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Add missing features to ingress metrics #1233

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merged 1 commit into from
Aug 28, 2020
+222 −73
Merged

Add missing features to ingress metrics #1233

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9 changes: 8 additions & 1 deletion pkg/controller/controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -591,7 +591,14 @@ func (lbc *LoadBalancerController) sync(key string) error {
lbc.ctx.Recorder(ing.Namespace).Eventf(ing, apiv1.EventTypeWarning, events.SyncIngress, "Error syncing to GCP: %v", syncErr.Error())
} else {
// Insert/update the ingress state for metrics after successful sync.
lbc.metrics.SetIngress(key, metrics.NewIngressState(ing, urlMap.AllServicePorts()))
var fc *frontendconfigv1beta1.FrontendConfig
if flags.F.EnableFrontendConfig {
fc, err = frontendconfig.FrontendConfigForIngress(lbc.ctx.FrontendConfigs().List(), ing)
if err != nil {
return err
}
}
lbc.metrics.SetIngress(key, metrics.NewIngressState(ing, fc, urlMap.AllServicePorts()))
}

// Garbage collection will occur regardless of an error occurring. If an error occurred,
Expand Down
61 changes: 43 additions & 18 deletions pkg/metrics/features.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,8 @@ import (
"strconv"

"k8s.io/api/networking/v1beta1"
"k8s.io/ingress-gce/pkg/annotations"
frontendconfigv1beta1 "k8s.io/ingress-gce/pkg/apis/frontendconfig/v1beta1"
"k8s.io/ingress-gce/pkg/utils"
"k8s.io/klog"
)
Expand All @@ -44,36 +46,38 @@ const (
// certificate for the Ingress controller to use.
preSharedCertKey = "ingress.gcp.kubernetes.io/pre-shared-cert"
managedCertKey = "networking.gke.io/managed-certificates"
// StaticIPNameKey tells the Ingress controller to use a specific GCE
// StaticGlobalIPNameKey tells the Ingress controller to use a specific GCE
// static ip for its forwarding rules. If specified, the Ingress controller
// assigns the static ip by this name to the forwarding rules of the given
// Ingress. The controller *does not* manage this ip, it is the users
// responsibility to create/delete it.
StaticIPNameKey = "kubernetes.io/ingress.global-static-ip-name"
StaticGlobalIPNameKey = "kubernetes.io/ingress.global-static-ip-name"
// staticIPKey is the annotation key used by controller to record GCP static ip.
staticIPKey = "ingress.kubernetes.io/static-ip"
// SSLCertKey is the annotation key used by controller to record GCP ssl cert.
SSLCertKey = "ingress.kubernetes.io/ssl-cert"

ingress = feature("Ingress")
externalIngress = feature("ExternalIngress")
internalIngress = feature("InternalIngress")
httpEnabled = feature("HTTPEnabled")
hostBasedRouting = feature("HostBasedRouting")
pathBasedRouting = feature("PathBasedRouting")
tlsTermination = feature("TLSTermination")
secretBasedCertsForTLS = feature("SecretBasedCertsForTLS")
preSharedCertsForTLS = feature("PreSharedCertsForTLS")
managedCertsForTLS = feature("ManagedCertsForTLS")
staticGlobalIP = feature("StaticGlobalIP")
managedStaticGlobalIP = feature("ManagedStaticGlobalIP")
specifiedStaticGlobalIP = feature("SpecifiedStaticGlobalIP")
ingress = feature("Ingress")
externalIngress = feature("ExternalIngress")
internalIngress = feature("InternalIngress")
httpEnabled = feature("HTTPEnabled")
hostBasedRouting = feature("HostBasedRouting")
pathBasedRouting = feature("PathBasedRouting")
tlsTermination = feature("TLSTermination")
secretBasedCertsForTLS = feature("SecretBasedCertsForTLS")
preSharedCertsForTLS = feature("PreSharedCertsForTLS")
managedCertsForTLS = feature("ManagedCertsForTLS")
staticGlobalIP = feature("StaticGlobalIP")
managedStaticGlobalIP = feature("ManagedStaticGlobalIP")
specifiedStaticGlobalIP = feature("SpecifiedStaticGlobalIP")
specifiedStaticRegionalIP = feature("SpecifiedStaticRegionalIP")

servicePort = feature("L7LBServicePort")
externalServicePort = feature("L7XLBServicePort")
internalServicePort = feature("L7ILBServicePort")
neg = feature("NEG")

// BackendConfig Features
cloudCDN = feature("CloudCDN")
cloudArmor = feature("CloudArmor")
cloudIAP = feature("CloudIAP")
Expand All @@ -82,6 +86,10 @@ const (
clientIPAffinity = feature("ClientIPAffinity")
cookieAffinity = feature("CookieAffinity")
customRequestHeaders = feature("CustomRequestHeaders")
customHealthChecks = feature("CustomHealthChecks")

