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logs: add support for logging the http query (#4390)

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* config: add customization options for logging

* config: validate log fields

* proxy: add support for logging http request headers

* log subset of headers

* add support for logging the http query

* fix test name

* use strings.Cut, add unit tests
This commit is contained in:
Caleb Doxsey 2023-07-25 12:56:49 -06:00 • committed by GitHub
parent 8401170443
commit baf8918676
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 186 additions and 21 deletions
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20
internal/controlplane/grpc_accesslog.go
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@ -51,20 +51,25 @@ func populateLogEvent(
evt *zerolog.Event,
entry *envoy_data_accesslog_v3.HTTPAccessLogEntry,
) *zerolog.Event {
referer, _, _ := strings.Cut(entry.GetRequest().GetReferer(), "?")
path, query, _ := strings.Cut(entry.GetRequest().GetPath(), "?")
switch field {
case log.AccessLogFieldAuthority:
return evt.Str(string(field), entry.GetRequest().GetAuthority())
case log.AccessLogFieldDuration:
dur := entry.CommonProperties.TimeToLastDownstreamTxByte.AsDuration()
dur := entry.GetCommonProperties().GetTimeToLastDownstreamTxByte().AsDuration()
return evt.Dur(string(field), dur)
case log.AccessLogFieldForwardedFor:
return evt.Str(string(field), entry.GetRequest().GetForwardedFor())
case log.AccessLogFieldMethod:
return evt.Str(string(field), entry.GetRequest().GetRequestMethod().String())
case log.AccessLogFieldPath:
return evt.Str(string(field), stripQueryString(entry.GetRequest().GetPath()))
return evt.Str(string(field), path)
case log.AccessLogFieldQuery:
return evt.Str(string(field), query)
case log.AccessLogFieldReferer:
return evt.Str(string(field), stripQueryString(entry.GetRequest().GetReferer()))
return evt.Str(string(field), referer)
case log.AccessLogFieldRequestID:
return evt.Str(string(field), entry.GetRequest().GetRequestId())
case log.AccessLogFieldResponseCode:
@ -72,7 +77,7 @@ func populateLogEvent(
case log.AccessLogFieldResponseCodeDetails:
return evt.Str(string(field), entry.GetResponse().GetResponseCodeDetails())
case log.AccessLogFieldSize:
return evt.Uint64(string(field), entry.Response.ResponseBodyBytes)
return evt.Uint64(string(field), entry.GetResponse().GetResponseBodyBytes())
case log.AccessLogFieldUpstreamCluster:
return evt.Str(string(field), entry.GetCommonProperties().GetUpstreamCluster())
case log.AccessLogFieldUserAgent:
@ -81,10 +86,3 @@ func populateLogEvent(
return evt
}
}
func stripQueryString(str string) string {
if idx := strings.Index(str, "?"); idx != -1 {
str = str[:idx]
}
return str
}