Merge pull request #15628 from spowelljr/updateKVMDockerMachineBaseImage

Update kvm docker machine base image

Makefile

@@ -901,7 +901,7 @@ else
 		-buildvcs=false \
 		-installsuffix "static" \
 		-ldflags="$(KVM2_LDFLAGS)" \
-		-tags "libvirt.1.3.1 without_lxc" \
+		-tags "libvirt_without_lxc" \
 		-o $@ \
 		k8s.io/minikube/cmd/drivers/kvm
 endif
@@ -911,15 +911,14 @@ out/docker-machine-driver-kvm2-%:
 ifeq ($(MINIKUBE_BUILD_IN_DOCKER),y)
 	docker image inspect -f '{{.Id}} {{.RepoTags}}' $(KVM_BUILD_IMAGE_AMD64) || $(MAKE) kvm-image-amd64
 	$(call DOCKER,$(KVM_BUILD_IMAGE_AMD64),/usr/bin/make $@ COMMIT=$(COMMIT))
-	# make extra sure that we are linking with the older version of libvirt (1.3.1)
-	test "`strings $@ | grep '^LIBVIRT_[0-9]' | sort | tail -n 1`" = "LIBVIRT_1.2.9"
 else
 	$(if $(quiet),@echo "  GO       $@")
 	$(Q)GOARCH=$* \
 	go build \
+	        -buildvcs=false \
 		-installsuffix "static" \
 		-ldflags="$(KVM2_LDFLAGS)" \
-		-tags "libvirt.1.3.1 without_lxc" \
+		-tags "libvirt_without_lxc" \
 		-o $@ \
 		k8s.io/minikube/cmd/drivers/kvm
 endif

hack/jenkins/minikube_cross_build_and_upload.sh

@@ -39,6 +39,7 @@ declare -rx DEB_VER="$(make deb_version)"
 
 docker kill $(docker ps -q) || true
 docker rm $(docker ps -aq) || true
+docker system prune -a --volumes -f
 make -j 16 \
   all \
   minikube-darwin-arm64 \

installers/linux/kvm/Dockerfile.amd64

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM gcr.io/gcp-runtimes/ubuntu_16_0_4
+FROM gcr.io/gcp-runtimes/ubuntu_20_0_4
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
 		gcc \