From af7305f2aaf68ce9f485e78d269790f358dc7311 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rados=C5=82aw=20Piliszek?= <radoslaw.piliszek@gmail.com>
Date: Sat, 26 Oct 2019 15:09:15 +0200
Subject: [PATCH] Fail kolla-ansible early when not available in the PYTHONPATH

Starting with the Train release, kolla_ansible (the package) must be
available in the PYTHONPATH to run most playbooks.
It is documented.
This change makes the error message friendlier.

Change-Id: Icf0399d21b3fde8d530d73e6e7ee4a57665da276
Closes-bug: #1849943
---
 tools/kolla-ansible | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/kolla-ansible b/tools/kolla-ansible
index a60338c795..640a18ce20 100755
--- a/tools/kolla-ansible
+++ b/tools/kolla-ansible
@@ -120,6 +120,11 @@ LONG_OPTS="help,inventory:,playbook:,skip-tags:,tags:,key:,extra:,verbose,config
 RAW_ARGS="$*"
 ARGS=$(getopt -o "${SHORT_OPTS}" -l "${LONG_OPTS}" --name "$0" -- "$@") || { usage >&2; exit 2; }
 
+python -c 'import kolla_ansible' &>/dev/null || (
+    echo "ERROR: kolla_ansible has to be available in the PYTHONPATH (e.g. installed)" >&2
+    exit 1
+)
+
 eval set -- "$ARGS"
 
 find_base_dir