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LVMPlugin: factor out the lv creation

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we will want to create lvs manually for ceph nautilus db/wal devices

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
This commit is contained in:
Dominik Csapak
2019-06-04 09:21:16 +02:00
committed by Thomas Lamprecht
parent 0180fa427f
commit c86ba76db7
1 changed files with 17 additions and 3 deletions
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20
PVE/Storage/LVMPlugin.pm
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@ -296,6 +296,22 @@ sub lvm_find_free_diskname {
return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg);
}
sub lvcreate {
my ($vg, $name, $size, $tags) = @_;
if ($size =~ m/\d$/) { # no unit is given
$size .= "k"; # default to kilobytes
}
my $cmd = ['/sbin/lvcreate', '-aly', '--size', $size, '--name', $name];
for my $tag (@$tags) {
push @$cmd, '--addtag', $tag;
}
push @$cmd, $vg;
run_command($cmd, errmsg => "lvcreate '$vg/$name' error");
}
sub alloc_image {
my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
@ -317,9 +333,7 @@ sub alloc_image {
$name = lvm_find_free_diskname(lvm_list_volumes($vg), $vg, $storeid, $vmid, $scfg)
if !$name;
my $cmd = ['/sbin/lvcreate', '-aly', '--addtag', "pve-vm-$vmid", '--size', "${size}k", '--name', $name, $vg];
run_command($cmd, errmsg => "lvcreate '$vg/pve-vm-$vmid' error");
lvcreate($vg, $name, $size, ["pve-vm-$vmid"]);
return $name;
}