4dbfab66a1
CentOS 7 is the only distro we support currently that doesn't have Python 3 installed in some form in the base images. For centos 7 add an early install of it in the yum element so we can have all the in-chroot scripts assume Python 3. There is only one package that causes issues; yaml which comes from EPEL. Everywhere else it is a base package, but we don't have a way to say "enable epel to install this". Just hack it in, we don't want to go reworking the world for CentOS 7 at this point. Also add python3 and it's yaml library to the centos 8 path. This brings in the "user" python3 in /urs/bin/python3 (the "system" python3 is already installed). Again, this just lets us assume /usr/bin/python3 in scripts for all platforms. package-installs is one of these things running python in the chroot, and unfortunately we have elements that use it at 01- level in pre-installd. Thus to make sure python3 is there nice and early, run it at 0 level, but make sure it comes after yum/dnf update. Change-Id: I088fc4284e889147ca9a375d4a159264cff53484 |
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