cluster/gce: Rename coreos to container-linux.

build/lib/release.sh

@@ -376,7 +376,7 @@ function kube::release::package_kube_manifests_tarball() {
   cp "${KUBE_ROOT}/cluster/gce/gci/configure-helper.sh" "${dst_dir}/gci-configure-helper.sh"
   cp "${KUBE_ROOT}/cluster/gce/gci/mounter/mounter" "${dst_dir}/gci-mounter"
   cp "${KUBE_ROOT}/cluster/gce/gci/health-monitor.sh" "${dst_dir}/health-monitor.sh"
-  cp "${KUBE_ROOT}/cluster/gce/coreos/configure-helper.sh" "${dst_dir}/coreos-configure-helper.sh"
+  cp "${KUBE_ROOT}/cluster/gce/container-linux/configure-helper.sh" "${dst_dir}/container-linux-configure-helper.sh"
   cp -r "${salt_dir}/kube-admission-controls/limit-range" "${dst_dir}"
   local objects
   objects=$(cd "${KUBE_ROOT}/cluster/addons" && find . \( -name \*.yaml -or -name \*.yaml.in -or -name \*.json \) | grep -v demo)

cluster/common.sh

@@ -439,10 +439,10 @@ function find-release-tars() {
     exit 1
   fi
 
-  # This tarball is used by GCI, Ubuntu Trusty, and CoreOS.
+  # This tarball is used by GCI, Ubuntu Trusty, and Container Linux.
   KUBE_MANIFESTS_TAR=
-  if [[ "${MASTER_OS_DISTRIBUTION:-}" == "trusty" || "${MASTER_OS_DISTRIBUTION:-}" == "gci" || "${MASTER_OS_DISTRIBUTION:-}" == "coreos" ]] || \
-     [[ "${NODE_OS_DISTRIBUTION:-}" == "trusty" || "${NODE_OS_DISTRIBUTION:-}" == "gci" || "${NODE_OS_DISTRIBUTION:-}" == "coreos" ]] ; then
+  if [[ "${MASTER_OS_DISTRIBUTION:-}" == "trusty" || "${MASTER_OS_DISTRIBUTION:-}" == "gci" || "${MASTER_OS_DISTRIBUTION:-}" == "container-linux" ]] || \
+     [[ "${NODE_OS_DISTRIBUTION:-}" == "trusty" || "${NODE_OS_DISTRIBUTION:-}" == "gci" || "${NODE_OS_DISTRIBUTION:-}" == "container-linux" ]] ; then
     KUBE_MANIFESTS_TAR="${KUBE_ROOT}/server/kubernetes-manifests.tar.gz"
     if [[ ! -f "${KUBE_MANIFESTS_TAR}" ]]; then
       KUBE_MANIFESTS_TAR="${KUBE_ROOT}/_output/release-tars/kubernetes-manifests.tar.gz"
@@ -573,9 +573,9 @@ function build-kube-env {
   local server_binary_tar_url=$SERVER_BINARY_TAR_URL
   local salt_tar_url=$SALT_TAR_URL
   local kube_manifests_tar_url="${KUBE_MANIFESTS_TAR_URL:-}"
-  if [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "coreos" ]] || \
-     [[ "${master}" == "false" && "${NODE_OS_DISTRIBUTION}" == "coreos" ]] ; then
-    # TODO: Support fallback .tar.gz settings on CoreOS
+  if [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "container-linux" ]] || \
+     [[ "${master}" == "false" && "${NODE_OS_DISTRIBUTION}" == "container-linux" ]] ; then
+    # TODO: Support fallback .tar.gz settings on Container Linux
     server_binary_tar_url=$(split_csv "${SERVER_BINARY_TAR_URL}")
     salt_tar_url=$(split_csv "${SALT_TAR_URL}")
     kube_manifests_tar_url=$(split_csv "${KUBE_MANIFESTS_TAR_URL}")
@@ -655,8 +655,8 @@ EOF
 TERMINATED_POD_GC_THRESHOLD: $(yaml-quote ${TERMINATED_POD_GC_THRESHOLD})
 EOF
   fi
-  if [[ "${master}" == "true" && ("${MASTER_OS_DISTRIBUTION}" == "trusty" || "${MASTER_OS_DISTRIBUTION}" == "gci" || "${MASTER_OS_DISTRIBUTION}" == "coreos") ]] || \
-     [[ "${master}" == "false" && ("${NODE_OS_DISTRIBUTION}" == "trusty" || "${NODE_OS_DISTRIBUTION}" == "gci" || "${NODE_OS_DISTRIBUTION}" == "coreos") ]] ; then
+  if [[ "${master}" == "true" && ("${MASTER_OS_DISTRIBUTION}" == "trusty" || "${MASTER_OS_DISTRIBUTION}" == "gci" || "${MASTER_OS_DISTRIBUTION}" == "container-linux") ]] || \
+     [[ "${master}" == "false" && ("${NODE_OS_DISTRIBUTION}" == "trusty" || "${NODE_OS_DISTRIBUTION}" == "gci" || "${NODE_OS_DISTRIBUTION}" == "container-linux") ]] ; then
     cat >>$file <<EOF
 KUBE_MANIFESTS_TAR_URL: $(yaml-quote ${kube_manifests_tar_url})
 KUBE_MANIFESTS_TAR_HASH: $(yaml-quote ${KUBE_MANIFESTS_TAR_HASH})
@@ -799,9 +799,9 @@ EOF
 EVICTION_HARD: $(yaml-quote ${EVICTION_HARD})
 EOF
     fi
-  if [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "coreos" ]] || \
-     [[ "${master}" == "false" && "${NODE_OS_DISTRIBUTION}" == "coreos" ]]; then
-    # CoreOS-only env vars. TODO(yifan): Make them available on other distros.
+  if [[ "${master}" == "true" && "${MASTER_OS_DISTRIBUTION}" == "container-linux" ]] || \
+     [[ "${master}" == "false" && "${NODE_OS_DISTRIBUTION}" == "container-linux" ]]; then
+    # Container-Linux-only env vars. TODO(yifan): Make them available on other distros.
     cat >>$file <<EOF
 KUBERNETES_CONTAINER_RUNTIME: $(yaml-quote ${CONTAINER_RUNTIME:-rkt})
 RKT_VERSION: $(yaml-quote ${RKT_VERSION:-})

