api: add Machine module to query machine types

The file is provided by pve-qemu-kvm.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>

PVE/API2/Qemu/Machine.pm

@@ -0,0 +1,49 @@
+package PVE::API2::Qemu::Machine;
+
+use strict;
+use warnings;
+
+use PVE::RESTHandler;
+use PVE::JSONSchema qw(get_standard_option);
+use PVE::Tools qw(file_get_contents);
+
+use base qw(PVE::RESTHandler);
+
+__PACKAGE__->register_method({
+    name => 'types',
+    path => '',
+    method => 'GET',
+    proxyto => 'node',
+    description => "Get available QEMU/KVM machine types.",
+    permissions => {
+	user => 'all',
+    },
+    parameters => {
+	additionalProperties => 0,
+	properties => {
+	    node => get_standard_option('pve-node'),
+	},
+    },
+    returns => {
+	type => 'array',
+	items => {
+	    type => 'object',
+	    properties => {
+		name => {
+		    type => 'string',
+		    description => "Name of machine type.",
+		},
+	    },
+	},
+    },
+    code => sub {
+	my $content = eval {
+	    file_get_contents("/usr/share/kvm/machine-versions-x86_64");
+	};
+	die "could not get supported machine versions (try updating 'pve-qemu-kvm') - $@" if $@;
+	my @data = split(m/\n/, $content);
+	@data = map { { name => $_ } } @data;
+	return \@data;
+    }});
+
+1;

PVE/API2/Qemu/Makefile

@@ -1,4 +1,4 @@
-SOURCES=Agent.pm CPU.pm
+SOURCES=Agent.pm CPU.pm Machine.pm
 
 .PHONY: install
 install: