feat(ci): drop Go 1.24, support Go 1.25/1.26

kakkoyun · kakkoyun · commit 1e5b2dbc3613 · 2026-02-11T16:07:24.000+01:00
- Remove GOEXPERIMENT=synctest from all CI scripts and workflows
- Delete internal/synctest/synctest_go124.go fallback
- Remove go1.25 build constraint from internal/synctest/synctest.go
- Update GitHub Actions version matrices to 1.25/1.26
- Update GitLab macrobenchmarks to stable=1.26.0, oldstable=1.25.0
- Update Dockerfiles from golang:1.24 to golang:1.25
- Update Makefile checkmake comment

Signed-off-by: Kemal Akkoyun &lt;kemal.akkoyun@datadoghq.com&gt;
diff --git a/.github/workflows/appsec.yml b/.github/workflows/appsec.yml
@@ -27,7 +27,6 @@ on:
       - 'scripts/**'
 env:
   DD_APPSEC_WAF_TIMEOUT: 1m
-  GOEXPERIMENT: synctest # TODO: remove once go1.25 is the minimum supported version
   PACKAGES: >-
     ./appsec/...
     ./instrumentation/appsec/...
@@ -85,6 +84,7 @@ jobs:
 
       - uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
+          go-version: stable
           cache: false
 
       - name: Cache Go modules
@@ -109,7 +109,7 @@ jobs:
     strategy:
       matrix:
         runs-on: [ macos-14, macos-latest ] # oldest and newest macos runners available
-        go-version: [ "1.25", "1.24" ]
+        go-version: [ "1.26", "1.25" ]
       fail-fast: true # saving some CI time - macos runners are too long to get
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
@@ -277,7 +277,7 @@ jobs:
     needs: go-mod-caching
     strategy:
       matrix:
-        go-version: [ "1.25", "1.24" ]
+        go-version: [ "1.26", "1.25" ]
         distribution: [ trixie, bookworm, alpine ]
         platform: [ linux/amd64, linux/arm64 ]
 
diff --git a/.github/workflows/generate.yml b/.github/workflows/generate.yml
@@ -38,7 +38,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: ${{ inputs.go-version }}
+          go-version: ${{ inputs.go-version || 'stable' }}
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Run generator
diff --git a/.github/workflows/lambda-integration-tests.yml b/.github/workflows/lambda-integration-tests.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
-          go-version: '1.25'
+          go-version: '1.26'
 
       - name: Set up Node 22
         uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
diff --git a/.github/workflows/main-branch-tests.yml b/.github/workflows/main-branch-tests.yml
@@ -26,7 +26,7 @@ jobs:
       id-token: write
       pull-requests: write
     with:
-      go-version: "1.25" # Should be the highest supported version of Go
+      go-version: "1.26" # Should be the highest supported version of Go
     secrets: inherit
 
   warm-repo-cache:
@@ -46,7 +46,7 @@ jobs:
     strategy:
       matrix:
         runs-on: [ macos-latest, windows-latest, ubuntu-latest ]
-        go-version: [ "1.24", "1.25" ]
+        go-version: [ "1.25", "1.26" ]
       fail-fast: false
     uses: ./.github/workflows/multios-unit-tests.yml
     with:
diff --git a/.github/workflows/multios-unit-tests.yml b/.github/workflows/multios-unit-tests.yml
@@ -22,7 +22,6 @@ on:
 
 env:
   DD_APPSEC_WAF_TIMEOUT: 1m # Increase time WAF time budget to reduce CI flakiness
-  GOEXPERIMENT: synctest # TODO: remove once go1.25 is the minimum supported version
 
 permissions:
   contents: read
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
@@ -26,7 +26,7 @@ jobs:
       - warm-repo-cache
     strategy:
       matrix:
-        go-version: [ "1.24", "1.25" ]
+        go-version: [ "1.25", "1.26" ]
       fail-fast: false
     uses: ./.github/workflows/unit-integration-tests.yml
     with:
@@ -38,7 +38,7 @@ jobs:
     strategy:
       matrix:
         runs-on: [ macos-latest, windows-latest, ubuntu-latest ]
-        go-version: [ "1.24", "1.25" ]
+        go-version: [ "1.25", "1.26" ]
       fail-fast: false
     uses: ./.github/workflows/multios-unit-tests.yml
     with:
diff --git a/.github/workflows/smoke-tests.yml b/.github/workflows/smoke-tests.yml
@@ -27,7 +27,6 @@ on:
 
 env:
   TEST_RESULTS: /tmp/test-results # path to where test results will be saved
-  GOEXPERIMENT: synctest # TODO: remove once go1.25 is the minimum supported version
 
