+            "$priority" \
+            "$title" \
+            "$message" 2>&1 || echo "Failed to send notification"
+    fi
+}
+
+# Get all running containers
+echo "Getting list of running containers..."
+containers=$(podman ps --format "{{.Names}}")
+
+if [[ -z "$containers" ]]; then
+    echo "No running containers found"
+    exit 0
+fi
+
+# Arrays to track updates
+updated_containers=()
+failed_containers=()
+skipped_containers=()
+
+# Update each container
+for container in $containers; do
+    # Check if container is in exclude list
+    skip=false
+    for excluded in "${EXCLUDED[@]}"; do
+        if [[ "$container" == "$excluded" ]]; then
+            echo "Skipping excluded container: $container"
+            skipped_containers+=("$container")
+            skip=true
+            break
+        fi
+    done
+    
+    if [[ "$skip" == true ]]; then
+        continue
+    fi
+    
+    echo "Processing container: $container"
+    
+    # Get current image
+    image=$(podman inspect "$container" --format '{{.ImageName}}')
+    
+    if [[ -z "$image" ]]; then
+        echo "ERROR: Could not get image for container $container"
+        failed_containers+=("$container (no image)")
+        continue
+    fi
+    
+    echo "  Current image: $image"
+    
+    # Get current image ID before pull
+    old_image_id=$(podman inspect "$container" --format '{{.Image}}')
+    
+    # Pull latest image
+    echo "  Pulling latest image..."
+    if podman pull "$image" 2>&1; then
+        echo "  Image pulled successfully"
+        
+        # Get new image ID after pull
+        new_image_id=$(podman inspect "$image" --format '{{.Id}}')
+        
+        # Check if image actually changed
+        if [[ "$old_image_id" != "$new_image_id" ]]; then
+            echo "  New image detected, restarting container..."
+            
+            # Restart container
+            if podman restart "$container" 2>&1; then
+                echo "  Container updated successfully"
+                updated_containers+=("$container")
+            else
+                echo "  ERROR: Failed to restart container"
+                failed_containers+=("$container (restart failed)")
+            fi
+        else
+            echo "  Image unchanged, skipping restart"
+            skipped_containers+=("$container (no update)")
+        fi
+    else
+        echo "  ERROR: Failed to pull image"
+        failed_containers+=("$container (pull failed)")
+    fi
+    
+    echo ""
+done
+
+# Prepare notification message
+notification_lines=()
+notification_priority="normal"
+
+if [[ ${#updated_containers[@]} -gt 0 ]]; then
+    notification_lines+=("✅ Updated (${#updated_containers[@]}):")
+    for container in "${updated_containers[@]}"; do
+        notification_lines+=("  • $container")
+    done
+fi
+
+if [[ ${#failed_containers[@]} -gt 0 ]]; then
+    notification_priority="high"
+    notification_lines+=("")
+    notification_lines+=("❌ Failed (${#failed_containers[@]}):")
+    for container in "${failed_containers[@]}"; do
+        notification_lines+=("  • $container")
+    done
+fi
+
+if [[ ${#skipped_containers[@]} -gt 0 ]]; then
+    notification_lines+=("")
+    notification_lines+=("⏭️ No updates (${#skipped_containers[@]}):")
+    for container in "${skipped_containers[@]}"; do
+        notification_lines+=("  • $container")
+    done
+fi
+
+# Send notification if there were any updates or failures
+if [[ ${#notification_lines[@]} -gt 0 ]]; then
+    # Build multi-line message similar to borg-client
+    message=""
+    for line in "${notification_lines[@]}"; do
+        if [[ -n "$message" ]]; then
+            message="${message}\n${line}"
+        else
+            message="$line"
+        fi
+    done
+    
+    hostname_val=$(hostname 2>/dev/null || echo "hs")
+    send_notification "$notification_priority" "Container Update - $hostname_val" "$message"
+fi
+
+# Exit with error if any containers failed
+if [[ ${#failed_containers[@]} -gt 0 ]]; then
+    echo "ERROR: Some containers failed to update"
+    exit 1
+fi
+
+echo "Container update completed successfully"