[pve-devel] [PATCH v2 qemu-server 6/6] add cloudinit hotplug

[Alexandre Derumier]

This allow to regenerate config drive if pending values exist
when we change vm options.
---
 PVE/QemuServer.pm | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 59f90c9..eaad21a 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -287,7 +287,7 @@ my $confdesc = {
     hotplug => {
         optional => 1,
         type => 'string', format => 'pve-hotplug-features',
-        description => "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory' and 'usb'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
+        description => "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory', 'usb' and 'cloudinit'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
         default => 'network,disk,usb',
     },
     reboot => {
@@ -1298,7 +1298,7 @@ sub parse_hotplug_features {
     $data = $confdesc->{hotplug}->{default} if $data eq '1';
 
     foreach my $feature (PVE::Tools::split_list($data)) {
-	if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
+	if ($feature =~ m/^(network|disk|cpu|memory|usb|cloudinit)$/) {
 	    $res->{$1} = 1;
 	} else {
 	    die "invalid hotplug feature '$feature'\n";
@@ -4601,8 +4601,17 @@ sub vmconfig_hotplug_pending {
 	    delete $conf->{pending}->{$opt};
 	}
     }
-
     PVE::QemuConfig->write_config($vmid, $conf);
+
+    if($hotplug_features->{cloudinit}) {
+	my $pending = PVE::QemuServer::Cloudinit::get_pending_config($conf, $vmid);
+	my $regenerate = undef;
+	foreach my $opt (keys %{$pending}) {
+	    my $item = $pending->{$opt};
+	    $regenerate = 1 if defined($item->{delete}) or defined($item->{pending});
+	}
+	PVE::QemuServer::vmconfig_update_cloudinit_drive($storecfg, $conf, $vmid) if $regenerate;
+    }
 }
 
 sub try_deallocate_drive {
-- 
2.20.1