Add test-setup-docker.sh

This is intended as an aid for developers (since we have moved the
ZK setup which was in test-setup.sh to a playbook for tox jobs).

Change-Id: I9ca03831a74928ec6875c5f6668cfcfcdedb37fd

tools/test-setup-docker.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# This runs ZooKeeper in a docker container, which is required for
+# tests.
+
+# This setup needs to be run as a user that can run docker or podman.
+
+set -xeu
+
+cd $(dirname $0)
+SCRIPT_DIR="$(pwd)"
+
+# Select docker or podman
+if command -v docker > /dev/null; then
+  DOCKER=docker
+  if ! docker ps; then
+    systemctl start docker
+  fi
+elif command -v podman > /dev/null; then
+  DOCKER=podman
+else
+  echo "Please install docker or podman."
+  exit 1
+fi
+
+# Select docker-compose or podman-compose
+if command -v docker-compose > /dev/null; then
+  COMPOSE=docker-compose
+elif command -v podman-compose > /dev/null; then
+  COMPOSE=podman-compose
+else
+  echo "Please install docker-compose or podman-compose."
+  exit 1
+fi
+
+CA_DIR=$SCRIPT_DIR/ca
+
+mkdir -p $CA_DIR
+$SCRIPT_DIR/zk-ca.sh $CA_DIR nodepool-test-zookeeper
+
+${COMPOSE} down
+
+${COMPOSE} up -d
+
+echo "Finished"