events: python2 to python3 compat

1. Fix imports
2. Use universal_newlines flag in Popen
3. encode msg used in 'sendto'

Updates: #411
Change-Id: Ieacdc2ba86953ff3a2e9d9b9a97157e8e0e36836
Signed-off-by: Kotresh HR <khiremat@redhat.com>

events/src/eventsapiconf.py.in

@@ -18,7 +18,8 @@ def get_glusterd_workdir():
     if glusterd_workdir is not None:
         return glusterd_workdir
     proc = subprocess.Popen(["gluster", "system::", "getwd"],
-                            stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                            stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+                            universal_newlines = True)
     out, err = proc.communicate()
     if proc.returncode == 0:
         glusterd_workdir = out.strip()

events/src/gf_event.py

@@ -12,10 +12,10 @@
 import socket
 import time
 
-from eventsapiconf import SERVER_ADDRESS, EVENTS_ENABLED
-from eventtypes import all_events
+from .eventsapiconf import SERVER_ADDRESS, EVENTS_ENABLED
+from .eventtypes import all_events
 
-from utils import logger, setup_logger, get_config
+from .utils import logger, setup_logger, get_config
 
 # Run this when this lib loads
 setup_logger()
@@ -35,18 +35,18 @@ def gf_event(event_type, **kwargs):
         logger.error("Unable to connect to events Server: {0}".format(e))
         return
 
+    port = get_config("port")
+    if port is None:
+        logger.error("Unable to get eventsd port details")
+        return
+
     # Convert key value args into KEY1=VALUE1;KEY2=VALUE2;..
     msg = ""
     for k, v in kwargs.items():
         msg += "{0}={1};".format(k, v)
 
     # <TIMESTAMP> <EVENT_TYPE> <MSG>
-    msg = "{0} {1} {2}".format(int(time.time()), event_type, msg.strip(";"))
-
-    port = get_config("port")
-    if port is None:
-        logger.error("Unable to get eventsd port details")
-        return
+    msg = "{0} {1} {2}".format(int(time.time()), event_type, msg.strip(";")).encode()
 
     try:
         sent = client.sendto(msg, (SERVER_ADDRESS, port))

events/src/utils.py

@@ -26,13 +26,13 @@ import hmac
 from hashlib import sha256
 from calendar import timegm
 
-from eventsapiconf import (LOG_FILE,
+from .eventsapiconf import (LOG_FILE,
                            WEBHOOKS_FILE,
                            DEFAULT_CONFIG_FILE,
                            CUSTOM_CONFIG_FILE,
                            UUID_FILE,
                            CERTS_DIR)
-import eventtypes
+from . import eventtypes
 
 
 # Webhooks list