mirror of
https://github.com/prometheus/prometheus
synced 2024-12-27 00:53:12 +00:00
48b2c9c8ea
Part of: https://github.com/prometheus/prometheus/issues/4517 and https://github.com/improbable-eng/thanos/issues/488 Changes: * Extended protobuf for chunked remote read and negotation. * Added checksumed, chunked Writer/Reader. * Added Server side implementation for chunked streamed remote-read. Signed-off-by: Bartek Plotka <bwplotka@gmail.com>
83 lines
2.1 KiB
Protocol Buffer
83 lines
2.1 KiB
Protocol Buffer
// Copyright 2017 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto3";
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package prometheus;
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option go_package = "prompb";
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import "gogoproto/gogo.proto";
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message Sample {
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double value = 1;
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int64 timestamp = 2;
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}
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// TimeSeries represents samples and labels for a single time series.
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message TimeSeries {
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repeated Label labels = 1 [(gogoproto.nullable) = false];
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repeated Sample samples = 2 [(gogoproto.nullable) = false];
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}
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message Label {
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string name = 1;
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string value = 2;
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}
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message Labels {
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repeated Label labels = 1 [(gogoproto.nullable) = false];
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}
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// Matcher specifies a rule, which can match or set of labels or not.
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message LabelMatcher {
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enum Type {
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EQ = 0;
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NEQ = 1;
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RE = 2;
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NRE = 3;
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}
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Type type = 1;
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string name = 2;
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string value = 3;
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}
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message ReadHints {
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int64 step_ms = 1; // Query step size in milliseconds.
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string func = 2; // String representation of surrounding function or aggregation.
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int64 start_ms = 3; // Start time in milliseconds.
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int64 end_ms = 4; // End time in milliseconds.
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}
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// Chunk represents a TSDB chunk.
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// Time range [min, max] is inclusive.
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message Chunk {
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int64 min_time_ms = 1;
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int64 max_time_ms = 2;
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// We require this to match chunkenc.Encoding.
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enum Encoding {
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UNKNOWN = 0;
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XOR = 1;
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}
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Encoding type = 3;
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bytes data = 4;
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}
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// ChunkedSeries represents single, encoded time series.
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message ChunkedSeries {
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// Labels should be sorted.
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repeated Label labels = 1 [(gogoproto.nullable) = false];
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// Chunks will be in start time order and may overlap.
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repeated Chunk chunks = 2 [(gogoproto.nullable) = false];
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}
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