Add openstack regression test runner

Run the Openstack release tests from charmed-openstack-tester.

openstack/tools/openstack_regression_tests_runner.sh

@@ -0,0 +1,116 @@
+#!/bin/bash -eu
+#
+# Run Openstack regression tests.
+#
+FUNC_TEST_TARGET=
+IMAGES_PATH=$HOME/tmp
+
+usage () {
+    cat << EOF
+USAGE: `basename $0` OPTIONS
+
+Run Openstack regression tests.
+
+OPTIONS:
+    --func-test-target TARGET_NAME
+        Provide the name of a specific test target to run.
+    --help
+        This help message.
+EOF
+}
+
+while (($# > 0)); do
+    case "$1" in
+        --debug)
+            set -x
+            ;;
+        --func-test-target)
+            FUNC_TEST_TARGET=$2
+            shift
+            ;;
+        --help|-h)
+            usage
+            exit 0
+            ;;
+        *)
+            echo "ERROR: invalid input '$1'"
+            usage
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+if [[ -z $FUNC_TEST_TARGET ]]; then
+   echo "ERROR: must provide a target name with --func-test-target"
+   exit 1
+fi
+
+# This is required for magnum tests and zaza will look in swift if it is not cached so we need to cache it first.
+mkdir -p $IMAGES_PATH
+if ! [[ -e $IMAGES_PATH/fedora-coreos-35.qcow2 ]]; then
+    wget https://builds.coreos.fedoraproject.org/prod/streams/stable/builds/35.20220424.3.0/x86_64/fedora-coreos-35.20220424.3.0-openstack.x86_64.qcow2.xz -O $IMAGES_PATH/fedora-coreos-35.qcow2.xz
+    (cd $IMAGES_PATH; xz -d fedora-coreos-35.qcow2.xz; )
+fi
+
+# Install dependencies
+which yq &>/dev/null || sudo snap install yq
+
+TOOLS_PATH=$(realpath $(dirname $0))/func_test_tools
+CHARM_PATH=$(pwd)
+
+echo "Running regression tests"
+
+source ~/novarc
+export {,TEST_}CIDR_EXT=`openstack subnet show subnet_${OS_USERNAME}-psd-extra -c cidr -f value`
+FIP_MAX=$(ipcalc $CIDR_EXT| awk '$1=="HostMax:" {print $2}')
+FIP_MIN=$(ipcalc $CIDR_EXT| awk '$1=="HostMin:" {print $2}')
+FIP_MIN_ABC=${FIP_MIN%.*}
+FIP_MIN_D=${FIP_MIN##*.}
+FIP_MIN=${FIP_MIN_ABC}.$(($FIP_MIN_D + 64))
+
+CIDR_OAM=`openstack subnet show subnet_${OS_USERNAME}-psd -c cidr -f value`
+OAM_MAX=$(ipcalc $CIDR_OAM| awk '$1=="HostMax:" {print $2}')
+OAM_MIN=$(ipcalc $CIDR_OAM| awk '$1=="HostMin:" {print $2}')
+OAM_MIN_ABC=${OAM_MIN%.*}
+OAM_MAX_D=${OAM_MAX##*.}
+# Picking last two addresses and hoping they dont get used by Neutron.
+export {OS,TEST}_VIP00=${OAM_MIN_ABC}.$(($OAM_MAX_D - 1))
+export {OS,TEST}_VIP01=${OAM_MIN_ABC}.$(($OAM_MAX_D - 2))
+
+# More information on config https://github.com/openstack-charmers/zaza/blob/master/doc/source/runningcharmtests.rst
+export {,TEST_}NET_ID=$(openstack network show net_${OS_USERNAME}-psd-extra -f value -c id)
+export {,TEST_}FIP_RANGE=$FIP_MIN:$FIP_MAX
+export {,TEST_}GATEWAY=$(openstack subnet show subnet_${OS_USERNAME}-psd-extra -c gateway_ip -f value)
+export {,TEST_}NAME_SERVER=91.189.91.131
+export {,TEST_}CIDR_PRIV=192.168.21.0/24
+export {,TEST_}SWIFT_IP=10.140.56.22
+export TEST_MODEL_SETTINGS="image-stream=released;default-series=jammy;test-mode=true;transmit-vendor-metrics=false"
+# We need to set TEST_JUJU3 as well as the constraints file
+# Ref: https://github.com/openstack-charmers/zaza/blob/e96ab098f00951079fccb34bc38d4ae6ebb38606/setup.py#L47
+export TEST_JUJU3=1
+
+# NOTE: this should not be necessary for > juju 2.x but since we still have a need for it we add it in
+export TEST_ZAZA_BUG_LP1987332=1
+
+# Some charms point to an upstream constraints file that installs python-libjuju 2.x so we need to do this to ensure we get 3.x
+export TEST_CONSTRAINTS_FILE=https://raw.githubusercontent.com/openstack-charmers/zaza/master/constraints-juju34.txt
+
+LOGFILE=$(mktemp --suffix=-charm-func-test-results)
+(
+    # Ensure charmed-openstack-tester checked out and up-to-date
+    if [[ -d $HOME/charmed-openstack-tester ]]; then
+        cd $HOME/charmed-openstack-tester
+        git checkout master
+        git pull
+    else
+        cd $HOME
+        git clone https://github.com/openstack-charmers/charmed-openstack-tester
+        cd charmed-openstack-tester
+    fi
+
+    fail=false
+    tox -e func-target -- $FUNC_TEST_TARGET || fail=true
+    model=`juju list-models| egrep -o "^zaza-\S+"|tr -d '*'`
+) 2>&1 | tee $LOGFILE
+echo -e "\nResults also saved to $LOGFILE"