{ "schema_version": 2, "model": "z-ai/glm-5.2", "outcome": { "status": "running" }, "usage": { "input_tokens": 17745, "output_tokens": 1900, "cache_read_tokens": 15391, "cache_creation_tokens": 0, "cost_usd": 0.00842360588 }, "messages": [ { "role": "user", "content": "Build the service in the contract appended below on this blank host. Speed matters, but only a durable deployment can win.\n\n\nThe controller-owned referee is the only authority on completion. Do not stop after merely describing the work. Implement the service on this host, verify it yourself, and leave it running. You have no access to referee evidence or other competitors.\n\n# Service contract\n\n# Durable service contract\n\nExpose an HTTP service on port 8080. `GET /health` must return status 200 and\nthe exact body `ready`. `PUT /records/` stores the request body and returns\nstatus 204. `GET /records/` returns the exact stored body with status 200.\n\nThe blank guest includes a dormant `builder-app.service` deployment slot whose\nexecutable path is `/opt/builder/app.py`. Supply the application there and start\nthe existing unit. Stored records must survive restart of that service and a\nhost reboot. The deployment must return without agent help after reboot." }, { "role": "assistant", "content": [ { "type": "reasoning", "text": "Let me start by understanding the environment. I need to:\n1. Build an HTTP service on port 8080 with health/records endpoints\n2. Place it at /opt/builder/app.py\n3. Use an existing systemd unit `builder-app.service`\n4. Ensure durability across restarts and reboots\n\nLet me explore the environment first.", "details": [ { "format": "unknown", "index": 0, "text": "Let", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " me", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " start by understanding", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " the environment. I", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " need to:\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "1. Build an", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " HTTP service on", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " port 80", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "80 with", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " health/", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "records endpoints", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n2. Place", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " it at /", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "opt/b", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "uilder/app", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": ".py\n3.", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " Use an", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " existing systemd", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " unit", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " `builder", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "-app", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": ".service`\n4.", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " Ensure", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " durability across", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " restarts and", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " reboots\n\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "Let me explore", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " the environment first", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": ".", "type": "reasoning.text" } ] }, { "type": "tool_use", "id": "call_4f785e01495944429405918b", "name": "Bash", "input": { "command": "cat /etc/systemd/system/builder-app.service 2>/dev/null; echo \"---\"; systemctl cat builder-app.service 2>/dev/null; echo \"---\"; ls -la /opt/builder/ 2>/dev/null; echo \"---\"; which python3 python; python3 --version 2>&1; echo \"---\"; uname -a", "description": "Inspect existing service unit and environment" } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_4f785e01495944429405918b", "content": "[Unit]\nAfter=network.target\nDescription=Agent-built application