}
};
+sub check_lxc_conf_keys {
+ my $kernel_cli = PVE::Tools::file_get_contents('/proc/cmdline');
+ if ($kernel_cli =~ /systemd.unified_cgroup_hierarchy=0/){
+ log_skip("System explicitly configured for legacy hybrid cgroup hierarchy.");
+ return;
+ }
+
+ log_info("Checking container configs for deprecated lxc.cgroup entries");
+
+ my $affected_ct = [];
+ my $cts = PVE::LXC::config_list();
+ for my $vmid (sort { $a <=> $b } keys %$cts) {
+ my $lxc_raw_conf = PVE::LXC::Config->load_config($vmid)->{lxc};
+ push @$affected_ct, "CT $vmid" if (grep (@$_[0] =~ /^lxc\.cgroup\./, @$lxc_raw_conf));
+ }
+ if (scalar($affected_ct->@*) > 0) {
+ log_warn("Config of the following containers contains 'lxc.cgroup' keys, which will be ".
+ "ignored in a unified cgroupv2 system:\n" .
+ join(", ", $affected_ct->@*));
+ } else {
+ log_pass("No legacy 'lxc.cgroup' keys found.");
+ }
+}
+
sub check_misc {
print_header("MISCELLANEOUS CHECKS");
my $ssh_config = eval { PVE::Tools::file_get_contents('/root/.ssh/config') };
check_custom_pool_roles();
check_description_lengths();
check_storage_content();
+ check_lxc_conf_keys();
}
__PACKAGE__->register_method ({