Bump go version to 1.26.2

.ci/check

@@ -27,9 +27,9 @@ cd "${SOURCE_PATH}"
 
 # Install golangci-lint (linting tool).
 if [[ -z "${GOLANGCI_LINT_VERSION}" ]]; then
-  export GOLANGCI_LINT_VERSION=v1.64.8
+  export GOLANGCI_LINT_VERSION=v2.11.4
 fi
-go install github.com/golangci/golangci-lint/cmd/golangci-lint@"${GOLANGCI_LINT_VERSION}"
+go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@"${GOLANGCI_LINT_VERSION}"
 
 ###############################################################################
 

.ci/test

@@ -28,7 +28,7 @@ cd "${SOURCE_PATH}"
 # Install Ginkgo (test framework) to be able to execute the tests.
 echo "Building Ginkgo framework"
 go install github.com/onsi/ginkgo/v2/ginkgo
-echo "Successfully built Ginkgo frawework"
+echo "Successfully built Ginkgo framework"
 
 ##############################################################################
 

.github/workflows/build.yaml

@@ -60,6 +60,7 @@ jobs:
     with:
       linter: gosec
       run: .ci/check
+      go-version: '1.26'
 
   test:
     runs-on: ubuntu-latest
@@ -69,7 +70,7 @@ jobs:
       - uses: gardener/cc-utils/.github/actions/trusted-checkout@v1
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.23'
+          go-version: '1.26'
       - name: run-test
         shell: bash
         run: |

.golangci.yaml

@@ -1,52 +1,61 @@
+version: "2"
 run:
   concurrency: 4
-  timeout: 10m
-
 linters:
-  disable:
-    - unused
   enable:
-    - revive
     - loggercheck
-
-issues:
-  exclude-use-default: false
-  exclude:
-    # errcheck: Almost all programs ignore errors on these functions and in most cases it's ok
-    - Error return value of .((os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*printf?|os\.(Un)?Setenv). is not checked
-    # revive:
-    - var-naming # ((var|const|struct field|func) .* should be .*
-    - dot-imports # should not use dot imports
-    - package-comments # package comment should be of the form
-    - unexported-return # exported func .* returns unexported type .*, which can be annoying to use
-    - indent-error-flow # if block ends with a return statement, so drop this else and outdent its block
-    - "exported: (type|func) name will be used as .* by other packages, and that stutters;"
-    # typecheck:
-    - "undeclared name: `.*`"
-    - "\".*\" imported but not used"
-    # allow non-capitalized messages if they start with technical terms
-    - "structured logging message should be capitalized: \"garden(er-apiserver|er-controller-manager|er-admission-controller|er-operator|er-resource-manager|let)"
-  exclude-rules:
-    - linters:
-        - staticcheck
-      text: "SA1019:" # Excludes messages where deprecated variables are used
-
-  exclude-dirs:
-    - pkg/client
-
-  exclude-files:
-    - "zz_generated\\..*\\.go$"
-
-linters-settings:
-  revive:
+    - revive
+  disable:
+    - unused
+  settings:
+    loggercheck:
+      logr: true
+      zap: true
+      no-printf-like: true
+    revive:
+      rules:
+        - name: duplicated-imports
+        - name: unused-parameter
+        - name: unreachable-code
+        - name: context-as-argument
+        - name: early-return
+        - name: exported
+  exclusions:
+    generated: lax
     rules:
-      - name: duplicated-imports
-      - name: unused-parameter
-      - name: unreachable-code
-      - name: context-as-argument
-      - name: early-return
-      - name: exported
-  loggercheck:
-    no-printf-like: true
-    logr: true
-    zap: true
+      - linters:
+          - staticcheck
+        text: '(SA1019|QF1008|QF1003|ST1005):'
+      - path: (.+)\.go$
+        text: Error return value of .((os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*printf?|os\.(Un)?Setenv). is not checked
+      - path: (.+)\.go$
+        text: var-naming
+      - path: (.+)\.go$
+        text: dot-imports
+      - path: (.+)\.go$
+        text: package-comments
+      - path: (.+)\.go$
+        text: unexported-return
+      - path: (.+)\.go$
+        text: indent-error-flow
+      - path: (.+)\.go$
+        text: 'exported: (type|func) name will be used as .* by other packages, and that stutters;'
+      - path: (.+)\.go$
+        text: 'undeclared name: `.*`'
+      - path: (.+)\.go$
+        text: '".*" imported but not used'
+      - path: (.+)\.go$
+        text: 'structured logging message should be capitalized: "garden(er-apiserver|er-controller-manager|er-admission-controller|er-operator|er-resource-manager|let)'
+    paths:
+      - zz_generated\..*\.go$
+      - pkg/client
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$

Dockerfile

@@ -1,5 +1,5 @@
 #############      builder                                  #############
-FROM golang:1.23.3 AS builder
+FROM golang:1.26.2 AS builder
 
 WORKDIR /go/src/github.com/gardener/machine-controller-manager
 COPY . .

