start vrf data model; move models to dedicated module

hyperglass/configuration/models/messages.py

@@ -0,0 +1,35 @@
+"""
+Defines models for Messages config variables.
+
+Imports config variables and overrides default class attributes.
+
+Validates input for overridden parameters.
+"""
+
+# Third Party Imports
+from pydantic import BaseSettings
+
+
+class Messages(BaseSettings):
+    """Class model for params.messages"""
+
+    no_query_type: str = "A query type must be specified."
+    no_location: str = "A location must be selected."
+    no_input: str = "{field} must be specified."
+    blacklist: str = "{target} a member of {blacklisted_net}, which is not allowed."
+    max_prefix: str = (
+        "Prefix length must be shorter than /{max_length}. {target} is too specific."
+    )
+    requires_ipv6_cidr: str = (
+        "{device_name} requires IPv6 BGP lookups to be in CIDR notation."
+    )
+    invalid_input: str = "{target} is not a valid {query_type} target."
+    invalid_field: str = "{input} is an invalid {field}."
+    general: str = "Something went wrong."
+    directed_cidr: str = "{query_type} queries can not be in CIDR format."
+    request_timeout: str = "Request timed out."
+    connection_error: str = "Error connecting to {device_name}: {error}"
+    authentication_error: str = "Authentication error occurred."
+    noresponse_error: str = "No response."
+    vrf_not_associated: str = "{vrf} is not associated with {device_name}."
+    no_matching_vrfs: str = "No VRFs Match"