constants

Documentation

Index

• Constants

Constants

const (

	// Component For Sarama Config
	Component = "eventing-kafka-channel-controller"

	// Kafka Admin Type Types
	KafkaAdminTypeValueKafka  = "kafka"
	KafkaAdminTypeValueAzure  = "azure"
	KafkaAdminTypeValueCustom = "custom"

	// The Controller's Component Name (Needs To Be DNS Safe!)
	ControllerComponentName = "eventing-kafka-channel-controller"

	// Knative Duck Versions
	SubscribableDuckVersionAnnotationV1 = "v1"

	// CRD Kinds
	SecretKind              = "Secret"
	ConfigMapKind           = "ConfigMap"
	ServiceKind             = "Service"
	DeploymentKind          = "Deployment"
	KnativeSubscriptionKind = "Subscription"
	KafkaChannelKind        = "KafkaChannel"

	// HTTP Port
	HttpPortName = "http"
	// IMPORTANT: HttpServicePort is the inbound port of the service resource. It must be 80 because the
	// Channel resource's url doesn't currently have a port set. Therefore, any client using just the url
	// will send to port 80 by default.
	HttpServicePortNumber = 80
	// IMPORTANT: HttpContainerPortNumber must be 8080 due to dependency issues in the channel. This variable
	// is necessary in order to reconcile the channel resources (service, deployment, etc) correctly.
	// Refer to: https://knative.dev/eventing-kafka/blob/master/cmd/channel/main.go
	HttpContainerPortNumber = 8080

	// Prometheus MetricsPort
	MetricsPortName = "metrics"

	// Reconciliation Error Messages
	ReconciliationFailedError = "reconciliation failed"
	FinalizationFailedError   = "finalization failed"

	// Eventing-Kafka Finalizers Prefix
	EventingKafkaFinalizerPrefix = "eventing-kafka/"
	KafkaChannelFinalizerSuffix  = "kafkachannels.messaging.knative.dev" // Matches default value in client/injection/reconciler/messaging/v1beta1/kafkachannel

	// Container Names
	DispatcherContainerName = "kafkachannel-dispatcher"
	ReceiverContainerName   = "kafkachannel-receiver"

	// Labels
	AppLabel                    = "app"
	KafkaChannelNameLabel       = "kafkachannel-name"
	KafkaChannelNamespaceLabel  = "kafkachannel-namespace"
	KafkaChannelReceiverLabel   = "kafkachannel-receiver"   // Receiver Label - Used To Mark Deployment As Receiver
	KafkaChannelDispatcherLabel = "kafkachannel-dispatcher" // Dispatcher Label - Used To Mark Deployment As Dispatcher
	KafkaTopicLabel             = "kafkaTopic"              // Topic Label - Indicates The Kafka Topic Of The KnativeChannel

	// Prometheus ServiceMonitor Selector Labels / Values
	K8sAppChannelSelectorLabel    = "k8s-app"
	K8sAppChannelSelectorValue    = "eventing-kafka-channels"
	K8sAppDispatcherSelectorLabel = "k8s-app"
	K8sAppDispatcherSelectorValue = "eventing-kafka-dispatchers"

	// Health Configuration
	// Note that many of these are the default values for a corev1 "Probe" struct,
	// but we explicitly set them here so that the difference between "0, therefore default"
	// and a specific value doesn't cause CheckDeploymentChanged to create spurious distinctions
	HealthPort                          = 8082
	ChannelLivenessDelay                = 30
	ChannelLivenessPeriod               = 5
	ChannelLivenessTimeout              = 10
	ChannelLivenessSuccessThreshold     = 1
	ChannelLivenessFailureThreshold     = 3
	ChannelReadinessDelay               = 30
	ChannelReadinessPeriod              = 5
	ChannelReadinessTimeout             = 10
	ChannelReadinessSuccessThreshold    = 1
	ChannelReadinessFailureThreshold    = 3
	DispatcherLivenessDelay             = 30
	DispatcherLivenessPeriod            = 5
	DispatcherLivenessTimeout           = 10
	DispatcherLivenessSuccessThreshold  = 1
	DispatcherLivenessFailureThreshold  = 3
	DispatcherReadinessDelay            = 30
	DispatcherReadinessPeriod           = 5
	DispatcherReadinessTimeout          = 10
	DispatcherReadinessSuccessThreshold = 1
	DispatcherReadinessFailureThreshold = 3
)