Update to go-1.21 (#345)

.github/workflows/docker.yaml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Log in to the container registry
-      uses: docker/login-action@v2
+      uses: docker/login-action@v3
       with:
         registry: ${{ env.REGISTRY }}
         username: ${{ secrets.DOCKER_REGISTRY_USER }}

.github/workflows/test.yaml

@@ -20,10 +20,10 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
 
-    - name: Set up Go 1.19
+    - name: Set up Go 1.21
       uses: actions/setup-go@v4
       with:
-        go-version: '1.19.x'
+        go-version: '1.21.x'
 
     - name: Check (lint) and Test
       run: |

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19 AS builder
+FROM golang:1.21 AS builder
 
 WORKDIR /go/src/github.com/metal-stack/gardener-extension-provider-metal
 COPY . .

Makefile

@@ -9,8 +9,8 @@ VERIFY                      := true
 LEADER_ELECTION             := false
 IGNORE_OPERATION_ANNOTATION := false
 WEBHOOK_CONFIG_URL          := localhost
-
-GOLANGCI_LINT_VERSION := v1.48.0
+GO_VERSION                  := 1.21
+GOLANGCI_LINT_VERSION       := v1.54.2
 
 ifeq ($(CI),true)
   DOCKER_TTY_ARG=""
@@ -81,10 +81,11 @@ generate: $(HELM)
 .PHONY: generate-in-docker
 generate-in-docker: revendor $(HELM)
 	echo $(shell git describe --abbrev=0 --tags) > VERSION
-	docker run --rm -i$(DOCKER_TTY_ARG) -v $(PWD):/go/src/github.com/metal-stack/gardener-extension-provider-metal golang:1.19.4 \
-		sh -c "cd /go/src/github.com/metal-stack/gardener-extension-provider-metal \
-				&& make generate \
-				&& chown -R $(shell id -u):$(shell id -g) ."
+	docker run --rm -i$(DOCKER_TTY_ARG) \
+		--volume $(PWD):/go/src/github.com/metal-stack/gardener-extension-provider-metal golang:$(GO_VERSION) \
+			sh -c "cd /go/src/github.com/metal-stack/gardener-extension-provider-metal \
+					&& make generate \
+					&& chown -R $(shell id -u):$(shell id -g) ."
 
 .PHONY: format
 format: $(GOIMPORTS)
@@ -96,9 +97,12 @@ test:
 
 .PHONY: test-in-docker
 test-in-docker: revendor
-	docker run --rm -i$(DOCKER_TTY_ARG) -v $(PWD):/go/src/github.com/metal-stack/gardener-extension-provider-metal golang:1.19.4 \
-		sh -c "cd /go/src/github.com/metal-stack/gardener-extension-provider-metal \
-				&& make install check test"
+	docker run --rm -i$(DOCKER_TTY_ARG) \
+		--user $$(id -u):$$(id -g) \
+		--mount type=tmpfs,destination=/.cache \
+		--volume $(PWD):/go/src/github.com/metal-stack/gardener-extension-provider-metal golang:$(GO_VERSION) \
+			sh -c "cd /go/src/github.com/metal-stack/gardener-extension-provider-metal \
+					&& make install check test"
 
 .PHONY: test-cov
 test-cov:

example/controller-registration.yaml

@@ -5,10 +5,10 @@ metadata:
   name: provider-metal
 type: helm
 providerConfig:
-  chart: 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dNBBBx100EEHHXTQQQf18H+O0XL6AHgAAA==
+  chart: H4sIAAAAAAAAA+0ca2/cNjKf9SuITQu0h6724bWdWyCHcx03cS+xDduX4nA4BFyJ3lWsFVVSsr1N899v+JIorbRa2amTtBoEyIrkDIfkzHA4HHqOmU8iwvrkLiERD2jUjxm9CXwoWpIEh4MnD4YhwP7urvwfoPy//D3amYzGu+O9PVE+2tsZTp6g3Yd33QwpTzBD6AmjNNnUrqn+K4V54/ofLjBL3BVehvftQyzw3mRSu/7jybi4/uPheLz/BA0/5UDr4C++/jgO3hIm1n2KbkYOjuP8c+iOh+7o745PuMeCOJGlB+gVCZfIE1KBrihDyYKgl1qK0BshMuhMSxDKhMqJ8JJMUaO0OTdrvX/uGfpzQ7P++9Rz5/QhfTTp/+7Ofsn+70+Gu53+PwYMBnM6nQsJwAlBfIH6Huq57gD+3ZDIp2wwD5JFOnM9uhwYYcl/LLB3PTDofY9GCaNhCLLDyDzgCZSCRLlAtihUyEXffOfhBKme3h6dXxyfnnyvP8kdXsYhGdSRE3sROlSVZyGOyFQRPY6uGIZWqZekzBT+Qtk1Yeqj5ziDAToDnvGcaBNGIjwLCUeFaUjjmGrzpguDaC4tnUcZI16Cct5QgTcntql/+carWf8TAosBs8Lv7Qm29v/Gw53huPP/HgParP+7BQlj2J/dJG7lCzbY/9F4vFda//HeuLP/jwIfPvSRT66CiKCe8NF6qP/xo9Pspwk82B9ka8cmEuIZCbkLjqR7TVaKnPxIZ4RFBOTIDehAdFWgUUPiBoep5unDBxREXpj6Gacu0ogbGFnHLTMoqExRTQvdv+xpfRRBBMITeUSiu+ckJJgT9wSYq+QsYy1Ywg6hOENI1ARXaIH5GYP6O9TjCzze3ZtCt29F99CVaO8meI4yjJgFUXKFet/yf37Lyy0ZiSkPEspWm0jAGEkVwem9CcJgrXGXF8QncUhXSxIl2snPhIMP4OhhT9fn1oq/DrSx/+DzXAXzJY77cvFvwA+irE9hNW9ZkJDaGEGT/z/Z2ynZ/31R1Nn/RwBtfQpa/VYu7KlZV2X7CmGC6yDyp8IFB3l4g2NHSIqPEzwFS6BO+tXWulpwNBIH17nClMpiZWSUYZ5WmHNB/ncoBFlO0ES0NuzIHvm7opRO0e+CyMZRF8lZRu1zL9knhXvpf8toYIP+7472d0v6vzOajDr9fwz4VIqdycYfqsyql0yFEUC/35f/2wORgusaOXYz0eauJmCk3vVCmvrgfeAwXuCRJJRNgT7fq8lI1fneKdlLTc8LA+AVWkZgRKCZGiHwWyqfylJg1vNILMqBseRyFRMup4qRX9OAER/1Gui76wRQwDP8XhN/VfiaZTnJprQlVxZmO3ZsxIyPX+O2swIY7foVCFl/s5TxpGWPEqddnwqluKVUS9USewvwnI/lDmb4LBRK7Unof0RAbCNy7WZW3fMVDOUWh+ExLAuLcKhOJjkTdfUb+Kkl2ZI1MmeE8xeEJ0EkVTJjar1mAzsVZGoZkcQTzzfay8FPgFk1n0LNMecnxjyWewJMV6O4Wctc7AAdg1UMklUztm5oySz2rtM454R7C+