cluster/gce/config-default.sh

@@ -39,6 +39,13 @@ KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-false}
 
 MASTER_OS_DISTRIBUTION=${KUBE_MASTER_OS_DISTRIBUTION:-${KUBE_OS_DISTRIBUTION:-gci}}
 NODE_OS_DISTRIBUTION=${KUBE_NODE_OS_DISTRIBUTION:-${KUBE_OS_DISTRIBUTION:-debian}}
+if [[ "${MASTER_OS_DISTRIBUTION}" == "coreos" ]]; then
+    MASTER_OS_DISTRIBUTION="container-linux"
+fi
+if [[ "${NODE_OS_DISTRIBUTION}" == "coreos" ]]; then
+    NODE_OS_DISTRIBUTION="container-linux"
+fi
+
 # By default a cluster will be started with the master on GCI and nodes on
 # containervm. If you are updating the containervm version, update this
 # variable. Also please update corresponding image for node e2e at:

cluster/gce/config-test.sh

@@ -40,6 +40,13 @@ KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-true}
 
 MASTER_OS_DISTRIBUTION=${KUBE_MASTER_OS_DISTRIBUTION:-${KUBE_OS_DISTRIBUTION:-gci}}
 NODE_OS_DISTRIBUTION=${KUBE_NODE_OS_DISTRIBUTION:-${KUBE_OS_DISTRIBUTION:-debian}}
+if [[ "${MASTER_OS_DISTRIBUTION}" == "coreos" ]]; then
+    MASTER_OS_DISTRIBUTION="container-linux"
+fi
+if [[ "${NODE_OS_DISTRIBUTION}" == "coreos" ]]; then
+    NODE_OS_DISTRIBUTION="container-linux"
+fi
+
 # By default a cluster will be started with the master on GCI and nodes on
 # containervm. If you are updating the containervm version, update this
 # variable. Also please update corresponding image for node e2e at:

cluster/gce/container-linux/README.md

+# Container Linux image
+
+The [Container Linux Operating System](https://coreos.com/why/) is a Linux distribution optimized for running containers securely at scale.
+CoreOS provides [a Container Linux image](https://coreos.com/os/docs/latest/booting-on-google-compute-engine.html) for Google Cloud Platform (GCP).
+
+This folder contains configuration and tooling to allow kube-up to create a Kubernetes cluster on Google Cloud Platform running on the official Container Linux image.
+
+[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/gce/container-linux/README.md?pixel)]()

cluster/gce/coreos/configure-helper.sh → cluster/gce/container-linux/configure-helper.sh

