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wellknownports.go
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wellknownports.go
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/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package wellknownports
const (
// KubeAPIServer is the port where kube-apiserver listens.
KubeAPIServer = 443
// KopsControllerPort is the port where kops-controller listens.
KopsControllerPort = 3988
// NodeLocalDNSHealthCheck is the port where the node-local-dns health check listens.
NodeLocalDNSHealthCheck = 3989
// KubeAPIServerHealthCheck is the port where kube-apiserver-healthcheck listens.
KubeAPIServerHealthCheck = 3990
EtcdCiliumGRPC = 3991
EtcdCiliumQuarantinedClientPort = 3992
// DNSControllerGossipMemberlist is the port where dns-controller listens for the memberlist-backed gossip
DNSControllerGossipMemberlist = 3993
// EtcdMainQuarantinedClientPort is the port used by etcd when quarantined, for the main etcd
EtcdMainQuarantinedClientPort = 3994
// EtcdEventsQuarantinedClientPort is the port used by etcd when quarantined, for the events etcd
EtcdEventsQuarantinedClientPort = 3995
// EtcdMainGRPC is the GRPC port used by etcd-manager, for the main etcd
EtcdMainGRPC = 3996
// EtcdEventsGRPC is the GRPC port used by etcd-manager, for the events etcd
EtcdEventsGRPC = 3997
// DNSControllerGossipWeaveMesh is the port where dns-controller listens for the weave-mesh backend gossip
DNSControllerGossipWeaveMesh = 3998
// ProtokubeGossipWeaveMesh is the port where protokube listens for the weave-mesh-backed gossip
ProtokubeGossipWeaveMesh = 3999
// ProtokubeGossipMemberlist is the port where protokube listens for the memberlist-backed gossip
ProtokubeGossipMemberlist = 4000
// CiliumOperatorPrometheusPort is the port the Cilium Operator exposes metrics
CiliumPrometheusOperatorPort = 6942
// 4001 is etcd main, 4002 is etcd events, 4003 is etcd cilium
// CiliumPrometheusPort is the default port where Cilium exposes metrics
CiliumPrometheusPort = 9090
// CiliumHubblePrometheusPort is the default port where Hubble exposes metrics
CiliumHubblePrometheusPort = 9091
// VxlanUDP is the port used by VXLAN tunneling over UDP
VxlanUDP = 8472
)
type PortRange struct {
Min int
Max int
}
func DNSGossipPortRanges() []PortRange {
return []PortRange{
// 3993 is used by dns-controller, which is less important, so we might be able to drop it
{Min: 3993, Max: 3993},
{Min: 3998, Max: 4000},
}
}
func ETCDPortRanges() []PortRange {
return []PortRange{
{Min: 3994, Max: 3997},
}
}