完成a6000测试系统构建、部署、测试整合 (#35)

测试方案：

- lm2机器端口映射到本机：18080, 18081, 8082-8085
- 访问URL: http://localhost:18080/dashboard

![image.png](/attachments/30ed6e20-697a-4d3b-a6d3-6acccd2e9922)

![image.png](/attachments/38ef1751-0f3b-49c6-9100-f70d15617acc)

![image.png](/attachments/3be45005-9b9e-4165-8ef6-1d27405800f1)

![image.png](/attachments/eb916192-edc1-4096-8f9f-9769ab6d9039)

![image.png](/attachments/620e6efc-bd02-45ae-bba1-99a95a1b4c02)

![image.png](/attachments/986e77e7-c687-405f-a760-93282249f72f)

端到端测试通过：

![image.png](/attachments/c6e29875-4a16-4718-8b2f-368f64eb545e)

Co-authored-by: sundapeng.sdp <sundapeng@hashdata.cn>
Reviewed-on: #35
Reviewed-by: xuxt <xuxt@zgclab.edu.cn>
Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn>
Reviewed-by: huhy <husteryezi@163.com>

src/sys/tests/scripts/metric/test-node-entrypoint.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ARGUS_BUILD_UID=${ARGUS_BUILD_UID:-2133}
+ARGUS_BUILD_GID=${ARGUS_BUILD_GID:-2015}
+AGENT_ROOT=${AGENT_ROOT:-/private/argus/agent}
+PREPARED_FLAG="/tmp/.metric_node_prepared"
+
+export DEBIAN_FRONTEND=${DEBIAN_FRONTEND:-noninteractive}
+
+if [[ ! -f "$PREPARED_FLAG" ]]; then
+  apt-get update -qq
+  apt-get install -y -qq \
+    curl \
+    net-tools \
+    iproute2 \
+    lsof \
+    procps \
+    ca-certificates \
+    gnupg2 || {
+      echo "[metric-node] Failed to install base packages" >&2
+      exit 1
+    }
+
+  mkdir -p "$(dirname "$PREPARED_FLAG")"
+  touch "$PREPARED_FLAG"
+fi
+
+if [[ -n "${TZ:-}" ]]; then
+  ln -snf "/usr/share/zoneinfo/${TZ}" /etc/localtime 2>/dev/null || true
+  echo "$TZ" > /etc/timezone 2>/dev/null || true
+fi
+
+mkdir -p "$AGENT_ROOT"
+chown -R "${ARGUS_BUILD_UID}:${ARGUS_BUILD_GID}" "$AGENT_ROOT" 2>/dev/null || true
+
+if [[ "${METRIC_NODE_ROLE:-cpu}" == "gpu" ]]; then
+  if ! command -v nvidia-smi >/dev/null 2>&1; then
+    echo "[metric-node] nvidia-smi not available but GPU role requested" >&2
+    exit 1
+  fi
+  nvidia-smi || true
+fi
+
+exec "$@"