Support cross compilation.

Also add more utilities to copy and clean stuff.

build/build-image/Dockerfile

@@ -13,15 +13,6 @@
 # limitations under the License.
 
 # This file creates a standard build environment for building Kubernetes
-#
-# Usage:
-#
-# # Assemble the full dev environment. This is slow the first time.
-# docker build -t kube-build .
-#
-# # Mount your source in an interactive container for quick testing:
-# docker run -v `pwd`:/go/src/github.com/GoogleCloudPlatform/kubernetes -i -t docker bash
-#
 
 FROM  google/debian:wheezy
 MAINTAINER  Joe Beda <jbeda@google.com>
@@ -50,15 +41,17 @@ RUN cd /usr/local/go/src && \
   bash -xc 'for platform in $KUBE_CROSSPLATFORMS; do GOOS=${platform%/*} GOARCH=${platform##*/} ./make.bash --no-clean 2>&1; done'
 
 # Set up Go Environment
-ENV PATH  /usr/local/go/bin:/go/bin:$PATH
+ENV PATH    /go/bin:$PATH
 ENV GOPATH  /go:/go/src/github.com/GoogleCloudPlatform/kubernetes/third_party
-
-# Mark this as a kube-build container
-RUN touch /kube-build-image
+ENV GOOS    linux
+ENV GOARCH  amd64
 
 # Get the code coverage tool and etcd for integration tests
 RUN go get code.google.com/p/go.tools/cmd/cover github.com/coreos/etcd
 
+# Mark this as a kube-build container
+RUN touch /kube-build-image
+
 WORKDIR /go/src/github.com/GoogleCloudPlatform/kubernetes
 
 # Upload Kubernetes

build/build-image/common.sh

@@ -25,3 +25,33 @@ mkdir -p "${KUBE_TARGET}"
 if [[ ! -f "/kube-build-image" ]]; then
   echo "WARNING: This script should be run in the kube-build conrtainer image!" >&2
 fi
+
+function make-binaries() {
+  readonly BINARIES="
+    proxy
+    integration
+    apiserver
+    controller-manager
+    kubelet
+    cloudcfg
+    localkube"
+
+  ARCH_TARGET="${KUBE_TARGET}/${GOOS}/${GOARCH}"
+  mkdir -p "${ARCH_TARGET}"
+
+  function make-binary() {
+    echo "+++ Building $1 for ${GOOS}/${GOARCH}"
+    go build \
+      -o "${ARCH_TARGET}/$1" \
+      github.com/GoogleCloudPlatform/kubernetes/cmd/$1
+  }
+
+  if [[ -n $1 ]]; then
+    make-binary $1
+    exit 0
+  fi
+
+  for b in ${BINARIES}; do
+    make-binary $b
+  done
+}

build/build-image/make-binaries.sh

@@ -20,26 +20,4 @@ set -e
 
 source $(dirname $0)/common.sh
 
-readonly BINARIES="
-  proxy
-  integration
-  apiserver
-  controller-manager
-  kubelet
-  cloudcfg
-  localkube"
-
-if [[ -n $1 ]]; then
-  echo "+++ Building $1"
-  go build \
-    -o "${KUBE_TARGET}/$1" \
-    github.com/GoogleCloudPlatform/kubernetes/cmd/$1
-  exit 0
-fi
-
-for b in ${BINARIES}; do
-  echo "+++ Building $b"
-  go build \
-    -o "${KUBE_TARGET}/$b" \
-    github.com/GoogleCloudPlatform/kubernetes/cmd/$b
-done
+make-binaries

build/build-image/make-cross.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This and builds all go components.
+
+set -e
+
+source $(dirname $0)/common.sh
+
+readonly CROSS_BINARIES="
+  cloudcfg
+"
+
+for platform in ${KUBE_CROSSPLATFORMS}; do
+  (
+    export GOOS=${platform%/*}
+    export GOARCH=${platform##*/}
+    for binary in ${CROSS_BINARIES}; do
+      make-binaries "${binary}"
+    done
+  )
+done

build/common.sh

@@ -90,6 +90,7 @@ function build-image() {
   set +e # We are handling the error here manually
   local -r DOCKER_OUTPUT="$(${DOCKER_BUILD_CMD} 2>&1)"
   if [ $? -ne 0 ]; then
+    set -e
     echo "+++ Docker build command failed." >&2
     echo >&2
     echo "${DOCKER_OUTPUT}" >&2
@@ -100,6 +101,8 @@ function build-image() {
     echo >&2
     return 1
   fi
+  set -e
+
 }
 
 # Run a command in the kube-build image.  This assumes that the image has
@@ -109,7 +112,7 @@ function run-build-command() {
 
   local -r DOCKER="docker run --rm --name=${DOCKER_CONTAINER_NAME} -it ${DOCKER_MOUNT} ${KUBE_BUILD_IMAGE}"
 
-  docker rm ${DOCKER_CONTAINER_NAME} >/dev/null 2>&1
+  docker rm ${DOCKER_CONTAINER_NAME} >/dev/null 2>&1 || true
 
   ${DOCKER} "$@"
 
@@ -130,10 +133,11 @@ function copy-output() {
     local DOCKER="docker run -a stdout --rm --name=${DOCKER_CONTAINER_NAME} ${DOCKER_MOUNT} ${KUBE_BUILD_IMAGE}"
 
     # Kill any leftover container
-    docker rm ${DOCKER_CONTAINER_NAME} >/dev/null 2>&1
+    docker rm ${DOCKER_CONTAINER_NAME} >/dev/null 2>&1 || true
 
     echo "+++ Syncing back output directory from boot2docker VM"
     mkdir -p "${LOCAL_OUTPUT_DIR}"
+    rm -rf "${LOCAL_OUTPUT_DIR}/*"
     ${DOCKER} sh -c "tar c -C ${REMOTE_OUTPUT_DIR} ."  \
       | tar xv -C "${LOCAL_OUTPUT_DIR}"
 
@@ -146,3 +150,5 @@ function copy-output() {
     # rsync --blocking-io -av -e "${DOCKER}" foo:${REMOTE_OUTPUT_DIR}/ ${LOCAL_OUTPUT_DIR}
   fi
 }
+
+

build/copy-output.sh

@@ -0,0 +1,26 @@
+#! /bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Make all of the Kubernetes binaries.
+#
+# This makes the docker build image, builds the binaries and copies them out
+# of the docker container.
+
+set -e
+
+source $(dirname $0)/common.sh
+
+copy-output

build/make-binaries.sh

@@ -25,4 +25,3 @@ source $(dirname $0)/common.sh
 
 build-image
 run-build-command build/build-image/make-binaries.sh "$@"
-copy-output

build/make-clean.sh

@@ -0,0 +1,27 @@
+#! /bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Make all of the Kubernetes binaries.
+#
+# This makes the docker build image, builds the binaries and copies them out
+# of the docker container.
+
+set -e
+
+source $(dirname $0)/common.sh
+
+build-image
+run-build-command rm -rf output/build/*

build/make-cross.sh

@@ -0,0 +1,27 @@
+#! /bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Make all of the Kubernetes binaries.
+#
+# This makes the docker build image, builds the binaries and copies them out
+# of the docker container.
+
+set -e
+
+source $(dirname $0)/common.sh
+
+build-image
+run-build-command build/build-image/make-cross.sh

build/shell.sh

@@ -27,4 +27,3 @@ source $(dirname $0)/common.sh
 
 build-image
 run-build-command bash
-copy-output