build/packages/yum: fail if a package is missing
build/packages/yum: fail if a package is missing

YUM does not fail if a package is missing in the list that we give to
the install function.
That means we have to detect when having a missing package and fail to
build the role.

Signed-off-by: Emilien Macchi <d605a501dec15c980af71d9dfebf4b595ab6da1f@enovance.com>

redhat-cip/edeploy,enovance/edeploy,enovance/edeploy,redhat-cip/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,lebauce/edeploy,lebauce/edeploy,enovance/edeploy