feat: build vehicle data platform and production pipeline

go/vehicle-gateway/scripts/install-fields-projector-service.sh

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+HOST=""
+REMOTE_ROOT="/opt/lingniu-go-native"
+
+usage() {
+  cat <<'USAGE'
+Usage:
+  scripts/install-fields-projector-service.sh --host root@115.29.187.205 [--remote-root DIR]
+
+Prepares the Kafka RAW-to-fields projector service. It does not disable the
+legacy bridge projection; switch BRIDGE_DERIVE_FIELDS_FROM_RAW_ENABLED only
+after the new consumer has started and its offsets are established.
+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="${REMOTE_ROOT}/env"
+projector_env="${env_dir}/fields-projector.env"
+unit="/etc/systemd/system/lingniu-go-fields-projector.service"
+mkdir -p "${env_dir}"
+
+cat >"${projector_env}" <<'ENV'
+FIELDS_PROJECTOR_GROUP_PREFIX=vehicle-fields-projector-v1
+KAFKA_START_OFFSET=last
+FIELDS_PROJECTOR_WORKERS_PER_PROTOCOL=1
+FIELDS_PROJECTOR_BATCH_SIZE=500
+FIELDS_PROJECTOR_BATCH_WAIT_MS=20
+FIELDS_PROJECTOR_OPERATION_TIMEOUT_MS=30000
+FIELDS_PROJECTOR_RETRY_DELAY_MS=500
+HEALTH_ADDR=127.0.0.1:20218
+ENV
+chmod 0640 "${projector_env}"
+
+cat >"${unit}" <<UNIT
+[Unit]
+Description=Lingniu Go RAW Fields Projector
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+WorkingDirectory=${REMOTE_ROOT}/current
+EnvironmentFile=${env_dir}/base.env
+EnvironmentFile=${projector_env}
+Environment=GOMEMLIMIT=384MiB
+ExecStart=${REMOTE_ROOT}/current/fields-projector
+Restart=always
+RestartSec=3
+LimitNOFILE=1048576
+MemoryLimit=512M
+KillSignal=SIGTERM
+TimeoutStopSec=30
+
+[Install]
+WantedBy=multi-user.target
+UNIT
+
+systemctl daemon-reload
+systemctl enable lingniu-go-fields-projector.service
+if [[ -x "${REMOTE_ROOT}/current/fields-projector" ]]; then
+  systemd-analyze verify "${unit}"
+  systemctl restart lingniu-go-fields-projector.service
+  systemctl is-active lingniu-go-fields-projector.service
+else
+  echo "fields-projector binary is not in current release yet; service prepared for the next deploy"
+fi
+echo "fields projector service prepared; bridge projection remains unchanged"
+REMOTE