aggregation for binary annotations

gistfile1.txt

# this returns all of the annotation values, not just the http.url
# for more.. https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html
curl -s 'localhost:9200/zipkin-*/span/_search' -d'{
  "_source": false,
  "aggs": {
    "binaryAnnotations": {
      "nested": {
         "path": "binaryAnnotations"
      },
      "aggs" : {
        "value": {
          "terms": {
            "field": "binaryAnnotations.value"
          }
        }
      }
    }
  },
  "query": {
    "bool": {
      "filter": {
        "bool": {
          "should": [
            {
              "nested": {
                "path": "binaryAnnotations",
                "query": {
                  "bool": {
                    "must": {
                      "term": {
                        "binaryAnnotations.key": "http.url"
                      }
                    }
                  }
                }
              }
            },
            {
              "nested": {
                "path": "binaryAnnotations",
                "query": {
                  "bool": {
                    "must": {
                      "term": {
                        "binaryAnnotations.endpoint.serviceName": "brave-webmvc-example"
                      }
                    }
                  }
                }
              }
            }
          ]
        }
      }
    }
  }
}'