From 6da00a2ef212b6e89f6b91931a6f7dac067bb88a Mon Sep 17 00:00:00 2001
From: Bruno Goncalves <bgoncalv@redhat.com>
Date: Apr 17 2018 14:24:36 +0000
Subject: check qcow2 image to find out which python version to use


---

diff --git a/inventory/standard-inventory-qcow2 b/inventory/standard-inventory-qcow2
index 740c304..3643251 100755
--- a/inventory/standard-inventory-qcow2
+++ b/inventory/standard-inventory-qcow2
@@ -238,6 +238,34 @@ def inv_host(image):
 
     child = os.fork()
     if child:
+        # Need to figure out what python interpreter to use
+        interpreters = ["/usr/bin/python2", "/usr/bin/python3"]
+        for interpreter in interpreters:
+            check_file =  [
+                "/usr/bin/ansible",
+                "--inventory",
+                inventory,
+                "localhost",
+                "--module-name",
+                "raw",
+                "--args",
+                "ls %s" % interpreter
+            ]
+            try:
+                subprocess.check_call(check_file, stdout=null, stderr=null)
+                ansible_python_interpreter = interpreter
+                break
+            except subprocess.CalledProcessError:
+                pass
+        else:
+            sys.stderr.write("ERROR: Could not set ansible_python_interpreter")
+            return None
+        variables["ansible_python_interpreter"] = ansible_python_interpreter
+        # Update inventory file
+        args = " ".join(["{0}='{1}'".format(*item) for item in variables.items()])
+        inventory = os.path.join(directory, "inventory")
+        with open(inventory, "w") as f:
+            f.write("[subjects]\nlocalhost {0}\n".format(args))
         return variables
 
     # Daemonize and watch the processes