@@ -735,26 +735,69 @@ function restart_service() {

 }

+# _run_process() is designed to be backgrounded by run_process() to simulate a

+# fork.  It includes the dirty work of closing extra filehandles and preparing log

+# files to produce the same logs as screen_it().  The log filename is derived

+# from the service name and global-and-now-misnamed SCREEN_LOGDIR

+# _run_process service "command-line"

+function _run_process() {

+    local service=$1

+    local command="$2"

+

+    # Undo logging redirections and close the extra descriptors

+    exec 1>&3

+    exec 2>&3

+    exec 3>&-

+    exec 6>&-

+

+    if [[ -n ${SCREEN_LOGDIR} ]]; then

+        exec 1>&${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log 2>&1

+        ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log

+

+        # TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs.

+        export PYTHONUNBUFFERED=1

+    fi

+

+    exec /bin/bash -c "$command"

+    die "$service exec failure: $command"

+}

+

+

+# run_process() launches a child process that closes all file descriptors and

+# then exec's the passed in command.  This is meant to duplicate the semantics

+# of screen_it() without screen.  PIDs are written to

+# $SERVICE_DIR/$SCREEN_NAME/$service.pid

+# run_process service "command-line"

+function run_process() {

+    local service=$1

+    local command="$2"

+

+    # Spawn the child process

+    _run_process "$service" "$command" &

+    echo $!

+}

+

+

 # Helper to launch a service in a named screen

 # screen_it service "command-line"

 function screen_it {

     SCREEN_NAME=${SCREEN_NAME:-stack}

     SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}

-    SCREEN_DEV=`trueorfalse True $SCREEN_DEV`

+    USE_SCREEN=$(trueorfalse True $USE_SCREEN)

     if is_service_enabled $1; then

         # Append the service to the screen rc file

         screen_rc "$1" "$2"

-        screen -S $SCREEN_NAME -X screen -t $1

+        if [[ "$USE_SCREEN" = "True" ]]; then

+            screen -S $SCREEN_NAME -X screen -t $1

-        if [[ -n ${SCREEN_LOGDIR} ]]; then

-            screen -S $SCREEN_NAME -p $1 -X logfile ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log

-            screen -S $SCREEN_NAME -p $1 -X log on

-            ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log

-        fi

+            if [[ -n ${SCREEN_LOGDIR} ]]; then

+                screen -S $SCREEN_NAME -p $1 -X logfile ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log

+                screen -S $SCREEN_NAME -p $1 -X log on

+                ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log

+            fi

-        if [[ "$SCREEN_DEV" = "True" ]]; then

             # sleep to allow bash to be ready to be send the command - we are

             # creating a new window in screen and then sends characters, so if

             # bash isn't running by the time we send the command, nothing happens

@@ -763,7 +806,8 @@ function screen_it {

             NL=`echo -ne '\015'`

             screen -S $SCREEN_NAME -p $1 -X stuff "$2 || touch \"$SERVICE_DIR/$SCREEN_NAME/$1.failure\"$NL"

         else

-            screen -S $SCREEN_NAME -p $1 -X exec /bin/bash -c "$2 || touch \"$SERVICE_DIR/$SCREEN_NAME/$1.failure\""

+            # Spawn directly without screen

+            run_process "$1" "$2" >$SERVICE_DIR/$SCREEN_NAME/$service.pid

         fi

     fi

 }

@@ -824,8 +824,17 @@ fi

 # Configure screen

 # ----------------

-if [ -z "$SCREEN_HARDSTATUS" ]; then

-    SCREEN_HARDSTATUS='%{= .} %-Lw%{= .}%> %n%f %t*%{= .}%+Lw%< %-=%{g}(%{d}%H/%l%{g})'

+USE_SCREEN=$(trueorfalse True $USE_SCREEN)

+if [[ "$USE_SCREEN" == "True" ]]; then

+    # Create a new named screen to run processes in

+    screen -d -m -S $SCREEN_NAME -t shell -s /bin/bash

+    sleep 1

+

+    # Set a reasonable status bar

+    if [ -z "$SCREEN_HARDSTATUS" ]; then

+        SCREEN_HARDSTATUS='%{= .} %-Lw%{= .}%> %n%f %t*%{= .}%+Lw%< %-=%{g}(%{d}%H/%l%{g})'

+    fi

+    screen -r $SCREEN_NAME -X hardstatus alwayslastline "$SCREEN_HARDSTATUS"

 fi

 # Clear screen rc file

@@ -834,12 +843,6 @@ if [[ -e $SCREENRC ]]; then

     echo -n > $SCREENRC

 fi

-# Create a new named screen to run processes in

-screen -d -m -S $SCREEN_NAME -t shell -s /bin/bash

-sleep 1

-

-# Set a reasonable status bar

-screen -r $SCREEN_NAME -X hardstatus alwayslastline "$SCREEN_HARDSTATUS"

 # Initialize the directory for service status check

 init_service_check

@@ -30,8 +30,8 @@ NOVA_ENABLED_APIS=ec2,osapi_compute,metadata

 # stuffing text into the screen windows so that a developer can use

 # ctrl-c, up-arrow, enter to restart the service. Starting services

 # this way is slightly unreliable, and a bit slower, so this can

-# be disabled for automated testing by setting this value to false.

-SCREEN_DEV=True

+# be disabled for automated testing by setting this value to False.

+USE_SCREEN=True

 # Repositories

 # ------------

@@ -198,3 +198,6 @@ VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-5130M}

 PRIVATE_NETWORK_NAME=${PRIVATE_NETWORK_NAME:-"private"}

 PUBLIC_NETWORK_NAME=${PUBLIC_NETWORK_NAME:-"nova"}

+

+# Compatibility until it's eradicated from CI

+USE_SCREEN=${SCREEN_DEV:-$USE_SCREEN}