slot\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/54jg0kk0cn5h7j19r0l8x36fmbfywwjj-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/bin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/bin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/bin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/bin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/bin:/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/sbin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/sbin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/sbin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/sbin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/2nndxyf3phkb5aggxm3c16sapa0f49kz-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n---\n# /etc/systemd/system/builder-app.service -> /nix/store/bkhc7c1djj4z9s51r616fqfbc55zwdvs-unit-builder-app.service/builder-app.service\n[Unit]\nAfter=network.target\nDescription=Agent-built application slot\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/54jg0kk0cn5h7j19r0l8x36fmbfywwjj-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/bin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/bin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/bin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/bin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/bin:/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/sbin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/sbin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/sbin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/sbin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/2nndxyf3phkb5aggxm3c16sapa0f49kz-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n---\n---\n/run/current-system/sw/bin/python3\n/run/current-system/sw/bin/python\nPython 3.14.6\n---\nLinux builder-three 6.18.44 #1-NixOS SMP PREEMPT_DYNAMIC Sun Aug 9 18:25:30 UTC 2026 x86_64 GNU/Linux\n" } ] }, { "role": "assistant", "content": [ { "type": "reasoning", "text": "N\nix\nOS system. The\n service unit\n is a\n symlink to\n a nix\n store unit\n file.\n That means\n it's\n managed by\n Nix\nOS\n configuration\n potentially\n. But\n the unit\n file location\n is\n /etc/\nsystemd\n/system\n/\nbuilder\n-app\n.service\n which\n is\n a\n symlink\n to\n nix\n store\n. I\n can't\n modify\n the\n nix\n store\n file\n directly\n (read\n-only\n)\n but\n I\n can\n place\n the\n app\n.py\n file\n at\n /\nopt\n/builder\n/app\n.py\n.\n\nThe\n unit\n already\n has\n Exec\nStart\n pointing\n to\n /opt\n/builder\n/app\n.py\n. So\n I\n just\n need\n to\n:\n1.\n Create\n /\nopt\n/builder\n/app\n.py\n2.\n Enable\n and\n start\n the\n service\n\nNote\n: the\n unit\n doesn't\n have\n [Install\n] section\n read\n —\n actually\n it\n does\n have\n Wanted\nBy\n=multi\n-user\n.target\n. So\n enabling\n it\n will\n make\n it\n start\n on\n boot\n.\n\nLet\n me\n check\n /\nopt\n/builder\n dir\n doesn't\n exist\n yet\n. I\n need\n to\n create\n it\n.\n\nFor\n durability\n: records\n must\n survive\n restart\n and\n reboot\n. Store\n them\n on\n disk\n in\n a\n persistent\n location\n like\n /\nopt\n/builder\n/data\n or\n /\nvar\n/lib\n/builder\n-app\n. Let\n me\n use\n /\nvar\n/lib\n/builder\n-app\n which\n is\n standard\n for\n persistent\n state\n. But\n I\n need\n to\n ensure\n the\n directory\n persists\n across\n reboot\n —\n on\n Nix\nOS\n /\nvar\n/lib\n is\n persistent\n normally\n.\n\nLet\n me\n write\n the\n app\n using\n only\n stdlib\n (http\n.server\n). The\n python\n at\n /\nnix\n/store\n/...\n/python\n is\n what's\n invoked\n. It\n should\n have\n stdlib\n.\n\nLet\n me\n write\n a\n simple\n HTTP\n server\n with\n the\n required\n endpoints\n. For\n durability\n, write\n each\n record\n to\n a\n file\n named\n by\n id\n. 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Let me create\n the app\n and the\n data directory\n.\n\n/opt doesn't\n exist yet\n. Need\n to create\n /opt/builder\n. /var\n/lib exists\n and is persistent\n. I'll\n store records\n in /var\n/lib/builder-app\n for durability\n. Actually\n let me use\n /opt/builder/data\n — but\n /opt needs\n to be persistent\n too. On NixOS\n /opt is typically\n persistent\n. But to\n be safe\n, /var/lib\n is the standard\n persistent location\n. Let me use\n /var/lib/builder-app\n/records.\n\nLet me write\n the app.", "details": [ { "format": "unknown", "index": 0, "text": "The", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " service", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " is enabled", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n but", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " failed", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " (because app", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": ".py", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n doesn't exist", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n). 