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0f89c9b7bc
Ingress load balancer is achieved via a service sandbox which acts as the proxy to translate incoming node port requests and mapping that to a service entry. Once the right service is identified, the same internal loadbalancer implementation is used to load balance to the right backend instance. Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
66 lines
2.2 KiB
Protocol Buffer
66 lines
2.2 KiB
Protocol Buffer
syntax = "proto3";
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import "gogoproto/gogo.proto";
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package libnetwork;
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option (gogoproto.marshaler_all) = true;
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option (gogoproto.unmarshaler_all) = true;
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option (gogoproto.stringer_all) = true;
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option (gogoproto.gostring_all) = true;
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option (gogoproto.sizer_all) = true;
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option (gogoproto.goproto_stringer_all) = false;
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// EndpointRecord specifies all the endpoint specific information that
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// needs to gossiped to nodes participating in the network.
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message EndpointRecord {
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// Name of the endpoint
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string name = 1;
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// Service name of the service to which this endpoint belongs.
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string service_name = 2;
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// Service ID of the service to which this endpoint belongs.
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string service_id = 3 [(gogoproto.customname) = "ServiceID"];
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// Virtual IP of the service to which this endpoint belongs.
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string virtual_ip = 4 [(gogoproto.customname) = "VirtualIP"];
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// IP assigned to this endpoint.
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string endpoint_ip = 5 [(gogoproto.customname) = "EndpointIP"];
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// IngressPorts exposed by the service to which this endpoint belongs.
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repeated PortConfig ingress_ports = 6;
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}
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// PortConfig specifies an exposed port which can be
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// addressed using the given name. This can be later queried
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// using a service discovery api or a DNS SRV query. The node
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// port specifies a port that can be used to address this
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// service external to the cluster by sending a connection
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// request to this port to any node on the cluster.
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message PortConfig {
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enum Protocol {
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option (gogoproto.goproto_enum_prefix) = false;
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TCP = 0 [(gogoproto.enumvalue_customname) = "ProtocolTCP"];
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UDP = 1 [(gogoproto.enumvalue_customname) = "ProtocolUDP"];
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}
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// Name for the port. If provided the port information can
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// be queried using the name as in a DNS SRV query.
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string name = 1;
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// Protocol for the port which is exposed.
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Protocol protocol = 2;
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// The port which the application is exposing and is bound to.
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uint32 port = 3;
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// NodePort specifies the port on which the service is
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// exposed on all nodes on the cluster. If not specified an
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// arbitrary port in the node port range is allocated by the
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// system. If specified it should be within the node port
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// range and it should be available.
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uint32 node_port = 4;
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}
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