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54 lines
1.9 KiB
54 lines
1.9 KiB
4 years ago
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syntax = "proto3";
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package envoy.service.metrics.v4alpha;
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import "envoy/config/core/v4alpha/base.proto";
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import "metrics.proto";
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import "udpa/annotations/status.proto";
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import "udpa/annotations/versioning.proto";
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import "validate/validate.proto";
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option java_package = "io.envoyproxy.envoy.service.metrics.v4alpha";
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option java_outer_classname = "MetricsServiceProto";
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option java_multiple_files = true;
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option java_generic_services = true;
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option (udpa.annotations.file_status).package_version_status = NEXT_MAJOR_VERSION_CANDIDATE;
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// [#protodoc-title: Metrics service]
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// Service for streaming metrics to server that consumes the metrics data. It uses Prometheus metric
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// data model as a standard to represent metrics information.
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service MetricsService {
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// Envoy will connect and send StreamMetricsMessage messages forever. It does not expect any
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// response to be sent as nothing would be done in the case of failure.
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rpc StreamMetrics(stream StreamMetricsMessage) returns (StreamMetricsResponse) {
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}
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}
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message StreamMetricsResponse {
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option (udpa.annotations.versioning).previous_message_type =
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"envoy.service.metrics.v3.StreamMetricsResponse";
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}
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message StreamMetricsMessage {
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option (udpa.annotations.versioning).previous_message_type =
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"envoy.service.metrics.v3.StreamMetricsMessage";
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message Identifier {
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option (udpa.annotations.versioning).previous_message_type =
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"envoy.service.metrics.v3.StreamMetricsMessage.Identifier";
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// The node sending metrics over the stream.
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config.core.v4alpha.Node node = 1 [(validate.rules).message = {required: true}];
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}
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// Identifier data effectively is a structured metadata. As a performance optimization this will
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// only be sent in the first message on the stream.
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Identifier identifier = 1;
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// A list of metric entries
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repeated io.prometheus.client.MetricFamily envoy_metrics = 2;
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}
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