[go1.15] Update to go1.15

Signed-off-by: Stephen Augustus <saugustus@vmware.com>

build/build-image/cross/VERSION

@@ -1 +1 @@
-v1.15.0-rc.2-1
+v1.15.0-1

build/dependencies.yaml

@@ -82,21 +82,17 @@ dependencies:
     - path: cluster/images/etcd/migrate/options.go
 
   # Golang
-  - name: "golang"
-    version: 1.15.0-rc.2
+  - name: "golang: upstream version"
+    version: 1.15
     refPaths:
     - path: build/build-image/cross/VERSION
     - path: build/root/WORKSPACE
-      match: (override_)?go_version = "((([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)"
-
-  - name: "golang: upstream container image"
-    version: 1.15rc2
-    refPaths:
+      match: (override_)?go_version = "\d+.\d+(alpha|beta|rc)?\.?\d+"
     - path: test/images/Makefile
       match: GOLANG_VERSION=\d+.\d+(alpha|beta|rc)?\.?\d+
 
   - name: "k8s.gcr.io/kube-cross: dependents"
-    version: v1.15.0-rc.2-1
+    version: v1.15.0-1
     refPaths:
     - path: build/build-image/cross/VERSION
     - path: test/images/sample-apiserver/Dockerfile

build/root/WORKSPACE

@@ -23,10 +23,7 @@ load("@io_k8s_repo_infra//:repos.bzl", repo_infra_configure = "configure", repo_
 #            'override_go_version': used to specify an alternate go version provided
 #                                   by kubernetes/repo-infra
 repo_infra_configure(
-    # TODO(go1.15): Uncomment once we've published a repo-infra release that supports go1.15
-    #go_version = "1.15.0",
-    # TODO(go1.15): Comment out once we've published a repo-infra release that supports go1.15
-    override_go_version = "1.15.0-rc.2",
+    go_version = "1.15",
     minimum_bazel_version = "2.2.0",
 )
 

test/images/Makefile

@@ -16,7 +16,7 @@ REGISTRY ?= gcr.io/kubernetes-e2e-test-images
 GOARM ?= 7
 DOCKER_CERT_BASE_PATH ?=
 QEMUVERSION=v2.9.1
-GOLANG_VERSION=1.15rc2
+GOLANG_VERSION=1.15.0
 export
 
 ifndef WHAT

test/images/sample-apiserver/Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 ARG BASEIMAGE
-FROM k8s.gcr.io/build-image/kube-cross:v1.15.0-rc.2-1 as build_k8s_1_17_sample_apiserver
+FROM k8s.gcr.io/build-image/kube-cross:v1.15.0-1 as build_k8s_1_17_sample_apiserver
 
 ENV GOPATH /go
 RUN mkdir -p ${GOPATH}/src ${GOPATH}/bin