Bump support for Go 1.21

.github/workflows/build.yaml

@@ -14,7 +14,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
+          go-version: "~1.21.1"
       - name: Install build dependencies
         run: |
           sudo apt-get update && sudo apt-get install -y clang llvm libbpf-dev

.github/workflows/checks.yml

@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 
 env:
-  GO_VERSION: "1.20"
+  GO_VERSION: "~1.21.1"
 
 jobs:
   check-links:
@@ -28,7 +28,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v4.0.0
         with:
-          go-version: ${{ env.DEFAULT_GO_VERSION }}
+          go-version: ${{ env.GO_VERSION }}
       - name: Checkout Repo
         uses: actions/checkout@v3.5.0
       - name: Module cache
@@ -52,6 +52,31 @@ jobs:
         run: make license-header-check go-mod-tidy golangci-lint
       - name: Check clean repository
         run: make check-clean-work-tree
+  compatibility-test:
+    strategy:
+      matrix:
+        go-version: ["~1.21.1", "~1.20.8"]
+        os: [ubuntu-latest]
+        # GitHub Actions does not support arm* architectures on default
+        # runners. It is possible to accomplish this with a self-hosted runner
+        # if we want to add this in the future:
+        # https://docs.github.com/en/actions/hosting-your-own-runners/using-self-hosted-runners-in-a-workflow
+        arch: [amd64]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+          cache-dependency-path: "**/go.sum"
+      - name: Install build dependencies
+        run: sudo apt-get update && sudo apt-get install -y clang llvm
+      - name: Run tests
+        env:
+          GOARCH: ${{ matrix.arch }}
+        run: make test
   verify-licenses:
     runs-on: ubuntu-22.04
     steps:
@@ -60,7 +85,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4.0.0
         with:
-          go-version: ${{ env.DEFAULT_GO_VERSION }}
+          go-version: ${{ env.GO_VERSION }}
       - name: Install build dependencies
         run: sudo apt-get update && sudo apt-get install -y clang llvm libbpf-dev
       - run: make verify-licenses

.github/workflows/kind.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
+          go-version: "~1.21.1"
       - name: Setup BATS
         uses: mig4/setup-bats@v1
       - name: Build auto-instrumentation

CHANGELOG.md

@@ -9,7 +9,9 @@ OpenTelemetry Go Automatic Instrumentation adheres to [Semantic Versioning](http
 ## [Unreleased]
 
 ### Added
+
 - Add database/sql instrumentation ([#240](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/240))
+- Support Go 1.21. ([#264](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/264))
 
 ### Changed
 

Makefile

@@ -42,7 +42,7 @@ ALL_GO_MODS := $(shell find . -type f -name 'go.mod' ! -path '$(TOOLS_MOD_DIR)/*
 GO_MODS_TO_TEST := $(ALL_GO_MODS:%=test/%)
 
 .PHONY: test
-test: $(GO_MODS_TO_TEST)
+test: generate $(GO_MODS_TO_TEST)
 test/%: GO_MOD=$*
 test/%:
 	cd $(shell dirname $(GO_MOD)) && go test -v ./...

README.md

@@ -23,6 +23,7 @@ Currently, OpenTelemetry Go Automatic Instrumentation is tested for the followin
 
 | OS      | Go Version | Architecture |
 | ------- | ---------- | ------------ |
+| Ubuntu  | 1.21       | amd64        |
 | Ubuntu  | 1.20       | amd64        |
 
 Automatic instrumentation should work on any Linux kernel above 4.4.