--- src/PVE/CGroup.pm | 46 ++++------------------------------------------ 1 file changed, 4 insertions(+), 42 deletions(-)
diff --git a/src/PVE/CGroup.pm b/src/PVE/CGroup.pm index 7e12af9..f542b3a 100644 --- a/src/PVE/CGroup.pm +++ b/src/PVE/CGroup.pm @@ -22,8 +22,6 @@ use PVE::Tools qw( file_read_firstline ); -use PVE::LXC::Command; - # We don't want to do a command socket round trip for every cgroup read/write, # so any cgroup function needs to have the container's path cached, so this # package has to be instantiated. @@ -130,6 +128,7 @@ sub cgroupv2_base_path() { # available via both we favor cgroupv2 here as well. # # Returns nothing if the controller is not available. + sub find_cgroup_controller($) { my ($controller) = @_; @@ -162,42 +161,6 @@ sub cpuset_controller_path() { return wantarray ? ($CG_PATH_CPUSET, $CG_VER_CPUSET) : $CG_PATH_CPUSET; } -# Get a subdirectory (without the cgroup mount point) for a controller. -# -# If `$controller` is `undef`, get the unified (cgroupv2) path. -# -# Note that in cgroup v2, lxc uses the activated controller names -# (`cgroup.controllers` file) as list of controllers for the unified hierarchy, -# so this returns a result when a `controller` is provided even when using -# a pure cgroupv2 setup. -my sub get_subdir { - my ($self, $controller, $limiting) = @_; - - my $entry_name = $controller || 'unified'; - my $entry = ($self->{controllers}->{$entry_name} //= {}); - - my $kind = $limiting ? 'limit' : 'ns'; - my $path = $entry->{$kind}; - - return $path if defined $path; - - $path = PVE::LXC::Command::get_cgroup_path( - $self->{vmid}, - $controller, - $limiting, - ) or return undef; - - # untaint: - if ($path =~ /\.\./) { - die "lxc returned suspicious path: '$path'\n"; - } - ($path) = ($path =~ /^(.*)$/s); - - $entry->{$kind} = $path; - - return $path; -} - # Get path and version for a controller. # # `$controller` may be `undef`, see get_subdir above for details. @@ -205,12 +168,11 @@ my sub get_subdir { # Returns either just the path, or the path and cgroup version as a tuple. sub get_path { my ($self, $controller, $limiting) = @_; - # Find the controller before querying the lxc monitor via a socket: my ($cgpath, $ver) = find_cgroup_controller($controller) or return undef; - my $path = get_subdir($self, $controller, $limiting) + my $path = $self->get_subdir($controller, $limiting) or return undef; $path = "$cgpath/$path"; @@ -515,7 +477,7 @@ sub change_cpu_shares { my sub v1_freeze_thaw { my ($self, $controller_path, $freeze) = @_; - my $path = get_subdir($self, 'freezer', 1) + my $path = $self->get_subdir('freezer', 1) or die "trying to freeze container: container not running\n"; $path = "$controller_path/$path/freezer.state"; @@ -532,7 +494,7 @@ my sub v1_freeze_thaw { my sub v2_freeze_thaw { my ($self, $controller_path, $freeze) = @_; - my $path = get_subdir($self, undef, 1) + my $path = $self->get_subdir(undef, 1) or die "trying to freeze container: container not running\n"; $path = "$controller_path/$path"; -- 2.20.1 _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel