bitbake: toasterui: make toasterui to work in build mode

Currently toasterui works only in observer mode. This is
artificial limitation which was made to support current toaster
design. As we decided to stop using bitbake server we'll
need to run toasterui also in build mode.

[YOCTO #7880]

(Bitbake rev: d4b5796899c3ca5c7becd7322291afd8afb35a31)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: brian avery <avery.brian@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/toasterui.py

@@ -168,8 +168,23 @@ def main(server, eventHandler, params):
         build_history_enabled = False
 
     if not params.observe_only:
-        logger.error("ToasterUI can only work in observer mode")
-        return 1
+        params.updateFromServer(server)
+        params.updateToServer(server, os.environ.copy())
+        cmdline = params.parseActions()
+        if not cmdline:
+            print("Nothing to do.  Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information.")
+            return 1
+        if 'msg' in cmdline and cmdline['msg']:
+            logger.error(cmdline['msg'])
+            return 1
+
+        ret, error = server.runCommand(cmdline['action'])
+        if error:
+            logger.error("Command '%s' failed: %s" % (cmdline, error))
+            return 1
+        elif ret != True:
+            logger.error("Command '%s' failed: returned %s" % (cmdline, ret))
+            return 1
 
     # set to 1 when toasterui needs to shut down
     main.shutdown = 0