api, ui: allow to remove subscription

Signed-off-by: Moayad Almalat <m.almalat@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

PVE/API2/Subscription.pm

@@ -245,4 +245,28 @@ __PACKAGE__->register_method ({
 	return undef;
     }});
 
+__PACKAGE__->register_method ({
+    name => 'delete',
+    path => '',
+    method => 'DELETE',
+    permissions => {
+	check => ['perm', '/nodes/{node}', [ 'Sys.Modify' ]],
+    },
+    description => "Set subscription key.",
+    proxyto => 'node',
+    protected => 1,
+    parameters => {
+    	additionalProperties => 0,
+	properties => {
+	    node => get_standard_option('pve-node'),
+	},
+    },
+    returns => { type => 'null'},
+    code => sub {
+	my $subscription_file = '/etc/subscription';
+	return if ! -e $subscription_file; 
+	unlink($subscription_file) or die "cannot delete subscription key: $!";
+	return undef;
+    }});
+
 1;

PVE/CLI/pvesubscription.pm

@@ -28,6 +28,7 @@ our $cmddef = {
 		 }
 	     }],
     set => [ 'PVE::API2::Subscription', 'set', ['key'], { node => $nodename } ],
+    delete => [ 'PVE::API2::Subscription', 'delete', undef, { node => $nodename } ],
 };
 
 1;

www/manager6/node/Subscription.js

@@ -163,6 +163,15 @@ Ext.define('PVE.node.Subscription', {
 			win.on('destroy', reload);
 		    }
 		},
+		{
+		    text: gettext('Remove Subscription'),
+		    xtype: 'proxmoxStdRemoveButton',
+		    confirmMsg: gettext('Are you sure to remove the subscription key?'),
+		    baseurl: baseurl,
+		    dangerous: true,
+		    selModel: false,
+		    callback: reload,
+		},
 		{
 		    text: gettext('Check'),
 		    handler: function() {