@@ -1268,5 +1268,4 @@ else
     start-image-puller
   fi
 fi
-start-fluentd
 echo "Done for the configuration for kubernetes"

cluster/gce/coreos/configure.sh → cluster/gce/container-linux/configure.sh

@@ -147,7 +147,7 @@ function install-kube-binary-config {
     find "${dst_dir}" -name \*.manifest -or -name \*.json | \
       xargs sed -ri "s@(image\":\s+\")gcr.io/google_containers@\1${kube_addon_registry}@"
   fi
-  cp "${dst_dir}/kubernetes/gci-trusty/coreos-configure-helper.sh" "${KUBE_HOME}/bin/configure-helper.sh"
+  cp "${dst_dir}/kubernetes/gci-trusty/container-linux-configure-helper.sh" "${KUBE_HOME}/bin/configure-helper.sh"
   chmod -R 755 "${kube_bin}"
 
   # Clean up.
@@ -167,7 +167,7 @@ source "${KUBE_HOME}/kube-env"
 install-kube-binary-config
 echo "Done for installing kubernetes files"
 
-# On CoreOS, the hosts is in /usr/share/baselayout/hosts
+# On Container Linux, the hosts is in /usr/share/baselayout/hosts
 # So we need to manually populdate the hosts file here on gce.
 echo "127.0.0.1 localhost" >> /etc/hosts
 echo "::1 localhost" >> /etc/hosts

cluster/gce/coreos/helper.sh → cluster/gce/container-linux/helper.sh

@@ -14,6 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# A library of helper functions and constants for the CoreOS distro
+# A library of helper functions and constants for the Container Linux distro.
 
 # This file intentionally left blank

cluster/gce/coreos/master-helper.sh → cluster/gce/container-linux/master-helper.sh

@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# A library of helper functions and constant for coreos os distro
-source "${KUBE_ROOT}/cluster/gce/coreos/helper.sh"
+# A library of helper functions and constant for the Container Linux distro.
+source "${KUBE_ROOT}/cluster/gce/container-linux/helper.sh"
 
 # create-master-instance creates the master instance. If called with
 # an argument, the argument is used as the name to a reserved IP
@@ -85,7 +85,7 @@ function create-master-instance-internal() {
     --scopes "storage-ro,compute-rw,monitoring,logging-write" \
     --can-ip-forward \
     --metadata-from-file \
-      "kube-env=${KUBE_TEMP}/master-kube-env.yaml,user-data=${KUBE_ROOT}/cluster/gce/coreos/master.yaml,configure-sh=${KUBE_ROOT}/cluster/gce/coreos/configure.sh,cluster-name=${KUBE_TEMP}/cluster-name.txt" \
+      "kube-env=${KUBE_TEMP}/master-kube-env.yaml,user-data=${KUBE_ROOT}/cluster/gce/container-linux/master.yaml,configure-sh=${KUBE_ROOT}/cluster/gce/container-linux/configure.sh,cluster-name=${KUBE_TEMP}/cluster-name.txt" \
     --disk "name=${master_name}-pd,device-name=master-pd,mode=rw,boot=no,auto-delete=no" \
     --boot-disk-size "${MASTER_ROOT_DISK_SIZE:-30}" \
     ${preemptible_master}

cluster/gce/coreos/node-helper.sh → cluster/gce/container-linux/node-helper.sh

@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# A library of helper functions and constant for the CoreOS distro
-source "${KUBE_ROOT}/cluster/gce/coreos/helper.sh"
+# A library of helper functions and constant for the Container Linux distro.
+source "${KUBE_ROOT}/cluster/gce/container-linux/helper.sh"
 
