prometheus/documentation/examples/remote_storage_generic/server.go

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// Copyright 2016 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"log"
"net"
"golang.org/x/net/context"
"google.golang.org/grpc"
"github.com/prometheus/prometheus/storage/remote/generic"
)
type server struct{}
func (server *server) Write(ctx context.Context, req *generic.GenericWriteRequest) (*generic.GenericWriteResponse, error) {
for _, ts := range req.Timeseries {
fmt.Printf("%s", ts.Name)
for _, l := range ts.Labels {
fmt.Printf(" %s=%s", l.Name, l.Value)
}
fmt.Printf("\n")
for _, s := range ts.Samples {
fmt.Printf(" %f %d\n", s.Value, s.TimestampMs)
}
}
return &generic.GenericWriteResponse{}, nil
}
func main() {
lis, err := net.Listen("tcp", ":1234")
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
s := grpc.NewServer()
generic.RegisterGenericWriteServer(s, &server{})
s.Serve(lis)
}