Remove go.opentelemetry.io/otel/sdk dependency from instrumentation (#381)

* Examples into separate modules

- Create separate go.mod for intrumentation examples
- Update and clean-up go.mod files for instrumentation
- Use replace directive to on-disk location where appropriate

* Remove SDK from metric tests

- replace SDK with internal trace test helper package

* Update dependabot config

* Update gitignore to exclude example binaries

* Update CHANGELOG.md

* PR feedback - include additional replace directives

- Include missing replace directives in example go.mod files

Author: matej-g

.github/dependabot.yml

@@ -127,6 +127,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/github.com/emicklei/go-restful/otelrestful"
@@ -137,6 +147,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/github.com/emicklei/go-restful/otelrestful/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/github.com/gin-gonic/gin/otelgin"
@@ -147,6 +167,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/github.com/gin-gonic/gin/otelgin/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/github.com/gocql/gocql/otelgocql"
@@ -177,6 +207,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/github.com/gorilla/mux/otelmux/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/github.com/labstack/echo/otelecho"
@@ -187,6 +227,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/github.com/labstack/echo/otelecho/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/github.com/Shopify/sarama/otelsarama"
@@ -247,6 +297,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/gopkg.in/macaron.v1/otelmacaron/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/host"
@@ -257,6 +317,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/host/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/instrumentation/net/http/otelhttp"
@@ -307,6 +377,16 @@ updates:
     schedule:
       interval: "weekly"
       day: "sunday"
+  -
+    package-ecosystem: "gomod"
+    directory: "/instrumentation/runtime/example"
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
   -
     package-ecosystem: "gomod"
     directory: "/propagators"

.gitignore

@@ -7,8 +7,7 @@ Thumbs.db
 *.iml
 *.so
 coverage.*
+example
 
-exporters/metric/cortex/example/example
-instrumentation/github.com/gocql/gocql/otelgocql/example/example
 instrumentation/google.golang.org/grpc/otelgrpc/example/server/server
 instrumentation/google.golang.org/grpc/otelgrpc/example/client/client

CHANGELOG.md

@@ -8,6 +8,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+## Changed
+
+- Remove `go.opentelemetry.io/otel/sdk` dependency from instrumentation. (#381)
+
 ### Fixed
 
 - The import comment in `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` is now correctly quoted. (#379)

instrumentation/github.com/Shopify/sarama/otelsarama/example/go.mod

@@ -2,9 +2,10 @@ module go.opentelemetry.io/contrib/instrumentation/github.com/Shopify/sarama/ote
 
 go 1.14
 
-replace go.opentelemetry.io/contrib => ../../../../../..
-
-replace go.opentelemetry.io/contrib/instrumentation/github.com/Shopify/sarama/otelsarama => ../
+replace (
+	go.opentelemetry.io/contrib => ../../../../../../
+	go.opentelemetry.io/contrib/instrumentation/github.com/Shopify/sarama/otelsarama => ../
+)
 
 require (
 	github.com/Shopify/sarama v1.27.0

instrumentation/github.com/astaxie/beego/otelbeego/example/go.mod

@@ -2,17 +2,17 @@ module go.opentelemetry.io/contrib/instrumentation/astaxie/beego/example
 
 go 1.14
 
+replace (
+	go.opentelemetry.io/contrib => ../../../../../../
+	go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otelbeego => ../
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => ../../../../../net/http/otelhttp
+	go.opentelemetry.io/contrib/propagators => ../../../../../../propagators
+)
+
 require (
 	github.com/astaxie/beego v1.12.2
 	go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otelbeego v0.12.0
 	go.opentelemetry.io/otel v0.12.0
 	go.opentelemetry.io/otel/exporters/stdout v0.12.0
 	go.opentelemetry.io/otel/sdk v0.12.0
 )
-
-replace (
-	go.opentelemetry.io/contrib => ../../../../../../
-	go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otelbeego => ../
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => ../../../../../net/http/otelhttp
-	go.opentelemetry.io/contrib/propagators => ../../../../../../propagators
-)

instrumentation/github.com/astaxie/beego/otelbeego/go.mod

@@ -2,6 +2,12 @@ module go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otel
 
 go 1.14
 
+replace (
+	go.opentelemetry.io/contrib => ../../../../..
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => ../../../../net/http/otelhttp
+	go.opentelemetry.io/contrib/propagators => ../../../../../propagators
+)
+
 require (
 	github.com/astaxie/beego v1.12.2
 	github.com/stretchr/testify v1.6.1
@@ -14,9 +20,3 @@ require (
 	golang.org/x/text v0.3.3 // indirect
 	google.golang.org/protobuf v1.25.0 // indirect
 )
-
-replace (
-	go.opentelemetry.io/contrib => ../../../../..
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => ../../../../net/http/otelhttp
-	go.opentelemetry.io/contrib/propagators => ../../../../../propagators
-)

instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache/example/go.mod

@@ -0,0 +1,16 @@
+module go.opentelemetry.io/opentelemetry-go-contrib/instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache/example
+
+go 1.14
+
+replace (
+	go.opentelemetry.io/contrib => ../../../../../../../
+	go.opentelemetry.io/contrib/instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache => ../
+)
+
+require (
+	github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b
+	go.opentelemetry.io/contrib/instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache v0.12.0
+	go.opentelemetry.io/otel v0.12.0
+	go.opentelemetry.io/otel/exporters/stdout v0.12.0
+	go.opentelemetry.io/otel/sdk v0.12.0
+)

instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache/example/go.sum

@@ -0,0 +1,85 @@
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+github.com/DataDog/sketches-go v0.0.1/go.mod h1:Q5DbzQ+3AkgGwymQO7aZFNP7ns2lZKGtvRBzRXfdi60=
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+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+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 v1.32.0 h1:zWTV+LMdc3kaiJMSTOFz2UgSBgx8RNQoTGiZu3fR9S0=
+google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/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=

instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache/go.mod

@@ -9,7 +9,4 @@ require (
 	github.com/stretchr/testify v1.6.1
 	go.opentelemetry.io/contrib v0.12.0
 	go.opentelemetry.io/otel v0.12.0
-	go.opentelemetry.io/otel/exporters/stdout v0.12.0
-	go.opentelemetry.io/otel/sdk v0.12.0
-	google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940 // indirect
 )