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63 lines
2.2 KiB
63 lines
2.2 KiB
syntax = "proto3"; |
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package envoy.api.v2; |
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option java_generic_services = true; |
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import "envoy/api/v2/discovery.proto"; |
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import "envoy/api/v2/endpoint/endpoint.proto"; |
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import "google/api/annotations.proto"; |
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import "validate/validate.proto"; |
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import "gogoproto/gogo.proto"; |
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option (gogoproto.equal_all) = true; |
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// [#protodoc-title: EDS] |
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service EndpointDiscoveryService { |
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// The resource_names field in DiscoveryRequest specifies a list of clusters |
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// to subscribe to updates for. |
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rpc StreamEndpoints(stream DiscoveryRequest) returns (stream DiscoveryResponse) { |
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} |
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rpc FetchEndpoints(DiscoveryRequest) returns (DiscoveryResponse) { |
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option (google.api.http) = { |
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post: "/v2/discovery:endpoints" |
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body: "*" |
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}; |
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} |
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} |
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// Each route from RDS will map to a single cluster or traffic split across |
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// clusters using weights expressed in the RDS WeightedCluster. |
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// |
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// With EDS, each cluster is treated independently from a LB perspective, with |
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// LB taking place between the Localities within a cluster and at a finer |
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// granularity between the hosts within a locality. For a given cluster, the |
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// effective weight of a host is its load_balancing_weight multiplied by the |
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// load_balancing_weight of its Locality. |
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message ClusterLoadAssignment { |
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// Name of the cluster. This will be the :ref:`service_name |
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// <envoy_api_field_Cluster.EdsClusterConfig.service_name>` value if specified |
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// in the cluster :ref:`EdsClusterConfig |
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// <envoy_api_msg_Cluster.EdsClusterConfig>`. |
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string cluster_name = 1 [(validate.rules).string.min_bytes = 1]; |
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// List of endpoints to load balance to. |
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repeated endpoint.LocalityLbEndpoints endpoints = 2 [(gogoproto.nullable) = false]; |
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// Load balancing policy settings. |
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message Policy { |
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// Percentage of traffic (0-100) that should be dropped. This |
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// action allows protection of upstream hosts should they unable to |
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// recover from an outage or should they be unable to autoscale and hence |
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// overall incoming traffic volume need to be trimmed to protect them. |
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// [#v2-api-diff: This is known as maintenance mode in v1.] |
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double drop_overload = 1 [(validate.rules).double = {gte: 0, lte: 100}]; |
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} |
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// Load balancing policy settings. |
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Policy policy = 4; |
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}
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