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Add WINDOWS_CONTAINER_RUNTIME env vairable

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Now the default value of container runtime for linux is changed to
containerd. However, containerd is not ready to be used in Windows node.
THis PR adds a new env varabile to handle container runtime setup for
windows nodes. This way, linux and windows can set up their owe container runtime.
By default, linux uses containerd while windows uses dockerd
This commit is contained in:
Jing Xu 2020-06-12 00:02:26 -07:00
parent 930b3a4df0
commit 953597134b
4 changed files with 21 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cluster/gce/config-default.sh
View File

@ -95,6 +95,8 @@ export KUBELET_TEST_ARGS=${KUBE_KUBELET_EXTRA_ARGS:-}
# Default container runtime
export CONTAINER_RUNTIME=${KUBE_CONTAINER_RUNTIME:-containerd}
# Default container runtime for windows
export WINDOWS_CONTAINER_RUNTIME=${KUBE_WINDOWS_CONTAINER_RUNTIME:-docker}
# Set default values with override
if [[ "${CONTAINER_RUNTIME}" == "docker" ]]; then

4
cluster/gce/config-test.sh
View File

@ -96,8 +96,10 @@ export NODE_IMAGE=${KUBE_GCE_NODE_IMAGE:-${GCI_VERSION}}
export NODE_IMAGE_PROJECT=${KUBE_GCE_NODE_PROJECT:-cos-cloud}
export NODE_SERVICE_ACCOUNT=${KUBE_GCE_NODE_SERVICE_ACCOUNT:-default}
# Default container runtime
# Default container runtime for linux
export CONTAINER_RUNTIME=${KUBE_CONTAINER_RUNTIME:-containerd}
# Default container runtime for windows
export WINDOWS_CONTAINER_RUNTIME=${KUBE_WINDOWS_CONTAINER_RUNTIME:-docker}
# Set default values with override
if [[ "${CONTAINER_RUNTIME}" == "docker" ]]; then

10
cluster/gce/util.sh
View File

@ -897,11 +897,11 @@ function construct-windows-kubelet-flags {
# Force disable KubeletPodResources feature on Windows until #78628 is fixed.
flags+=" --feature-gates=KubeletPodResources=false"
if [[ "${CONTAINER_RUNTIME:-}" != "docker" ]]; then
if [[ "${WINDOWS_CONTAINER_RUNTIME:-}" != "docker" ]]; then
flags+=" --container-runtime=remote"
if [[ "${CONTAINER_RUNTIME}" == "containerd" ]]; then
CONTAINER_RUNTIME_ENDPOINT=${KUBE_CONTAINER_RUNTIME_ENDPOINT:-npipe:////./pipe/containerd-containerd}
flags+=" --container-runtime-endpoint=${CONTAINER_RUNTIME_ENDPOINT}"
if [[ "${WINDOWS_CONTAINER_RUNTIME}" == "containerd" ]]; then
WINDOWS_CONTAINER_RUNTIME_ENDPOINT=${KUBE_WINDOWS_CONTAINER_RUNTIME_ENDPOINT:-npipe:////./pipe/containerd-containerd}
flags+=" --container-runtime-endpoint=${WINDOWS_CONTAINER_RUNTIME_ENDPOINT}"
fi
fi
@ -1550,6 +1550,8 @@ CNI_DIR: $(yaml-quote ${WINDOWS_CNI_DIR})
CNI_CONFIG_DIR: $(yaml-quote ${WINDOWS_CNI_CONFIG_DIR})
WINDOWS_CNI_STORAGE_PATH: $(yaml-quote ${WINDOWS_CNI_STORAGE_PATH})
WINDOWS_CNI_VERSION: $(yaml-quote ${WINDOWS_CNI_VERSION})
WINDOWS_CONTAINER_RUNTIME: $(yaml-quote ${WINDOWS_CONTAINER_RUNTIME})
WINDOWS_CONTAINER_RUNTIME_ENDPOINT: $(yaml-quote ${WINDOWS_CONTAINER_RUNTIME_ENDPOINT})
MANIFESTS_DIR: $(yaml-quote ${WINDOWS_MANIFESTS_DIR})
PKI_DIR: $(yaml-quote ${WINDOWS_PKI_DIR})
CA_FILE_PATH: $(yaml-quote ${WINDOWS_CA_FILE})

12
cluster/gce/windows/k8s-node-setup.psm1
View File

@ -241,6 +241,14 @@ function Set_CurrentShellEnvironmentVar {
# Sets environment variables used by Kubernetes binaries and by other functions
# in this module. Depends on numerous ${kube_env} keys.
function Set-EnvironmentVars {
if ($kube_env.ContainsKey('WINDOWS_CONTAINER_RUNTIME')) {
$container_runtime = ${kube_env}['WINDOWS_CONTAINER_RUNTIME']
$container_runtime_endpoint = ${kube_env}['WINDOWS_CONTAINER_RUNTIME_ENDPOINT']
} else {
Log-Output "ERROR: WINDOWS_CONTAINER_RUNTIME not set in kube-env, falling back in CONTAINER_RUNTIME"
$container_runtime = ${kube_env}['CONTAINER_RUNTIME']
$container_runtime_endpoint = ${kube_env}['CONTAINER_RUNTIME_ENDPOINT']
}
# Turning the kube-env values into environment variables is not required but
# it makes debugging this script easier, and it also makes the syntax a lot
# easier (${env:K8S_DIR} can be expanded within a string but
@ -268,8 +276,8 @@ function Set-EnvironmentVars {
"KUBELET_CERT_PATH" = ${kube_env}['PKI_DIR'] + '\kubelet.crt'
"KUBELET_KEY_PATH" = ${kube_env}['PKI_DIR'] + '\kubelet.key'
"CONTAINER_RUNTIME" = ${kube_env}['CONTAINER_RUNTIME']
"CONTAINER_RUNTIME_ENDPOINT" = ${kube_env}['CONTAINER_RUNTIME_ENDPOINT']
"CONTAINER_RUNTIME" = $container_runtime
"CONTAINER_RUNTIME_ENDPOINT" = $container_runtime_endpoint
'LICENSE_DIR' = 'C:\Program Files\Google\Compute Engine\THIRD_PARTY_NOTICES'
}