Replace yaml.load() with yaml.safe_load()

Author: astancu

src/ops/cli/config.py

@@ -107,7 +107,7 @@ def get(self):
 
         rendered = self.template.render(self.cluster_config_path, variables)
 
-        return yaml.load(rendered)
+        return yaml.safe_load(rendered)
 
 class ClusterConfigGenerator(object):
     def __init__(self, console_args, cluster_config_path, template):

src/ops/inventory/plugin/skms.py

@@ -41,7 +41,7 @@ def skms(args):
     credentials_file = "%s/.skms/credentials.yaml" % os.path.expanduser('~')
     if os.path.isfile(credentials_file):
         file_stream = open(credentials_file, "r")
-        docs = yaml.load_all(file_stream)
+        docs = yaml.safe_load_all(file_stream)
         for doc in docs:
             args['skms']['username'] = doc['username']
             args['skms']['password'] = doc['password']

src/ops/opsconfig.py

@@ -102,7 +102,7 @@ def __init__(self, console_args, package_dir):
             if os.path.isfile(config_path):
                 logger.info("parsing %s", config_path)
                 with open(config_path) as f:
-                    config = yaml.load(f.read())
+                    config = yaml.safe_load(f.read())
                     if isinstance(config, dict):
                         parsed_files.append(config_path)
                         self.config.update(config)