try overwriting defaults in parse_params with get_option vals, instead of removing that function completely.

changelogs/fragments/2126-consul_kv-pass-token.yml

@@ -1,5 +1,5 @@
 ---
 bugfixes:
   - consul_kv lookup - use ``self.get_option`` and
-    remove the function parse_params get key form self.terms
+    remove the function ``parse_params()`` get key form ``self.terms``
     (https://github.com/ansible-collections/community.general/issues/2124).

plugins/lookup/consul_kv.py

@@ -2,6 +2,11 @@
 # (c) 2017 Ansible Project
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 from __future__ import (absolute_import, division, print_function)
+from ansible.module_utils._text import to_text
+from ansible.plugins.lookup import LookupBase
+from ansible.errors import AnsibleError, AnsibleAssertionError
+from ansible.module_utils.six.moves.urllib.parse import urlparse
+import os
 
 __metaclass__ = type
 
@@ -102,11 +107,6 @@ RETURN = """
     type: dict
 """
 
-import os
-from ansible.module_utils.six.moves.urllib.parse import urlparse
-from ansible.errors import AnsibleError, AnsibleAssertionError
-from ansible.plugins.lookup import LookupBase
-from ansible.module_utils._text import to_text
 
 try:
     import consul
@@ -126,6 +126,7 @@ class LookupModule(LookupBase):
 
         # get options
         self.set_options(direct=kwargs)
+
         scheme = self.get_option('scheme')
         host = self.get_option('host')
         port = self.get_option('port')
@@ -137,10 +138,6 @@ class LookupModule(LookupBase):
             host = u.hostname
             if u.port is not None:
                 port = u.port
-        token = self.get_option('token')
-        datacenter = self.get_option('datacenter')
-        recurse = self.get_option('recurse')
-        index = self.get_option('index')
 
         validate_certs = self.get_option('validate_certs')
         client_cert = self.get_option('client_cert')
@@ -148,14 +145,15 @@ class LookupModule(LookupBase):
         values = []
         try:
             for term in terms:
-                key = term.split(' ')[0]
-                consul_api = consul.Consul(host=host, port=port, scheme=scheme, token=token,
-                                           dc=datacenter, verify=validate_certs, cert=client_cert)
+                params = self.parse_params(term)
+                consul_api = consul.Consul(
+                    host=host, port=port, scheme=scheme, verify=validate_certs, cert=client_cert)
 
-                results = consul_api.kv.get(key,
-                                            index=index,
-                                            recurse=recurse,
-                                            )
+                results = consul_api.kv.get(params['key'],
+                                            token=params['token'],
+                                            index=params['index'],
+                                            recurse=params['recurse'],
+                                            dc=params['datacenter'])
                 if results[1]:
                     # responds with a single or list of result maps
                     if isinstance(results[1], list):
@@ -165,6 +163,31 @@ class LookupModule(LookupBase):
                         values.append(to_text(results[1]['Value']))
         except Exception as e:
             raise AnsibleError(
-                "Error locating '%s' in kv store. Error was %s" % (key, e))
+                "Error locating '%s' in kv store. Error was %s" % (term, e))
 
         return values
+
+    def parse_params(self, term):
+        params = term.split(' ')
+
+        paramvals = {
+            'key': params[0],
+            'token': self.get_option('token'),
+            'recurse': self.get_option('recurse'),
+            'index': self.get_option('index'),
+            'datacenter': self.get_option('datacenter')
+        }
+
+        # parameters specified?
+        try:
+            for param in params[1:]:
+                if param and len(param) > 0:
+                    name, value = param.split('=')
+                    if name not in paramvals:
+                        raise AnsibleAssertionError(
+                            "%s not a valid consul lookup parameter" % name)
+                    paramvals[name] = value
+        except (ValueError, AssertionError) as e:
+            raise AnsibleError(e)
+
+        return paramvals