config non root login for dashboard (#4141)
config non root login for dashboard (#4141)

* config non root login for dashboard

Signed-off-by: baurine <b1894055a24851416cf2a658433bd6efd99f4b6c@gmail.com>

* refine

Signed-off-by: baurine <b1894055a24851416cf2a658433bd6efd99f4b6c@gmail.com>

* wip

Signed-off-by: baurine <b1894055a24851416cf2a658433bd6efd99f4b6c@gmail.com>
pingcap/pd,pingcap/pd