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1. Do not set Accelerator Node labels on master node in GCE k8s clusters

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2. Do not set Preemptible node label on master node unless the master node is explicitly set to be preemptible.

Signed-off-by: Vishnu kannan <vishnuk@google.com>
This commit is contained in:
Vishnu kannan 2018-09-10 14:50:42 -07:00
parent 25cbd1c753
commit 9dc14488e3
2 changed files with 14 additions and 8 deletions
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11
cluster/gce/config-default.sh
View File

@ -55,9 +55,6 @@ NODE_LOCAL_SSDS_EXT=${NODE_LOCAL_SSDS_EXT:-}
NODE_ACCELERATORS=${NODE_ACCELERATORS:-""} NODE_ACCELERATORS=${NODE_ACCELERATORS:-""}
REGISTER_MASTER_KUBELET=${REGISTER_MASTER:-true} REGISTER_MASTER_KUBELET=${REGISTER_MASTER:-true}
PREEMPTIBLE_NODE=${PREEMPTIBLE_NODE:-false} PREEMPTIBLE_NODE=${PREEMPTIBLE_NODE:-false}
if [[ "${PREEMPTIBLE_NODE}" == "true" ]]; then
NODE_LABELS="${NODE_LABELS},cloud.google.com/gke-preemptible=true"
fi
PREEMPTIBLE_MASTER=${PREEMPTIBLE_MASTER:-false} PREEMPTIBLE_MASTER=${PREEMPTIBLE_MASTER:-false}
KUBE_DELETE_NODES=${KUBE_DELETE_NODES:-true} KUBE_DELETE_NODES=${KUBE_DELETE_NODES:-true}
KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-} # default value calculated below KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-} # default value calculated below
@ -177,6 +174,12 @@ HEAPSTER_MACHINE_TYPE="${HEAPSTER_MACHINE_TYPE:-}"
# NON_MASTER_NODE_LABELS are labels will only be applied on non-master nodes. # NON_MASTER_NODE_LABELS are labels will only be applied on non-master nodes.
NON_MASTER_NODE_LABELS="${KUBE_NON_MASTER_NODE_LABELS:-}" NON_MASTER_NODE_LABELS="${KUBE_NON_MASTER_NODE_LABELS:-}"
if [[ "${PREEMPTIBLE_MASTER}" == "true" ]]; then
NODE_LABELS="${NODE_LABELS},cloud.google.com/gke-preemptible=true"
elif [[ "${PREEMPTIBLE_NODE}" == "true" ]]; then
NON_MASTER_NODE_LABELS="${NON_MASTER_NODE_LABELS},cloud.google.com/gke-preemptible=true"
fi
# To avoid running Calico on a node that is not configured appropriately, # To avoid running Calico on a node that is not configured appropriately,
# label each Node so that the DaemonSet can run the Pods only on ready Nodes. # label each Node so that the DaemonSet can run the Pods only on ready Nodes.
if [[ ${NETWORK_POLICY_PROVIDER:-} == "calico" ]]; then if [[ ${NETWORK_POLICY_PROVIDER:-} == "calico" ]]; then
@ -253,7 +256,7 @@ FEATURE_GATES="${KUBE_FEATURE_GATES:-ExperimentalCriticalPodAnnotation=true}"
if [[ ! -z "${NODE_ACCELERATORS}" ]]; then if [[ ! -z "${NODE_ACCELERATORS}" ]]; then
FEATURE_GATES="${FEATURE_GATES},DevicePlugins=true" FEATURE_GATES="${FEATURE_GATES},DevicePlugins=true"
if [[ "${NODE_ACCELERATORS}" =~ .*type=([a-zA-Z0-9-]+).* ]]; then if [[ "${NODE_ACCELERATORS}" =~ .*type=([a-zA-Z0-9-]+).* ]]; then
NODE_LABELS="${NODE_LABELS},cloud.google.com/gke-accelerator=${BASH_REMATCH[1]}" NON_MASTER_NODE_LABELS="${NON_MASTER_NODE_LABELS},cloud.google.com/gke-accelerator=${BASH_REMATCH[1]}"
fi fi
fi fi

11
cluster/gce/config-test.sh
View File

@ -55,9 +55,6 @@ REGISTER_MASTER_KUBELET=${REGISTER_MASTER:-true}
KUBE_APISERVER_REQUEST_TIMEOUT=300 KUBE_APISERVER_REQUEST_TIMEOUT=300
PREEMPTIBLE_NODE=${PREEMPTIBLE_NODE:-false} PREEMPTIBLE_NODE=${PREEMPTIBLE_NODE:-false}
PREEMPTIBLE_MASTER=${PREEMPTIBLE_MASTER:-false} PREEMPTIBLE_MASTER=${PREEMPTIBLE_MASTER:-false}
if [[ "${PREEMPTIBLE_NODE}" == "true" ]]; then
NODE_LABELS="${NODE_LABELS},cloud.google.com/gke-preemptible=true"
fi
KUBE_DELETE_NODES=${KUBE_DELETE_NODES:-true} KUBE_DELETE_NODES=${KUBE_DELETE_NODES:-true}
KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-true} KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-true}
CREATE_CUSTOM_NETWORK=${CREATE_CUSTOM_NETWORK:-false} CREATE_CUSTOM_NETWORK=${CREATE_CUSTOM_NETWORK:-false}
@ -215,6 +212,12 @@ KUBEPROXY_TEST_ARGS="${KUBEPROXY_TEST_ARGS:-} ${TEST_CLUSTER_API_CONTENT_TYPE}"
# NON_MASTER_NODE_LABELS are labels will only be applied on non-master nodes. # NON_MASTER_NODE_LABELS are labels will only be applied on non-master nodes.
NON_MASTER_NODE_LABELS="${KUBE_NON_MASTER_NODE_LABELS:-}" NON_MASTER_NODE_LABELS="${KUBE_NON_MASTER_NODE_LABELS:-}"
if [[ "${PREEMPTIBLE_MASTER}" == "true" ]]; then
NODE_LABELS="${NODE_LABELS},cloud.google.com/gke-preemptible=true"
elif [[ "${PREEMPTIBLE_NODE}" == "true" ]]; then
NON_MASTER_NODE_LABELS="${NON_MASTER_NODE_LABELS},cloud.google.com/gke-preemptible=true"
fi
# Optional: Enable netd. # Optional: Enable netd.
ENABLE_NETD="${KUBE_ENABLE_NETD:-false}" ENABLE_NETD="${KUBE_ENABLE_NETD:-false}"
CUSTOM_NETD_YAML="${KUBE_CUSTOM_NETD_YAML:-}" CUSTOM_NETD_YAML="${KUBE_CUSTOM_NETD_YAML:-}"
@ -260,7 +263,7 @@ fi
if [[ ! -z "${NODE_ACCELERATORS}" ]]; then if [[ ! -z "${NODE_ACCELERATORS}" ]]; then
FEATURE_GATES="${FEATURE_GATES},DevicePlugins=true" FEATURE_GATES="${FEATURE_GATES},DevicePlugins=true"
if [[ "${NODE_ACCELERATORS}" =~ .*type=([a-zA-Z0-9-]+).* ]]; then if [[ "${NODE_ACCELERATORS}" =~ .*type=([a-zA-Z0-9-]+).* ]]; then
NODE_LABELS="${NODE_LABELS},cloud.google.com/gke-accelerator=${BASH_REMATCH[1]}" NON_MASTER_NODE_LABELS="${NON_MASTER_NODE_LABELS},cloud.google.com/gke-accelerator=${BASH_REMATCH[1]}"
fi fi
fi fi