From 9a6e04dc1f896b27ff4193c45eeb3a3107338cfa Mon Sep 17 00:00:00 2001
From: Zach Loafman <zml@google.com>
Date: Thu, 2 Apr 2015 18:18:24 -0700
Subject: [PATCH] Cleanup output of Docker builds, fix #6389

---
 build/common.sh | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/build/common.sh b/build/common.sh
index 5f52e6381ded5..7548acfcc55ad 100644
--- a/build/common.sh
+++ b/build/common.sh
@@ -586,26 +586,34 @@ function kube::release::package_server_tarballs() {
   done
 }
 
+function kube::release::md5() {
+  if which md5 >/dev/null 2>&1; then
+    md5 -q "$1"
+  else
+    md5sum "$1" | awk '{ print $1 }'
+  fi
+}
+
 # This will take binaries that run on master and creates Docker images
 # that wrap the binary in them. (One docker image per binary)
 function kube::release::create_docker_images_for_server() {
   # Create a sub-shell so that we don't pollute the outer environment
   (
-    local binary_name;
+    local binary_name
     for binary_name in "${KUBE_DOCKER_WRAPPED_BINARIES[@]}"; do
-      echo "+++ Building docker image: ${binary_name}";
-      local docker_file_path="$1/Dockerfile";
-      local binary_file_path="$1/${binary_name}";
+      kube::log::status "Building docker image: ${binary_name}"
+      local docker_file_path="$1/Dockerfile"
+      local binary_file_path="$1/${binary_name}"
       if [ -f ${docker_file_path} ]; then
-        rm ${docker_file_path};
-      fi;
-      printf " FROM scratch \n ADD ${binary_name} /${binary_name} \n ENTRYPOINT [ \"/${binary_name}\" ]\n" >> ${docker_file_path};
-      local md5_sum=$(md5sum ${binary_file_path} | awk '{print $1}')
+        rm ${docker_file_path}
+      fi
+      printf " FROM scratch \n ADD ${binary_name} /${binary_name} \n ENTRYPOINT [ \"/${binary_name}\" ]\n" >> ${docker_file_path}
+      local md5_sum=$(kube::release::md5 ${binary_file_path})
       local docker_image_tag=gcr.io/google_containers/$binary_name:$md5_sum
-      docker build -t "${docker_image_tag}" ${1};
-      docker save ${docker_image_tag} > ${1}/${binary_name}.tar;
-      echo $md5_sum > ${1}/${binary_name}.docker_tag;
-      rm ${docker_file_path};
+      docker build -q -t "${docker_image_tag}" ${1} >/dev/null
+      docker save ${docker_image_tag} > ${1}/${binary_name}.tar
+      echo $md5_sum > ${1}/${binary_name}.docker_tag
+      rm ${docker_file_path}
     done
   )
 }