build: some small improvements; bump to go1.10

- bump to go 1.10
- Add a linker tag with the build version
- Remove fastbuild, go builds are cached now
- Use better ginkgo suite names

scripts/release.sh

@@ -2,11 +2,12 @@
 set -xe
 
 SRC_DIR="${SRC_DIR:-$PWD}"
-BUILDFLAGS="-a --ldflags '-extldflags \"-static\"'"
 
 TAG=$(git describe --tags --dirty)
 RELEASE_DIR=release-${TAG}
 
+BUILDFLAGS="-ldflags '-extldflags -static -X main._buildVersion=${TAG}'"
+
 OUTPUT_DIR=bin
 
 # Always clean first
@@ -14,10 +15,10 @@ rm -Rf ${SRC_DIR}/${RELEASE_DIR}
 mkdir -p ${SRC_DIR}/${RELEASE_DIR}
 mkdir -p ${OUTPUT_DIR}
 
-docker run -i -v ${SRC_DIR}:/opt/src --rm golang:1.9-alpine \
+docker run -ti -v ${SRC_DIR}:/go/src/github.com/containernetworking/plugins --rm golang:1.10-alpine \
 /bin/sh -xe -c "\
     apk --no-cache add bash tar;
-    cd /opt/src; umask 0022;
+    cd /go/src/github.com/containernetworking/plugins; umask 0022;
     for arch in amd64 arm arm64 ppc64le s390x; do \
         rm -f ${OUTPUT_DIR}/*; \
         CGO_ENABLED=0 GOARCH=\$arch ./build.sh ${BUILDFLAGS}; \
@@ -25,9 +26,6 @@ docker run -i -v ${SRC_DIR}:/opt/src --rm golang:1.9-alpine \
             FILENAME=cni-plugins-\$arch-${TAG}.\$format; \
             FILEPATH=${RELEASE_DIR}/\$FILENAME; \
             tar -C ${OUTPUT_DIR} --owner=0 --group=0 -caf \$FILEPATH .; \
-            if [ \"\$arch\" == \"amd64\" ]; then \
-                cp \$FILEPATH ${RELEASE_DIR}/cni-${TAG}.\$format; \
-            fi; \
         done; \
     done;
     cd ${RELEASE_DIR};