Stop doing any magic cloning of neutron during CI

Change-Id: Iee43c68b4cc954b9780de02625de7e053ebd27b3

tools/tox_install.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# Many of neutron's repos suffer from the problem of depending on neutron,
+# but it not existing on pypi.
+
+# This wrapper for tox's package installer will use the existing package
+# if it exists, else use zuul-cloner if that program exists, else grab it
+# from neutron master via a hard-coded URL. That last case should only
+# happen with devs running unit tests locally.
+
+# From the tox.ini config page:
+# install_command=ARGV
+# default:
+# pip install {opts} {packages}
+
+ZUUL_CLONER=/usr/zuul-env/bin/zuul-cloner
+neutron_installed=$(echo "import neutron" | python 2>/dev/null ; echo $?)
+
+set -e
+
+if [ $neutron_installed -eq 0 ]; then
+    echo "ALREADY INSTALLED" > /tmp/tox_install.txt
+    echo "Neutron already installed; using existing package"
+elif [ -x "$ZUUL_CLONER" ]; then
+    echo "ZUUL CLONER" > /tmp/tox_install.txt
+    cwd=$(/bin/pwd)
+    cd /tmp
+    $ZUUL_CLONER --cache-dir \
+        /opt/git \
+        git://git.openstack.org \
+        openstack/neutron
+    cd openstack/neutron
+    pip install -e .
+    cd "$cwd"
+else
+    echo "PIP HARDCODE" > /tmp/tox_install.txt
+    pip install -U -egit+https://git.openstack.org/openstack/neutron#egg=neutron
+fi
+
+pip install -U $*
+exit $?

tox.ini

@@ -6,9 +6,8 @@ skipsdist = True
 [testenv]
 setenv = VIRTUAL_ENV={envdir}
 usedevelop = True
-install_command = pip install -U {opts} {packages}
-deps = -egit+https://git.openstack.org/openstack/neutron#egg=neutron
-       -r{toxinidir}/requirements.txt
+install_command = {toxinidir}/tools/tox_install.sh {opts} {packages}
+deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 whitelist_externals = sh
 commands =
@@ -16,19 +15,6 @@ commands =
 # there is also secret magic in pretty_tox.sh which lets you run in a fail only
 # mode. To do this define the TRACE_FAILONLY environmental variable.
 
-[testenv:functional]
-setenv = OS_TEST_PATH=./neutron-lbaas/tests/functional
-commands =
-  python setup.py testr --slowest --testr-args='{posargs}'
-
-[testenv:dsvm-functional]
-setenv = OS_TEST_PATH=./neutron-lbaas/tests/functional
-         OS_SUDO_TESTING=1
-         OS_ROOTWRAP_CMD=sudo {envdir}/bin/neutron-rootwrap {envdir}/etc/neutron/rootwrap.conf
-         OS_FAIL_ON_MISSING_DEPS=1
-sitepackages=True
-commands =
-  python setup.py testr --slowest --testr-args='{posargs}'
 
 [tox:jenkins]
 sitepackages = True
@@ -77,8 +63,6 @@ import_exceptions = neutron.i18n
 local-check-factory = neutron.hacking.checks.factory
 
 [testenv:apiv1]
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
 sitepackages = True
 setenv =
  OS_TEST_PATH={toxinidir}/neutron_lbaas/tests/tempest/v1/api
@@ -86,8 +70,6 @@ setenv =
  TEMPEST_CONFIG_DIR={toxinidir}/neutron_lbaas/tests/tempest/etc
 
 [testenv:apiv2]
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
 sitepackages = True
 setenv =
  OS_TEST_PATH={toxinidir}/neutron_lbaas/tests/tempest/v2/api