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make api request verb can be overrided and make "GET" pod log request reported as "CONNECT" pod log request for metrics

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This commit is contained in:
Chenxingyu 2017-08-04 11:08:36 +08:00
parent bc35234269
commit e49315f2db
2 changed files with 28 additions and 1 deletions
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11
pkg/registry/core/pod/rest/log.go
View File

@ -87,3 +87,14 @@ func (r *LogREST) Get(ctx genericapirequest.Context, name string, opts runtime.O
func (r *LogREST) NewGetOptions() (runtime.Object, bool, string) {
return &api.PodLogOptions{}, false, ""
}
// OverrideMetricsVerb override the GET verb to CONNECT for pod log resource
func (r *LogREST) OverrideMetricsVerb(oldVerb string) (newVerb string) {
newVerb = oldVerb
if oldVerb == "GET" {
newVerb = "CONNECT"
}
return
}

18
staging/src/k8s.io/apiserver/pkg/endpoints/installer.go
View File

@ -64,6 +64,12 @@ type action struct {
AllNamespaces bool // true iff the action is namespaced but works on aggregate result for all namespaces
}
// An interface to see if one storage supports override its default verb for monitoring
type StorageMetricsOverride interface {
// OverrideMetricsVerb gives a storage object an opportunity to override the verb reported to the metrics endpoint
OverrideMetricsVerb(oldVerb string) (newVerb string)
}
// An interface to see if an object supports swagger documentation as a method
type documentable interface {
SwaggerDoc() map[string]string
@ -593,6 +599,9 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
}
kind = fqParentKind.Kind
}
verbOverrider, needOverride := storage.(StorageMetricsOverride)
switch action.Verb {
case "GET": // Get a resource.
var handler restful.RouteFunction
@ -601,7 +610,14 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
} else {
handler = restfulGetResource(getter, exporter, reqScope)
}
handler = metrics.InstrumentRouteFunc(action.Verb, resource, subresource, namespaceScope, handler)
if needOverride {
// need change the reported verb
handler = metrics.InstrumentRouteFunc(verbOverrider.OverrideMetricsVerb(action.Verb), resource, subresource, namespaceScope, handler)
} else {
handler = metrics.InstrumentRouteFunc(action.Verb, resource, subresource, namespaceScope, handler)
}
if a.enableAPIResponseCompression {
handler = genericfilters.RestfulWithCompression(handler, a.group.Context)
}