KnYT0jCsE17Ww2fBIm+CLCMV/Q5IywgPpNZCpQctMHOythB6kfJIY/FWutpGo3d3U7QwqLwkt6EYdpdL0FrUJ7m1i1RNU2Vx0tiHdJr0nU3JNpmeMKgbprRpTNCj2+otoUNXUoGhYwzyjbDlM0zDGTkB9tO6N520LPhwc/BULyCq51Xe+qca5zz9ZVrqRmfsoozyV9w/obdZEYzetf29x0FWOWBMJGKFdgg1Upkirh5YMdjSssjDyEnKVheEbDwKs0BqUm9UPKGl4QjxGhUB71if+CetfGofn54vRkrWvVPFexSqyNnDV3+Gc9SX2d0Ob8lwfw2h0AN5//RsPRZL98/tvZ7c5/jwL2sclEYtUJ6EW22lufAv+Qsx+PiSc6ZuQmEHy+CoSVXb0OluBYoKGsicEcYl4wTLrwkKaR3uY48CJCPFPtRyfe4vV2fOwpAkYTNAFrUqSXEkU0MX6n2Tq2DK9lniDsjNc8XVqhVqmE1XGzwjJ8JwP46Bv3UnPp/ggTf4aTBeptFbntfS+HrC4fgAebr9JWVcPqxtDAPZjdii2YXQycmRmG6WKBZ7bxC4+BgEfzwm7OKDRakFRe4XDRAmayl7CU9LJGT8WtBU7DBGmCYvgxFUwHkXX532cgXsGS1FCPpTPWezZ8NuzVT+aW2vAsc4y0RshlAFYwnPNYJnT9JhXVrqkQBOCtHAa173o+fpyuVasbn16RTo3bojDigsOSyQ9dLmHhclXpo0HFZqTEf7GKCbNaFrcoO+8EaEKfdtu+FsD+FTiczwdwfBlUT40WvIEVZCqTEb3EIuME+rkTBV7KGKxNnxHxAR3w50XnSPOV/ZbYbo55sYo8bs+L6GlBwHOcEZz0M3P6fIM1rUIE2uS2H4jD9g3MEBf8+bXMZXiuxDvWaBcKq9xLUMizaT8VRfymyQjmEYVeaExUCK6fG9raDiTKqcE4yBDKtG9lclD7ESi8Js5vyWxB6bWRv5ZrWcLmsCLAqrAoNle61aE+f8hGxZOdouYHXBhES1UKg9PVedRThEPeg71DvR96dbR031WEftFVG6iAzIXJoj8D69bHvi/CMc9tc6Pqq8aSmQl9j2z3n0V2dZ2NS6Ib29woM/n66ODF0fm7o9dHh5fHpyfvTg7eHF2cHRweZS0RklkAP4Fln1qFIgpGQv+cXBVLdbnYzKaZk+Bmi39f18Dwe/zm4OXRW2D29Pzd6duj81/Ojy/XeJ2igcw/s+69BpUXYZt2+DC4gZnk/IzRGbHHuEiS+GV+TFQQy/EO1Kr9VqwqhySql1aAiEuJUb66vDyzKoIIztE4fEFCvNJGaYpGw6wFI9gPWvMqsFaPwuquY3fA16XQKLtSYItctr+vxXW20XzpjyTUo+EUXR6elaMFoHM0ZR4pWK6ssCrOkWP8jiITzRhWRDME3NAwXZI3wgOvGLKyaxarS9FQqU3zLv1QNaq7iK5iZk2VrHZChk6jEPwe4UDWq5NYn8AjB54nCJ80e2hPEb66EsK0mmYlQnz8A3A4DyqqUHYH8SIF73p+oUK88OtYboe6+OiOeKl9F/VUz4v0OC8KZyRTKSdEnJeO7mJhp+0zTt6ij67JqjaTKsu1WsNDSO3t0Cs6jiqqpUmr6FB0uUXeVhEtoTEN6Xz1L8Frr5jPtaA8kQuhcZQAr3nWJQn0zG2pbWS2viw1oM8bb6gPeJOxsW2txHs74W7Pb5OybOC9i/R92dAm/gfGB9w7lsqXQLPUn5PtAoGN7z/W4n+74/1xF/97DND2ZZ6g70Rwoyp69j0alVPAYnmcH9yMZiAiJmB4Rv0XmXj8KMXjy4gcwvHu3xG+wUEojiaSPE9njQN+cMTwa7B/bfSfzbB3n4egDfo/2d0vv/8Yj4Zd/uejgEifsjVbrjFOkwVlwW/qSdP1M+kc5dlh6qr+nIakjX630VyWhsLt6ousrpeMprH0wfrIyuQqpnA5hXOLaKoTCrj6sIJvFSUDkIEkVRXF4FRlmd1cRYIKv/NqcJVmmh1hDKWXHXD141ZYE/krzn6lMcwlWR92NrTGUavwp5+VFpno/a23TtyjlPk6CUav9TpdaYtL1Dw4+0g3cG1UD+zDlEvTr+pKAV9oKj6keRZZeXKG1y1ZFtasXou66e715H/iOkz+mGULVKsdCsFfBvJwVHgRaDeIA0uCrQo4gQjhgeNZ7exk2yMvfQ7gKIjD4DcjheCow3lb/uTyMj4TeHXm0K30dYb6ym92DaI8rRY+sDq6clu7QIPIWoGI6MFIVHneYq3qPZ2pH+BX5j8GcDhTopwm8tmljnN4dhqmag6HvMBvaOMBW3Rp5lI+RQnyWj3v0p0JttIWnVbnchxLFaxcK4HZTArkiHIPh5tWHWgk4JaEMDOmuVrnEvGnKue1L1ye4CrwUJ0F1c0S7F1XdmjS9AqrehsIzWo7VYaU267P7MtIrikoCmlT7yYVp6lzmaqzBT1/iz0H2gB3LNASn3+22RIesulBj+Lygvm89NmKgQe5BD8qFf/DPAPoQofczTRt4NDJ0rktn6WBHzgavIdtRSqPQr4oxO4+zUnmc/t9Btr4/3ojaH0EaDz/D8t//2W8N+78/0eByvcfWuC/jNN7It8haAU+Piscy7fL28nuXPr6fmcy2ZEn+uLliIwOYwZWsdVdy+dewYfBPfRfO4Lbm4Em/R9PRiX9n4zhv07/HwE26b/Z8D6rGfjcE/Qnh2b9V7dvD/kDcA36vzPeLev/cLLf6f+jgEoDlCcJk/Y3RfOFx4R/b52dqnLzSn8SROye8ymSe4XwkmMrKfAgvMUr7jh2mH2KRk5+fkEfPjpOnm0xRc+Gz0aOY+Ur6QegWdhOReVLOVgq16IYsNvQMIsQqTZV2W9TtCMuNFVwb1OfdUlnU3SF4TTrOOtJVlP03/85pZQpWQYH+qqrXvG4RlxkB/r131Pr0jfGKVf5XTJfxFEX3mp6z+3Fzf+eV377bf+chXQ2WGLhbg1maRD6A0l6oB5ziCxKx+QbWFSVxMwpnYfkXZ6VqnD7eOnvTTSalJLejjvs6YLsb/6N3NHIvfu6RzVaG1XvH8/FyMaqwnVdxyn4k1NHpYeYHB/hnTpPn0JZImJbXP4ZMp2G/AMi7txF3OQ1z1bQjPj9PO0YMB3dWBAGOioVOktkNriy0jEPqUymtM5jcbyMteo3zFUvmHEslVs0GrznNDK6kr8mrmwh3/mOhiprQD/CHUmdK751FXpR+cpTVdS+SdV42QPO0ruy/PGmKTDPMRVDhReW2ftKx2Q+rL+ZdKoeP2bP1ZQtqHzUuNbGenwov9RzQlMh3wiaDyk66giTv+QzlfplnlMae+FFXUXn6y/fhJGuSPk+vjqB0cO6EBkeqXxOVveYzMn+2JTSA8O22Vz0a/7OD+yggw466KCDDjrooIMOOuiggw466KCDDjrooIMOOuiggw466KCDevg/rig4aQB4AAA=
   values:
     image:
-      tag: v0.20.18
+      tag: v0.20.19
 ---
 apiVersion: core.gardener.cloud/v1beta1
 kind: ControllerRegistration