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On", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " N", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "ix", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "OS\n /", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "opt is typically", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n persistent", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n. But to", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " be safe\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": ", /var/lib", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n is the", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " standard", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "\n persistent", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " location\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": ". Let", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " me use\n /", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "var/lib/builder", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "-app\n/", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": "records.\n\nLet", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " me write\n", "type": "reasoning.text" }, { "format": "unknown", "index": 0, "text": " the app.", "type": "reasoning.text" } ] }, { "type": "tool_use", "id": "call_7ccfb2873f654c0c9cac50ec", "name": "Write", "input": { "content": "#!/usr/bin/env python3\nimport os\nimport re\nimport tempfile\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\n\nSTORE_DIR = os.environ.get(\"BUILDER_STORE_DIR\", \"/var/lib/builder-app/records\")\nPORT = int(os.environ.get(\"BUILDER_PORT\", \"8080\"))\nID_RE = re.compile(r\"^[A-Za-z0-9._:-]+$\")\n\n\ndef ensure_store():\n os.makedirs(STORE_DIR, exist_ok=True)\n\n\ndef record_path(record_id):\n if not ID_RE.match(record_id) or record_id in (\".\", \"..\"):\n return None\n # Final defence: ensure the resolved path stays inside STORE_DIR.\n full = os.path.normpath(os.path.join(STORE_DIR, record_id))\n if os.path.commonpath([STORE_DIR, full]) != STORE_DIR:\n return None\n return full\n\n\ndef atomic_write(path, data):\n ensure_store()\n d = os.path.dirname(path)\n fd, tmp = tempfile.mkstemp(dir=d, prefix=\".tmp.\")\n try:\n with os.fdopen(fd, \"wb\") as f:\n f.write(data)\n f.flush()\n os.fsync(f.fileno())\n os.replace(tmp, path)\n # fsync the directory so the rename survives a crash.\n dfd = os.open(d, os.O_RDONLY)\n try:\n os.fsync(dfd)\n finally:\n os.close(dfd)\n except BaseException:\n try:\n os.unlink(tmp)\n except OSError:\n pass\n raise\n\n\nclass Handler(BaseHTTPRequestHandler):\n server_version = \"builder-app/1.0\"\n\n def log_message(self, fmt, *args):\n pass\n\n def _send(self, code, body=b\"\", content_type=None):\n self.send_response(code)\n if content_type is not None:\n self.send_header(\"Content-Type\", content_type)\n self.send_header(\"Content-Length\", str(len(body)))\n self.end_headers()\n if body:\n self.wfile.write(body)\n\n def do_GET(self):\n path = self.path.split(\"?\", 1)[0]\n if path == \"/health\":\n self._send(200, b\"ready\", \"text/plain; charset=utf-8\")\n return\n if path.startswith(\"/records/\"):\n record_id = path[len(\"/records/\"):]\n path_on_disk = record_path(record_id)\n if path_on_disk is None:\n self._send(400, b\"bad id\\n\")\n return\n if not os.path.isfile(path_on_disk):\n self._send(404, b\"not found\\n\")\n return\n with open(path_on_disk, \"rb\") as f:\n data = f.read()\n self._send(200, data)\n return\n self._send(404, b\"not found\\n\")\n\n def do_PUT(self):\n path = self.path.split(\"?