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reintroduce opencensus bridge example (#3206)
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| module go.opentelemetry.io/otel/example/opencensus | ||
|
|
||
| go 1.18 | ||
|
|
||
| replace ( | ||
| go.opentelemetry.io/otel => ../.. | ||
| go.opentelemetry.io/otel/bridge/opencensus => ../../bridge/opencensus | ||
| go.opentelemetry.io/otel/sdk => ../../sdk | ||
| ) | ||
|
|
||
| require ( | ||
| go.opencensus.io v0.23.0 | ||
| go.opentelemetry.io/otel v1.10.0 | ||
| go.opentelemetry.io/otel/bridge/opencensus v0.31.0 | ||
| go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v0.31.0 | ||
| go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.9.0 | ||
| go.opentelemetry.io/otel/sdk v1.10.0 | ||
| go.opentelemetry.io/otel/sdk/metric v0.32.0 | ||
| ) | ||
|
|
||
| require ( | ||
| github.com/go-logr/logr v1.2.3 // indirect | ||
| github.com/go-logr/stdr v1.2.2 // indirect | ||
| github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect | ||
| go.opentelemetry.io/otel/metric v0.32.0 // indirect | ||
| go.opentelemetry.io/otel/trace v1.10.0 // indirect | ||
| golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7 // indirect | ||
| ) | ||
|
|
||
| replace go.opentelemetry.io/otel/metric => ../../metric | ||
|
|
||
| replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric | ||
|
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||
| replace go.opentelemetry.io/otel/trace => ../../trace | ||
|
|
||
| replace go.opentelemetry.io/otel/exporters/stdout/stdoutmetric => ../../exporters/stdout/stdoutmetric | ||
|
|
||
| replace go.opentelemetry.io/otel/exporters/stdout/stdouttrace => ../../exporters/stdout/stdouttrace |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= | ||
| github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= | ||
| github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= | ||
| github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= | ||
| github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= | ||
| github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= | ||
| github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= | ||
| github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= | ||
| github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= | ||
| github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= | ||
| github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= | ||
| github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0= | ||
| github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= | ||
| github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= | ||
| github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= | ||
| github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= | ||
| github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY= | ||
| github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= | ||
| github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= | ||
| github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= | ||
| github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= | ||
| github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= | ||
| github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= | ||
| github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= | ||
| github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= | ||
| github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= | ||
| github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8= | ||
| github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= | ||
| github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= | ||
| github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= | ||
| github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= | ||
| github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||
| github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||
| github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||
| github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg= | ||
| github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= | ||
| github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | ||
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
| github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= | ||
| github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | ||
| github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= | ||
| github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY= | ||
| go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M= | ||
| go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E= | ||
| golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= | ||
| golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= | ||
| golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= | ||
| golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= | ||
| golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU= | ||
| golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= | ||
| golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= | ||
| golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= | ||
| golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= | ||
| golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= | ||
| golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= | ||
| golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= | ||
| golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= | ||
| golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | ||
| golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | ||
| golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | ||
| golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | ||
| golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7 h1:iGu644GcxtEcrInvDsQRCwJjtCIOlT2V7IRt6ah2Whw= | ||
| golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | ||
| golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= | ||
| golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= | ||
| golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= | ||
| golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= | ||
| golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= | ||
| golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= | ||
| golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= | ||
| golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= | ||
| google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= | ||
| google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= | ||
| google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= | ||
| google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= | ||
| google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo= | ||
| google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= | ||
| google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= | ||
| google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= | ||
| google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= | ||
| google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc= | ||
| google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= | ||
| google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= | ||
| google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= | ||
| google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= | ||
| google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= | ||
| google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= | ||
| google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= | ||
| google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= | ||
| google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= | ||
| gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= | ||
| honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= | ||
| honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| // Copyright The OpenTelemetry 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 ( | ||
| "context" | ||
| "fmt" | ||
| "log" | ||
| "time" | ||
|
|
||
| ocmetric "go.opencensus.io/metric" | ||
| "go.opencensus.io/metric/metricdata" | ||
| "go.opencensus.io/metric/metricexport" | ||
| "go.opencensus.io/metric/metricproducer" | ||
| "go.opencensus.io/stats" | ||
| "go.opencensus.io/stats/view" | ||
| "go.opencensus.io/tag" | ||
| octrace "go.opencensus.io/trace" | ||
|
|
||
| "go.opentelemetry.io/otel" | ||
| "go.opentelemetry.io/otel/bridge/opencensus" | ||
| "go.opentelemetry.io/otel/exporters/stdout/stdoutmetric" | ||
| "go.opentelemetry.io/otel/exporters/stdout/stdouttrace" | ||
| "go.opentelemetry.io/otel/sdk/metric" | ||
| "go.opentelemetry.io/otel/sdk/resource" | ||
| sdktrace "go.opentelemetry.io/otel/sdk/trace" | ||
| ) | ||
|
|
||
| var ( | ||
| // instrumenttype differentiates between our gauge and view metrics. | ||
| keyType = tag.MustNewKey("instrumenttype") | ||
| // Counts the number of lines read in from standard input. | ||
| countMeasure = stats.Int64("test_count", "A count of something", stats.UnitDimensionless) | ||
| countView = &view.View{ | ||
| Name: "test_count", | ||
| Measure: countMeasure, | ||
| Description: "A count of something", | ||
| Aggregation: view.Count(), | ||
| TagKeys: []tag.Key{keyType}, | ||
| } | ||
| ) | ||
|
|
||
| func main() { | ||
| log.Println("Using OpenTelemetry stdout exporters.") | ||
| traceExporter, err := stdouttrace.New(stdouttrace.WithPrettyPrint()) | ||
| if err != nil { | ||
| log.Fatal(fmt.Errorf("error creating trace exporter: %w", err)) | ||
| } | ||
| metricsExporter, err := stdoutmetric.New() | ||
| if err != nil { | ||
| log.Fatal(fmt.Errorf("error creating metric exporter: %w", err)) | ||
| } | ||
| tracing(traceExporter) | ||
| if err := monitoring(metricsExporter); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } | ||
|
|
||
| // tracing demonstrates overriding the OpenCensus DefaultTracer to send spans | ||
| // to the OpenTelemetry exporter by calling OpenCensus APIs. | ||
| func tracing(otExporter sdktrace.SpanExporter) { | ||
| ctx := context.Background() | ||
|
|
||
| log.Println("Configuring OpenCensus. Not Registering any OpenCensus exporters.") | ||
| octrace.ApplyConfig(octrace.Config{DefaultSampler: octrace.AlwaysSample()}) | ||
|
|
||
| tp := sdktrace.NewTracerProvider(sdktrace.WithBatcher(otExporter)) | ||
| otel.SetTracerProvider(tp) | ||
|
|
||
| log.Println("Installing the OpenCensus bridge to make OpenCensus libraries write spans using OpenTelemetry.") | ||
| tracer := tp.Tracer("simple") | ||
| octrace.DefaultTracer = opencensus.NewTracer(tracer) | ||
| tp.ForceFlush(ctx) | ||
|
|
||
| log.Println("Creating OpenCensus span, which should be printed out using the OpenTelemetry stdouttrace exporter.\n-- It should have no parent, since it is the first span.") | ||
| ctx, outerOCSpan := octrace.StartSpan(ctx, "OpenCensusOuterSpan") | ||
| outerOCSpan.End() | ||
| tp.ForceFlush(ctx) | ||
|
|
||
| log.Println("Creating OpenTelemetry span\n-- It should have the OpenCensus span as a parent, since the OpenCensus span was written with using OpenTelemetry APIs.") | ||
| ctx, otspan := tracer.Start(ctx, "OpenTelemetrySpan") | ||
| otspan.End() | ||
| tp.ForceFlush(ctx) | ||
|
|
||
| log.Println("Creating OpenCensus span, which should be printed out using the OpenTelemetry stdouttrace exporter.\n-- It should have the OpenTelemetry span as a parent, since it was written using OpenTelemetry APIs") | ||
| _, innerOCSpan := octrace.StartSpan(ctx, "OpenCensusInnerSpan") | ||
| innerOCSpan.End() | ||
| tp.ForceFlush(ctx) | ||
| } | ||
|
|
||
| // monitoring demonstrates creating an IntervalReader using the OpenTelemetry | ||
| // exporter to send metrics to the exporter by using either an OpenCensus | ||
| // registry or an OpenCensus view. | ||
| func monitoring(otExporter metric.Exporter) error { | ||
| log.Println("Using the OpenTelemetry stdoutmetric exporter to export OpenCensus metrics. This allows routing telemetry from both OpenTelemetry and OpenCensus to a single exporter.") | ||
| ocExporter := opencensus.NewMetricExporter(otExporter, resource.Default()) | ||
| intervalReader, err := metricexport.NewIntervalReader(&metricexport.Reader{}, ocExporter) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create interval reader: %w", err) | ||
| } | ||
| intervalReader.ReportingInterval = 10 * time.Second | ||
| log.Println("Emitting metrics using OpenCensus APIs. These should be printed out using the OpenTelemetry stdoutmetric exporter.") | ||
| err = intervalReader.Start() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to start interval reader: %w", err) | ||
| } | ||
| defer intervalReader.Stop() | ||
|
|
||
| log.Println("Registering a gauge metric using an OpenCensus registry.") | ||
| r := ocmetric.NewRegistry() | ||
| metricproducer.GlobalManager().AddProducer(r) | ||
| gauge, err := r.AddInt64Gauge( | ||
| "test_gauge", | ||
| ocmetric.WithDescription("A gauge for testing"), | ||
| ocmetric.WithConstLabel(map[metricdata.LabelKey]metricdata.LabelValue{ | ||
| {Key: keyType.Name()}: metricdata.NewLabelValue("gauge"), | ||
| }), | ||
| ) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to add gauge: %w", err) | ||
| } | ||
| entry, err := gauge.GetEntry() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get gauge entry: %w", err) | ||
| } | ||
|
|
||
| log.Println("Registering a cumulative metric using an OpenCensus view.") | ||
| if err := view.Register(countView); err != nil { | ||
| return fmt.Errorf("failed to register views: %w", err) | ||
| } | ||
| ctx, err := tag.New(context.Background(), tag.Insert(keyType, "view")) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to set tag: %w", err) | ||
| } | ||
| for i := int64(1); true; i++ { | ||
| // update stats for our gauge | ||
| entry.Set(i) | ||
| // update stats for our view | ||
| stats.Record(ctx, countMeasure.M(1)) | ||
| time.Sleep(time.Second) | ||
| } | ||
| return nil | ||
| } |