// FrontendConfig Features
sslPolicy = feature("SSLPolicy")

standaloneNeg = feature("StandaloneNEG")
ingressNeg = feature("IngressNEG")
Expand All @@ -102,7 +110,7 @@ const (
)

// featuresForIngress returns the list of features for given ingress.
func featuresForIngress(ing *v1beta1.Ingress) []feature {
func featuresForIngress(ing *v1beta1.Ingress, fc *frontendconfigv1beta1.FrontendConfig) []feature {
features := []feature{ingress}

ingKey := fmt.Sprintf("%s/%s", ing.Namespace, ing.Name)
Expand Down Expand Up @@ -191,15 +199,27 @@ func featuresForIngress(ing *v1beta1.Ingress) []feature {
if val, ok := ingAnnotations[staticIPKey]; ok && val != "" {
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Does this mean user has to specify both staticIPKey and StaticGlobalIPNameKey in order to use a given ip address name? Why do we need 2?

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oh, no staticIPKey is used as a status annotation

klog.V(6).Infof("Static IP for ingress %s: %s", ingKey, val)
features = append(features, staticGlobalIP)

// Check if user specified static ip annotation exists.
if val, ok = ingAnnotations[StaticIPNameKey]; ok {
if val, ok = ingAnnotations[StaticGlobalIPNameKey]; ok {
klog.V(6).Infof("User specified static IP for ingress %s: %s", ingKey, val)
features = append(features, specifiedStaticGlobalIP)
} else {
features = append(features, managedStaticGlobalIP)
}
}

// Check for regional static IP
// We do this separately from the global static IP because Controller does not
// populate StaticIPKey annotation when processing Regional static IP.
if val, ok := ingAnnotations[annotations.RegionalStaticIPNameKey]; ok && val != "" {
features = append(features, specifiedStaticRegionalIP)
}

// FrontendConfig Features
if fc != nil && fc.Spec.SslPolicy != nil && *fc.Spec.SslPolicy != "" {
features = append(features, sslPolicy)
}

klog.V(4).Infof("Features for ingress %s: %v", ingKey, features)
return features
}
Expand Down Expand Up @@ -275,6 +295,11 @@ func featuresForServicePort(sp utils.ServicePort) []feature {
klog.V(6).Infof("Custom request headers configured for service port %s: %v", svcPortKey, sp.BackendConfig.Spec.CustomRequestHeaders.Headers)
features = append(features, customRequestHeaders)
}
if sp.BackendConfig.Spec.HealthCheck != nil {
klog.V(6).Infof("Custom health check configured for service port %s: %v", svcPortKey, sp.BackendConfig.Spec.HealthCheck)
features = append(features, customHealthChecks)
}

klog.V(4).Infof("Features for Service port %s: %v", svcPortKey, features)
return features
}
8 changes: 5 additions & 3 deletions pkg/metrics/metrics.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import (
"github.com/prometheus/client_golang/prometheus"
"k8s.io/api/networking/v1beta1"
"k8s.io/apimachinery/pkg/util/wait"
frontendconfigv1beta1 "k8s.io/ingress-gce/pkg/apis/frontendconfig/v1beta1"
"k8s.io/ingress-gce/pkg/flags"
"k8s.io/ingress-gce/pkg/utils"
"k8s.io/klog"
Expand Down Expand Up @@ -77,8 +78,8 @@ func init() {
}

// NewIngressState returns ingress state for given ingress and service ports.
func NewIngressState(ing *v1beta1.Ingress, svcPorts []utils.ServicePort) IngressState {
return IngressState{ingress: ing, servicePorts: svcPorts}
func NewIngressState(ing *v1beta1.Ingress, fc *frontendconfigv1beta1.FrontendConfig, svcPorts []utils.ServicePort) IngressState {
return IngressState{ingress: ing, frontendconfig: fc, servicePorts: svcPorts}
}

// ControllerMetrics contains the state of the all ingresses.
Expand Down Expand Up @@ -234,7 +235,7 @@ func (im *ControllerMetrics) computeIngressMetrics() (map[feature]int, map[featu
currIngFeatures := make(map[feature]bool)
klog.V(6).Infof("Computing frontend based features for ingress %s", ingKey)
// Add frontend associated ingress features.
for _, feature := range featuresForIngress(ingState.ingress) {
for _, feature := range featuresForIngress(ingState.ingress, ingState.frontendconfig) {
currIngFeatures[feature] = true
}
klog.V(6).Infof("Frontend based features for ingress %s: %v", ingKey, currIngFeatures)
Expand Down Expand Up @@ -371,6 +372,7 @@ func initializeCounts() (map[feature]int, map[feature]int) {
clientIPAffinity: 0,
cookieAffinity: 0,
customRequestHeaders: 0,
sslPolicy: 0,
},
// service port counts
map[feature]int{
Expand Down
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