Add functional test with etcd

Change-Id: I43606301c053c937333ab1454eca5f627682d085

.gitignore

@@ -66,3 +66,7 @@ env
 RELEASENOTES.rst
 releasenotes/notes/reno.cache
 releasenotes/build
+
+# Generated by etcd
+etcd-v*
+default.etcd

.zuul.yaml

@@ -31,6 +31,14 @@
       tox_environment:
         PIFPAF_DAEMON: redis
 
+- job:
+    name: taskflow-functional-etcd
+    parent: taskflow-functional
+    vars:
+      tox_environment:
+        PIFPAF_DAEMON: etcd
+        SETUP_ENV_SCRIPT: ./setup-etcd-env.sh
+
 - project:
     templates:
       - check-requirements
@@ -44,7 +52,9 @@
       jobs:
         - taskflow-tox-py310-with-sqlalchemy-2x
         - taskflow-functional-redis
+        - taskflow-functional-etcd
     gate:
       jobs:
         - taskflow-tox-py310-with-sqlalchemy-2x
         - taskflow-functional-redis
+        - taskflow-functional-etcd

playbooks/tests/functional/Debian.yaml

@@ -3,3 +3,4 @@ backend_services_map:
   redis:
     - redis-server
     - redis-sentinel
+  etcd: []

playbooks/tests/functional/RedHat.yaml

@@ -3,3 +3,4 @@ backend_services_map:
   redis:
     - redis
     - redis-sentinel
+  etcd: []

setup-etcd-env.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -eux
+if [ -z "$(which etcd)" ]; then
+    ETCD_VERSION=3.3.27
+    case `uname -s` in
+        Darwin)
+            OS=darwin
+            SUFFIX=zip
+            ;;
+        Linux)
+            OS=linux
+            SUFFIX=tar.gz
+            ;;
+        *)
+            echo "Unsupported OS"
+            exit 1
+    esac
+    case `uname -m` in
+         x86_64)
+             MACHINE=amd64
+             ;;
+         *)
+            echo "Unsupported machine"
+            exit 1
+    esac
+    TARBALL_NAME=etcd-v${ETCD_VERSION}-$OS-$MACHINE
+    test ! -d "$TARBALL_NAME" && curl -L https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/${TARBALL_NAME}.${SUFFIX} | tar xz
+    export PATH=$PATH:$TARBALL_NAME
+fi
+
+$*

tox.ini

@@ -26,9 +26,10 @@ commands =
 [testenv:functional]
 commands =
   find . -type f -name "*.pyc" -delete
-  pifpaf -e TAKSFLOW_TEST run {env:PIFPAF_DAEMON} {env:PIFPAF_OPTS} -- stestr run
+  {env:SETUP_ENV_SCRIPT} pifpaf -e TAKSFLOW_TEST run {env:PIFPAF_DAEMON} {env:PIFPAF_OPTS} -- stestr run
 allowlist_externals =
   find
+  ./setup-etcd-env.sh
 
 [testenv:update-states]
 deps =