[oe-commits] [bitbake] 03/03: bitbake: main: implement server autostart feature

[git at git.openembedded.org]

rpurdie pushed a commit to branch master-next
in repository bitbake.

commit 0eea3cd72136e36343081548ad53a1948551d1dd
Author: Ed Bartosh <ed.bartosh at linux.intel.com>
AuthorDate: Mon Jul 18 19:07:18 2016 +0300

    bitbake: main: implement server autostart feature
    
    If environment variable BBSERVER == 'autostart' bitbake will
    automatically load server if it's not running yet.
    
    If host and port are in bitbake.lock then bitbake tries to check
    if server is running and responses to commands and starts new
    server only if this check fails.
    
    [YOCTO #5534]
    
    Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 lib/bb/main.py | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib/bb/main.py b/lib/bb/main.py
index 3fc3ff5..1c32e93 100755
--- a/lib/bb/main.py
+++ b/lib/bb/main.py
@@ -303,8 +303,10 @@ class BitBakeConfigParameters(cookerdata.ConfigParameters):
 
         # if BBSERVER says to autodetect, let's do that
         if options.remote_server:
-            [host, port] = options.remote_server.split(":", 2)
-            port = int(port)
+            port = -1
+            if options.remote_server != 'autostart':
+                host, port = options.remote_server.split(":", 2)
+                port = int(port)
             # use automatic port if port set to -1, means read it from
             # the bitbake.lock file; this is a bit tricky, but we always expect
             # to be in the base of the build directory if we need to have a
@@ -321,17 +323,18 @@ class BitBakeConfigParameters(cookerdata.ConfigParameters):
                     lf.close()
                     options.remote_server = remotedef
                 except Exception as e:
-                    raise BBMainException("Failed to read bitbake.lock (%s), invalid port" % str(e))
+                    if options.remote_server != 'autostart':
+                        raise BBMainException("Failed to read bitbake.lock (%s), invalid port" % str(e))
 
         return options, targets[1:]
 
 
 def start_server(servermodule, configParams, configuration, features):
     server = servermodule.BitBakeServer()
-    single_use = not configParams.server_only
+    single_use = not configParams.server_only and os.getenv('BBSERVER') != 'autostart'
     if configParams.bind:
         (host, port) = configParams.bind.split(':')
-        server.initServer((host, int(port)), single_use)
+        server.initServer((host, int(port)), single_use=single_use)
         configuration.interface = [server.serverImpl.host, server.serverImpl.port]
     else:
         server.initServer(single_use=single_use)
@@ -445,6 +448,14 @@ def bitbake_main(configParams, configuration):
         server = start_server(servermodule, configParams, configuration, featureset)
         bb.event.ui_queue = []
     else:
+        if os.getenv('BBSERVER') == 'autostart':
+            if configParams.remote_server == 'autostart' or \
+               not servermodule.check_connection(configParams.remote_server, timeout=2):
+                configParams.bind = 'localhost:0'
+                srv = start_server(servermodule, configParams, configuration, featureset)
+                configParams.remote_server = '%s:%d' % tuple(configuration.interface)
+                bb.event.ui_queue = []
+
         # we start a stub server that is actually a XMLRPClient that connects to a real server
         server = servermodule.BitBakeXMLRPCClient(configParams.observe_only,
                                                   configParams.xmlrpctoken)

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