@@ -275,12 +275,64 @@ function write_uwsgi_config {

     else

         local apache_conf=""

         apache_conf=$(apache_site_config_for $name)

-        echo "ProxyPass \"${url}\" \"unix:${socket}|uwsgi://uwsgi-uds-${name}/\" retry=0 " | sudo tee $apache_conf

+        echo "SetEnv proxy-sendcl 1" | sudo tee $apache_conf

+        echo "ProxyPass \"${url}\" \"unix:${socket}|uwsgi://uwsgi-uds-${name}/\" retry=0 " | sudo tee -a $apache_conf

         enable_apache_site $name

         restart_apache_server

     fi

 }

+# For services using chunked encoding, the only services known to use this

+# currently are Glance and Swift, we need to use an http proxy instead of

+# mod_proxy_uwsgi because the chunked encoding gets dropped. See:

+# https://github.com/unbit/uwsgi/issues/1540 You can workaround this on python2

+# but that involves having apache buffer the request before sending it to

+# uswgi.

+function write_local_uwsgi_http_config {

+    local file=$1

+    local wsgi=$2

+    local url=$3

+    name=$(basename $wsgi)

+

+    # create a home for the sockets; note don't use /tmp -- apache has

+    # a private view of it on some platforms.

+

+    # always cleanup given that we are using iniset here

+    rm -rf $file

+    iniset "$file" uwsgi wsgi-file "$wsgi"

+    port=$(get_random_port)

+    iniset "$file" uwsgi http "127.0.0.1:$port"

+    iniset "$file" uwsgi processes $API_WORKERS

+    # This is running standalone

+    iniset "$file" uwsgi master true

+    # Set die-on-term & exit-on-reload so that uwsgi shuts down

+    iniset "$file" uwsgi die-on-term true

+    iniset "$file" uwsgi exit-on-reload true

+    iniset "$file" uwsgi enable-threads true

+    iniset "$file" uwsgi plugins python

+    # uwsgi recommends this to prevent thundering herd on accept.

+    iniset "$file" uwsgi thunder-lock true

+    # Override the default size for headers from the 4k default.

+    iniset "$file" uwsgi buffer-size 65535

+    # Make sure the client doesn't try to re-use the connection.

+    iniset "$file" uwsgi add-header "Connection: close"

+    # This ensures that file descriptors aren't shared between processes.

+    iniset "$file" uwsgi lazy-apps true

+    iniset "$file" uwsgi chmod-socket 666

+    iniset "$file" uwsgi http-raw-body true

+    iniset "$file" uwsgi http-chunked-input true

+    iniset "$file" uwsgi http-auto-chunked true

+

+    enable_apache_mod proxy

+    enable_apache_mod proxy_http

+    local apache_conf=""

+    apache_conf=$(apache_site_config_for $name)

+    echo "KeepAlive Off" | sudo tee $apache_conf

+    echo "ProxyPass \"${url}\" \"http://127.0.0.1:$port\" retry=0 " | sudo tee -a $apache_conf

+    enable_apache_site $name

+    restart_apache_server

+}

+

 function remove_uwsgi_config {

     local file=$1

     local wsgi=$2

@@ -335,7 +335,7 @@ function configure_cinder {

     iniset $CINDER_CONF DEFAULT osapi_volume_workers "$API_WORKERS"

-    iniset $CINDER_CONF DEFAULT glance_api_servers "${GLANCE_SERVICE_PROTOCOL}://${GLANCE_HOSTPORT}"

+    iniset $CINDER_CONF DEFAULT glance_api_servers "$GLANCE_URL"

     if is_service_enabled tls-proxy; then

         iniset $CINDER_CONF DEFAULT glance_protocol https

         iniset $CINDER_CONF DEFAULT glance_ca_certificates_file $SSL_BUNDLE_FILE

@@ -71,6 +71,16 @@ GLANCE_HOSTPORT=${GLANCE_HOSTPORT:-$GLANCE_SERVICE_HOST:$GLANCE_SERVICE_PORT}

 GLANCE_SERVICE_PROTOCOL=${GLANCE_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}

 GLANCE_REGISTRY_PORT=${GLANCE_REGISTRY_PORT:-9191}

 GLANCE_REGISTRY_PORT_INT=${GLANCE_REGISTRY_PORT_INT:-19191}

+GLANCE_UWSGI=$GLANCE_BIN_DIR/glance-wsgi-api

+GLANCE_UWSGI_CONF=$GLANCE_CONF_DIR/glance-uswgi.ini

+# If wsgi mode is uwsgi run glance under uwsgi, else default to eventlet

+# TODO(mtreinish): Remove the eventlet path here and in all the similar

+# conditionals below after the Pike release

+if [[ "$WSGI_MODE" == "uwsgi" ]]; then

+    GLANCE_URL="$GLANCE_SERVICE_PROTOCOL://$GLANCE_SERVICE_HOST/image"

+else

+    GLANCE_URL="$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT"

+fi

 # Functions

 # ---------

@@ -104,16 +114,13 @@ function configure_glance {

     dburl=`database_connection_url glance`

     iniset $GLANCE_REGISTRY_CONF database connection $dburl

     iniset $GLANCE_REGISTRY_CONF DEFAULT use_syslog $SYSLOG

-    iniset $GLANCE_REGISTRY_CONF DEFAULT workers "$API_WORKERS"

     iniset $GLANCE_REGISTRY_CONF paste_deploy flavor keystone

     configure_auth_token_middleware $GLANCE_REGISTRY_CONF glance $GLANCE_AUTH_CACHE_DIR/registry

     iniset $GLANCE_REGISTRY_CONF oslo_messaging_notifications driver messagingv2

     iniset_rpc_backend glance $GLANCE_REGISTRY_CONF

     iniset $GLANCE_REGISTRY_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"

-    cp $GLANCE_DIR/etc/glance-api.conf $GLANCE_API_CONF

     iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL

-    iniset $GLANCE_API_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS

     inicomment $GLANCE_API_CONF DEFAULT log_file

     iniset $GLANCE_API_CONF database connection $dburl

     iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG

@@ -141,8 +148,6 @@ function configure_glance {

     iniset $GLANCE_API_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/

     iniset $GLANCE_API_CONF DEFAULT registry_host $GLANCE_SERVICE_HOST

-    iniset $GLANCE_API_CONF DEFAULT workers "$API_WORKERS"

-

     # CORS feature support - to allow calls from Horizon by default

     if [ -n "$GLANCE_CORS_ALLOWED_ORIGIN" ]; then

         iniset $GLANCE_API_CONF cors allowed_origin "$GLANCE_CORS_ALLOWED_ORIGIN"

@@ -199,7 +204,6 @@ function configure_glance {

     setup_logging $GLANCE_REGISTRY_CONF

     cp -p $GLANCE_DIR/etc/glance-registry-paste.ini $GLANCE_REGISTRY_PASTE_INI

-

     cp -p $GLANCE_DIR/etc/glance-api-paste.ini $GLANCE_API_PASTE_INI

     cp $GLANCE_DIR/etc/glance-cache.conf $GLANCE_CACHE_CONF

@@ -232,6 +236,13 @@ function configure_glance {

         iniset $GLANCE_API_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"

         iniset $GLANCE_CACHE_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"

     fi

+

+    if [[ "$WSGI_MODE" == "uwsgi" ]]; then

+        write_local_uwsgi_http_config "$GLANCE_UWSGI_CONF" "$GLANCE_UWSGI" "/image"

+    else

+        iniset $GLANCE_API_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS

+        iniset $GLANCE_API_CONF DEFAULT workers "$API_WORKERS"

+    fi

 }

 # create_glance_accounts() - Set up common required glance accounts

@@ -256,7 +267,7 @@ function create_glance_accounts {

         get_or_create_endpoint \

             "image" \

             "$REGION_NAME" \

-            "$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT"

+            "$GLANCE_URL"

         # Note(frickler): Crude workaround for https://bugs.launchpad.net/glance-store/+bug/1620999

         service_domain_id=$(get_or_create_domain $SERVICE_DOMAIN_NAME)

@@ -323,15 +334,21 @@ function install_glance {

 function start_glance {

     local service_protocol=$GLANCE_SERVICE_PROTOCOL

     if is_service_enabled tls-proxy; then

-        start_tls_proxy glance-service '*' $GLANCE_SERVICE_PORT $GLANCE_SERVICE_HOST $GLANCE_SERVICE_PORT_INT

+        if [[ "$WSGI_MODE" != "uwsgi" ]]; then

+            start_tls_proxy glance-service '*' $GLANCE_SERVICE_PORT $GLANCE_SERVICE_HOST $GLANCE_SERVICE_PORT_INT

+        fi

         start_tls_proxy glance-registry '*' $GLANCE_REGISTRY_PORT $GLANCE_SERVICE_HOST $GLANCE_REGISTRY_PORT_INT

     fi

     run_process g-reg "$GLANCE_BIN_DIR/glance-registry --config-file=$GLANCE_CONF_DIR/glance-registry.conf"

-    run_process g-api "$GLANCE_BIN_DIR/glance-api --config-file=$GLANCE_CONF_DIR/glance-api.conf"

+    if [[ "$WSGI_MODE" == "uwsgi" ]]; then

+        run_process g-api "$GLANCE_BIN_DIR/uwsgi --ini $GLANCE_UWSGI_CONF"

+    else

+        run_process g-api "$GLANCE_BIN_DIR/glance-api --config-file=$GLANCE_CONF_DIR/glance-api.conf"

+    fi

-    echo "Waiting for g-api ($GLANCE_HOSTPORT) to start..."

-    if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT; then

+    echo "Waiting for g-api ($GLANCE_SERVICE_HOST) to start..."

+    if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_URL; then

         die $LINENO "g-api did not start"

     fi

 }

@@ -575,7 +575,7 @@ function create_nova_conf {

     # enable notifications, but it will allow them to function when enabled.

     iniset $NOVA_CONF oslo_messaging_notifications driver "messagingv2"

     iniset_rpc_backend nova $NOVA_CONF

-    iniset $NOVA_CONF glance api_servers "${GLANCE_SERVICE_PROTOCOL}://${GLANCE_HOSTPORT}"

+    iniset $NOVA_CONF glance api_servers "$GLANCE_URL"

     iniset $NOVA_CONF DEFAULT osapi_compute_workers "$API_WORKERS"

     iniset $NOVA_CONF DEFAULT metadata_workers "$API_WORKERS"