Hi, we are experiencing build failures due to *08:49:10* # /usr/bin/yum --installroot /var/lib/mock/epel-8-x86_64-6c17b26f3795335ce1ac45b0dcdbc9d5-bootstrap-8304/root/ --releasever 8 install dnf dnf-plugins-core distribution-gpg-keys --setopt=tsflags=nocontexts <https://jenkins.ovirt.org/job/ovirt-appliance_master_build-artifacts-el8-... Failed to set locale, defaulting to C <https://jenkins.ovirt.org/job/ovirt-appliance_master_build-artifacts-el8-... http://mirror.centos.org/centos-8/8/AppStream/x86_64/os/repodata/repomd.xml: [Errno 14] HTTP Error 403 - Forbidden <https://jenkins.ovirt.org/job/ovirt-appliance_master_build-artifacts-el8-... Trying other mirror. ... *08:49:10* failure: repodata/repomd.xml from centos-appstream-el8: [Errno 256] No more mirrors to try. <https://jenkins.ovirt.org/job/ovirt-appliance_master_build-artifacts-el8-... http://mirror.centos.org/centos-8/8/AppStream/x86_64/os/repodata/repomd.xml: [Errno 14] HTTP Error 403 - Forbidden (see https://jenkins.ovirt.org/job/ovirt-appliance_master_build-artifacts-el8-...) I checked our squid logs on proxy01.phx.ovirt.org and I see: 1623395369.584 1 38.145.50.116 TCP_DENIED/403 4148 GET http://mirror.centos.org/centos-8/8/AppStream/x86_64/os/repodata/repomd.xml - HIER_NONE/- text/html Apparently there's no option in oVirt CI system to turn off the proxy since mock_runner is always called with --try-proxy option. Anyone that can look into this? -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://www.redhat.com/> *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours.*