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Daniel Hilst
b5bd2e4657
dracut copies the kernel, the kernel modules and every command out of the root it runs in. The Ubuntu Genesis deb was built once, on the build host, so every Ubuntu release got the build host's kernel. Nothing called the builder at all: the pipelines converted the EL rpm with alien instead. builddebs.pl gains --genesis, --genesis-only and --genesis-dist. The Genesis deb is now built once per codename inside that codename's <codename>-<arch>-sbuild chroot, the chroots xcat-dep's sbuild-all.pl already creates on the Ubuntu build host. builddeb-genesis-base takes --expect-codename and stops when the root it woke up in is a different release, so a build on the build host cannot produce a codename's image. builddebs.pl reads the build log through XCAT::BuildUtils::genesis_log_errors and fails the build on FAILED:, a package apt cannot find and four more lines that a zero exit status hides. The extracted payload goes through verify-genesis-payload with the command list read back from the dracut module, plus the DHCP client, the 97xcat hooks and a /lib/modules that holds this chroot's kernel and no other. The build root gains isc-dhcp-client, ifenslave and util-linux-extra, which supply dhclient, ifenslave and hwclock. genesis_deb_per_codename.t, genesis_payload_verification.t and genesis_ubuntu_build_root.t fail without this change. Signed-off-by: Daniel Hilst <392820+dhilst@users.noreply.github.com>