1 files changed, 58 insertions, 5 deletions

diff --git a/fuel/deploy/common.py b/fuel/deploy/common.py
index dc12637..3472e89 100644
--- a/fuel/deploy/common.py
+++ b/fuel/deploy/common.py
@@ -1,8 +1,19 @@
+###############################################################################
+# Copyright (c) 2015 Ericsson AB and others.
+# szilard.cserey@ericsson.com
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+###############################################################################
+
 import subprocess
 import sys
 import os
 import logging
 import argparse
+import shutil
+import errno
 
 N = {'id': 0, 'status': 1, 'name': 2, 'cluster': 3, 'ip': 4, 'mac': 5,
      'roles': 6, 'pending_roles': 7, 'online': 8}
@@ -21,6 +32,7 @@ out_handler = logging.FileHandler('autodeploy.log', mode='w')
 out_handler.setFormatter(formatter)
 LOG.addHandler(out_handler)
 
+
 def exec_cmd(cmd, check=True):
     process = subprocess.Popen(cmd,
                                stdout=subprocess.PIPE,
@@ -35,6 +47,7 @@ def exec_cmd(cmd, check=True):
             return response
     return response, return_code
 
+
 def run_proc(cmd):
     process = subprocess.Popen(cmd,
                                stdout=subprocess.PIPE,
@@ -42,14 +55,16 @@ def run_proc(cmd):
                                shell=True)
     return process
 
+
 def parse(printout):
     parsed_list = []
     lines = printout.splitlines()
     for l in lines[2:]:
-         parsed = [e.strip() for e in l.split('|')]
-         parsed_list.append(parsed)
+        parsed = [e.strip() for e in l.split('|')]
+        parsed_list.append(parsed)
     return parsed_list
 
+
 def clean(lines):
     parsed_list = []
     parsed = []
@@ -62,42 +77,80 @@ def clean(lines):
         parsed_list.append(parsed)
     return parsed if len(parsed_list) == 1 else parsed_list
 
+
 def err(message):
     LOG.error('%s\n' % message)
     sys.exit(1)
 
+
+def warn(message):
+    LOG.warning('%s\n' % message)
+
+
 def check_file_exists(file_path):
     if not os.path.isfile(file_path):
         err('ERROR: File %s not found\n' % file_path)
 
+
 def check_dir_exists(dir_path):
     if not os.path.isdir(dir_path):
         err('ERROR: Directory %s not found\n' % dir_path)
 
+
 def create_dir_if_not_exists(dir_path):
     if not os.path.isdir(dir_path):
         log('Creating directory %s' % dir_path)
         os.makedirs(dir_path)
 
+
+def delete(f):
+    if os.path.isfile(f):
+        log('Deleting file %s' % f)
+        os.remove(file)
+    elif os.path.isdir(f):
+        log('Deleting directory %s' % f)
+        shutil.rmtree(f)
+
+
 def commafy(comma_separated_list):
     l = [c.strip() for c in comma_separated_list.split(',')]
     return ','.join(l)
 
-def delete_file(file):
-    if os.path.exists(file):
-        os.remove(file)
 
 def check_if_root():
     r = exec_cmd('whoami')
     if r != 'root':
         err('You need be root to run this application')
 
+
 def log(message):
     LOG.debug('%s\n' % message)
 
+
 class ArgParser(argparse.ArgumentParser):
+
     def error(self, message):
         sys.stderr.write('ERROR: %s\n' % message)
         self.print_help()
         sys.exit(2)
 
+
+class literal_unicode(unicode):
+    pass
+
+
+def literal_unicode_representer(dumper, data):
+    return dumper.represent_scalar(u'tag:yaml.org,2002:str', data, style='|')
+
+
+def backup(path):
+    src = path
+    dst = path + '_orig'
+    delete(dst)
+    try:
+        shutil.copytree(src, dst)
+    except OSError as e:
+        if e.errno == errno.ENOTDIR:
+            shutil.copy(src, dst)
+        else:
+            raise