Remove references to "GO111MODULE"

hack/lib/golang.sh

@@ -597,7 +597,7 @@ kube::golang::setup_gomaxprocs() {
     if ! command -v ncpu >/dev/null 2>&1; then
       # shellcheck disable=SC2164
       pushd "${KUBE_ROOT}/hack/tools" >/dev/null
-      GO111MODULE=on go install ./ncpu || echo "Will not automatically set GOMAXPROCS"
+      go install ./ncpu || echo "Will not automatically set GOMAXPROCS"
       # shellcheck disable=SC2164
       popd >/dev/null
     fi

hack/lib/init.sh

@@ -25,12 +25,6 @@ set -o pipefail
 # https://github.com/kubernetes/kubernetes/issues/52255
 unset CDPATH
 
-# Until all GOPATH references are removed from all build scripts as well,
-# explicitly disable module mode to avoid picking up user-set GO111MODULE preferences.
-# As individual scripts (like hack/update-vendor.sh) make use of go modules,
-# they can explicitly set GO111MODULE=on
-export GO111MODULE=off
-
 # FIXME(dims): Note that here we assume that if GOFLAGS are already set we
 # leave them as-is and not try to add providerless to it. So if you
 # really need to set your own GOFLAGS, ensure you add "providerless" explicitly

hack/lint-dependencies.sh

@@ -87,7 +87,7 @@ unused=$(comm -23 \
 if [[ -n "${unused}" ]]; then
   echo ""
   echo "Use the given commands to remove pinned module versions that aren't actually used:"
-  echo "${unused}" | xargs -L 1 echo 'GO111MODULE=on go mod edit -dropreplace'
+  echo "${unused}" | xargs -L 1 echo 'go mod edit -dropreplace'
 fi
 
 if [[ -n "${unused}${outdated}${noncanonical}" ]]; then

hack/make-rules/test.sh

@@ -192,7 +192,7 @@ produceJUnitXMLReport() {
   if ! command -v gotestsum >/dev/null 2>&1; then
     kube::log::status "gotestsum not found; installing from hack/tools"
     pushd "${KUBE_ROOT}/hack/tools" >/dev/null
-      GO111MODULE=on go install gotest.tools/gotestsum
+      go install gotest.tools/gotestsum
     popd >/dev/null
   fi
   gotestsum --junitfile "${junit_xml_filename}" --raw-command cat "${junit_filename_prefix}"*.stdout
@@ -203,7 +203,7 @@ produceJUnitXMLReport() {
   if ! command -v prune-junit-xml >/dev/null 2>&1; then
     kube::log::status "prune-junit-xml not found; installing from hack/tools"
     pushd "${KUBE_ROOT}/cmd/prune-junit-xml" >/dev/null
-      GO111MODULE=on go install .
+      go install .
     popd >/dev/null
   fi
   prune-junit-xml "${junit_xml_filename}"

hack/update-internal-modules.sh

@@ -29,15 +29,13 @@ MODULES=(
     staging/src/k8s.io/kms/internal/plugins/_mock
 )
 
-# Explicitly opt into go modules
-export GO111MODULE=on
-
 # Detect problematic GOPROXY settings that prevent lookup of dependencies
 if [[ "${GOPROXY:-}" == "off" ]]; then
   kube::log::error "Cannot run hack/update-internal-modules.sh with \$GOPROXY=off"
   exit 1
 fi
 
+kube::golang::setup_env
 kube::golang::verify_go_version
 
 for mod in "${MODULES[@]}"; do

hack/update-netparse-cve.sh

@@ -35,9 +35,6 @@ kube::golang::verify_go_version
 export GOBIN="${KUBE_OUTPUT_BIN}"
 PATH="${GOBIN}:${PATH}"
 
-# Explicitly opt into go modules
-export GO111MODULE=on
-
 # Install golangci-lint
 echo 'installing net parser converter'
 pushd "${KUBE_ROOT}/hack/tools" >/dev/null

hack/update-vanity-imports.sh

@@ -27,7 +27,7 @@ source "${KUBE_ROOT}/hack/lib/init.sh"
 kube::golang::verify_go_version
 
 pushd "${KUBE_ROOT}/hack/tools" >/dev/null
-    GO111MODULE=on go install github.com/jcchavezs/porto/cmd/porto
+    go install github.com/jcchavezs/porto/cmd/porto
 popd >/dev/null
 
 porto --restrict-to-dirs="staging" --restrict-to-files="doc\\.go$" -w "${KUBE_ROOT}"

hack/update-yamlfmt.sh

@@ -38,5 +38,4 @@ find_files() {
     \) -name 'OWNERS*'
 }
 
-export GO111MODULE=on
 find_files | xargs go run cmd/yamlfmt/yamlfmt.go

hack/verify-external-dependencies-version.sh

@@ -32,7 +32,7 @@ export GOBIN="${KUBE_OUTPUT_BIN}"
 PATH="${GOBIN}:${PATH}"
 
 # Install zeitgeist
-GO111MODULE=on go install sigs.k8s.io/zeitgeist@v0.2.0
+go install sigs.k8s.io/zeitgeist@v0.2.0
 
 # Prefer full path for running zeitgeist
 ZEITGEIST_BIN="$(which zeitgeist)"

hack/verify-go-workspace.sh

@@ -27,5 +27,4 @@ set -o pipefail
 KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 source "${KUBE_ROOT}/hack/lib/verify-generated.sh"
 
-export GO111MODULE=on # TODO(thockin): remove this when init.sh stops disabling it
 kube::verify::generated "Go workspace files need to be updated" "Please run 'hack/update-go-workspace.sh'" hack/update-go-workspace.sh

hack/verify-golangci-lint.sh

@@ -126,9 +126,6 @@ for arg; do
   fi
 done
 
-# Explicitly opt into go modules
-export GO111MODULE=on
-
 # Install golangci-lint
 echo "installing golangci-lint and logcheck plugin from hack/tools into ${GOBIN}"
 pushd "${KUBE_ROOT}/hack/tools" >/dev/null

hack/verify-spelling.sh

@@ -33,7 +33,7 @@ PATH="${GOBIN}:${PATH}"
 
 # Install tools we need
 pushd "${KUBE_ROOT}/hack/tools" >/dev/null
-  GO111MODULE=on go install github.com/client9/misspell/cmd/misspell
+  go install github.com/client9/misspell/cmd/misspell
 popd >/dev/null
 
 # Spell checking

staging/src/k8s.io/sample-cli-plugin/README.md

@@ -31,7 +31,7 @@ This is an example of how to build a kubectl plugin using the same set of tools
 
 ```sh
 # assumes you have a working KUBECONFIG
-$ GO111MODULE="on" go build cmd/kubectl-ns.go
+$ go build cmd/kubectl-ns.go
 # place the built binary somewhere in your PATH
 $ cp ./kubectl-ns /usr/local/bin