 permissions:
   contents: read
@@ -136,7 +135,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: "1.24"
+          go-version: "1.25"
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Run tests
@@ -155,7 +154,7 @@ jobs:
         with:
           dd-api-key: ${{ secrets.DD_CI_API_KEY }}
           path: ${{ env.TEST_RESULTS }}
-          tags: go:1.24,arch:${{ runner.arch }},os:${{ runner.os }}
+          tags: go:1.25,arch:${{ runner.arch }},os:${{ runner.os }}
       - name: Upload Coverage
         if: always()
         shell: bash
@@ -179,7 +178,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: "1.24"
+          go-version: "1.25"
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Run generate scripts and check diff
diff --git a/.github/workflows/static-checks.yml b/.github/workflows/static-checks.yml
@@ -30,7 +30,6 @@ env:
   # without having to download a newer one.
   GOTOOLCHAIN: local
   GODEBUG: "x509negativeserial=1"
-  GOEXPERIMENT: synctest # TODO: remove once go1.25 is the minimum supported version
   GOLANGCI_LINT_VERSION: v2.3.0 # NOTICE: Make sure this is synced with the version in the _tools/go.mod file.
 
 permissions:
@@ -49,7 +48,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: ${{ inputs.go-version }}
+          go-version: ${{ inputs.go-version || 'stable' }}
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Copyright
@@ -70,7 +69,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: ${{ inputs.go-version }}
+          go-version: ${{ inputs.go-version || 'stable' }}
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Lint GitHub Actions workflows
@@ -88,7 +87,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: ${{ inputs.go-version }}
+          go-version: ${{ inputs.go-version || 'stable' }}
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Run fixmodules
@@ -108,7 +107,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: ${{ inputs.go-version }}
+          go-version: ${{ inputs.go-version || 'stable' }}
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Update documentation
@@ -128,7 +127,7 @@ jobs:
       - name: Setup Go and development tools
         uses: ./.github/actions/setup-go
         with:
-          go-version: ${{ inputs.go-version }}
+          go-version: ${{ inputs.go-version || 'stable' }}
           tools-dir: ${{ github.workspace }}/_tools
           tools-bin: ${{ github.workspace }}/bin
       - name: Format
diff --git a/.github/workflows/unit-integration-tests.yml b/.github/workflows/unit-integration-tests.yml
@@ -21,7 +21,6 @@ env:
   # without having to download a newer one.
   GOTOOLCHAIN: local
   GODEBUG: "x509negativeserial=1"
-  GOEXPERIMENT: synctest # TODO: remove once go1.25 is the minimum supported version
   TEST_RESULT_PATH: /tmp/test-results
 
 permissions:
@@ -43,6 +42,10 @@ jobs:
         with:
           ref: ${{ github.sha }}
           clean: false
+      - uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
+        with:
+          go-version: stable
+          cache: false
 
       - name: Compute Matrix
         id: matrix
diff --git a/.gitlab/benchmarks.yml b/.gitlab/benchmarks.yml
@@ -9,7 +9,6 @@
       interruptible: true
   tags: ["runner:apm-k8s-m8g-metal"]
   variables:
-    GOEXPERIMENT: "synctest" # TODO: remove once go1.25 is the minimum supported version
     KUBERNETES_CPU_REQUEST: "48"
     KUBERNETES_CPU_LIMIT: "48"
   script: |
diff --git a/.gitlab/macrobenchmarks.yml b/.gitlab/macrobenchmarks.yml
@@ -53,7 +53,6 @@ variables:
   variables:
     DD_INSTRUMENTATION_TELEMETRY_ENABLED: "true"
     DD_INSTRUMENTATION_TELEMETRY_DEBUG: "true"
-    GOEXPERIMENT: "synctest" # TODO: remove once go1.25 is the minimum supported version
     # Used to build the SUT
     GO_PROF_APP_BUILD_VARIANT: "candidate"
     DD_TRACE_GO_VERSION: "latest"
@@ -90,12 +89,12 @@ variables:
 .go-stable-benchmarks:
   extends: .benchmarks-default
   variables:
-    GO_VERSION: "1.25.0"
+    GO_VERSION: "1.26.0"
 
 .go-oldstable-benchmarks:
   extends: .benchmarks-default
   variables:
-    GO_VERSION: "1.24.6"
+    GO_VERSION: "1.25.0"
 
 #
 # Specific macrobenchmark configurations extending 
@@ -301,7 +300,7 @@ notify-slo-breaches:
       - platform/artifacts-se/
     expire_in: 3 months
   variables:
-    GO_VERSION: "1.25.0" # It needs to be at the latest stable release
+    GO_VERSION: "1.26.0" # It needs to be at the latest stable release
     ARTIFACTS_DIR: "./artifacts-se"
     SERVICE_EXTENSION: "true"
 
