store navigationTiming marks as scaled floats

[graphaelli]

for #708. Amends the elasticsearch mapping template to include:

{
  "transaction.marks.navigationTiming": {
    "mapping": {
      "type": "scaled_float",
      "scaling_factor": 1000000
    },
    "match_mapping_type": "*",
    "path_match": "transaction.marks.navigationTiming.*"
  }
}

Given this event:

{
  "@timestamp": "2017-05-30T18:53:27.100Z",
  "transaction": {
    "marks": {
      "navigationTiming": {
        "appBeforeBootstrap": 608.9300000000001,
        "navigationStart": -21
      }
    }
  }
}

the current elasticsearch mapping would be:

{
  "marks": {
    "properties": {
      "navigationTiming": {
        "properties": {
          "appBeforeBootstrap": {
            "type": "float"
          },
          "navigationStart": {
            "type": "long"
          }
        }
      }
    }
  }
}

with this change, the mapping ends up:

{
  "marks": {
    "dynamic": "true",
    "properties": {
      "navigationTiming": {
        "dynamic": "true",
        "properties": {
          "appBeforeBootstrap": {
            "type": "scaled_float",
            "scaling_factor": 1000000
          },
          "navigationStart": {
            "type": "scaled_float",
            "scaling_factor": 1000000
          }
        }
      }
    }
  }
}

This is a special case update to store navigationTimings.

[simitt]

LGTM for a short term solution.
As transaction.marks can hold all kinds of objects we should investigate how we can enable this for whatever values are sent in the future.

[jalvz]

are we waiting for something to merge this?

[graphaelli]

I should have written it up here, sorry. Per @simitt's comment, I could not confirm that this change doesn't affect other objects under transaction.marks. I think an integration test would be a good addition before merging.

[graphaelli]

integration test data - @jalvz @simitt mind checking it out?

[jalvz]

need to run approvals again, these are now called some_long some_float

[graphaelli]

thanks, done