Add the ability to copy an iso, snippet or vztmpl between storages and
nodes.

Signed-off-by: Filip Schauer <f.scha...@proxmox.com>
---
 src/PVE/API2/Storage/Content.pm | 117 ++++++++++++++++++++------------
 1 file changed, 75 insertions(+), 42 deletions(-)

diff --git a/src/PVE/API2/Storage/Content.pm b/src/PVE/API2/Storage/Content.pm
index fe0ad4a..5996540 100644
--- a/src/PVE/API2/Storage/Content.pm
+++ b/src/PVE/API2/Storage/Content.pm
@@ -2,7 +2,6 @@ package PVE::API2::Storage::Content;
 
 use strict;
 use warnings;
-use Data::Dumper;
 
 use PVE::SafeSyslog;
 use PVE::Cluster;
@@ -399,6 +398,19 @@ __PACKAGE__->register_method ({
        return undef;
     }});
 
+my $volume_remove = sub {
+    my ($cfg, $volid) = @_;
+
+    my ($path, undef, $vtype) = PVE::Storage::path($cfg, $volid);
+
+    PVE::Storage::vdisk_free ($cfg, $volid);
+    if ($vtype eq 'backup'
+       && $path =~ 
/(.*\/vzdump-\w+-\d+-\d{4}_\d{2}_\d{2}-\d{2}_\d{2}_\d{2})[^\/]+$/) {
+       # Remove log file #318 and notes file #3972 if they still exist
+       PVE::Storage::archive_auxiliaries_remove($path);
+    }
+};
+
 __PACKAGE__->register_method ({
     name => 'delete',
     path => '{volume}',
@@ -452,13 +464,8 @@ __PACKAGE__->register_method ({
        }
 
        my $worker = sub {
-           PVE::Storage::vdisk_free ($cfg, $volid);
+           &$volume_remove($cfg, $volid);
            print "Removed volume '$volid'\n";
-           if ($vtype eq 'backup'
-               && $path =~ 
/(.*\/vzdump-\w+-\d+-\d{4}_\d{2}_\d{2}-\d{2}_\d{2}_\d{2})[^\/]+$/) {
-               # Remove log file #318 and notes file #3972 if they still exist
-               PVE::Storage::archive_auxiliaries_remove($path);
-           }
        };
 
        my $id = (defined $ownervm ? "$ownervm@" : '') . $storeid;
@@ -487,26 +494,43 @@ __PACKAGE__->register_method ({
     name => 'copy',
     path => '{volume}',
     method => 'POST',
-    description => "Copy a volume. This is experimental code - do not use.",
+    description => "Copy a volume.",
+    permissions => {
+       description => "If the --delete option is used, the 
'Datastore.Allocate' privilege is"
+           ." required on the source storage."
+           ." Without --delete, 'Datastore.AllocateSpace' is required on the 
target storage.",
+       user => 'all',
+    },
     protected => 1,
     proxyto => 'node',
     parameters => {
-       additionalProperties => 0,
+       additionalProperties => 0,
        properties => {
            node => get_standard_option('pve-node'),
-           storage => get_standard_option('pve-storage-id', { optional => 1}),
+           storage => get_standard_option('pve-storage-id', {
+               optional => 1,
+               completion => \&PVE::Storage::complete_storage_enabled,
+           }),
            volume => {
                description => "Source volume identifier",
                type => 'string',
+               completion => \&PVE::Storage::complete_volume,
            },
-           target => {
-               description => "Target volume identifier",
-               type => 'string',
-           },
-           target_node => get_standard_option('pve-node',  {
+           'target-storage' => get_standard_option('pve-storage-id', {
+               description => "Target storage",
+               completion => \&PVE::Storage::complete_storage_enabled,
+           }),
+           'target-node' => get_standard_option('pve-node',  {
                description => "Target node. Default is local node.",
                optional => 1,
            }),
+           delete => {
+               type => 'boolean',
+               description => "Delete the original volume after a successful 
copy."
+                   ." By default the original is kept.",
+               optional => 1,
+               default => 0,
+           },
        },
     },
     returns => {
@@ -515,43 +539,52 @@ __PACKAGE__->register_method ({
     code => sub {
        my ($param) = @_;
 
