feat: add Feishu webhook notification for backups

- Include a webhook URL to send notifications after backups.
- Capture and log the duration and size of the backups.
- Create a new Kubernetes secret for storing the Feishu webhook URL.
- Enhance the backup script to notify users of backup success with details.

This change improves monitoring and user notification of backup events,
allowing for better awareness and response times in case of failure or
success of the backup processes.

backups/daemonset+cronjob/cm-script.yaml

@@ -20,6 +20,9 @@ data:
     HOSTNAME=$(hostname)
     HOSTNAME="${NODE_NAME:-$HOSTNAME}"
 
+    FEISHU_WEBHOOK_URL=$(cat /etc/feishu-webhook/url)
+
+    START_TIME=$(date +%s)
     
     # 配置 s3cmd
     cat > ~/.s3cfg << EOF
@@ -52,6 +55,7 @@ data:
       BACKUP_NAME="backup-${DIR_NAME}-${TIMESTAMP}.tar.gz"
       TEMP_DIR=$(mktemp -d)
       BACKUP_PATH="/tmp/${BACKUP_NAME}"
+      SOURCE_SIZE=$(du -sh /data/local-csi | cut -f1)
       
       echo "正在备份目录: $dir"
 
@@ -95,8 +99,20 @@ data:
       fi
     done
     
+    END_TIME=$(date +%s)
     echo "备份完成"
 
+    DURATION=$((END_TIME - START_TIME))
+    MSG_TITLE="✅ [K3s Backup] $NODE_NAME Backup Success"
+    MSG_TEXT="Host: $NODE_NAME\nSource: /data\nSource Size: $SOURCE_SIZE\nDuration: ${DURATION}s"
+    JSON_PAYLOAD=$(jq -n \
+      --arg title "$MSG_TITLE" \
+      --arg text "$MSG_TEXT" \
+      '{msg_type: "post", content: {post: {zh_cn: {title: $title, content: [[{tag: "text", text: $text}]]}}}}')
+    echo "Sending notification to Feishu..."
+    curl -X POST -H "Content-Type: application/json" -d "$JSON_PAYLOAD" "$FEISHU_WEBHOOK_URL"
+    echo "Notification sent."
+
   s3cmd-trigger.sh: |
     #!/bin/bash
     set -e

backups/daemonset+cronjob/daemonset.yaml

@@ -98,6 +98,9 @@ spec:
           mountPath: /data
         - name: scripts
           mountPath: /scripts
+        - name: feishu-webhook-volume
+          mountPath: /etc/feishu-webhook # 挂载飞书 Webhook Secret
+          readOnly: true
       volumes:
       - name: host-data
         hostPath:
@@ -106,3 +109,6 @@ spec:
         configMap:
           name: backup-script
           defaultMode: 0755
+      - name: feishu-webhook-volume
+        secret:
+          secretName: feishu-webhook

backups/daemonset+cronjob/secret-feishu-webhook.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+data:
+  # https://open.feishu.cn/open-apis/bot/v2/hook/f2a8d634-6a90-4f86-ac2f-ef6a53dbd680
+  url: aHR0cHM6Ly9vcGVuLmZlaXNodS5jbi9vcGVuLWFwaXMvYm90L3YyL2hvb2svZjJhOGQ2MzQtNmE5MC00Zjg2LWFjMmYtZWY2YTUzZGJkNjgw
+kind: Secret
+metadata:
+  name: feishu-webhook
+  namespace: backup-system
+type: Opaque

backups/daemonset+cronjob/secret.yaml

@@ -10,4 +10,6 @@ data:
   access-key: RVZuWFViR2xld2t0dFF0em9XUWs=  # EVnXUbGlewkttQtzoWQk
   secret-key: THNxVFRmc0VEVzBFY3Buc09aOUxyTnhwc21zajdIMGxlR2R0WHBwRg==  # LsqTTfsEDW0EcpnsOZ9LrNxpsmsj7H0leGdtXppF
   bucket: YmFja3Vwcw==  # backups
+  # https://open.feishu.cn/open-apis/bot/v2/hook/f2a8d634-6a90-4f86-ac2f-ef6a53dbd680
+  #feishu-webhook: aHR0cHM6Ly9vcGVuLmZlaXNodS5jbi9vcGVuLWFwaXMvYm90L3YyL2hvb2svZjJhOGQ2MzQtNmE5MC00Zjg2LWFjMmYtZWY2YTUzZGJkNjgw