Implement validate cmd to validate yaml files

armada/cli/validate.py

@@ -0,0 +1,43 @@
+# Copyright 2017 The Armada Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from cliff import command as cmd
+import yaml
+
+from armada.utils.lint import valid_manifest
+
+from oslo_config import cfg
+from oslo_log import log as logging
+
+LOG = logging.getLogger(__name__)
+
+CONF = cfg.CONF
+DOMAIN = "armada"
+
+logging.setup(CONF, DOMAIN)
+
+def validateYaml(args):
+    config = yaml.load(open(args.file).read())
+    if valid_manifest(config):
+        LOG.info('File successfully validated')
+
+class ValidateYamlCommand(cmd.Command):
+    def get_parser(self, prog_name):
+        parser = super(ValidateYamlCommand, self).get_parser(prog_name)
+        parser.add_argument('file', type=str, metavar='FILE',
+                            help='Armada yaml file to validate')
+        return parser
+
+    def take_action(self, parsed_args):
+        validateYaml(parsed_args)

setup.cfg

@@ -39,6 +39,7 @@ console_scripts =
 armada =
     apply = armada.cli.apply:ApplyChartsCommand
     tiller = armada.cli.tiller:TillerServerCommand
+    validate = armada.cli.validate:ValidateYamlCommand
 oslo.config.opts =
     armada.conf = armada.conf.opts:list_opts