Prepare console and run iguana workflow with tty redirects

dracut-iguana/iguana/iguana-lib.sh

@@ -8,9 +8,11 @@ if ! declare -f Echo > /dev/null ; then
 fi
 
 if [ -n "$IGUANA_DEBUG" ]; then
-  Echo "Debug mode - starting secondary tty2"
+  #TODO properly find next available console
+  _tty=/dev/tty2
+  Echo "Debug mode - starting secondary ${_tty}"
   echo "export PS1='iguana@\h:\w> '" > /root/.bashrc
-  setsid -f -- sh -c 'exec /bin/bash </dev/tty2 >/dev/tty2 2>&1'
+  setsid -f -- sh -c "exec /bin/bash <> /dev/${_tty} 2>&1"
 fi
 
 function iguana_reboot_action() {
@@ -79,3 +81,21 @@ function is_root_encrypted() {
   lsblk -o FSTYPE -n -l "$device" | grep -q "crypto_LUKS" && return 0
   return 1
 }
+
+function prepare_console() {
+setterm -msg off 2>/dev/null || true
+  if ! dbus-send --system --print-reply --dest=org.freedesktop.systemd1 /org/freedesktop/systemd1 \
+    org.freedesktop.systemd1.Manager.SetShowStatus string:off &>/dev/null; then
+	  kill -s SIGRTMAX-9 1
+	  sleep 1
+  fi
+}
+
+function restore_console() {
+	if ! run dbus-send --system --print-reply --dest=org.freedesktop.systemd1 /org/freedesktop/systemd1 \
+	  org.freedesktop.systemd1.Manager.SetShowStatus string: &>/dev/null; then
+		kill -s SIGRTMAX-10 1
+	fi
+	sleep 1
+	setterm -msg on 2>/dev/null || true
+}

dracut-iguana/iguana/iguana.sh

@@ -115,8 +115,9 @@ if [ -n "$IGUANA_CONTROL_URL" ]; then
   fi
 fi
 
+_WORKFLOW=""
 if [ -f "$IGUANA_URL_WORKFLOW" ]; then
-  $IGUANA_WORKFLOW "${IGUANA_CMDLINE_EXTRA[@]}" "$IGUANA_URL_WORKFLOW"
+  _WORKFLOW="$IGUANA_URL_WORKFLOW"
 elif [ -n "$IGUANA_CONTAINERS" ]; then
   Echo "Using container list from kcmdline: ${IGUANA_CONTAINERS}"
   readarray -d , -t container_array <<< "$IGUANA_CONTAINERS"
@@ -135,13 +136,29 @@ EOH
 EOF
   N=$(( N + 1 ))
   done
-  $IGUANA_WORKFLOW "${IGUANA_CMDLINE_EXTRA[@]}" /control_containers.yaml
+  _WORKFLOW="/control_containers.yaml"
 # control.yaml is buildin control file in initrd
 elif [ -f "$IGUANA_BUILDIN_WORKFLOW" ]; then
-  $IGUANA_WORKFLOW "${IGUANA_CMDLINE_EXTRA[@]}" "$IGUANA_BUILDIN_WORKFLOW"
+  _WORKFLOW="$IGUANA_BUILDIN_WORKFLOW"
 fi
 
-Echo "Containers run finished"
+if [ ! -f "$_WORKFLOW" ]; then
+  Echo "ERROR: No usable workflow file found!"
+  sleep 10
+  iguana_reboot_action "reboot" "unless-debug"
+fi
+
+systemctl start iguana-workflow-run
+
+# monitor workflow until finished
+
+prepare_console
+if $IGUANA_WORKFLOW "${IGUANA_CMDLINE_EXTRA[@]}" "$_WORKFLOW" <> "$(tty)" 2>&1; then
+  Echo "Workflow run has finished"
+else
+  Echo "Workflow finished with error!"
+fi
+restore_console
 
 # First if workflow set kernelAction then do that
 if [ -f /iguana/kernelAction ]; then