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SRE-3755 ci: Add NFS mount retry to handle transient server readiness #18244

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SRE-3755 ci: Add NFS mount retry to handle transient server readiness #18244

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23 changes: 21 additions & 2 deletions ci/functional/test_main_prep_node.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -339,9 +339,28 @@ if [ "$result" -ne 0 ]; then
fi

set -x
if [ -n "$FIRST_NODE" ] && ! grep /mnt/share /proc/mounts; then
if [ -n "$FIRST_NODE" ] && ! grep -qs ' /mnt/share ' /proc/mounts; then
mkdir -p /mnt/share
mount "$FIRST_NODE":/export/share /mnt/share
# Retry the NFS mount to handle the case where the NFS server on
# FIRST_NODE has not fully registered its exports yet.
nfs_mounted=false
for attempt in $(seq 1 3); do
if mount "$FIRST_NODE":/export/share /mnt/share; then
nfs_mounted=true
break
fi
echo "NFS mount attempt $attempt failed, retrying in 5s..."
sleep 5
done
if ! "$nfs_mounted"; then
echo "ERROR: NFS mount failed after $attempt attempts:"
echo " $FIRST_NODE:/export/share -> /mnt/share"
echo "Exports advertised by $FIRST_NODE:"
showmount -e "$FIRST_NODE" || true
echo "DNS/hosts resolution for $FIRST_NODE:"
getent hosts "$FIRST_NODE" || true
exit 32
fi
fi

# The package name defaults to "(root)" unless there is a dot in the
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