[pve-devel] [PATCH storage] WIP: upload disk image

Timo Grodzinski t.grodzinski at profihost.ag
Fri Jan 29 18:42:18 CET 2016


Signed-off-by: Timo Grodzinski <t.grodzinski at profihost.ag>
---
 PVE/API2/Storage/Status.pm | 211 +++++++++++++++++++++++++++++++++++++++++++++
 PVE/Storage.pm             |   2 +-
 PVE/Storage/DirPlugin.pm   |   2 +-
 PVE/Storage/Plugin.pm      |   2 +-
 4 files changed, 214 insertions(+), 3 deletions(-)

diff --git a/PVE/API2/Storage/Status.pm b/PVE/API2/Storage/Status.pm
index 49bb58c..f887932 100644
--- a/PVE/API2/Storage/Status.pm
+++ b/PVE/API2/Storage/Status.pm
@@ -421,4 +421,215 @@ __PACKAGE__->register_method ({
 	return $upid;
    }});
     
+
+__PACKAGE__->register_method(
+    {
+        name        => 'upload_image',
+        path        => '{storage}/upload_image',
+        method      => 'POST',
+        description => "Upload templates and ISO images.",
+        permissions => {
+            check => [ 'perm', '/storage/{storage}', ['Datastore.AllocateTemplate'] ]
+            ,    # XXX [ 'Datastore.AllocateSpace' ]
+        },
+        protected  => 1,
+        parameters => {
+            additionalProperties => 0,
+            properties           => {
+                node => get_standard_option( 'pve-node' ),
+                vmid => get_standard_option( 'pve-vmid', { completion => \&PVE::QemuServer::complete_vmid } ),
+                storage => get_standard_option( 'pve-storage-id' ),    # temporary storage before qemu-img
+                format  => {
+                    description => "Target format for file storage.",
+                    type        => 'string',
+                    optional    => 1,
+                    enum        => [ 'raw', 'qcow2', 'vmdk' ],
+                },
+                content => {
+                    description => "Content type.",
+                    type        => 'string',
+                    format      => 'pve-storage-content',
+                },
+                filename => {
+                    description => "The name of the file to create.",
+                    type        => 'string',
+                },
+                tmpfilename => {
+                    description =>
+"The source file name. This parameter is usually set by the REST handler. You can only overwrite it when connecting to the trustet port on localhost.",
+                    type     => 'string',
+                    optional => 1,
+                },
+            },
+        },
+        returns => { type => "string" },
+        code    => sub {
+            my ( $param ) = @_;
+
+            my $rpcenv = PVE::RPCEnvironment::get();
+
+            my $user = $rpcenv->get_user();
+
+            my $cfg = cfs_read_file( "storage.cfg" );
+
+            # XXX use PVE::Tools::extract_param ?
+            my $node   = $param->{node};
+            my $vmid   = $param->{vmid};
+            my $format = $param->{format};
+
+            my $scfg = PVE::Storage::storage_check_enabled( $cfg, $param->{storage}, $node );
+
+            die "cant upload to storage type '$scfg->{type}'\n"
+              if !( $scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs' || $scfg->{type} eq 'glusterfs' );
+
+            my $content = $param->{content};
+
+            my $tmpfilename = $param->{tmpfilename};
+            die "missing temporary file name\n" if !$tmpfilename;
+
+            my $size = -s $tmpfilename;
+            die "temporary file '$tmpfilename' does not exists\n" if !defined( $size );
+
+            my $filename = $param->{filename};
+
+            chomp $filename;
+            $filename =~ s/^.*[\/\\]//;
+            $filename =~ s/[;:,=\s\x80-\xff]/_/g;
+
+            my $path;
+
+            if ( $content eq 'images' ) {    # XXX see also pve-storage/PVE/Storage/DirPlugin.pm and other
+
+                my @allowed_extensions = qw(raw qcow qcow2 cow vdi vmdk vpc cloop);
+                raise_param_exc(
+                    { filename => "extension must be one of " . join ', ', map "'$_'", @allowed_extensions } )
+                  if !grep { $filename =~ m![^/]+\.$_$! } @allowed_extensions;
+
+                # XXX use another location!
+                $path = PVE::Storage::get_vztmpl_dir( $cfg, $param->{storage} );
+            }
+            else {
+                raise_param_exc( { content => "upload content type '$content' not allowed" } );
+            }
+
+            die "storage '$param->{storage}' does not support '$content' content\n"
+              if !$scfg->{content}->{$content};
+
+            my $dest    = "$path/$filename";
+            my $dirname = dirname( $dest );
+
+            # we simply overwrite when destination when file already exists
+
+            # -- copy --
+
+            my $cmd;
+            if ( $node ne 'localhost' && $node ne PVE::INotify::nodename() ) {
+                my $remip = PVE::Cluster::remote_node_ip( $node );
+
+                my @ssh_options = ( '-o', 'BatchMode=yes' );
+
+                my @remcmd = ( '/usr/bin/ssh', @ssh_options, $remip, '--' );
+
+                eval {
+                    # activate remote storage
+                    PVE::Tools::run_command( [ @remcmd, '/usr/sbin/pvesm', 'status', '--storage', $param->{storage} ] );
+                };
+                die "can't activate storage '$param->{storage}' on node '$node'\n" if $@;
+
+                PVE::Tools::run_command( [ @remcmd, '/bin/mkdir', '-p', '--', PVE::Tools::shell_quote( $dirname ) ],
