Check for missing run-time requirements

This change creates a new tox environment that *only* installs
openstack_requirements and then verifies that each of the console
scripts has all of the modules that it imports.

This will need to be added to our gate RSN

Change-Id: Ibc37593afcc4d9f820cb88168e1aa15e773b2087

tools/check-install.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import ConfigParser
+import importlib
+import re
+import sys
+
+
+def main():
+    errors = 0
+    pattern = re.compile('^(.*?)\s*=\s*([^:]*?):.*$')
+    config = ConfigParser.ConfigParser()
+    config.read('setup.cfg')
+    console_scripts = config.get('entry_points', 'console_scripts')
+    for script in console_scripts.split('\n'):
+        match = pattern.match(script)
+        if match:
+            (script, module) = match.groups()
+            try:
+                importlib.import_module(module)
+            except ImportError as err:
+                print('Imports for %s failed:\n\t%s' % (script, err))
+                errors += 1
+    return 1 if errors else 0
+
+if __name__ == '__main__':
+    sys.exit(main())

tox.ini

@@ -1,9 +1,10 @@
 [tox]
 minversion = 1.6
 skipsdist = True
-envlist = validate,py27,pep8
+envlist = validate,py27,pep8,pip-install
 
 [testenv]
+basepython = python2.7
 usedevelop = True
 install_command = pip install -U {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
@@ -36,6 +37,18 @@ commands = flake8
 [testenv:docs]
 commands = python setup.py build_sphinx
 
+[testenv:pip-install]
+recreate = True
+deps = .
+install_command = pip install {opts} {packages}
+commands = python {toxinidir}/tools/check-install.py
+
+[testenv:py34]
+basepython = python3.4
+
+[testenv:py35]
+basepython = python3.5
+
 [testenv:babel]
 # Use the local upper-constraints.txt file
 deps = Babel