Revert "Refactor Zaqar to satisfy openstack uwsgi goal"

This reverts commit 5a7636786e.

Reason for revert: We do not handle href links properly and this breaks other services depending on Zaqar.

Change-Id: I5fb0f2f25c280dd69cfb99d9f9b320df552462dc

devstack/plugin.sh

@@ -153,7 +153,19 @@ function configure_zaqar {
 
     pip_install uwsgi
 
-    write_uwsgi_config "$ZAQAR_UWSGI_CONF" "$ZAQAR_UWSGI_APP" "/messaging"
+    iniset $ZAQAR_UWSGI_CONF uwsgi master true
+    iniset $ZAQAR_UWSGI_CONF uwsgi die-on-term true
+    iniset $ZAQAR_UWSGI_CONF uwsgi exit-on-reload true
+    iniset $ZAQAR_UWSGI_CONF uwsgi http $ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT
+    iniset $ZAQAR_UWSGI_CONF uwsgi processes $API_WORKERS
+    iniset $ZAQAR_UWSGI_CONF uwsgi enable_threads true
+    iniset $ZAQAR_UWSGI_CONF uwsgi threads 4
+    iniset $ZAQAR_UWSGI_CONF uwsgi thunder-lock true
+    iniset $ZAQAR_UWSGI_CONF uwsgi buffer-size 65535
+    iniset $ZAQAR_UWSGI_CONF uwsgi wsgi-file $ZAQAR_DIR/zaqar/transport/wsgi/app.py
+    iniset $ZAQAR_UWSGI_CONF uwsgi master true
+    iniset $ZAQAR_UWSGI_CONF uwsgi add-header "Connection: close"
+    iniset $ZAQAR_UWSGI_CONF uwsgi lazy-apps true
 
     cleanup_zaqar
 }
@@ -246,12 +258,8 @@ function start_zaqar {
     echo "Waiting for Zaqar to start..."
     local www_authenticate_uri=http://${ZAQAR_SERVICE_HOST}/identity
     token=$(openstack token issue -c id -f value --os-auth-url ${www_authenticate_uri})
-    if ! timeout $SERVICE_TIMEOUT sh -c "while ! wget --no-proxy -q --header=\"Client-ID:$(uuidgen)\" --header=\"X-Auth-Token:$token\" -O- $ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST/messaging/v2/ping; do sleep 1; done"; then
-        # TODO(wxy): This check could be removed after the migration to Apache
-        # proxy.
-        if ! timeout $SERVICE_TIMEOUT sh -c "while ! wget --no-proxy -q --header=\"Client-ID:$(uuidgen)\" --header=\"X-Auth-Token:$token\" -O- $ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT/v2/ping; do sleep 1; done"; then
-            die $LINENO "Zaqar did not start"
-        fi
+    if ! timeout $SERVICE_TIMEOUT sh -c "while ! wget --no-proxy -q --header=\"Client-ID:$(uuidgen)\" --header=\"X-Auth-Token:$token\" -O- $ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT/v2/ping; do sleep 1; done"; then
+        die $LINENO "Zaqar did not start"
     fi
 }
 
@@ -260,9 +268,9 @@ function stop_zaqar {
     local serv
     # Kill the zaqar screen windows
     for serv in zaqar-wsgi zaqar-websocket; do
-        stop_process $serv
+        screen -S $SCREEN_NAME -p $serv -X kill
     done
-    remove_uwsgi_config "$ZAQAR_UWSGI_CONF" "$ZAQAR_UWSGI_APP"
+    uwsgi --stop $ZAQAR_UWSGI_MASTER_PIDFILE
 }
 
 function create_zaqar_accounts {
@@ -274,9 +282,9 @@ function create_zaqar_accounts {
             "messaging" "Zaqar Service")
         get_or_create_endpoint $zaqar_service \
             "$REGION_NAME" \
-            "$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST/messaging" \
-            "$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST/messaging" \
-            "$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST/messaging"
+            "$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT" \
+            "$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT" \
+            "$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT"
 
         local zaqar_ws_service=$(get_or_create_service "zaqar-websocket" \
             "messaging-websocket" "Zaqar Websocket Service")

devstack/settings

@@ -14,7 +14,6 @@ ZAQAR_AUTH_CACHE_DIR=${ZAQAR_AUTH_CACHE_DIR:-/var/cache/zaqar}
 
 # Support potential entry-points console scripts
 ZAQAR_BIN_DIR=$(get_python_exec_prefix)
-ZAQAR_UWSGI_APP=$ZAQAR_BIN_DIR/zaqar-wsgi
 
 # Set up database backend
 ZAQAR_BACKEND=${ZAQAR_BACKEND:-mongodb}

releasenotes/notes/uwsgi-goal-975956d4be93b431.yaml

@@ -1,6 +0,0 @@
-deprecations:
-  - |
-    Set "wsgi-file = zaqar/transport/wsgi/app.py" in uwsgi config file is
-    deprecated and this way is removed in Bobcat release. Please use something
-    like (Ubuntu for example): "wsgi-file = /usr/local/bin/zaqar-wsgi" after
-    installing Zaqar.

setup.cfg

@@ -35,9 +35,6 @@ console_scripts =
     zaqar-sql-db-manage = zaqar.storage.sqlalchemy.migration.cli:main
     zaqar-status = zaqar.cmd.status:main
 
-wsgi_scripts =
-    zaqar-wsgi = zaqar.transport.wsgi.app:build_wsgi
-
 zaqar.data.storage =
     mongodb = zaqar.storage.mongodb.driver:DataDriver
     mongodb.fifo = zaqar.storage.mongodb.driver:FIFODataDriver

zaqar/transport/wsgi/app.py

@@ -42,14 +42,9 @@ conf(project='zaqar', prog='zaqar-queues', args=[])
 log.setup(conf, 'zaqar')
 
 gmr.TextGuruMeditation.setup_autorun(version, conf=conf)
+
 boot = bootstrap.Bootstrap(conf)
 conf.drivers.transport = 'wsgi'
 application = boot.transport.app
 # Keep the old name for compatibility
 app = application
-
-
-def build_wsgi():
-    """Another way used by setup.cfg to initialize WSGI app"""
-    # TODO(wxy): Move the outside code into this function in T.
-    return app