Add support for Go 1.24

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ env:
   # backwards compatibility with the previous two minor releases and we
   # explicitly test our code for these versions so keeping this at prior
   # versions does not add value.
-  DEFAULT_GO_VERSION: "~1.23.0"
+  DEFAULT_GO_VERSION: "~1.24.0"
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -35,7 +35,7 @@ jobs:
         cache-name: go-tools-cache
       with:
         path: .tools
-        key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('./tools/**') }}
+        key: ${{ runner.os }}-${{ env.cache-name }}-${{ env.DEFAULT_GO_VERSION }}-${{ hashFiles('./tools/**') }}
       # The step below is needed to not rebuild all the build tools.
     - name: Set tools/go.mod timestamp
       run: |
@@ -100,7 +100,7 @@ jobs:
   compatibility-test:
     strategy:
       matrix:
-        go-version: ["1.23.0", "~1.22.4"]
+        go-version: ["1.24.0", "1.23.0", "~1.22.4"]
         platform:
           - os: ubuntu-latest
             arch: "386"

CHANGELOG.md

@@ -8,6 +8,9 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+This release is the last to support [Go 1.22].
+The next release will require at least [Go 1.23].
+
 ### Added
 
 - Add support for configuring `ClientCertificate` and `ClientKey` field for OTLP exporters in `go.opentelemetry.io/contrib/config`. (#6378)
@@ -19,6 +22,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Add support for configuring `Insecure` field for OTLP exporters in `go.opentelemetry.io/contrib/config`. (#6658)
 - Support for the `OTEL_HTTP_CLIENT_COMPATIBILITY_MODE=http/dup` environment variable in `instrumentation/net/http/httptrace/otelhttptrace` to emit attributes for both the v1.20.0 and v1.26.0 semantic conventions. (#6720)
 - Support for the `OTEL_HTTP_CLIENT_COMPATIBILITY_MODE=http/dup` environment variable in `instrumentation/github.com/emicklei/go-restful/otelrestful` to emit attributes for both the v1.20.0 and v1.26.0 semantic conventions. (#6710)
+- Support [Go 1.24]. (#6765)
 
 ### Changed
 
@@ -1308,6 +1312,7 @@ First official tagged release of `contrib` repository.
 
 <!-- Released section ended -->
 
+[Go 1.24]: https://go.dev/doc/go1.24
 [Go 1.23]: https://go.dev/doc/go1.23
 [Go 1.22]: https://go.dev/doc/go1.22
 [Go 1.21]: https://go.dev/doc/go1.21

README.md

@@ -51,16 +51,22 @@ This project is tested on the following systems.
 
 | OS       | Go Version | Architecture |
 | -------- | ---------- | ------------ |
+| Ubuntu   | 1.24       | amd64        |
 | Ubuntu   | 1.23       | amd64        |
 | Ubuntu   | 1.22       | amd64        |
+| Ubuntu   | 1.24       | 386          |
 | Ubuntu   | 1.23       | 386          |
 | Ubuntu   | 1.22       | 386          |
+| macOS 13 | 1.24       | amd64        |
 | macOS 13 | 1.23       | amd64        |
 | macOS 13 | 1.22       | amd64        |
+| macOS    | 1.24       | arm64        |
 | macOS    | 1.23       | arm64        |
 | macOS    | 1.22       | arm64        |
+| Windows  | 1.24       | amd64        |
 | Windows  | 1.23       | amd64        |
 | Windows  | 1.22       | amd64        |
+| Windows  | 1.24       | 386          |
 | Windows  | 1.23       | 386          |
 | Windows  | 1.22       | 386          |
 

config/v0.3.0/config_test.go

@@ -484,7 +484,7 @@ func TestSerializeJSON(t *testing.T) {
 		{
 			name:    "valid v0.2 config",
 			input:   "v0.2.json",
-			wantErr: errors.New(`json: cannot unmarshal object into Go struct field LogRecordProcessor.logger_provider.processors.batch of type []config.NameStringValuePair`),
+			wantErr: errors.New(`json: cannot unmarshal object into Go struct field LogRecordProcessor.logger_provider.processors.batch`),
 		},
 		{
 			name:     "valid v0.3 config",
@@ -503,7 +503,7 @@ func TestSerializeJSON(t *testing.T) {
 
 			if tt.wantErr != nil {
 				require.Error(t, err)
-				require.Equal(t, tt.wantErr.Error(), err.Error())
+				require.ErrorContains(t, err, tt.wantErr.Error())
 			} else {
 				require.NoError(t, err)
 				assert.Equal(t, tt.wantType, got)