 # $1: template name (required).
 function create-node-instance-template {
@@ -23,8 +23,8 @@ function create-node-instance-template {
 
   create-node-template "$template_name" "${scope_flags[*]}" \
     "kube-env=${KUBE_TEMP}/node-kube-env.yaml" \
-    "user-data=${KUBE_ROOT}/cluster/gce/coreos/node.yaml" \
-    "configure-sh=${KUBE_ROOT}/cluster/gce/coreos/configure.sh" \
+    "user-data=${KUBE_ROOT}/cluster/gce/container-linux/node.yaml" \
+    "configure-sh=${KUBE_ROOT}/cluster/gce/container-linux/configure.sh" \
     "cluster-name=${KUBE_TEMP}/cluster-name.txt"
   # TODO(euank): We should include update-strategy here. We should also switch to ignition
 }

cluster/gce/coreos/README.md

-# CoreOS image
-
-The [CoreOS operating system](https://coreos.com/why/) is a Linux distribution optimized for running containers securely at scale.
-CoreOS provides [an image](https://coreos.com/os/docs/latest/booting-on-google-compute-engine.html) for Google Cloud Platform (GCP).
-
-This folder contains configuration and tooling to allow kube-up to create a Kubernetes cluster on Google Cloud Platform running on the official CoreOS image.
-
-[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/cluster/gce/coreos/README.md?pixel)]()

cluster/gce/util.sh

@@ -23,14 +23,14 @@ source "${KUBE_ROOT}/cluster/gce/${KUBE_CONFIG_FILE-"config-default.sh"}"
 source "${KUBE_ROOT}/cluster/common.sh"
 source "${KUBE_ROOT}/cluster/lib/util.sh"
 
-if [[ "${NODE_OS_DISTRIBUTION}" == "debian" || "${NODE_OS_DISTRIBUTION}" == "coreos" || "${NODE_OS_DISTRIBUTION}" == "trusty" || "${NODE_OS_DISTRIBUTION}" == "gci" ]]; then
+if [[ "${NODE_OS_DISTRIBUTION}" == "debian" || "${NODE_OS_DISTRIBUTION}" == "container-linux" || "${NODE_OS_DISTRIBUTION}" == "trusty" || "${NODE_OS_DISTRIBUTION}" == "gci" ]]; then
   source "${KUBE_ROOT}/cluster/gce/${NODE_OS_DISTRIBUTION}/node-helper.sh"
 else
   echo "Cannot operate on cluster using node os distro: ${NODE_OS_DISTRIBUTION}" >&2
   exit 1
 fi
 
-if [[ "${MASTER_OS_DISTRIBUTION}" == "debian" || "${MASTER_OS_DISTRIBUTION}" == "coreos" || "${MASTER_OS_DISTRIBUTION}" == "trusty" || "${MASTER_OS_DISTRIBUTION}" == "gci" ]]; then
+if [[ "${MASTER_OS_DISTRIBUTION}" == "debian" || "${MASTER_OS_DISTRIBUTION}" == "container-linux" || "${MASTER_OS_DISTRIBUTION}" == "trusty" || "${MASTER_OS_DISTRIBUTION}" == "gci" ]]; then
   source "${KUBE_ROOT}/cluster/gce/${MASTER_OS_DISTRIBUTION}/master-helper.sh"
 else
   echo "Cannot operate on cluster using master os distro: ${MASTER_OS_DISTRIBUTION}" >&2
@@ -1666,7 +1666,7 @@ function check-resources() {
 #  $1 - whether prepare push to node
 function prepare-push() {
   local node="${1-}"
-  #TODO(dawnchen): figure out how to upgrade coreos node
+  #TODO(dawnchen): figure out how to upgrade a Container Linux node
   if [[ "${node}" == "true" && "${NODE_OS_DISTRIBUTION}" != "debian" ]]; then
     echo "Updating nodes in a kubernetes cluster with ${NODE_OS_DISTRIBUTION} is not supported yet." >&2
     exit 1

cluster/saltbase/salt/kube-addons/kube-addon-manager.yaml

@@ -12,7 +12,6 @@ spec:
     # When updating version also bump it in:
     # - cluster/images/hyperkube/static-pods/addon-manager-singlenode.json
     # - cluster/images/hyperkube/static-pods/addon-manager-multinode.json
-    # - cluster/gce/coreos/kube-manifests/kube-addon-manager.yaml
     image: gcr.io/google-containers/kube-addon-manager:v6.1
     command:
     - /bin/bash