feat: build vehicle data platform and production pipeline

go/vehicle-gateway/scripts/install-identity-writer-service.sh

@@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+HOST=""
+REMOTE_ROOT="/opt/lingniu-go-native"
+
+usage() {
+  cat <<'USAGE'
+Usage:
+  scripts/install-identity-writer-service.sh --host root@115.29.187.205 [--remote-root DIR]
+
+Prepares the native identity-writer service and switches Gateway registration
+persistence to Kafka delegation. The existing Gateway binary ignores the new
+environment switch, so this is safe to run before staging the first release
+that contains identity-writer.
+USAGE
+}
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --host)
+      HOST="${2:-}"
+      shift 2
+      ;;
+    --remote-root)
+      REMOTE_ROOT="${2:-}"
+      shift 2
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "unknown argument: $1" >&2
+      usage >&2
+      exit 2
+      ;;
+  esac
+done
+
+if [[ -z "$HOST" ]]; then
+  echo "--host is required" >&2
+  exit 2
+fi
+
+ssh "$HOST" "REMOTE_ROOT='$REMOTE_ROOT' bash -s" <<'REMOTE'
+set -euo pipefail
+
+env_dir="${REMOTE_ROOT}/env"
+gateway_env="${env_dir}/gateway.env"
+identity_env="${env_dir}/identity-writer.env"
+unit="/etc/systemd/system/lingniu-go-identity-writer.service"
+mkdir -p "${env_dir}"
+
+cat >"${identity_env}" <<'ENV'
+KAFKA_GROUP=go-identity-writer
+KAFKA_TOPIC=vehicle.raw.go.jt808.v1
+KAFKA_START_OFFSET=last
+HEALTH_ADDR=127.0.0.1:20217
+MYSQL_ENSURE_SCHEMA=true
+MYSQL_MAX_OPEN_CONNS=8
+MYSQL_MAX_IDLE_CONNS=4
+MYSQL_CONN_MAX_LIFETIME_SECONDS=300
+IDENTITY_WRITER_BATCH_SIZE=500
+IDENTITY_WRITER_BATCH_WAIT_MS=20
+IDENTITY_WRITER_RETRY_DELAY_MS=1000
+JT808_REGISTRATION_LOCATION_TOUCH_INTERVAL_SECONDS=600
+LOCAL_TZ=Asia/Shanghai
+ENV
+chmod 0640 "${identity_env}"
+
+touch "${gateway_env}"
+if grep -q '^JT808_REGISTRATION_GATEWAY_WRITES_ENABLED=' "${gateway_env}"; then
+  sed -i 's/^JT808_REGISTRATION_GATEWAY_WRITES_ENABLED=.*/JT808_REGISTRATION_GATEWAY_WRITES_ENABLED=false/' "${gateway_env}"
+else
+  printf '\nJT808_REGISTRATION_GATEWAY_WRITES_ENABLED=false\n' >>"${gateway_env}"
+fi
+
+cat >"${unit}" <<UNIT
+[Unit]
+Description=Lingniu Go JT808 Identity Writer
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+WorkingDirectory=${REMOTE_ROOT}/current
+EnvironmentFile=${env_dir}/base.env
+EnvironmentFile=${identity_env}
+Environment=GOMEMLIMIT=192MiB
+ExecStart=${REMOTE_ROOT}/current/identity-writer
+Restart=always
+RestartSec=3
+LimitNOFILE=1048576
+MemoryLimit=256M
+KillSignal=SIGTERM
+TimeoutStopSec=30
+
+[Install]
+WantedBy=multi-user.target
+UNIT
+
+systemctl daemon-reload
+systemctl enable lingniu-go-identity-writer.service
+if [[ -x "${REMOTE_ROOT}/current/identity-writer" ]]; then
+  systemd-analyze verify "${unit}"
+  systemctl restart lingniu-go-identity-writer.service
+  systemctl is-active lingniu-go-identity-writer.service
+else
+  echo "identity-writer binary is not in current release yet; service prepared for the next deploy"
+fi
+echo "identity writer service prepared; gateway MySQL registration writes delegated"
+REMOTE