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#!/bin/bash
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
set -o errexit
set -o nounset
set -o pipefail
source _common_test.sh
source _functions.sh
rm -f $HOME/*.yaml
pod_name=nfd-pod
install_deps
function create_pod_yaml_with_affinity {
cat << POD > $HOME/$pod_name-affinity.yaml
apiVersion: v1
kind: Pod
metadata:
name: $pod_name
spec:
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: "feature.node.kubernetes.io/kernel-version.major"
operator: Gt
values:
- '3'
- matchExpressions:
- key: "feature.node.kubernetes.io/kernel-version.major"
operator: Lt
values:
- '20'
- matchExpressions:
- key: "feature.node.kubernetes.io/kernel-version.major"
operator: In
values:
- '3'
- '4'
- '5'
- matchExpressions:
- key: "feature.node.kubernetes.io/kernel-version.major"
operator: NotIn
values:
- '1'
- matchExpressions:
- key: "feature.node.kubernetes.io/kernel-version.major"
operator: Exists
- matchExpressions:
- key: "feature.node.kubernetes.io/label_does_not_exist"
operator: DoesNotExist
containers:
- name: with-node-affinity
image: gcr.io/google_containers/pause:2.0
POD
}
function create_pod_yaml_with_nodeSelector {
# Get the major kernel version of a worker node in the cluster:
# this will be used below in the node selector of the test pod
local -r node_name=$(kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name} {.spec.taints[?(@.effect=="NoSchedule")].effect}{"\n"}{end}' | awk 'NF==1 {print $0;exit}')
local -r kernel_version=$(kubectl get node ${node_name} -o jsonpath='{.metadata.labels.feature\.node\.kubernetes\.io/kernel-version\.major}')
cat << POD > $HOME/$pod_name-nodeSelector.yaml
apiVersion: v1
kind: Pod
metadata:
name: ${pod_name}
spec:
nodeSelector:
feature.node.kubernetes.io/kernel-version.major: '${kernel_version}'
containers:
- name: with-node-affinity
image: gcr.io/google_containers/pause:2.0
POD
}
if $(kubectl version &>/dev/null); then
labels=$(kubectl get nodes -o json | jq .items[].metadata.labels)
echo $labels
if [[ $labels != *"kubernetes.io"* ]]; then
exit 1
fi
create_pod_yaml_with_affinity
create_pod_yaml_with_nodeSelector
for podType in ${POD_TYPE:-nodeSelector affinity}; do
kubectl delete pod $pod_name --ignore-not-found=true --now
while kubectl get pod $pod_name &>/dev/null; do
sleep 5
done
kubectl create -f $HOME/$pod_name-$podType.yaml --validate=false
for pod in $pod_name; do
wait_for_pod $pod
done
kubectl delete pod $pod_name
while kubectl get pod $pod_name &>/dev/null; do
sleep 5
done
done
fi
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