Switch to go-modules

This removes the old vendoring for go module support. We also add an
additional verification step to travis.

Signed-off-by: Sascha Grunert <sgrunert@suse.com>

.travis.yml

@@ -34,6 +34,7 @@ jobs:
       script:
         - make lint
         - make gofmt
+        - hack/verify-go-modules.sh
     - stage: Build
       os: linux # Only need to run on Linux
       script:

CONTRIBUTING.md

@@ -23,6 +23,5 @@ Follow either of the two links above to access the appropriate CLA and instructi
 
 ### Adding dependencies
 
-If your patch depends on new packages, add that package using the provided [hack/update-vendor.sh](hack/update-vendor.sh) script, which is a wrapper around [vndr](https://github.com/LK4D4/vndr).
-
-To restore package versions with `godep`, refer to the Kubernetes Community docs for [restoring dependencies](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/godep.md#restoring-deps).
+If your patch depends on new packages, add that package to the `go.mod` file,
+run `make vendor` and commit the changes.

Makefile

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+export GO111MODULE=off
+
 GO ?= go
 PROJECT := github.com/kubernetes-sigs/cri-tools
 BINDIR := /usr/local/bin
@@ -103,6 +105,12 @@ install.tools:
 release:
 	hack/release.sh
 
+vendor:
+	export GO111MODULE=on \
+		$(GO) mod tidy && \
+		$(GO) mod vendor && \
+		$(GO) mod verify
+
 .PHONY: \
 	help \
 	check-gopath \
@@ -119,4 +127,5 @@ release:
 	lint \
 	gofmt \
 	install.tools \
-	release
+	release \
+	vendor

go.mod

@@ -0,0 +1,53 @@
+module github.com/kubernetes-sigs/cri-tools
+
+go 1.12
+
+require (
+	github.com/docker/distribution v0.0.0-20190711223531-1fb7fffdb266
+	github.com/docker/docker v0.7.3-0.20190731001754-589f1dad8dad
+	github.com/docker/go-units v0.4.0
+	github.com/ghodss/yaml v1.0.0
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
+	github.com/golang/protobuf v1.3.2
+	github.com/onsi/ginkgo v1.8.0
+	github.com/onsi/gomega v1.5.0
+	github.com/opencontainers/go-digest v1.0.0-rc1
+	github.com/opencontainers/selinux v1.2.2
+	github.com/pborman/uuid v1.2.0
+	github.com/sirupsen/logrus v1.4.2
+	github.com/urfave/cli v0.0.0-20180821064027-934abfb2f102
+	golang.org/x/net v0.0.0-20190724013045-ca1201d0de80
+	golang.org/x/sys v0.0.0-20190730183949-1393eb018365
+	google.golang.org/grpc v1.22.1
+	gopkg.in/yaml.v2 v2.2.2
+	k8s.io/api v0.0.0
+	k8s.io/apimachinery v0.0.0
+	k8s.io/client-go v11.0.0+incompatible
+	k8s.io/cri-api v0.0.0
+	k8s.io/kubernetes v0.0.0
+)
+
+replace (
+	k8s.io/api => k8s.io/kubernetes/staging/src/k8s.io/api v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/apiextensions-apiserver => k8s.io/kubernetes/staging/src/k8s.io/apiextensions-apiserver v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/apimachinery => k8s.io/kubernetes/staging/src/k8s.io/apimachinery v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/apiserver => k8s.io/kubernetes/staging/src/k8s.io/apiserver v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/cli-runtime => k8s.io/kubernetes/staging/src/k8s.io/cli-runtime v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/client-go => k8s.io/kubernetes/staging/src/k8s.io/client-go v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/cloud-provider => k8s.io/kubernetes/staging/src/k8s.io/cloud-provider v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/cluster-bootstrap => k8s.io/kubernetes/staging/src/k8s.io/cluster-bootstrap v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/code-generator => k8s.io/kubernetes/staging/src/k8s.io/code-generator v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/component-base => k8s.io/kubernetes/staging/src/k8s.io/component-base v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/cri-api => k8s.io/kubernetes/staging/src/k8s.io/cri-api v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/csi-translation-lib => k8s.io/kubernetes/staging/src/k8s.io/csi-translation-lib v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kube-aggregator => k8s.io/kubernetes/staging/src/k8s.io/kube-aggregator v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kube-controller-manager => k8s.io/kubernetes/staging/src/k8s.io/kube-controller-manager v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kube-proxy => k8s.io/kubernetes/staging/src/k8s.io/kube-proxy v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kube-scheduler => k8s.io/kubernetes/staging/src/k8s.io/kube-scheduler v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kubectl => k8s.io/kubernetes/staging/src/k8s.io/kubectl v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kubelet => k8s.io/kubernetes/staging/src/k8s.io/kubelet v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/kubernetes => k8s.io/kubernetes v1.15.1
+	k8s.io/legacy-cloud-providers => k8s.io/kubernetes/staging/src/k8s.io/legacy-cloud-providers v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/metrics => k8s.io/kubernetes/staging/src/k8s.io/metrics v0.0.0-20190710032638-4485c6f18cee
+	k8s.io/sample-apiserver => k8s.io/kubernetes/staging/src/k8s.io/sample-apiserver v0.0.0-20190710032638-4485c6f18cee
+)