Revert "Read service gqlgen.yml file to find a list of related graphq…

…l schemas"

This reverts commit fd2d0e4.

Auditors: marksandstrom

linters.py

@@ -2,6 +2,7 @@
 """Linters process files or lists of files for correctness."""
 
 import itertools
+import glob
 import json
 import logging
 import os
@@ -839,10 +840,11 @@ def process(self, f, contents_of_f):
         #    https://github.com/cjoudrey/graphql-schema-linter/issues/210
         #
         # So instead we take a two-pronged approach:
-        # 1) We find the `gqlgen.yml` file that belongs to this service and
-        #   parse it to find out all the other schema files the service depends
-        #   on. This matches what gqlgen does, and will not have the @extends
-        #   problem since it's only for a single backend.
+        # 1) We append all the other schema files in our directory.
+        #    This matches what gqlgen does, and will not have the
+        #    @extends problem since it's only for a single backend.
+        #    TODO(csilvers): read gqlgen.yml to figure out what
+        #    schema files to include, instead of glob.
         # 2) We then try to run the linter and catch all "undefined
         #    type" errors.  We then add fake definitions for those
         #    types, and re-run the linter.
@@ -859,22 +861,12 @@ def process(self, f, contents_of_f):
         directive @provides(fields: _FieldSet!) on FIELD_DEFINITION
         directive @key(fields: _FieldSet!) on OBJECT | INTERFACE
         directive @extends on OBJECT | INTERFACE
-        """
-        # All schema files should live at the top level of a service, so we can
-        # look for the current gqlgen.yml
-        service_root = os.path.dirname(f)
-        gqlgen_path = os.path.join(service_root, "gqlgen.yml")
 
-        try:
-            gqlgen_contents = yaml.safe_load(self._read_file(gqlgen_path))
-            schema_files = [
-                os.path.join(service_root, schema_file)
-                for schema_file in gqlgen_contents["schema"]]
-        except Exception:
-            # If the gqlgen.yml file doesn't exist (for shared schemas) we
-            # assume there are no related files we need.
-            schema_files = []
+        # Khan-specific directives
+        directive @migrate(from: String!, state: String!) on FIELD_DEFINITION
+        """
 
+        schema_files = glob.glob(os.path.join(os.path.dirname(f), '*.graphql'))
         for other_f in schema_files:
             if other_f == f:
                 continue