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Remove v2 data before etcd rollback #36738

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Nov 16, 2016
Merged

Remove v2 data before etcd rollback #36738

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6 changes: 6 additions & 0 deletions cluster/images/etcd/migrate-if-needed.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -222,6 +222,12 @@ if [ "${CURRENT_STORAGE}" = "etcd3" -a "${TARGET_STORAGE}" = "etcd2" ]; then
echo "etcd3 -> etcd2 downgrade is supported only between 3.0.x and 2.3.7"
return 0
fi
echo "Backup and remove all existing v2 data"
ROLLBACK_BACKUP_DIR="${DATA_DIRECTORY}.bak"
rm -rf "${ROLLBACK_BACKUP_DIR}"
mkdir -p "${ROLLBACK_BACKUP_DIR}"
cp -r "${DATA_DIRECTORY}" "${ROLLBACK_BACKUP_DIR}"
rm -rf "${DATA_DIRECTORY}"/member/snap/*.snap
echo "Performing etcd3 -> etcd2 rollback"
${ROLLBACK} --data-dir "${DATA_DIRECTORY}"
if [ "$?" -ne "0" ]; then
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