Added email notifications on errors

Signed-off-by: Kristián Feldsam <feldsam@gmail.com>

backup.py

@@ -40,6 +40,9 @@ images = functions.filter_images(all_images, datastores, args)
 from drivers import _3par
 _3par.login()
 
+# starting backup
+functions.send_email('Backup started! Images count: %d' % len(images))
+
 for image_key in images:
     image = images[image_key]
     datastore = datastores[image.DATASTORE_ID]
@@ -78,6 +81,7 @@ for image_key in images:
         if vmDiskId is None:
             # error
             print 'Can not found VM Disk ID for image %d:%s attached to VM %d:%s' % (image.ID, image.NAME, vmId, vm.NAME)
+            functions.send_email('Can not found VM Disk ID for image %d:%s attached to VM %d:%s' % (image.ID, image.NAME, vmId, vm.NAME))
             continue
 
         if args.verbose:
@@ -93,6 +97,7 @@ for image_key in images:
             _3par.backup_live(one, image, vm, vmDiskId, args.verbose)
         except Exception as ex:
             print ex
+            functions.send_email('Error backup image %d:%s: "%s"' % (image.ID, image.NAME, ex))
             continue
 
         # unlock VM
@@ -110,6 +115,7 @@ for image_key in images:
             _3par.backup(image, args.verbose)
         except Exception as ex:
             print ex
+            functions.send_email('Error backup image %d:%s: "%s"' % (image.ID, image.NAME, ex))
             continue
 
     # non-persistent
@@ -121,6 +127,7 @@ for image_key in images:
             _3par.backup(image, args.verbose)
         except Exception as ex:
             print ex
+            functions.send_email('Error backup image %d:%s: "%s"' % (image.ID, image.NAME, ex))
             continue
 
     # unlock image

config.sample.py

@@ -22,4 +22,8 @@ _3PAR = {
 }
 
 # export volumes to host - backup host name defined in 3PAR
-EXPORT_HOST = 'backup.hostname'
\ No newline at end of file
+EXPORT_HOST = 'backup.hostname'
+
+# email settings, we use local email server localhost:25
+EMAIL_SEND_FROM = 'backup@domain.tld'
+EMAIL_SEND_TO = 'admin@domain.tld'

drivers/_3par.py

@@ -4,6 +4,7 @@ import sys
 import time
 from hpe3parclient import client, exceptions
 import config
+import functions
 
 base_path = os.path.abspath(os.path.dirname(sys.argv[0]))
 cl = client.HPE3ParClient(config._3PAR['api'], False, config._3PAR['secure'], None, True)
@@ -16,6 +17,7 @@ def login():
         cl.login(config._3PAR['username'], config._3PAR['password'])
     except exceptions.HTTPUnauthorized:
         print "Login failed."
+        functions.send_email('Can not login to 3PAR!')
 
 
 def logout():

functions.py

 import subprocess
+import smtplib
 import config
 
 
@@ -132,4 +133,11 @@ def borgbackup_info():
     try:
         return subprocess.check_output('borg info %s' % (config.BACKUP_REPO), shell=True)
     except subprocess.CalledProcessError as ex:
-        raise Exception('Can not issue borg info command on repo %s!' % (config.BACKUP_REPO), ex)
\ No newline at end of file
+        raise Exception('Can not issue borg info command on repo %s!' % (config.BACKUP_REPO), ex)
+
+def send_email(log):
+    msg = 'Subject: %s\n\n%s' % ('Cloud Backup Information', log)
+
+    server = smtplib.SMTP("localhost", 25, )
+    server.sendmail(config.EMAIL_SEND_FROM, config.EMAIL_SEND_TO, msg)
+    server.quit()