[pve-devel] [PATCH v2 storage 5/6] partially fix #2285: api: disks: allow partitions for creation paths

[Fabian Ebner <f.ebner@proxmox.com>]

The calls for directory and ZFS need slight adaptations. Except for
those, the only thing that needs to be done is support partitions in
the disk_is_used helper.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---

No changes from v1.

 PVE/API2/Disks/Directory.pm | 28 ++++++++++++++++------------
 PVE/API2/Disks/ZFS.pm       | 11 ++++++++++-
 PVE/Diskmanage.pm           |  2 +-
 3 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/PVE/API2/Disks/Directory.pm b/PVE/API2/Disks/Directory.pm
index 1285274..52f0c86 100644
--- a/PVE/API2/Disks/Directory.pm
+++ b/PVE/API2/Disks/Directory.pm
@@ -214,20 +214,24 @@ __PACKAGE__->register_method ({
 	    PVE::Diskmanage::locked_disk_action(sub {
 		PVE::Diskmanage::assert_disk_unused($dev);
 
-		# create partition
-		my $cmd = [$SGDISK, '-n1', '-t1:8300', $dev];
-		print "# ", join(' ', @$cmd), "\n";
-		run_command($cmd);
-
-		my ($devname) = $dev =~ m|^/dev/(.*)$|;
-		my $part = "/dev/";
-		dir_glob_foreach("/sys/block/$devname", qr/\Q$devname\E.+/, sub {
-		    my ($partition) = @_;
-		    $part .= $partition;
-		});
+		my $part = $dev;
+
+		if (!PVE::Diskmanage::is_partition($dev)) {
+		    # create partition
+		    my $cmd = [$SGDISK, '-n1', '-t1:8300', $dev];
+		    print "# ", join(' ', @$cmd), "\n";
+		    run_command($cmd);
+
+		    my ($devname) = $dev =~ m|^/dev/(.*)$|;
+		    $part = "/dev/";
+		    dir_glob_foreach("/sys/block/$devname", qr/\Q$devname\E.+/, sub {
+			my ($partition) = @_;
+			$part .= $partition;
+		    });
+		}
 
 		# create filesystem
-		$cmd = [$MKFS, '-t', $type, $part];
+		my $cmd = [$MKFS, '-t', $type, $part];
 		print "# ", join(' ', @$cmd), "\n";
 		run_command($cmd);
 
diff --git a/PVE/API2/Disks/ZFS.pm b/PVE/API2/Disks/ZFS.pm
index 1534631..6486404 100644
--- a/PVE/API2/Disks/ZFS.pm
+++ b/PVE/API2/Disks/ZFS.pm
@@ -373,7 +373,16 @@ __PACKAGE__->register_method ({
 	    PVE::Diskmanage::locked_disk_action(sub {
 		for my $dev (@$devs) {
 		    PVE::Diskmanage::assert_disk_unused($dev);
-		    my $sysfsdev = $dev =~ s!^/dev/!/sys/block/!r;
+
+		    my $is_partition = PVE::Diskmanage::is_partition($dev);
+		    my $sysfsdev = $is_partition ? PVE::Diskmanage::get_blockdev($dev) : $dev;
+
+		    $sysfsdev =~ s!^/dev/!/sys/block/!;
+		    if ($is_partition) {
+			my $part = $dev =~ s!^/dev/!!r;
+			$sysfsdev .= "/${part}";
+		    }
+
 		    my $udevinfo = PVE::Diskmanage::get_udev_info($sysfsdev);
 		    $dev = $udevinfo->{by_id_link} if defined($udevinfo->{by_id_link});
 		}
diff --git a/PVE/Diskmanage.pm b/PVE/Diskmanage.pm
index f0e14dc..18459f9 100644
--- a/PVE/Diskmanage.pm
+++ b/PVE/Diskmanage.pm
@@ -78,7 +78,7 @@ sub disk_is_used {
     my $dev = $disk;
     $dev =~ s|^/dev/||;
 
-    my $disklist = get_disks($dev, 1);
+    my $disklist = get_disks($dev, 1, 1);
 
     die "'$disk' is not a valid local disk\n" if !defined($disklist->{$dev});
     return 1 if $disklist->{$dev}->{used};
-- 
2.30.2