-       my $rpcenv = PVE::RPCEnvironment::get();
-
-       my $user = $rpcenv->get_user();
-
-       my $target_node = $param->{target_node} || PVE::INotify::nodename();
-       # pvesh examples
-       # cd /nodes/localhost/storage/local/content
-       # pve:/> create local:103/vm-103-disk-1.raw -target 
local:103/vm-103-disk-2.raw
-       # pve:/> create 103/vm-103-disk-1.raw -target 103/vm-103-disk-3.raw
+       my $src_volid = $real_volume_id->($param->{storage}, $param->{volume});
+       my $dst_storeid = $param->{'target-storage'};
+       my ($src_storeid, $volname) = PVE::Storage::parse_volume_id($src_volid);
+       my $src_node = PVE::INotify::nodename();
+       my $dst_node = $param->{'target-node'} || $src_node;
+       my $delete = $param->{delete};
 
-       my $src_volid = &$real_volume_id($param->{storage}, $param->{volume});
-       my $dst_volid = &$real_volume_id($param->{storage}, $param->{target});
-
-       print "DEBUG: COPY $src_volid TO $dst_volid\n";
+       die "source and target cannot be the same\n"
+           if $src_node eq $dst_node && $src_storeid eq $dst_storeid;
 
        my $cfg = PVE::Storage::config();
 
-       # do all parameter checks first
-
-       # then do all short running task (to raise errors before we go to 
background)
+       my ($vtype, undef, $ownervm) = PVE::Storage::parse_volname($cfg, 
$src_volid);
+       die "use pct move-volume or qm disk move\n" if $vtype eq 'images' || 
$vtype eq 'rootdir';
+       die "moving volume of type '$vtype' not implemented\n"
+           if !grep { $vtype eq $_ } qw(import iso snippets vztmpl);
 
-       # then start the worker task
-       my $worker = sub  {
-           my $upid = shift;
+       my $rpcenv = PVE::RPCEnvironment::get();
+       my $user = $rpcenv->get_user();
 
-           print "DEBUG: starting worker $upid\n";
+       PVE::Storage::check_volume_access($rpcenv, $user, $cfg, $ownervm, 
$src_volid);
 
-           my ($target_sid, $target_volname) = 
PVE::Storage::parse_volume_id($dst_volid);
-           #my $target_ip = PVE::Cluster::remote_node_ip($target_node);
+       if ($delete) {
+           $rpcenv->check($user, "/storage/$src_storeid", 
["Datastore.Allocate"]);
+       }
 
-           # you need to get this working (fails currently, because 
storage_migrate() uses
-           # ssh to connect to local host (which is not needed
-           my $sshinfo = PVE::SSHInfo::get_ssh_info($target_node);
-           PVE::Storage::storage_migrate($cfg, $src_volid, $sshinfo, 
$target_sid, {'target_volname' => $target_volname});
+       $rpcenv->check($user, "/storage/$dst_storeid", 
["Datastore.AllocateSpace"]);
 
-           print "DEBUG: end worker $upid\n";
+       my $worker = sub {
+           PVE::Storage::storage_check_enabled($cfg, $src_storeid, $src_node);
+           PVE::Storage::storage_check_enabled($cfg, $dst_storeid, $dst_node);
+           my $sshinfo;
+           $sshinfo = PVE::SSHInfo::get_ssh_info($dst_node) if $src_node ne 
$dst_node;
+           my $opts = { 'target_volname' => $volname };
+           PVE::Storage::storage_migrate($cfg, $src_volid, $sshinfo, 
$dst_storeid, $opts);
+
+           if ($delete) {
+               &$volume_remove($cfg, $src_volid);
+           }
 
+           if ($src_node eq $dst_node) {
+               print "Copied volume '$src_volid' to '$dst_storeid'\n";
+           } else {
+               print "Copied volume '$src_volid' on node '$src_node'"
+                   ." to '$dst_storeid' on node '$dst_node'\n";
+           }
        };
 
        return $rpcenv->fork_worker('imgcopy', undef, $user, $worker);
-- 
2.39.5



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