-def log(msg):
- """Write <msg> to the log file."""
- fd = os.open(LOG_FILE, os.O_WRONLY | os.O_CREAT | os.O_APPEND, 0600)
- if not msg.endswith('\n'): msg += '\n'
- os.write(fd, '%s: %s' % (time.asctime(time.gmtime()), msg))
- os.close(fd)
+# Thierry - trying to debug this for 4.2
+# basically define 3 levels
+LOG_NONE=0
+LOG_NODE=1
+LOG_VERBOSE=2
+# default is to log a reasonable amount of stuff for when running on operational nodes
+LOG_LEVEL=1
+
+def set_level(level):
+ global LOG_LEVEL
+ assert level in [LOG_NONE,LOG_NODE,LOG_VERBOSE]
+ LOG_LEVEL=level
+
+def verbose(msg):
+ log(msg,LOG_VERBOSE)
+
+def log(msg,level=LOG_NODE):
+ """Write <msg> to the log file if level >= current log level (default LOG_NODE)."""
+ if (level > LOG_LEVEL):
+ return
+ try:
+ fd = os.open(LOG_FILE, os.O_WRONLY | os.O_CREAT | os.O_APPEND, 0600)
+ if not msg.endswith('\n'): msg += '\n'
+ os.write(fd, '%s: %s' % (time.asctime(time.gmtime()), msg))
+ os.close(fd)
+ except OSError:
+ sys.stderr.write(msg)
+ sys.stderr.flush()