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environment_check.sh: add nfs client kernel support

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Longhorn 3157

Signed-off-by: Derek Su <derek.su@suse.com>
This commit is contained in:
Derek Su 2022-12-26 12:56:14 +08:00 committed by David Ko
parent 38aa0d01d5
commit c83497b685
1 changed files with 34 additions and 0 deletions
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34
scripts/environment_check.sh
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@ -312,6 +312,39 @@ check_iscsid() {
fi
}
check_nfs_client_kernel_support() {
local pods=$(kubectl get pods -o name -l app=longhorn-environment-check)
local all_found=true
local nfs_client_kernel_configs=("CONFIG_NFS_V4_1" "CONFIG_NFS_V4_2")
for config in "${nfs_client_kernel_configs[@]}"; do
declare -A nodes
for pod in ${pods}; do
node=`kubectl get ${pod} --no-headers -o=custom-columns=:.spec.nodeName`
res=`kubectl exec -t $pod -- nsenter --mount=/proc/1/ns/mnt -- bash -c "grep -E \"^# ${config}\" /boot/config-$(uname -r)" > /dev/null 2>&1`
if [[ $? == 0 ]]; then
all_found=false
nodes["${node}"]="${node}"
else
res=`kubectl exec -t $pod -- nsenter --mount=/proc/1/ns/mnt -- bash -c "grep -E ${config} /boot/config-$(uname -r)" > /dev/null 2>&1`
if [[ $? != 0 ]]; then
all_found=false
warn "Unable to check kernel config ${config}"
fi
fi
done
if [ ${#nodes[@]} != 0 ]; then
warn ""${config}" kernel config is not enabled on nodes ${nodes[*]}."
fi
done
if [[ ${all_found} == false ]]; then
warn "NFS client kernel support, ${nfs_client_kernel_configs[*]}, is not enabled on Longhorn nodes. Please refer to https://longhorn.io/docs/1.4.0/deploy/install/#installing-nfsv4-client for more information."
fi
}
######################################################
# Main logics
######################################################
@ -328,6 +361,7 @@ trap cleanup EXIT
create_ds
wait_ds_ready
check_nfs_client_kernel_support
check_package_installed
check_iscsid
check_multipathd