Ensure libvirt connection is released

Deallocate the libvirt connect object before exit.

Fixes issue #266

Signed-off-by: Flavio Castelli <fcastelli@suse.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/main.go b/main.go
index 08194c95..d84366ac 100644
--- a/main.go
+++ b/main.go
@@ -3,11 +3,29 @@ package main
 import (
 	"github.com/dmacvicar/terraform-provider-libvirt/libvirt"
 	"github.com/hashicorp/terraform/plugin"
+	"log"
 	"math/rand"
 	"time"
 )
 
 func main() {
+	defer func() {
+		if libvirt.LibvirtClient != nil {
+			alive, err := libvirt.LibvirtClient.IsAlive()
+			if err != nil {
+				log.Printf("[ERROR] cannot determine libvirt connection status: %v", err)
+			}
+			if alive {
+				ret, err := libvirt.LibvirtClient.Close()
+				if err != nil {
+					log.Printf("[ERROR] cannot close libvirt connection %d - %v", ret, err)
+				} else {
+					libvirt.LibvirtClient = nil
+				}
+			}
+		}
+	}()
+
 	plugin.Serve(&plugin.ServeOpts{
 		ProviderFunc: libvirt.Provider,
 	})