Update release-tools from 3.0.

Merge commit '3b6d17b13db026b354934e0f407b556d63382af4' into prow-2.1

Author: mattcary

release-tools/build.make

@@ -20,7 +20,7 @@
 
 # This is the default. It can be overridden in the main Makefile after
 # including build.make.
-REGISTRY_NAME=quay.io/k8scsi
+REGISTRY_NAME?=quay.io/k8scsi
 
 # Can be set to -mod=vendor to ensure that the "vendor" directory is used.
 GOFLAGS_VENDOR=
@@ -69,12 +69,17 @@ endif
 # toolchain.
 BUILD_PLATFORMS =
 
+# Add go ldflags using LDFLAGS at the time of compilation.
+IMPORTPATH_LDFLAGS = -X main.version=$(REV) 
+EXT_LDFLAGS = -extldflags "-static"
+LDFLAGS = 
+FULL_LDFLAGS = $(LDFLAGS) $(IMPORTPATH_LDFLAGS) $(EXT_LDFLAGS)
 # This builds each command (= the sub-directories of ./cmd) for the target platform(s)
 # defined by BUILD_PLATFORMS.
 $(CMDS:%=build-%): build-%: check-go-version-go
 	mkdir -p bin
 	echo '$(BUILD_PLATFORMS)' | tr ';' '\n' | while read -r os arch suffix; do \
-		if ! (set -x; CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '-X main.version=$(REV) -extldflags "-static"' -o "./bin/$*$$suffix" ./cmd/$*); then \
+		if ! (set -x; CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '$(FULL_LDFLAGS)' -o "./bin/$*$$suffix" ./cmd/$*); then \
 			echo "Building $* for GOOS=$$os GOARCH=$$arch failed, see error(s) above."; \
 			exit 1; \
 		fi; \

release-tools/cloudbuild.yaml

@@ -16,7 +16,9 @@
 # To promote release images, see https://github.com/kubernetes/k8s.io/tree/master/k8s.gcr.io/images/k8s-staging-sig-storage.
 
 # This must be specified in seconds. If omitted, defaults to 600s (10 mins).
-timeout: 1800s
+# Building three images in external-snapshotter takes roughly half an hour,
+# sometimes more.
+timeout: 3600s
 # This prevents errors if you don't use both _GIT_TAG and _PULL_BASE_REF,
 # or any new substitutions added in the future.
 options: