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Fix issue where Domain to UI model converter double reports the same … #579

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Merged
yurishkuro merged 4 commits into from
Dec 4, 2017
Merged

Fix issue where Domain to UI model converter double reports the same … #579

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42ba40f
Fix issue where Domain to UI model converter double reports the same …
black-adder Dec 4, 2017
264f056
fixes
black-adder Dec 4, 2017
5c7a4c2
fixes
black-adder Dec 4, 2017
8926820
remove useless comment
black-adder Dec 4, 2017
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21 changes: 21 additions & 0 deletions model/converter/json/fixtures/domain_01.json
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,27 @@
"warnings": [
"some span warning"
]
},
{
"traceID": "1",
"spanID": "5",
"parentSpanID": "4",
"operationName": "preserveParentID-test",
"references": [
{
"refType": "child-of",
"traceID": "1",
"spanID": "4"
}
],
"startTime": "2017-01-26T16:46:31.639875139-05:00",
"duration": 4000,
"process": {
"serviceName": "service-y"
},
"warnings": [
"some span warning"
]
}
],
"warnings": [
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20 changes: 20 additions & 0 deletions model/converter/json/fixtures/ui_01.json
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,26 @@
"warnings": [
"some span warning"
]
},
{
"traceID": "1",
"spanID": "5",
"operationName": "preserveParentID-test",
"references": [
{
"refType": "CHILD_OF",
"traceID": "1",
"spanID": "4"
}
],
"startTime": 1485467191639875,
"duration": 4,
"tags": [],
"logs": [],
"processID": "p2",
"warnings": [
"some span warning"
]
}
],
"processes": {
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16 changes: 12 additions & 4 deletions model/converter/json/from_domain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -97,19 +97,27 @@ func (fd fromDomain) convertReferences(span *model.Span, preserveParentID bool)
length++
}
out := make([]json.Reference, 0, length)
var parentRef json.Reference
if span.ParentSpanID != 0 && !preserveParentID {
out = append(out, json.Reference{
// TODO this (wrongly) assumes that the reference type is always ChildOf
parentRef = json.Reference{
RefType: json.ChildOf,
TraceID: json.TraceID(span.TraceID.String()),
SpanID: json.SpanID(span.ParentSpanID.String()),
})
}
out = append(out, parentRef)
}
for _, ref := range span.References {
out = append(out, json.Reference{
// TODO if the parentRef was wrongly added as a ChildOf ref above, this could
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@black-adder black-adder Dec 4, 2017

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For this TODO, it might be easier to keep track of parentRef but not add it until we're done with this for loop and if the reference isn't added, add it post. This way, if the reference should be a FollowsFrom, we don't double report.

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@yurishkuro yurishkuro Dec 4, 2017

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do you want to fix it for good then?

// potentially add a FollowsFrom ref and still keep the ChildOf ref
newRef := json.Reference{
RefType: fd.convertRefType(ref.RefType),
TraceID: json.TraceID(ref.TraceID.String()),
SpanID: json.SpanID(ref.SpanID.String()),
})
}
if newRef != parentRef {
out = append(out, newRef)
}
}
return out
}
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