wip: ping external ip to verify connectivity

Signed-off-by: Quique Llorente <[email protected]>

build/Dockerfile

@@ -1,6 +1,6 @@
 FROM fedora:30
 
-RUN sudo dnf install -y nmstate iproute && \
+RUN sudo dnf install -y nmstate iproute iputils && \
     sudo dnf clean all
 
 # TODO: Delete this line after we update nmstate to include the change

pkg/helper/client.go

@@ -188,10 +188,16 @@ func ApplyDesiredState(nodeNetworkState *nmstatev1alpha1.NodeNetworkState) (stri
 		}
 	}
 
+	err = exec.Command("ping", "-c", "3", "8.8.8.8").Run()
+	if err != nil {
+		return commandOutput, rollback(fmt.Errorf("error pinging external address after network reconfiguration"))
+	}
+
 	_, err = commit()
 	if err != nil {
 		return commandOutput, rollback(err)
 	}
+
 	commandOutput += fmt.Sprintf("setOutput: %s \n", setOutput)
 	return commandOutput, nil
 }