add consul test

docker/registrar.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+set -eu
+
+: "${SERVICE_NAME:?need SERVICE_NAME}"
+: "${SERVICE_ADDR:?need SERVICE_ADDR}"
+: "${SERVICE_PORT:?need SERVICE_PORT}"
+CONSUL="${CONSUL_HTTP_ADDR:-http://127.0.0.1:8500}"
+
+echo "[registrar] waiting consul agent at $CONSUL ..."
+for i in $(seq 1 60); do
+  if wget -qO- "$CONSUL/v1/status/leader" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+
+ID="${SERVICE_NAME}-${SERVICE_ADDR}-${SERVICE_PORT}"
+
+cat > /tmp/svc.json <<EOF
+{
+  "service": {
+    "id": "${ID}",
+    "name": "${SERVICE_NAME}",
+    "address": "${SERVICE_ADDR}",
+    "port": ${SERVICE_PORT},
+    "check": {
+      "http": "http://${SERVICE_ADDR}:${SERVICE_PORT}/",
+      "interval": "10s",
+      "timeout": "2s"
+    }
+  }
+}
+EOF
+
+echo "[registrar] registering ${ID} ..."
+consul services register -http-addr="$CONSUL" /tmp/svc.json
+
+term() {
+  echo "[registrar] deregister ${ID} ..."
+  consul services deregister -http-addr="$CONSUL" /tmp/svc.json || true
+  exit 0
+}
+trap term TERM INT
+
+tail -f /dev/null
+