Use specific version of docker instead of latest.

cluster/centos/build.sh

@@ -52,8 +52,8 @@ function download-releases() {
   echo "Download kubernetes release v${K8S_VERSION} ..."
   curl -L ${K8S_DOWNLOAD_URL} -o ${RELEASES_DIR}/kubernetes.tar.gz
 
-  echo "Download docker-latest ..."
-  curl -L https://get.docker.com/builds/Linux/x86_64/docker-latest.tgz -o ${RELEASES_DIR}/docker.tar.gz
+  echo "Download docker release v${DOCKER_VERSION} ..."
+  curl -L ${DOCKER_DOWNLOAD_URL} -o ${RELEASES_DIR}/docker.tar.gz
 }
 
 function unpack-releases() {
@@ -95,6 +95,7 @@ function unpack-releases() {
     cp ${RELEASES_DIR}/kubernetes/server/kubernetes/server/bin/kubectl ${BINARY_DIR}
   fi
 
+  # docker
   if [[ -f ${RELEASES_DIR}/docker.tar.gz ]]; then
     tar xzf ${RELEASES_DIR}/docker.tar.gz -C ${RELEASES_DIR}
 

cluster/centos/config-build.sh

@@ -19,6 +19,9 @@
 # Directory to store release packages that will be downloaded.
 RELEASES_DIR=${RELEASES_DIR:-/tmp/downloads}
 
+# Define docker version to use.
+DOCKER_VERSION=${DOCKER_VERSION:-"1.12.0"}
+
 # Define flannel version to use.
 FLANNEL_VERSION=${FLANNEL_VERSION:-"0.5.5"}
 
@@ -28,6 +31,9 @@ ETCD_VERSION=${ETCD_VERSION:-"3.0.4"}
 # Define k8s version to use.
 K8S_VERSION=${K8S_VERSION:-"1.3.5"}
 
+DOCKER_DOWNLOAD_URL=\
+"https://get.docker.com/builds/Linux/x86_64/docker-${DOCKER_VERSION}.tgz"
+
 FLANNEL_DOWNLOAD_URL=\
 "https://github.com/coreos/flannel/releases/download/v${FLANNEL_VERSION}/flannel-${FLANNEL_VERSION}-linux-amd64.tar.gz"
 

cluster/centos/node/scripts/docker.sh

@@ -35,7 +35,7 @@ Type=notify
 EnvironmentFile=-/run/flannel/docker
 EnvironmentFile=-/opt/kubernetes/cfg/docker
 WorkingDirectory=/opt/kubernetes/bin
-ExecStart=/opt/kubernetes/bin/docker daemon \$DOCKER_OPT_BIP \$DOCKER_OPT_MTU \$DOCKER_OPTS
+ExecStart=/opt/kubernetes/bin/dockerd \$DOCKER_OPT_BIP \$DOCKER_OPT_MTU \$DOCKER_OPTS
 LimitNOFILE=1048576
 LimitNPROC=1048576