Implement ec2 dhcp_options

moto/ec2/exceptions.py

@@ -1,4 +1,60 @@
+from werkzeug.exceptions import BadRequest
+from jinja2 import Template
+
 class InvalidIdError(RuntimeError):
     def __init__(self, id_value):
         super(InvalidIdError, self).__init__()
         self.id = id_value
+
+
+class EC2ClientError(BadRequest):
+    def __init__(self, code, message):
+        super(EC2ClientError, self).__init__()
+        self.description = ERROR_RESPONSE_TEMPLATE.render(
+            code=code, message=message)
+
+
+class DependencyViolationError(EC2ClientError):
+    def __init__(self, message):
+        super(DependencyViolationError, self).__init__(
+            "DependencyViolation", message)
+
+
+class InvalidDHCPOptionsIdError(EC2ClientError):
+    def __init__(self, dhcp_options_id):
+        super(InvalidDHCPOptionsIdError, self).__init__(
+            "InvalidDhcpOptionID.NotFound",
+            "DhcpOptionID {0} does not exist."
+            .format(dhcp_options_id))
+
+
+class InvalidVPCIdError(EC2ClientError):
+    def __init__(self, vpc_id):
+        super(InvalidVPCIdError, self).__init__(
+            "InvalidVpcID.NotFound",
+            "VpcID {0} does not exist."
+            .format(vpc_id))
+
+
+class InvalidParameterValueError(EC2ClientError):
+    def __init__(self, parameter_value):
+            super(InvalidParameterValueError, self).__init__(
+                "InvalidParameterValue",
+                "Value ({0}) for parameter value is invalid. Invalid DHCP option value.".format(
+                    parameter_value))
+
+
+
+
+ERROR_RESPONSE = u"""<?xml version="1.0" encoding="UTF-8"?>
+  <Response>
+    <Errors>
+      <Error>
+        <Code>{{code}}</Code>
+        <Message>{{message}}</Message>
+      </Error>
+    </Errors>
+  <RequestID>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</RequestID>
+</Response>
+"""
+ERROR_RESPONSE_TEMPLATE = Template(ERROR_RESPONSE)