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add_robots_location.py

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+"""Safely add robots.txt location block to gfil-lab.com Nginx config"""
+import paramiko
+
+JD_HOST = "111.228.37.165"
+JD_USER = "root"
+JD_PASS = "Liudecai110"
+
+LAB_HOST = "216.144.233.14"
+LAB_USER = "root"
+LAB_PASS = "Kt9V72Tx2c48ChikKU"
+
+jd = paramiko.SSHClient()
+jd.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+jd.connect(JD_HOST, port=22, username=JD_USER, password=JD_PASS,
+           timeout=20, banner_timeout=60, allow_agent=False, look_for_keys=False)
+
+# Use python on remote to do precise insertion instead of sed
+cmd = f"""sshpass -p '{LAB_PASS}' ssh -o StrictHostKeyChecking=no {LAB_USER}@{LAB_HOST} '
+# Backup first
+cp /etc/nginx/sites-enabled/gfil /etc/nginx/sites-enabled/gfil.bak.before-robots
+
+# Use python to insert robots.txt block precisely before "location / {"
+python3 -c "
+import re
+with open(\"/etc/nginx/sites-enabled/gfil\", \"r\") as f:
+    content = f.read()
+
+robots_block = \"\"\"    location = /robots.txt {
+        alias /var/www/gfil-lab/robots.txt;
+        default_type text/plain;
+    }
+
+\"\"\"
+
+# Insert before the first \"location / {\"
+if \"robots.txt\" not in content:
+    content = content.replace(\"    location / {\", robots_block + \"    location / {\")
+    with open(\"/etc/nginx/sites-enabled/gfil\", \"w\") as f:
+        f.write(content)
+    print(\"INSERTED robots.txt block\")
+else:
+    print(\"robots.txt block already exists, skipping\")
+"
+
+# Verify
+echo "=== Updated config ==="
+cat /etc/nginx/sites-enabled/gfil
+
+# Test
+nginx -t 2>&1
+if [ $? -eq 0 ]; then
+    systemctl reload nginx
+    echo "SUCCESS: Nginx reloaded"
+else
+    echo "FAILED: rolling back"
+    cp /etc/nginx/sites-enabled/gfil.bak.before-robots /etc/nginx/sites-enabled/gfil
+    nginx -t 2>&1
+    systemctl reload nginx
+    echo "Rolled back to original"
+fi
+
+# Verify site still works
+curl -s -o /dev/null -w "Site: HTTP %{{http_code}}" http://localhost/ 2>/dev/null
+
+# Verify robots.txt
+curl -s http://localhost/robots.txt 2>/dev/null | head -5
+'"""
+stdin, stdout, stderr = jd.exec_command(cmd, timeout=30)
+print(stdout.read().decode())
+jd.close()