github.com/m3db/m3@v1.5.0/src/query/api/v1/handler/prometheus/remote/test/write.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package test
    22  
    23  import (
    24  	"bytes"
    25  	"io"
    26  	"time"
    27  
    28  	"github.com/m3db/m3/src/query/generated/proto/prompb"
    29  
    30  	"github.com/golang/protobuf/proto"
    31  	"github.com/golang/snappy"
    32  	"github.com/prometheus/common/model"
    33  	"github.com/stretchr/testify/require"
    34  )
    35  
    36  // GeneratePromWriteRequest generates a Prometheus remote
    37  // write request.
    38  func GeneratePromWriteRequest() *prompb.WriteRequest {
    39  	req := &prompb.WriteRequest{
    40  		Timeseries: []prompb.TimeSeries{{
    41  			Labels: []prompb.Label{
    42  				{Name: []byte(model.MetricNameLabel), Value: []byte("first")},
    43  				{Name: []byte("foo"), Value: []byte("bar")},
    44  				{Name: []byte("biz"), Value: []byte("baz")},
    45  			},
    46  			Samples: []prompb.Sample{
    47  				{Value: 1.0, Timestamp: time.Now().UnixNano() / int64(time.Millisecond)},
    48  				{Value: 2.0, Timestamp: time.Now().UnixNano() / int64(time.Millisecond)},
    49  			},
    50  		},
    51  			{
    52  				Labels: []prompb.Label{
    53  					{Name: []byte(model.MetricNameLabel), Value: []byte("second")},
    54  					{Name: []byte("foo"), Value: []byte("qux")},
    55  					{Name: []byte("bar"), Value: []byte("baz")},
    56  				},
    57  				Samples: []prompb.Sample{
    58  					{Value: 3.0, Timestamp: time.Now().UnixNano() / int64(time.Millisecond)},
    59  					{Value: 4.0, Timestamp: time.Now().UnixNano() / int64(time.Millisecond)},
    60  				},
    61  			}},
    62  	}
    63  	return req
    64  }
    65  
    66  // GeneratePromWriteRequestBody generates a Prometheus remote
    67  // write request body.
    68  func GeneratePromWriteRequestBody(
    69  	t require.TestingT,
    70  	req *prompb.WriteRequest,
    71  ) io.Reader {
    72  	return bytes.NewReader(GeneratePromWriteRequestBodyBytes(t, req))
    73  }
    74  
    75  // GeneratePromWriteRequestBodyBytes generates a Prometheus remote
    76  // write request body.
    77  func GeneratePromWriteRequestBodyBytes(
    78  	t require.TestingT,
    79  	req *prompb.WriteRequest,
    80  ) []byte {
    81  	data, err := proto.Marshal(req)
    82  	require.NoError(t, err)
    83  
    84  	compressed := snappy.Encode(nil, data)
    85  	return compressed
    86  }