+                    errmsg => "mkdir failed" );
+
+                $cmd =
+                  [ '/usr/bin/scp', @ssh_options, '--', $tmpfilename, "[$remip]:" . PVE::Tools::shell_quote( $dest ) ];
+            }
+            else {
+                PVE::Storage::activate_storage( $cfg, $param->{storage} );
+                File::Path::make_path( $dirname );
+                $cmd = [ 'cp', '--', $tmpfilename, $dest ];
+            }
+
+            # -- import --
+
+            die "vm $vmid is running\n" if PVE::QemuServer::check_running( $vmid );    # XXX
+
+            my $conf     = PVE::QemuServer::load_config( $vmid );
+            my $storecfg = PVE::Storage::config();
+            my $full     = 1;
+
+            my ( $drivename, $drive );
+            for my $opt ( keys %{$conf} ) {
+                if ( PVE::QemuServer::valid_drivename( $opt ) ) {
+                    $drivename = $opt;
+                    $drive = PVE::QemuServer::parse_drive( $opt, $conf->{$opt} );
+                    die "unable to parse drive options for '$opt'\n" if !$drive;
+                    next if PVE::QemuServer::drive_is_cdrom( $drive );
+                    die "Full clone feature is not available"
+                      if $full && !PVE::Storage::volume_has_feature( $storecfg, 'copy', $drive->{file}, undef, undef );
+                    last;
+                }
+            }
+
+            my $storage = PVE::Storage::parse_volume_id( $drive->{file} );
+
+            my $worker = sub {
+                my $upid = shift;
+
+                # copy file to storage
+                print "starting file import from: $tmpfilename\n";
+                print "target node: $node\n";
+                print "target file: $dest\n";
+                print "file size is: $size\n";
+                print "command: " . join( ' ', @$cmd ) . "\n";
+
+                eval { PVE::Tools::run_command( $cmd, errmsg => 'import failed' ); };
+                if ( my $err = $@ ) {
+                    unlink $dest;
+                    die $err;
+                }
+                print "finished file import successfully\n";
+
+                # convert image with qemu-img
+                print "\n";
+                print "starting import of image: $dest\n";
+
+                # my $source_file = "$param->{storage}:$dest";
+                my $source = PVE::Storage::path_to_volume_id( $storecfg, $dest );
+
+                # XXX remove
+                use Data::Dumper;
+                warn 'PVE::API2::Storage::Status: ' . Dumper(
+                    {
+                        filename => $filename,
+                        dest     => $dest,
+                        dirname  => dirname( $dest ),
+                        node     => $node,
+                        vmid     => $vmid,
+                        conf     => $conf,
+                        storecfg => $storecfg,
+                        drive    => $drive,
+                        storage  => $storage,
+                        #source_file => $source_file,
+                        source => $source,
+                    }
+                );
+
+                my $newvollist = [];
+                my $newdrive = PVE::QemuServer::import_disk( $source, $storecfg, $vmid, $drive, $newvollist );
+
+                print Dumper $newdrive;
+
+            };
+
+            my $upid = $rpcenv->fork_worker( 'imgcopy', undef, $user, $worker ); # XXX other name than imgcopy
+
+            # apache removes the temporary file on return, so we need
+            # to wait here to make sure the worker process starts and
+            # opens the file before it gets removed.
+            sleep( 1 );
+
+            return $upid;
+          }
+    }
+);
+
 1;
diff --git a/PVE/Storage.pm b/PVE/Storage.pm
index 140f8ae..e112d4e 100755
--- a/PVE/Storage.pm
+++ b/PVE/Storage.pm
@@ -372,7 +372,7 @@ sub path_to_volume_id {
 	} elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) {
 	    my $name = $1;
 	    return ('iso', "$sid:iso/$name");
-	} elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) {
+	} elsif ($path =~ m!^$tmpldir/([^/]+(:?\.tar\.gz|\.vmdk))$!) {
 	    my $name = $1;
 	    return ('vztmpl', "$sid:vztmpl/$name");
 	} elsif ($path =~ m!^$privatedir/(\d+)$!) {
diff --git a/PVE/Storage/DirPlugin.pm b/PVE/Storage/DirPlugin.pm
index bc3c61f..87e9cd7 100644
--- a/PVE/Storage/DirPlugin.pm
+++ b/PVE/Storage/DirPlugin.pm
@@ -16,7 +16,7 @@ sub type {
 
 sub plugindata {
     return {
-	content => [ { images => 1, rootdir => 1, vztmpl => 1, iso => 1, backup => 1, none => 1 },
+	content => [ { images => 1, rootdir => 1, vztmpl => 1, iso => 1, backup => 1, none => 1 }, # XXX maybe add new content type?
 		     { images => 1,  rootdir => 1 }],
 	format => [ { raw => 1, qcow2 => 1, vmdk => 1, subvol => 1 } , 'raw' ],
     };
diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
index 6aa71e0..a8bb385 100644
--- a/PVE/Storage/Plugin.pm
+++ b/PVE/Storage/Plugin.pm
@@ -374,7 +374,7 @@ sub parse_volname {
 	return ('images', $name, $vmid, undef, undef, $isBase, $format);
     } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) {
 	return ('iso', $1);
-    } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) {
+    } elsif ($volname =~ m!^vztmpl/([^/]+(:?\.tar\.[gx]z|\.vmdk|\.qcow2|\.raw))$!) {
 	return ('vztmpl', $1);
     } elsif ($volname =~ m!^rootdir/(\d+)$!) {
 	return ('rootdir', $1, $1);
-- 
2.1.4




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