From f4fc6edb0f4f7ff6a4c223ca77b51b63af642a41 Mon Sep 17 00:00:00 2001
From: oikuda <valter.vasic@gmail.com>
Date: Thu, 25 Jun 2015 02:11:10 +0200
Subject: [PATCH] Filled the allSnapshotsAvailable stub with meaningful code.
 It is now chacking for the base docker template for virtual nodes and
 reporting properly.

---
 runtime/linux.tcl | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/runtime/linux.tcl b/runtime/linux.tcl
index 2505a6cc..30c57a29 100644
--- a/runtime/linux.tcl
+++ b/runtime/linux.tcl
@@ -206,7 +206,27 @@ proc fetchRunningExperiments {} {}
 #   current system.
 #****
 proc allSnapshotsAvailable {} {
-    return 1
+    global VROOT_MASTER execMode
+    catch {exec docker images} images
+
+    if {"imunes/vroot" in $images} {
+	return 1
+    } else {
+	if {$execMode == "batch"} {
+	    puts "Docker template for virtual nodes:
+    $VROOT_MASTER
+is missing.
+Run 'imunes -p' to pull the template."
+	} else {
+	    tk_dialog .dialog1 "IMUNES error" \
+	    "Docker template for virtual nodes:
+    $VROOT_MASTER
+is missing.
+Run 'imunes -p' to pull the template." \
+	    info 0 Dismiss
+	}
+	return 0
+    }
 }
 
 proc prepareDevfs {} {}