cmd/bpa-operator/vendor/contrib.go.opencensus.io/exporter/ocagent/nodeinfo.go

   1 // Copyright 2018, OpenCensus Authors
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 package ocagent
  16
  17 import (
  18         "os"
  19
  20         commonpb "github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1"
  21         "go.opencensus.io"
  22 )
  23
  24 // NodeWithStartTime creates a node using nodeName and derives:
  25 //  Hostname from the environment
  26 //  Pid from the current process
  27 //  StartTimestamp from the start time of this process
  28 //  Language and library information.
  29 func NodeWithStartTime(nodeName string) *commonpb.Node {
  30         return &commonpb.Node{
  31                 Identifier: &commonpb.ProcessIdentifier{
  32                         HostName:       os.Getenv("HOSTNAME"),
  33                         Pid:            uint32(os.Getpid()),
  34                         StartTimestamp: timeToTimestamp(startTime),
  35                 },
  36                 LibraryInfo: &commonpb.LibraryInfo{
  37                         Language:           commonpb.LibraryInfo_GO_LANG,
  38                         ExporterVersion:    Version,
  39                         CoreLibraryVersion: opencensus.Version(),
  40                 },
  41                 ServiceInfo: &commonpb.ServiceInfo{
  42                         Name: nodeName,
  43                 },
  44                 Attributes: make(map[string]string),
  45         }
  46 }