go.mod

@@ -1,6 +1,6 @@
 module github.com/metal-stack/gardener-extension-provider-metal
 
-go 1.19
+go 1.21
 
 require (
 	github.com/Masterminds/semver v1.5.0
@@ -27,7 +27,6 @@ require (
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.8.4
-	golang.org/x/exp v0.0.0-20230811145659-89c5cff77bcb
 	k8s.io/api v0.26.3
 	k8s.io/apiextensions-apiserver v0.26.3
 	k8s.io/apimachinery v0.27.4

go.sum

@@ -65,6 +65,7 @@ github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3d
 github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/benbjohnson/clock v1.3.5 h1:VvXlSJBzZpA/zum6Sj74hxwYI2DIxRWuNIoXAzHZz5o=
+github.com/benbjohnson/clock v1.3.5/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -118,6 +119,7 @@ github.com/evanphx/json-patch v4.2.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLi
 github.com/evanphx/json-patch v4.5.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/evanphx/json-patch v4.12.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/evanphx/json-patch v5.6.0+incompatible h1:jBYDEEiFBPxA0v50tFdvOzQQTCvpL6mnFh5mB2/l16U=
+github.com/evanphx/json-patch v5.6.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/evanphx/json-patch/v5 v5.6.0 h1:b91NhWfaz02IuVxO9faSllyAtNXHMPkC5J8sJCLunww=
 github.com/evanphx/json-patch/v5 v5.6.0/go.mod h1:G79N1coSVB93tBe7j6PhzjmR3/2VvlbKOFpnXhI9Bw4=
 github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
@@ -389,6 +391,7 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
@@ -541,6 +544,7 @@ github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
 github.com/rogpeppe/go-internal v1.2.2/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
+github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -611,12 +615,14 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opentelemetry.io/otel v1.14.0 h1:/79Huy8wbf5DnIPhemGB+zEPVwnN6fuQybr/SRXa6hM=
 go.opentelemetry.io/otel v1.14.0/go.mod h1:o4buv+dJzx8rohcUeRmWUZhqupFvzWis188WlggnNeU=
 go.opentelemetry.io/otel/sdk v1.14.0 h1:PDCppFRDq8A1jL9v6KMI6dYesaq+DFcDZvjsoGvxGzY=
+go.opentelemetry.io/otel/sdk v1.14.0/go.mod h1:bwIC5TjrNG6QDCHNWvW4HLHtUQ4I+VQDsnjhvyZCALM=
 go.opentelemetry.io/otel/trace v1.14.0 h1:wp2Mmvj41tDsyAJXiWDWpfNsOiIyd38fy85pyKcFq/M=
 go.opentelemetry.io/otel/trace v1.14.0/go.mod h1:8avnQLK+CG77yNLUae4ea2JDQ6iT+gozhnZjy/rw9G8=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
 go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
+go.uber.org/goleak v1.2.1/go.mod h1:qlT2yGI9QafXHhZZLxlSuNsMw3FFLxBr+tBRlmO1xH4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
@@ -654,8 +660,6 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
-golang.org/x/exp v0.0.0-20230811145659-89c5cff77bcb h1:mIKbk8weKhSeLH2GmUTrvx8CjkyJmnU1wFmg59CUjFA=
-golang.org/x/exp v0.0.0-20230811145659-89c5cff77bcb/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -764,6 +768,7 @@ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=

pkg/controller/controlplane/valuesprovider.go

@@ -8,11 +8,10 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
+	"slices"
 	"strings"
 	"time"
 
-	"golang.org/x/exp/slices"
-
 	"github.com/gardener/gardener/extensions/pkg/util"
 	"github.com/metal-stack/metal-go/api/client/network"
 	"github.com/metal-stack/metal-go/api/models"

pkg/controller/controlplane/valuesprovider_test.go

@@ -4,12 +4,13 @@ import (
 	"testing"
 	"time"
 
+	"slices"
+
 	"github.com/go-openapi/strfmt"
 	"github.com/google/go-cmp/cmp"
 	"github.com/metal-stack/metal-go/api/models"
 	"github.com/metal-stack/metal-lib/pkg/pointer"
 	"github.com/metal-stack/metal-lib/pkg/testcommon"
-	"golang.org/x/exp/slices"
 )
 
 func Test_firewallCompareFunc(t *testing.T) {