venv-salt-minion from systemsmanagement:saltstack:bundle:testing:SLE15 project

需要 SLE 15 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:saltstack:bundle:testing:SLE15/SLE_15/systemsmanagement:saltstack:bundle:testing:SLE15.repo
zypper refresh
zypper install venv-salt-minion