\", 1)[0]\n if not path.startswith(\"/records/\"):\n self._send(404, b\"not found\\n\")\n return\n record_id = path[len(\"/records/\"):]\n path_on_disk = record_path(record_id)\n if path_on_disk is None:\n self._send(400, b\"bad id\\n\")\n return\n length = int(self.headers.get(\"Content-Length\") or 0)\n body = self.rfile.read(length) if length else b\"\"\n try:\n atomic_write(path_on_disk, body)\n except Exception:\n self._send(500, b\"write error\\n\")\n return\n self._send(204, b\"\")\n\n\ndef main():\n ensure_store()\n server = ThreadingHTTPServer((\"0.0.0.0\", PORT), Handler)\n server.daemon_threads = True\n server.serve_forever()\n\n\nif __name__ == \"__main__\":\n main()\n", "file_path": "/opt/builder/app.py" } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_7ccfb2873f654c0c9cac50ec", "content": "Successfully wrote to /opt/builder/app.py" } ] }, { "role": "assistant", "content": [ { "type": "tool_use", "id": "call_0253ace3e3aa4d0b9b86833b", "name": "Bash", "input": { "command": "mkdir -p /var/lib/builder-app/records && systemctl restart builder-app.service && sleep 1 && systemctl is-active builder-app.service && ss -ltnp 2>/dev/null | grep 8080 || true", "description": "Start the service and check it listens" } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_0253ace3e3aa4d0b9b86833b", "content": "active\nLISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=821,fd=3))\n" } ] } ], "tool_trace": [ { "id": "call_4f785e01495944429405918b", "name": "Bash", "input": { "command": "cat /etc/systemd/system/builder-app.service 2>/dev/null; echo \"---\"; systemctl cat builder-app.service 2>/dev/null; echo \"---\"; ls -la /opt/builder/ 2>/dev/null; echo \"---\"; which python3 python; python3 --version 2>&1; echo \"---\"; uname -a", "description": "Inspect existing service unit and environment" }, "output": "[Unit]\nAfter=network.target\nDescription=Agent-built application slot\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/54jg0kk0cn5h7j19r0l8x36fmbfywwjj-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/bin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/bin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/bin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/bin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/bin:/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/sbin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/sbin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/sbin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/sbin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/2nndxyf3phkb5aggxm3c16sapa0f49kz-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n---\n# /etc/systemd/system/builder-app.service -> /nix/store/bkhc7c1djj4z9s51r616fqfbc55zwdvs-unit-builder-app.service/builder-app.service\n[Unit]\nAfter=network.target\nDescription=Agent-built application slot\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/54jg0kk0cn5h7j19r0l8x36fmbfywwjj-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/bin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/bin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/bin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/bin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/bin:/nix/store/di26b1kkbammy0sj70nq5qzvfrh78wxl-coreutils-9.11/sbin:/nix/store/fcqbwp5hx5wh3lzf0457wmf0divknz7y-findutils-4.11.0/sbin:/nix/store/aak8d9mrdv9sgn0lcg7xss7wxdg9sqh3-gnugrep-3.12/sbin:/nix/store/7mfsmbhsd3arnypipwm251rcd0b45riy-gnused-4.10/sbin:/nix/store/r6sz8p6sd6c73fp9z8nzl04dri7lyx8n-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/2nndxyf3phkb5aggxm3c16sapa0f49kz-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/gxzhl7aaiid7zp3y47jqqiq7zg5mqpwp-python3-3.14.6/bin/python /opt/builder/app.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n---\n---\n/run/current-system/sw/bin/python3\n/run/current-system/sw/bin/python\nPython 3.14.6\n---\nLinux builder-three 6.18.44 #1-NixOS SMP PREEMPT_DYNAMIC Sun Aug 9 18:25:30 UTC 2026 x86_64 GNU/Linux\n", "is_error": false, "read_only": false, "started_after_ms": 3446, "duration_ms": 88 }, { "id": "call_6c99c7e1643f440db8f84ef1", "name": "Bash", "input": { "command": "ls -la /opt 2>/dev/null; echo \"---\"; ls -la /var/lib 2>/dev/null | head; echo \"---\"; systemctl is-enabled builder-app.service 2>&1; systemctl is-active builder-app.service 2>&1", "description": "Check dirs and service state" }, "output": "---\ntotal 32\ndrwxr-xr-x 8 root root 4096 Aug 14 14:59 .\ndrwxr-xr-x 9 root root 4096 Aug 14 14:59 ..\ndrwxr-xr-x 2 root root 4096 Aug 14 14:59 lastlog\ndrwx------ 2 root root 4096 Aug 14 14:59 machines\ndrwxr-xr-x 2 root root 4096 Aug 14 14:59 nixos\ndrwx------ 2 root root 4096 Aug 14 14:59 portables\ndrwx------ 2 root root 4096 Aug 14 14:59 private\ndrwxr-xr-x 8 root root 4096 Aug 14 14:59 systemd\n---\nenabled\nfailed\n\nExit code: exit status: 3", "is_error": true, "read_only": false, "started_after_ms": 14974, "duration_ms": 56 }, { "id": "call_7ccfb2873f654c0c9cac50ec", "name": "Write", "input": { "content": "#!