mirror of
https://github.com/prometheus/prometheus.git
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aa3f2b7216
- fold metric name into labels - return initialization errors back to main - add snappy compression - better context handling - pre-allocation of labels - remove generic naming - other cleanups
69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
// Copyright 2016 The Prometheus Authors
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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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package main
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import (
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"github.com/golang/snappy"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/storage/remote"
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)
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type server struct{}
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func (server *server) Write(ctx context.Context, req *remote.WriteRequest) (*remote.WriteResponse, error) {
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for _, ts := range req.Timeseries {
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m := make(model.Metric, len(ts.Labels))
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for _, l := range ts.Labels {
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m[model.LabelName(l.Name)] = model.LabelValue(l.Value)
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}
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fmt.Println(m)
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for _, s := range ts.Samples {
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fmt.Printf(" %f %d\n", s.Value, s.TimestampMs)
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}
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}
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return &remote.WriteResponse{}, nil
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}
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type snappyDecompressor struct{}
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func (d *snappyDecompressor) Do(r io.Reader) ([]byte, error) {
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sr := snappy.NewReader(r)
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return ioutil.ReadAll(sr)
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}
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func (d *snappyDecompressor) Type() string {
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return "snappy"
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}
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func main() {
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lis, err := net.Listen("tcp", ":1234")
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if err != nil {
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log.Fatalf("Failed to listen: %v", err)
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}
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s := grpc.NewServer(grpc.RPCDecompressor(&snappyDecompressor{}))
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remote.RegisterWriteServer(s, &server{})
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s.Serve(lis)
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}
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