feat: cloudfare-ddns updater

2026-11-04 20:12:31 +01:00
parent 51823374ef
commit 202b5f0ee0
7 changed files with 239 additions and 0 deletions
@@ -0,0 +1,127 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: cloudflare-ddns-script
+  namespace: cloudflare-ddns
+data:
+  update-dns.sh: |
+    #!/bin/sh
+
+    set -e
+
+    # Colors for output
+    RED='\033[0;31m'
+    GREEN='\033[0;32m'
+    YELLOW='\033[1;33m'
+    NC='\033[0m' # No Color
+
+    echo "Starting Cloudflare DDNS update..."
+    echo "Timestamp: $(date)"
+
+    # Check required environment variables
+    if [ -z "$API_TOKEN" ]; then
+      echo "${RED}ERROR: API_TOKEN is not set${NC}"
+      exit 1
+    fi
+
+    if [ -z "$ZONE_ID" ]; then
+      echo "${RED}ERROR: ZONE_ID is not set${NC}"
+      exit 1
+    fi
+
+    if [ -z "$DOMAINS" ]; then
+      echo "${RED}ERROR: DOMAINS is not set${NC}"
+      exit 1
+    fi
+
+    # Get current public IP address
+    echo "Fetching current public IP address..."
+    PUBLIC_IP=$(curl -s https://api.ipify.org)
+
+    if [ -z "$PUBLIC_IP" ]; then
+      echo "First attempt failed, trying alternative service..."
+      PUBLIC_IP=$(curl -s https://ifconfig.me)
+    fi
+
+    if [ -z "$PUBLIC_IP" ]; then
+      echo "${RED}ERROR: Could not determine public IP address${NC}"
+      exit 1
+    fi
+
+    echo "${GREEN}Current public IP: $PUBLIC_IP${NC}"
+
+    # Process each domain
+    echo "$DOMAINS" | tr ',' '\n' | while IFS= read -r DOMAIN; do
+      # Trim whitespace
+      DOMAIN=$(echo "$DOMAIN" | xargs)
+
+      echo ""
+      echo "Processing domain: $DOMAIN"
+
+      # Get DNS record ID for the domain
+      echo "Fetching DNS record for $DOMAIN..."
+      RECORD_RESPONSE=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records?name=$DOMAIN&type=A" \
+        -H "Authorization: Bearer $API_TOKEN" \
+        -H "Content-Type: application/json")
+
+      # Check if the request was successful
+      SUCCESS=$(echo "$RECORD_RESPONSE" | grep -o '"success":[^,]*' | cut -d':' -f2)
+
+      if [ "$SUCCESS" != "true" ]; then
+        echo "${RED}ERROR: Failed to fetch DNS record for $DOMAIN${NC}"
+        echo "$RECORD_RESPONSE"
+        continue
+      fi
+
+      # Extract record ID and current IP
+      RECORD_ID=$(echo "$RECORD_RESPONSE" | grep -o '"id":"[^"]*"' | head -1 | cut -d'"' -f4)
+      CURRENT_IP=$(echo "$RECORD_RESPONSE" | grep -o '"content":"[^"]*"' | head -1 | cut -d'"' -f4)
+
+      if [ -z "$RECORD_ID" ]; then
+        echo "${YELLOW}WARNING: DNS record not found for $DOMAIN. Creating new record...${NC}"
+
+        # Create new DNS record
+        CREATE_RESPONSE=$(curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" \
+          -H "Authorization: Bearer $API_TOKEN" \
+          -H "Content-Type: application/json" \
+          --data "{\"type\":\"A\",\"name\":\"$DOMAIN\",\"content\":\"$PUBLIC_IP\",\"ttl\":120,\"proxied\":false}")
+
+        CREATE_SUCCESS=$(echo "$CREATE_RESPONSE" | grep -o '"success":[^,]*' | cut -d':' -f2)
+
+        if [ "$CREATE_SUCCESS" = "true" ]; then
+          echo "${GREEN}Successfully created DNS record for $DOMAIN with IP $PUBLIC_IP${NC}"
+        else
+          echo "${RED}ERROR: Failed to create DNS record for $DOMAIN${NC}"
+          echo "$CREATE_RESPONSE"
+        fi
+        continue
+      fi
+
+      echo "Current DNS IP: $CURRENT_IP"
+
+      # Check if IP needs to be updated
+      if [ "$CURRENT_IP" = "$PUBLIC_IP" ]; then
+        echo "${GREEN}IP address is already up to date for $DOMAIN${NC}"
+        continue
+      fi
+
+      echo "${YELLOW}Updating DNS record for $DOMAIN from $CURRENT_IP to $PUBLIC_IP${NC}"
+
+      # Update DNS record
+      UPDATE_RESPONSE=$(curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$RECORD_ID" \
+        -H "Authorization: Bearer $API_TOKEN" \
+        -H "Content-Type: application/json" \
+        --data "{\"type\":\"A\",\"name\":\"$DOMAIN\",\"content\":\"$PUBLIC_IP\",\"ttl\":120,\"proxied\":false}")
+
+      UPDATE_SUCCESS=$(echo "$UPDATE_RESPONSE" | grep -o '"success":[^,]*' | cut -d':' -f2)
+
+      if [ "$UPDATE_SUCCESS" = "true" ]; then
+        echo "${GREEN}Successfully updated DNS record for $DOMAIN to $PUBLIC_IP${NC}"
+      else
+        echo "${RED}ERROR: Failed to update DNS record for $DOMAIN${NC}"
+        echo "$UPDATE_RESPONSE"
+      fi
+    done
+
+    echo ""
+    echo "Cloudflare DDNS update completed at $(date)"