The run_docker_login fails intermittently due to authentication
failure. Currently operation is aborted without touching flag file,
which result subsequent operations are not completed.
This change is to add reattempt when docker login fails.
Closes-Bug: 1931268
Change-Id: Id6961b1b68f2fce07a3a65917eeaeadcd742f4f1
Signed-off-by: Bin Qian <bin.qian@windriver.com>
c9721f3df0