docs/documents/apis.md

@@ -1617,8 +1617,8 @@ newest MachineSet.</p>
 </td>
 <td>
 <em>
-<a href="#machine.sapcloud.io/v1alpha1.*../../pkg/apis/machine/v1alpha1.MachineSummary">
-[]*../../pkg/apis/machine/v1alpha1.MachineSummary
+<a href="#machine.sapcloud.io/v1alpha1.*github.com/gardener/machine-controller-manager/pkg/apis/machine/v1alpha1.MachineSummary">
+[]*github.com/gardener/machine-controller-manager/pkg/apis/machine/v1alpha1.MachineSummary
 </a>
 </em>
 </td>
@@ -2075,8 +2075,8 @@ LastOperation
 </td>
 <td>
 <em>
-<a href="#machine.sapcloud.io/v1alpha1.[]../../pkg/apis/machine/v1alpha1.MachineSummary">
-[]../../pkg/apis/machine/v1alpha1.MachineSummary
+<a href="#machine.sapcloud.io/v1alpha1.[]github.com/gardener/machine-controller-manager/pkg/apis/machine/v1alpha1.MachineSummary">
+[]github.com/gardener/machine-controller-manager/pkg/apis/machine/v1alpha1.MachineSummary
 </a>
 </em>
 </td>

go.mod

@@ -1,78 +1,78 @@
 module github.com/gardener/machine-controller-manager
 
-go 1.23.0
+go 1.26.2
 
 require (
-	github.com/Masterminds/semver/v3 v3.2.1
+	github.com/Masterminds/semver/v3 v3.4.0
 	github.com/cenkalti/backoff/v4 v4.3.0
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
 	github.com/google/uuid v1.6.0
-	github.com/onsi/ginkgo/v2 v2.23.0
-	github.com/onsi/gomega v1.36.2
-	github.com/prometheus/client_golang v1.19.1
-	github.com/spf13/pflag v1.0.5
-	golang.org/x/lint v0.0.0-20210508222113-6edffad5e616
-	k8s.io/api v0.31.0
-	k8s.io/apiextensions-apiserver v0.31.0
-	k8s.io/apimachinery v0.31.0
-	k8s.io/apiserver v0.31.0
-	k8s.io/client-go v0.31.0
-	k8s.io/cluster-bootstrap v0.31.0
-	k8s.io/code-generator v0.31.0
-	k8s.io/component-base v0.31.0
+	github.com/onsi/ginkgo/v2 v2.27.2
+	github.com/onsi/gomega v1.38.2
+	github.com/prometheus/client_golang v1.23.2
+	github.com/spf13/pflag v1.0.9
+	k8s.io/api v0.34.0
+	k8s.io/apiextensions-apiserver v0.34.0
+	k8s.io/apimachinery v0.34.0
+	k8s.io/apiserver v0.34.0
+	k8s.io/client-go v0.34.0
+	k8s.io/cluster-bootstrap v0.34.0
+	k8s.io/code-generator v0.34.0
+	k8s.io/component-base v0.34.0
 	k8s.io/klog/v2 v2.130.1
-	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // keep this value in sync with k8s.io/apiserver
-	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8
-	sigs.k8s.io/yaml v1.4.0
+	k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b // keep this value in sync with k8s.io/apiserver
+	k8s.io/utils v0.0.0-20250604170112-4c0f3b243397
+	sigs.k8s.io/yaml v1.6.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
-	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
-	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/emicklei/go-restful/v3 v3.12.2 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
-	github.com/go-openapi/swag v0.22.4 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
-	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/google/pprof v0.0.0-20241210010833-40e02aabc2ad // indirect
-	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/google/gnostic-models v0.7.0 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.55.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
-	github.com/spf13/cobra v1.8.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.66.1 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
+	github.com/spf13/cobra v1.10.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	golang.org/x/mod v0.23.0 // indirect
-	golang.org/x/net v0.38.0 // indirect
-	golang.org/x/oauth2 v0.27.0 // indirect
-	golang.org/x/sync v0.12.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/term v0.30.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.30.0 // indirect
-	google.golang.org/protobuf v1.36.1 // indirect
-	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
+	go.opentelemetry.io/otel v1.35.0 // indirect
+	go.opentelemetry.io/otel/trace v1.35.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/mod v0.29.0 // indirect
+	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/oauth2 v0.30.0 // indirect
+	golang.org/x/sync v0.18.0 // indirect
+	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/term v0.37.0 // indirect
+	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/time v0.9.0 // indirect
+	golang.org/x/tools v0.38.0 // indirect
+	golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated // indirect
+	google.golang.org/protobuf v1.36.8 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/gengo/v2 v2.0.0-20240228010128-51d4e06bde70 // indirect
-	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
+	k8s.io/gengo/v2 v2.0.0-20250922181213-ec3ebc5fd46b // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
+	sigs.k8s.io/randfill v1.0.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v6 v6.3.0 // indirect
 )