Disable go modules (#4583)

build/build-plugin.sh

@@ -44,6 +44,8 @@ if [ "$missing" = true ]; then
 fi
 
 export CGO_ENABLED=0
+# use vendor directory instead of go modules https://github.com/golang/go/wiki/Modules
+export GO111MODULE=off
 
 release=cmd/plugin/release
 

build/cover.sh

@@ -29,6 +29,8 @@ fi
 
 export CGO_ENABLED=1
 export GODEBUG=netdns=go+2
+# use vendor directory instead of go modules https://github.com/golang/go/wiki/Modules
+export GO111MODULE=off
 
 rm -rf coverage.txt
 for d in $(go list "${PKG}/..." | grep -v vendor | grep -v '/test/e2e' | grep -v images); do

build/run-in-docker.sh

@@ -53,6 +53,7 @@ docker run                                            \
   --rm                                                \
   ${DOCKER_OPTS}                                      \
   -e GOCACHE="/go/src/${PKG}/.cache"                  \
+  -e GO111MODULE=off                                  \
   -v "${HOME}/.kube:${HOME}/.kube"                    \
   -v "${KUBE_ROOT}:/go/src/${PKG}"                    \
   -v "${KUBE_ROOT}/bin/${ARCH}:/go/bin/linux_${ARCH}" \

build/test.sh

@@ -31,6 +31,8 @@ fi
 # enabled to use host dns resolver
 export CGO_ENABLED=1
 export GODEBUG=netdns=go+2
+# use vendor directory instead of go modules https://github.com/golang/go/wiki/Modules
+export GO111MODULE=off
 
 go test -v -race \
   $(go list "${PKG}/..." | grep -v vendor | grep -v '/test/e2e' | grep -v images | grep -v "docs/examples")