@@ -397,7 +396,7 @@ se-no-tracer-no-ext_proc:
       - platform/artifacts-haproxy_spoa/
     expire_in: 3 months
   variables:
-    GO_VERSION: "1.25.0" # It needs to be at the latest stable release
+    GO_VERSION: "1.26.0" # It needs to be at the latest stable release
     ARTIFACTS_DIR: "./artifacts-haproxy_spoa"
     HAPROXY_SPOA: "true"
 
diff --git a/Makefile b/Makefile
@@ -16,9 +16,7 @@ all: tools-install generate lint test ## Run complete build pipeline (tools, gen
 tools-install: tools-install/checkmake ## Install development tools
 	@./scripts/install_tools.sh --tools-dir $(TOOLS) --bin-dir $(BIN)
 
-# checkmake is installed as a pre-built binary rather than via go install
-# because it requires Go 1.25+, which would force an upgrade of our _tools module.
-# We keep the _tools module on Go 1.24.0 to match our main project requirements.
+# checkmake is installed as a pre-built binary for simplicity and speed.
 # For platforms without pre-built binaries, we fall back to building from source.
 .PHONY: tools-install/checkmake
 tools-install/checkmake: ## Install checkmake binary for Makefile linting
diff --git a/contrib/envoyproxy/go-control-plane/cmd/serviceextensions/Dockerfile b/contrib/envoyproxy/go-control-plane/cmd/serviceextensions/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 ENV CGO_ENABLED=1
 
 WORKDIR /app
diff --git a/contrib/haproxy/stream-processing-offload/cmd/spoa/Dockerfile b/contrib/haproxy/stream-processing-offload/cmd/spoa/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 ENV CGO_ENABLED=1
 
 WORKDIR /app
diff --git a/contrib/k8s.io/gateway-api/cmd/request-mirror/Dockerfile b/contrib/k8s.io/gateway-api/cmd/request-mirror/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 ENV CGO_ENABLED=1
 
 RUN apk add --no-cache --update git build-base
diff --git a/internal/apps/Dockerfile b/internal/apps/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24
+FROM golang:1.25
 COPY . /dd-trace-go
 WORKDIR /dd-trace-go/internal/apps
 # -t will download all dependencies, including test dependencies
diff --git a/internal/setup-smoke-test/Dockerfile b/internal/setup-smoke-test/Dockerfile
@@ -17,7 +17,7 @@
 #      select one by default, but also allows to provide a --build-arg option
 #      too instead of relying on the --target option. This way, the CI matrix
 #      can systematically use --build-arg for all of the parameters.
-ARG go="1.24" # golang docker image parameter in `golang:{go}-{buildenv}`
+ARG go="1.25" # golang docker image parameter in `golang:{go}-{buildenv}`
 ARG build_env="trixie" # golang docker image parameter in `golang:{go}-{buildenv}`
 ARG build_with_cgo="0" # 0 or 1
 ARG build_with_vendoring="" # y or empty
diff --git a/internal/synctest/synctest.go b/internal/synctest/synctest.go
@@ -3,8 +3,6 @@
 // This product includes software developed at Datadog (https://www.datadoghq.com/).
 // Copyright 2025 Datadog, Inc.
 
-//go:build go1.25
-
 package synctest
 
 import (
diff --git a/internal/synctest/synctest_go124.go b/internal/synctest/synctest_go124.go
diff --git a/scripts/ci_test_contrib.sh b/scripts/ci_test_contrib.sh
@@ -18,8 +18,6 @@ else
   INSTRUMENTATION_SUBMODULES=$(find ./instrumentation -mindepth 2 -type f -name go.mod -exec dirname {} \;)
 fi
 
-export GOEXPERIMENT=synctest # TODO: remove once go1.25 is the minimum supported version
-
 export DD_APPSEC_ENABLED=1
 export DD_APPSEC_WAF_TIMEOUT=1m
 export __DD_TRACE_SQL_TEST=true
diff --git a/scripts/ci_test_core.sh b/scripts/ci_test_core.sh
@@ -32,10 +32,6 @@ else
   echo "Running standard tests for core packages"
 fi
 
-if [[ "$GO_CMD" == "go" ]]; then
-  export GOEXPERIMENT=synctest # TODO: remove once go1.25 is the minimum supported version
-fi
-
 # Run tests with shuffle for packages that support it
 gotestsum --raw-command --junitfile "${TEST_RESULTS}/gotestsum-report.xml" -- "$GO_CMD" test -json -v -race "$TAGS_ARG" -shuffle=on -coverprofile=coverage.txt -covermode=atomic "${SHUFFLE_PACKAGES[@]}"
 test_exit=$?
