searching for multiple service names

search-for-two.sh

# substitute 2017-01-18 for the correct date and foo and bar for the two services names you're interested in
curl -s localhost:9200/zipkin-2017-01-18/span/_search -d'{
  "query": {
    "bool": {
      "should": [
        {
          "nested": {
            "path": "annotations",
            "query": {
              "bool": {
                "must": {
                  "term": {
                    "annotations.endpoint.serviceName": "foo"
                  }
                }
              }
            }
          }
        },
        {
          "nested": {
            "path": "annotations",
            "query": {
              "bool": {
                "must": {
                  "term": {
                    "annotations.endpoint.serviceName": "bar"
                  }
                }
              }
            }
          }
        }
      ]
    }
  }
}'|jq '.hits.hits[]|._source.traceId'|uniq