Bump go to v1.21.6 and set a single source of truth

.github/workflows/ci.yaml

@@ -78,11 +78,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
+      - name: Get go version
+        run: echo "GOLANG_VERSION=$(cat GOLANG_VERSION)" >> $GITHUB_ENV
+
       - name: Set up Go
         id: go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: '1.21.5'
+          go-version: ${{ env.GOLANG_VERSION }}
           check-latest: true
 
       - name: Run test
@@ -92,6 +95,8 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     needs: changes
+    outputs:
+      golangversion: ${{ steps.golangversion.outputs.version }}
     if: |
       (needs.changes.outputs.go == 'true') || (needs.changes.outputs.charts == 'true') || (needs.changes.outputs.baseimage == 'true')
      
@@ -100,12 +105,17 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - name: Get go version
+        id: golangversion
+        run: |
+          echo "version=$(cat GOLANG_VERSION)" >> "$GITHUB_OUTPUT"
 
       - name: Set up Go
         id: go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: '1.21.5'
+          go-version: ${{ steps.golangversion.outputs.version }}
           check-latest: true
 
       - name: Set up QEMU
@@ -177,7 +187,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: '1.21.5'
+          go-version: ${{ needs.build.outputs.golangversion }}
           check-latest: true
 
       - name: Install Helm Unit Test Plugin

.github/workflows/golangci-lint.yml

@@ -18,11 +18,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
+      - name: Get go version
+        run: echo "GOLANG_VERSION=$(cat GOLANG_VERSION)" >> $GITHUB_ENV
+
       - name: Set up Go
         id: go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: '1.21.5'
+          go-version: ${{ env.GOLANG_VERSION }}
           check-latest: true
 
       - name: golangci-lint

.github/workflows/images.yaml

@@ -142,15 +142,19 @@ jobs:
       (needs.changes.outputs.kube-webhook-certgen == 'true')
     strategy:
       matrix:
-        k8s: [v1.25.11, v1.26.6, v1.27.3, v1.28.0, 1.29.0]
+        k8s: [v1.25.11, v1.26.6, v1.27.3, v1.28.0, v1.29.0]
     steps:
     - name: Checkout
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+    - name: Get go version
+      run: echo "GOLANG_VERSION=$(cat GOLANG_VERSION)" >> $GITHUB_ENV
+
     - name: Set up Go
       id: go
       uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
       with:
-        go-version: '1.21.5'
+        go-version: ${{ env.GOLANG_VERSION }}
         check-latest: true
     - name: image build
       run: |

.github/workflows/plugin.yaml

@@ -16,10 +16,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Get go version
+        run: echo "GOLANG_VERSION=$(cat GOLANG_VERSION)" >> $GITHUB_ENV
+
       - name: Set up Go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: '1.21.5'
+          go-version: ${{ env.GOLANG_VERSION }}
           check-latest: true
 
       - name: Run GoReleaser Snapshot

GOLANG_VERSION

@@ -0,0 +1 @@
+1.21.6

Makefile

@@ -29,6 +29,8 @@ SHELL=/bin/bash -o pipefail -o errexit
 # Use the 0.0 tag for testing, it shouldn't clobber any release builds
 TAG ?= $(shell cat TAG)
 
+GOLANG_VERSION ?= $(shell cat GOLANG_VERSION)
+
 # e2e settings
 # Allow limiting the scope of the e2e tests. By default run everything
 FOCUS ?=
@@ -105,7 +107,7 @@ clean-chroot-image: ## Removes local image
 
 .PHONY: build
 build:  ## Build ingress controller, debug tool and pre-stop hook.
-	build/run-in-docker.sh \
+	E2E_IMAGE=golang:$(GOLANG_VERSION)-alpine3.19 USE_SHELL=/bin/sh build/run-in-docker.sh \
 		MAC_OS=$(MAC_OS) \
 		PKG=$(PKG) \
 		ARCH=$(ARCH) \

build/build.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright 2018 The Kubernetes Authors.
 #
@@ -25,24 +25,15 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-declare -a mandatory
-mandatory=(
-  PKG
-  ARCH
-  COMMIT_SHA
-  REPO_INFO
-  TAG
-)
 
-for var in "${mandatory[@]}"; do
-  if [[ -z "${!var:-}" ]]; then
-    echo "Environment variable $var must be set"
-    exit 1
-  fi
-done
+if [ -z "$PKG" ] || [ -z "$ARCH" ] || [ -z "$COMMIT_SHA" ] || [ -z "$REPO_INFO" ] || [ -z "$TAG" ]; then
+  echo "Environments PKG, ARCH, COMMIT_SHA, REPO_INFO and TAG are required"
+  exit 1 
+fi
+
 
 export CGO_ENABLED=0
-export GOARCH=${ARCH}
+export GOARCH="${ARCH}"
 
 TARGETS_DIR="rootfs/bin/${ARCH}"
 echo "Building targets for ${ARCH}, generated targets in ${TARGETS_DIR} directory."
@@ -75,4 +66,4 @@ ${GO_BUILD_CMD} \
   -X ${PKG}/version.COMMIT=${COMMIT_SHA} \
   -X ${PKG}/version.REPO=${REPO_INFO}" \
   -buildvcs=false \
-  -o "${TARGETS_DIR}/wait-shutdown" "${PKG}/cmd/waitshutdown"
+  -o "${TARGETS_DIR}/wait-shutdown" "${PKG}/cmd/waitshutdown"

build/run-in-docker.sh

@@ -76,12 +76,7 @@ fi
 
 USER=${USER:-nobody}
 
-#echo "..printing env & other vars to stdout"
-#echo "HOSTNAME=`hostname`"
-#uname -a
-#env
-#echo "DIND_ENABLED=$DOCKER_IN_DOCKER_ENABLED"
-#echo "done..printing env & other vars to stdout"
+USE_SHELL=${USE_SHELL:-"/bin/bash"}
 
 if [[ "$DOCKER_IN_DOCKER_ENABLED" == "true" ]]; then
   echo "..reached DIND check TRUE block, inside run-in-docker.sh"
@@ -100,5 +95,5 @@ else
     args="$args -v /var/run/docker.sock:/var/run/docker.sock"
   fi
 
-  ${RUNTIME} run $args ${E2E_IMAGE} /bin/bash -c "${FLAGS}"
-fi
+  ${RUNTIME} run $args ${E2E_IMAGE} ${USE_SHELL} -c "${FLAGS}"
+fi

go.mod

@@ -1,6 +1,6 @@
 module k8s.io/ingress-nginx
 
-go 1.21.5
+go 1.21
 
 require (
 	dario.cat/mergo v1.0.0

go.work

@@ -1,4 +1,4 @@
-go 1.21.5
+go 1.21
 
 use (
 	.