Update to use kubernetes 1.15 as dependency

Add update-gomod.sh for updating go.mod

go.mod

@@ -2,21 +2,15 @@ module github.com/kubernetes-sigs/aws-ebs-csi-driver
 
 require (
 	bitbucket.org/ww/goautoneg v0.0.0-20120707110453-75cd24fc2f2c // indirect
-	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/NYTimes/gziphandler v1.0.1 // indirect
-	github.com/aws/aws-sdk-go v1.16.3
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
-	github.com/boltdb/bolt v1.3.1 // indirect
+	github.com/aws/aws-sdk-go v1.16.26
 	github.com/container-storage-interface/spec v1.1.0
-	github.com/coreos/bbolt v1.3.0 // indirect
-	github.com/coreos/etcd v3.3.10+incompatible // indirect
 	github.com/coreos/go-semver v0.2.0 // indirect
 	github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142 // indirect
 	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
 	github.com/docker/distribution v2.7.0+incompatible // indirect
-	github.com/docker/docker v0.0.0-20180422163414-57142e89befe // indirect
 	github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c // indirect
 	github.com/elazarl/go-bindata-assetfs v1.0.0 // indirect
 	github.com/elazarl/goproxy v0.0.0-20181111060418-2ce16c963a8a // indirect
@@ -25,81 +19,78 @@ require (
 	github.com/evanphx/json-patch v4.1.0+incompatible // indirect
 	github.com/fatih/camelcase v1.0.0 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
-	github.com/go-openapi/spec v0.17.2 // indirect
 	github.com/go-openapi/strfmt v0.17.2 // indirect
-	github.com/go-openapi/validate v0.17.2 // indirect
 	github.com/gogo/protobuf v1.1.1 // indirect
 	github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff // indirect
 	github.com/golang/mock v1.2.0
 	github.com/golang/protobuf v1.2.0
 	github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c // indirect
-	github.com/google/go-cmp v0.2.0 // indirect
-	github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf // indirect
 	github.com/googleapis/gnostic v0.2.0 // indirect
 	github.com/gorilla/websocket v1.4.0 // indirect
 	github.com/gotestyourself/gotestyourself v2.2.0+incompatible // indirect
 	github.com/gregjones/httpcache v0.0.0-20181110185634-c63ab54fda8f // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.5.1 // indirect
-	github.com/hashicorp/golang-lru v0.5.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/json-iterator/go v1.1.5 // indirect
 	github.com/kubernetes-csi/csi-test v2.0.0+incompatible
 	github.com/kubernetes-csi/external-snapshotter v1.0.1
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/onsi/ginkgo v1.7.0
 	github.com/onsi/gomega v1.4.3
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
-	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
-	github.com/pkg/errors v0.8.0 // indirect
-	github.com/prometheus/client_golang v0.9.1 // indirect
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 // indirect
-	github.com/prometheus/common v0.0.0-20181126121408-4724e9255275 // indirect
-	github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a // indirect
-	github.com/sirupsen/logrus v1.2.0 // indirect
 	github.com/soheilhy/cmux v0.1.4 // indirect
 	github.com/spf13/afero v1.1.2 // indirect
 	github.com/spf13/cobra v0.0.3 // indirect
 	github.com/spf13/pflag v1.0.3 // indirect
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6 // indirect
 	github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8 // indirect
-	github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 // indirect
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
 	go.uber.org/zap v1.9.1 // indirect
 	golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 // indirect
 	golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 // indirect
-	golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890 // indirect
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
 	golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862 // indirect
 	golang.org/x/text v0.3.2 // indirect
 	golang.org/x/time v0.0.0-20181108054448-85acf8d2951c // indirect
-	google.golang.org/appengine v1.3.0 // indirect
 	google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898 // indirect
 	google.golang.org/grpc v1.17.0
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/square/go-jose.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v2 v2.2.2 // indirect
-	gotest.tools v2.2.0+incompatible // indirect
-	k8s.io/api v0.0.0-20181204000039-89a74a8d264d
-	k8s.io/apiextensions-apiserver v0.0.0-20181204003920-20c909e7c8c3 // indirect
-	k8s.io/apimachinery v0.0.0-20181127025237-2b1284ed4c93
-	k8s.io/apiserver v0.0.0-20181204001702-9caa0299108f // indirect
-	k8s.io/cli-runtime v0.0.0-20181121073402-2f0d1d0a58f2 // indirect
-	k8s.io/client-go v2.0.0-alpha.0.0.20181213151034-8d9ed539ba31+incompatible
-	k8s.io/cloud-provider v0.0.0-20181121074215-9b77dc1c3846 // indirect
-	k8s.io/cluster-bootstrap v0.0.0-20181110194056-c71be3de9a2f // indirect
-	k8s.io/csi-api v0.0.0-20181130072956-61a1735c3f50 // indirect
-	k8s.io/klog v0.1.0
-	k8s.io/kube-aggregator v0.0.0-20181206110645-d02c483df5c3 // indirect
-	k8s.io/kube-openapi v0.0.0-20181114233023-0317810137be // indirect
-	k8s.io/kubernetes v1.13.1
-	k8s.io/utils v0.0.0-20181115163542-0d26856f57b3 // indirect
-	sigs.k8s.io/yaml v1.1.0 // indirect
+	k8s.io/api v0.0.0
+	k8s.io/apimachinery v0.0.0
+	k8s.io/client-go v0.0.0
+	k8s.io/klog v0.4.0
+	k8s.io/kubernetes v1.15.2
+)
+
+replace (
+	k8s.io/api => k8s.io/api v0.0.0-20190805141119-fdd30b57c827
+	k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.0.0-20190805143126-cdb999c96590
+	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20190612205821-1799e75a0719
+	k8s.io/apiserver => k8s.io/apiserver v0.0.0-20190805142138-368b2058237c
+	k8s.io/cli-runtime => k8s.io/cli-runtime v0.0.0-20190805143448-a07e59fb081d
+	k8s.io/client-go => k8s.io/client-go v0.0.0-20190805141520-2fe0317bcee0
+	k8s.io/cloud-provider => k8s.io/cloud-provider v0.0.0-20190805144409-8484242760e7
+	k8s.io/cluster-bootstrap => k8s.io/cluster-bootstrap v0.0.0-20190805144246-c01ee70854a1
+	k8s.io/code-generator => k8s.io/code-generator v0.0.0-20190612205613-18da4a14b22b
+	k8s.io/component-base => k8s.io/component-base v0.0.0-20190805141645-3a5e5ac800ae
+	k8s.io/cri-api => k8s.io/cri-api v0.0.0-20190531030430-6117653b35f1
+	k8s.io/csi-translation-lib => k8s.io/csi-translation-lib v0.0.0-20190805144531-3985229e1802
+	k8s.io/kube-aggregator => k8s.io/kube-aggregator v0.0.0-20190805142416-fd821fbbb94e
+	k8s.io/kube-controller-manager => k8s.io/kube-controller-manager v0.0.0-20190805144128-269742da31dd
+	k8s.io/kube-proxy => k8s.io/kube-proxy v0.0.0-20190805143734-7f1675b90353
+	k8s.io/kube-scheduler => k8s.io/kube-scheduler v0.0.0-20190805144012-2a1ed1f3d8a4
+	k8s.io/kubectl => k8s.io/kubectl v0.0.0-20190602132728-7075c07e78bf
+	k8s.io/kubelet => k8s.io/kubelet v0.0.0-20190805143852-517ff267f8d1
+	k8s.io/legacy-cloud-providers => k8s.io/legacy-cloud-providers v0.0.0-20190805144654-3d5bf3a310c1
+	k8s.io/metrics => k8s.io/metrics v0.0.0-20190805143318-16b07057415d
+	k8s.io/node-api => k8s.io/node-api v0.0.0-20190805144819-9dd62e4d5327
+	k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.0.0-20190805142637-3b65bc4bb24f
+	k8s.io/sample-cli-plugin => k8s.io/sample-cli-plugin v0.0.0-20190805143616-1485e5142db3
+	k8s.io/sample-controller => k8s.io/sample-controller v0.0.0-20190805142825-b16fad786282
 )