remove vendoring, use Go modules

.github/workflows/test.yml

@@ -18,8 +18,6 @@ jobs:
 
     - name: Run Revive Action by pulling pre-built image
       uses: docker://morphy/revive-action:v2
-      with:
-        exclude: "./vendor/..."
 
     - name: Run go fmt
       run: go fmt ./...

.goreleaser.yml

@@ -1,7 +1,5 @@
 # This is an example goreleaser.yaml file with some sane defaults.
 # Make sure to check the documentation at http://goreleaser.com
-env:
-  - GO111MODULE=on
 before:
   hooks:
     - go mod download

cmd/multus-shim/main.go

@@ -30,7 +30,6 @@ import (
 )
 
 func main() {
-	// Init command line flags to clear vendored packages' one, especially in init()
 	flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
 
 	// add version flag

cmd/multus/main.go

@@ -29,8 +29,6 @@ import (
 )
 
 func main() {
-
-	// Init command line flags to clear vendored packages' one, especially in init()
 	flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
 
 	// add version flag

hack/build-go.sh

@@ -59,13 +59,6 @@ LDFLAGS="-X gopkg.in/k8snetworkplumbingwg/multus-cni.v4/pkg/multus.version=${VER
 	-X gopkg.in/k8snetworkplumbingwg/multus-cni.v4/pkg/multus.date=${DATE}"
 export CGO_ENABLED=${CGO_ENABLED:-0}
 
-# build with go modules
-export GO111MODULE=on
-
-if [ -n "$MODMODE" ]; then
-	BUILD_ARGS=(-mod "$MODMODE")
-fi
-
 echo "Building multus"
 go build -o ${DEST_DIR}/multus ${BUILD_ARGS} -ldflags "${LDFLAGS}" "$@" ./cmd/multus
 echo "Building multus-daemon"

hack/test-go.sh

@@ -1,23 +1,4 @@
 #!/usr/bin/env bash
 set -e
 
-# this if... will be removed when gomodules goes default
-if [ "$GO111MODULE" == "off" ]; then
-	echo "Warning: this will be deprecated in near future so please use go modules!"
-
-	ORG_PATH="gopkg.in/k8snetworkplumbingwg"
-	REPO_PATH="${ORG_PATH}/multus-cni"
-
-	if [ ! -h gopath/src/${REPO_PATH} ]; then
-		mkdir -p gopath/src/${ORG_PATH}
-		ln -s ../../../.. gopath/src/${REPO_PATH} || exit 255
-	fi
-
-	export GO15VENDOREXPERIMENT=1
-	export GOBIN=${PWD}/bin
-	export GOPATH=${PWD}/gopath
-	bash -c "umask 0; cd ${GOPATH}/src/${REPO_PATH}; PATH=${GOROOT}/bin:$(pwd)/bin:${PATH} go test -v -covermode=count -coverprofile=coverage.out ./..."
-else
-	# test with go modules
-	bash -c "umask 0; go test -v -race -covermode=atomic -coverprofile=coverage.out ./..."
-fi
+bash -c "umask 0; go test -v -race -covermode=atomic -coverprofile=coverage.out ./..."

images/Dockerfile.openshift

@@ -5,7 +5,6 @@ FROM local/okdbuilder:latest as builder
 ADD . /usr/src/multus-cni
 
 WORKDIR /usr/src/multus-cni
-ENV GO111MODULE=off
 RUN ./hack/build-go.sh
 
 FROM quay.io/openshift/origin-base:latest