From 928d51606eb3943bd1cdcbfa0462719a3a72ccff Mon Sep 17 00:00:00 2001
From: Bruno Goncalves <bgoncalv@redhat.com>
Date: Apr 19 2018 06:54:07 +0000
Subject: check docker container to find out which python version to use


---

diff --git a/inventory/standard-inventory-docker b/inventory/standard-inventory-docker
index f75e6c6..40006d8 100755
--- a/inventory/standard-inventory-docker
+++ b/inventory/standard-inventory-docker
@@ -132,11 +132,31 @@ def inv_host(image, docker_extra_args):
     with open(cidfile, "r") as f:
         name = f.read().strip()
 
+    # Need to figure out what python interpreter to use
+    interpreters = ["/usr/bin/python2", "/usr/bin/python3"]
+    for interpreter in interpreters:
+        check_file = ["/usr/bin/docker", "exec", "--user=root", name, "/usr/bin/ls", 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
+
+    python2_deps = ["python2-dnf", "libselinux-python"]
+    python3_deps = ["python3-dnf", "python3-libselinux"]
+
     # Now install the necessary stuff in the container :S
     install = [
-        "/usr/bin/docker", "exec", "--user=root", name, "/usr/bin/yum", "-y", "install",
-        "python2", "python2-dnf", "libselinux-python"
+        "/usr/bin/docker", "exec", "--user=root", name, "/usr/bin/yum", "-y", "install"
     ]
+    if ansible_python_interpreter == "/usr/bin/python2":
+        install.extend(python2_deps)
+    if ansible_python_interpreter == "/usr/bin/python3":
+        install.extend(python3_deps)
     try:
         subprocess.check_call(install, stdout=sys.stderr.fileno())
     except subprocess.CalledProcessError:
@@ -151,6 +171,7 @@ def inv_host(image, docker_extra_args):
     # The variables
     variables = {
         "ansible_connection": "docker",
+        "ansible_python_interpreter": ansible_python_interpreter
     }
 
     # Process of our parent
diff --git a/inventory/standard-inventory-qcow2 b/inventory/standard-inventory-qcow2
index 3643251..10cfd3b 100755
--- a/inventory/standard-inventory-qcow2
+++ b/inventory/standard-inventory-qcow2
@@ -241,7 +241,7 @@ def inv_host(image):
         # Need to figure out what python interpreter to use
         interpreters = ["/usr/bin/python2", "/usr/bin/python3"]
         for interpreter in interpreters:
-            check_file =  [
+            check_file = [
                 "/usr/bin/ansible",
                 "--inventory",
                 inventory,