Merge pull request #61 from dmacvicar/dmacvicar-domain-LookupByUUIDSt…

…ring

Add virDomainLookupByUUIDString (already available in 1.2.2)

libvirt.go

@@ -277,6 +277,16 @@ func (c *VirConnection) LookupDomainByName(id string) (VirDomain, error) {
 	return VirDomain{ptr: ptr}, nil
 }
 
+func (c *VirConnection) LookupByUUIDString(uuid string) (VirDomain, error) {
+	cUuid := C.CString(uuid)
+	defer C.free(unsafe.Pointer(cUuid))
+	ptr := C.virDomainLookupByUUIDString(c.ptr, cUuid)
+	if ptr == nil {
+		return VirDomain{}, GetLastError()
+	}
+	return VirDomain{ptr: ptr}, nil
+}
+
 func (c *VirConnection) DomainCreateXMLFromFile(xmlFile string, flags uint32) (VirDomain, error) {
 	xmlConfig, err := ioutil.ReadFile(xmlFile)
 	if err != nil {

libvirt_test.go

@@ -239,6 +239,32 @@ func TestLookupDomainById(t *testing.T) {
 	defer dom.Free()
 }
 
+func TestLookupDomainByUUIDString(t *testing.T) {
+	conn := buildTestConnection()
+	defer conn.CloseConnection()
+	doms, err := conn.ListAllDomains(0)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	t.Log(doms)
+	if len(doms) == 0 {
+		t.Fatal("Length of ListAllDomains shouldn't be empty")
+		return
+	}
+	uuid, err := doms[0].GetUUIDString()
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	dom, err := conn.LookupByUUIDString(uuid)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	defer dom.Free()
+}
+
 func TestLookupInvalidDomainById(t *testing.T) {
 	conn := buildTestConnection()
 	defer conn.CloseConnection()