Enhance process pool implementation

[dak.git] / dak / generate_packages_sources2.py

diff --git a/dak/generate_packages_sources2.py b/dak/generate_packages_sources2.py
index f055aa56ee1acce23a5f8b04fd0cbd4be9c399c9..a7efea24720219fcc4fc58767520350130aae0ec 100755 (executable)
--- a/dak/generate_packages_sources2.py
+++ b/dak/generate_packages_sources2.py
@@ -31,11 +31,13 @@ Generate Packages/Sources files
 from daklib.dbconn import *
 from daklib.config import Config
 from daklib import utils, daklog
-from daklib.dakmultiprocessing import Pool
+from daklib.dakmultiprocessing import DakProcessPool, PROC_STATUS_SUCCESS, PROC_STATUS_SIGNALRAISED
 from daklib.filewriter import PackagesFileWriter, SourcesFileWriter
 
 import apt_pkg, os, stat, sys
 
+EXIT_STATUS = 0
+
 def usage():
     print """Usage: dak generate-packages-sources2 [OPTIONS]
 Generate the Packages/Sources files
@@ -263,23 +265,35 @@ def main():
 
     component_ids = [ c.component_id for c in session.query(Component).all() ]
 
-    def log(details):
-        logger.log(details)
-
-    pool = Pool()
+    def parse_results(message):
+        # Split out into (code, msg)
+        code, msg = message
+        if code == PROC_STATUS_SUCCESS:
+            Logger.log([msg])
+        elif code == PROC_STATUS_SIGNALRAISED:
+            Logger.log(['E: Subprocess recieved signal ', msg])
+        else:
+            Logger.log(['E: ', msg])
+
+    pool = DakProcessPool()
     for s in suites:
         if s.untouchable and not force:
             utils.fubar("Refusing to touch %s (untouchable and not forced)" % s.suite_name)
         for c in component_ids:
-            pool.apply_async(generate_sources, [s.suite_id, c], callback=log)
+            pool.apply_async(generate_sources, [s.suite_id, c], callback=parse_result)
             for a in s.architectures:
-                pool.apply_async(generate_packages, [s.suite_id, c, a.arch_id, 'deb'], callback=log)
-                pool.apply_async(generate_packages, [s.suite_id, c, a.arch_id, 'udeb'], callback=log)
+                pool.apply_async(generate_packages, [s.suite_id, c, a.arch_id, 'deb'], callback=parse_result)
+                pool.apply_async(generate_packages, [s.suite_id, c, a.arch_id, 'udeb'], callback=parse_result)
 
     pool.close()
     pool.join()
+
     # this script doesn't change the database
     session.close()
 
+    logger.close()
+
+    sys.exit(pool.output_status())
+
 if __name__ == '__main__':
     main()