add ESXi plugin for import and wire-it up to a new get_guest_import plugin fn

The get_guest_import fn is currently a private/internal API and should
not yet be exposed as a public part of the storage API.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

debian/control

@@ -49,6 +49,7 @@ Depends: ceph-common (>= 12.2~),
          udev,
          ${misc:Depends},
          ${perl:Depends},
-Recommends: zfs-zed,
+Recommends: pve-esxi-import-tools,
+            zfs-zed,
 Description: Proxmox VE storage management library
  This package contains the storage management library used by Proxmox VE.

src/PVE/Storage.pm

@@ -39,6 +39,7 @@ use PVE::Storage::ZFSPoolPlugin;
 use PVE::Storage::ZFSPlugin;
 use PVE::Storage::PBSPlugin;
 use PVE::Storage::BTRFSPlugin;
+use PVE::Storage::ESXiPlugin;
 
 # Storage API version. Increment it on changes in storage API interface.
 use constant APIVER => 10;
@@ -64,6 +65,7 @@ PVE::Storage::ZFSPoolPlugin->register();
 PVE::Storage::ZFSPlugin->register();
 PVE::Storage::PBSPlugin->register();
 PVE::Storage::BTRFSPlugin->register();
+PVE::Storage::ESXiPlugin->register();
 
 # load third-party plugins
 if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) {
@@ -2165,4 +2167,20 @@ sub normalize_content_filename {
     return $filename;
 }
 
+# If a storage provides an 'import' content type, it should be able to provide
+# an object implementing the import information interface.
+sub get_import_metadata {
+    my ($cfg, $volid) = @_;
+
+    my ($storeid, $volname) = parse_volume_id($volid);
+
+    my $scfg = storage_config($cfg, $storeid);
+    my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+    if (!$plugin->can('get_import_metadata')) {
+	die "storage does not support the importer API\n";
+    }
+
+    return $plugin->get_import_metadata($scfg, $volname, $storeid);
+}
+
 1;

src/PVE/Storage/Makefile

@@ -13,7 +13,8 @@ SOURCES= \
 	ZFSPlugin.pm \
 	PBSPlugin.pm \
 	BTRFSPlugin.pm \
-	LvmThinPlugin.pm
+	LvmThinPlugin.pm \
+	ESXiPlugin.pm
 
 .PHONY: install
 install: