RANGER-1875:The installer of the kms should not repeatedly add a user to the same group.
RANGER-1875:The installer of the kms should not repeatedly add a user to the same group.

Signed-off-by: zhangqiang2 <59d8f092337ab57e0fbbd1ec7478e9c4fee7874e@zte.com.cn>

gzsombor/ranger,gzsombor/ranger,gzsombor/ranger,gzsombor/ranger,gzsombor/ranger,gzsombor/ranger