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deploy: adjust minikube deployment for RWOP support
The ReadWriteOncePod feature gate need to be enabled only when we are operating on kube 1.22 or above cluster. This commit adds the logic to parse the kubernetes cluster at time of minikube deployment and if it is above v1.22, enable the RWOP feature gate Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
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@ -43,6 +43,15 @@ minikube_version() {
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echo "${MINIKUBE_VERSION}" | sed 's/^v//' | cut -d'.' -f"${1}"
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}
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# parse the kubernetes version, return the digit passed as argument
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# v1.21.0 -> kube_version 1 -> 1
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# v1.21.0 -> kube_version 2 -> 21
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# v1.21.0 -> kube_version 3 -> 0
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kube_version() {
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echo "${KUBE_VERSION}" | sed 's/^v//' | cut -d'.' -f"${1}"
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}
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# detect if there is a minikube executable available already. If there is none,
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# fallback to using /usr/local/bin/minikube, as that is where
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# install_minikube() will place it too.
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@ -203,6 +212,13 @@ up)
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disable_storage_addons
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# get kubernetes version we are operating on and accordingly enable feature gates
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KUBE_MAJOR=$(kube_version 1)
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KUBE_MINOR=$(kube_version 2)
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if [ "${KUBE_MAJOR}" -eq 1 ] && [ "${KUBE_MINOR}" -ge 22 ];then
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# if kubernetes version is greater than 1.22 enable RWOP feature gate
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K8S_FEATURE_GATES="${K8S_FEATURE_GATES},ReadWriteOncePod=true"
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fi
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# shellcheck disable=SC2086
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${minikube} start --force --memory="${MEMORY}" --cpus="${CPUS}" -b kubeadm --kubernetes-version="${KUBE_VERSION}" --driver="${VM_DRIVER}" --feature-gates="${K8S_FEATURE_GATES}" --cni="${CNI}" ${EXTRA_CONFIG} ${EXTRA_CONFIG_PSP} --wait-timeout="${MINIKUBE_WAIT_TIMEOUT}" --wait="${MINIKUBE_WAIT}" --delete-on-failure ${DISK_CONFIG}
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