utils & storyboard: add syslog retrieval functionality

Implements #39.
Also updated examples.

1 files changed, 9 insertions, 6 deletions

diff --git a/rumba/storyboard.py b/rumba/storyboard.py
index 26e91fd..ca0cfb5 100644
--- a/rumba/storyboard.py
+++ b/rumba/storyboard.py
@@ -229,7 +229,7 @@ class Server:
 
     def run(self):
         for node in self.nodes:
-            logfile = "%s_server.log" % self.ap
+            logfile = "/tmp/%s_server.log" % self.ap
             script = r'nohup "$@" > %s 2>&1 & echo "$!"' % (logfile,)
             run_cmd = self.ap + (
                 (" " + self.options) if self.options is not None else ""
@@ -434,18 +434,21 @@ class StoryBoard:
             for server in self.servers:
                 server.stop()
 
-    def fetch_logs(self, local_dir='.'):
+    def fetch_logs(self, local_dir=None):
+        if local_dir is None:
+            local_dir = self.experiment.log_dir
         if not os.path.isdir(local_dir):
-            raise Exception('"%s" is not a directory. Cannot fetch logs.'
+            raise Exception('Destination "%s" is not a directory. '
+                            'Cannot fetch logs.'
                             % local_dir)
         for node in self.server_nodes:
-            logs_list = node.execute_command('ls *_server.log')
+            logs_list = node.execute_command('ls /tmp/*_server.log')
             logs_list = [x for x in logs_list.split('\n') if x != '']
-            logger.info('Log list is:\n%s', logs_list)
+            logger.debug('Log list is:\n%s', logs_list)
             node.fetch_files(logs_list, local_dir)
         for node in self.client_nodes:
             logs_list = node.execute_command('ls /tmp/*.rumba.log '
                                              '|| echo ""')
             logs_list = [x for x in logs_list.split('\n') if x != '']
-            logger.info('Log list is:\n%s', logs_list)
+            logger.debug('Log list is:\n%s', logs_list)
             node.fetch_files(logs_list, local_dir)