/usr/bin/env python3\nimport os\nimport re\nimport tempfile\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\n\nSTORE_DIR = os.environ.get(\"BUILDER_STORE_DIR\", \"/var/lib/builder-app/records\")\nPORT = int(os.environ.get(\"BUILDER_PORT\", \"8080\"))\nID_RE = re.compile(r\"^[A-Za-z0-9._:-]+$\")\n\n\ndef ensure_store():\n os.makedirs(STORE_DIR, exist_ok=True)\n\n\ndef record_path(record_id):\n if not ID_RE.match(record_id) or record_id in (\".\", \"..\"):\n return None\n # Final defence: ensure the resolved path stays inside STORE_DIR.\n full = os.path.normpath(os.path.join(STORE_DIR, record_id))\n if os.path.commonpath([STORE_DIR, full]) != STORE_DIR:\n return None\n return full\n\n\ndef atomic_write(path, data):\n ensure_store()\n d = os.path.dirname(path)\n fd, tmp = tempfile.mkstemp(dir=d, prefix=\".tmp.\")\n try:\n with os.fdopen(fd, \"wb\") as f:\n f.write(data)\n f.flush()\n os.fsync(f.fileno())\n os.replace(tmp, path)\n # fsync the directory so the rename survives a crash.\n dfd = os.open(d, os.O_RDONLY)\n try:\n os.fsync(dfd)\n finally:\n os.close(dfd)\n except BaseException:\n try:\n os.unlink(tmp)\n except OSError:\n pass\n raise\n\n\nclass Handler(BaseHTTPRequestHandler):\n server_version = \"builder-app/1.0\"\n\n def log_message(self, fmt, *args):\n pass\n\n def _send(self, code, body=b\"\", content_type=None):\n self.send_response(code)\n if content_type is not None:\n self.send_header(\"Content-Type\", content_type)\n self.send_header(\"Content-Length\", str(len(body)))\n self.end_headers()\n if body:\n self.wfile.write(body)\n\n def do_GET(self):\n path = self.path.split(\"?\", 1)[0]\n if path == \"/health\":\n self._send(200, b\"ready\", \"text/plain; charset=utf-8\")\n return\n if path.startswith(\"/records/\"):\n record_id = path[len(\"/records/\"):]\n path_on_disk = record_path(record_id)\n if path_on_disk is None:\n self._send(400, b\"bad id\\n\")\n return\n if not os.path.isfile(path_on_disk):\n self._send(404, b\"not found\\n\")\n return\n with open(path_on_disk, \"rb\") as f:\n data = f.read()\n self._send(200, data)\n return\n self._send(404, b\"not found\\n\")\n\n def do_PUT(self):\n path = self.path.split(\"?\", 1)[0]\n if not path.startswith(\"/records/\"):\n self._send(404, b\"not found\\n\")\n return\n record_id = path[len(\"/records/\"):]\n path_on_disk = record_path(record_id)\n if path_on_disk is None:\n self._send(400, b\"bad id\\n\")\n return\n length = int(self.headers.get(\"Content-Length\") or 0)\n body = self.rfile.read(length) if length else b\"\"\n try:\n atomic_write(path_on_disk, body)\n except Exception:\n self._send(500, b\"write error\\n\")\n return\n self._send(204, b\"\")\n\n\ndef main():\n ensure_store()\n server = ThreadingHTTPServer((\"0.0.0.0\", PORT), Handler)\n server.daemon_threads = True\n server.serve_forever()\n\n\nif __name__ == \"__main__\":\n main()\n", "file_path": "/opt/builder/app.py" }, "output": "Successfully wrote to /opt/builder/app.py", "is_error": false, "read_only": false, "started_after_ms": 29397, "duration_ms": 0 }, { "id": "call_0253ace3e3aa4d0b9b86833b", "name": "Bash", "input": { "command": "mkdir -p /var/lib/builder-app/records && systemctl restart builder-app.service && sleep 1 && systemctl is-active builder-app.service && ss -ltnp 2>/dev/null | grep 8080 || true", "description": "Start the service and check it listens" }, "output": "active\nLISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=821,fd=3))\n", "is_error": false, "read_only": false, "started_after_ms": 32609, "duration_ms": 1103 } ], "timing": { "total_duration_ms": 33712, "model_rounds": [ { "index": 1, "started_after_ms": 0, "duration_ms": 3445, "status": "completed", "usage": { "input_tokens": 2718, "output_tokens": 165, "cache_read_tokens": 1906, "cache_creation_tokens": 0, "cost_usd": 0.00126879768 } }, { "index": 2, "started_after_ms": 3534, "duration_ms": 11439, "status": "completed", "usage": { "input_tokens": 4072, "output_tokens": 674, "cache_read_tokens": 3607, "cache_creation_tokens": 0, "cost_usd": 0.00245027796 } }, { "index": 3, "started_after_ms": 15031, "duration_ms": 14363, "status": "completed", "usage": { "input_tokens": 4964, "output_tokens": 991, "cache_read_tokens": 4473, "cache_creation_tokens": 0, "cost_usd": 0.00334139964 } }, { "index": 4, "started_after_ms": 29404, "duration_ms": 3202, "status": "completed", "usage": { "input_tokens": 5991, "output_tokens": 70, "cache_read_tokens": 5405, "cache_creation_tokens": 0, "cost_usd": 0.0013631306 } } ] } }