Fix typos in documents and comments

Fix typos detected by toolkit misspellings.

* pip install misspellings
* git ls-files | grep -v locale | misspellings -f -

Change-Id: If986f8cfefae08089caa567618dbb13bff0d62d2

doc/ext/apidoc.py

@@ -24,7 +24,7 @@ from sphinx import apidoc
 
 # NOTE(dstanek): pbr will run Sphinx multiple times when it generates
 # documentation. Once for each builder. To run this extension we use the
-# 'builder-inited' hook that fires at the begining of a Sphinx build.
+# 'builder-inited' hook that fires at the beginning of a Sphinx build.
 # We use ``run_already`` to make sure apidocs are only generated once
 # even if Sphinx is run multiple times.
 run_already = False

doc/source/EXTENSIONS_HOWTO.rst

@@ -78,7 +78,7 @@ Example::
 
 In case the Extension is overriding or re-implementing an existing portion of
 Keystone the required change should be commented in the `configuration.rst` but
-not placed in the `keystone.conf.sample` file to avoid unecessary confusion.
+not placed in the `keystone.conf.sample` file to avoid unnecessary confusion.
 
 
 `keystone-paste.ini` File

doc/source/configuration.rst

@@ -1349,7 +1349,7 @@ Read Only LDAP
 --------------
 
 Many environments typically have user and group information in directories that
-are accessable by LDAP. This information is for read-only use in a wide array
+are accessible by LDAP. This information is for read-only use in a wide array
 of applications. Prior to the Havana release, we could not deploy Keystone with
 read-only directories as backends because Keystone also needed to store
 information such as projects, roles, domains and role assignments into the

keystone/auth/plugins/token.py

@@ -38,14 +38,14 @@ class Token(auth.AuthMethodHandler):
                                                 target=METHOD_NAME)
             token_id = auth_payload['id']
             response = self.provider.validate_token(token_id)
-            #for V3 tokens, the esential data is under  the 'token' value.
+            #for V3 tokens, the essential data is under  the 'token' value.
             #For V2, the comparable data was nested under 'access'
             token_ref = response.get('token', response.get('access'))
 
             #Do not allow tokens used for delegation to
             #create another token, or perform any changes of
             #state in Keystone. TO do so is to invite elevation of
-            #priviledge attacks
+            #privilege attacks
             if 'OS-TRUST:trust' in token_ref:
                 raise exception.Forbidden()
             if 'trust' in token_ref:

keystone/common/kvs/backends/memcached.py

@@ -68,7 +68,7 @@ class MemcachedLock(object):
                 i += 1
             else:
                 raise exception.UnexpectedError(
-                    _('Maximum lock attempts on %s occured.') % self.key)
+                    _('Maximum lock attempts on %s occurred.') % self.key)
 
     def release(self):
         client = self.client_fn()

keystone/common/pemutils.py

@@ -16,7 +16,7 @@
 
 
 """
-PEM formatted data is used frequenlty in conjunction with X509 PKI as
+PEM formatted data is used frequently in conjunction with X509 PKI as
 a data exchange mechanism for binary data. The acronym PEM stands for
 Privacy Enhanced Mail as defined in RFC-1421. Contrary to expectation
 the PEM format in common use has little to do with RFC-1421. Instead
@@ -24,7 +24,7 @@ what we know as PEM format grew out of the need for a data exchange
 mechanism largely by the influence of OpenSSL. Other X509
 implementations have adopted it.
 
-Unfortunately PEM format has never been officialy standarized. It's
+Unfortunately PEM format has never been officially standarized. It's
 basic format is as follows:
 
 1) A header consisting of 5 hyphens followed by the word BEGIN and a
@@ -38,7 +38,7 @@ text may be less than 64 characters. The content and format of the
 binary data is entirely dependent upon the type of data announced in
 the header and footer.
 
-3) A footer in the exact same as the header execpt the word BEGIN is
+3) A footer in the exact same as the header except the word BEGIN is
 replaced by END. The content name in both the header and footer should
 exactly match.
 

keystone/tests/test_v3.py

@@ -994,7 +994,7 @@ class RestfulTestCase(rest.RestfulTestCase):
 
         if summary:
             # Trust list contains no roles, but getting a specific
-            # trust by ID provides the detailed reponse containing roles
+            # trust by ID provides the detailed response containing roles
             self.assertNotIn('roles', entity)
             self.assertIn('project_id', entity)
         else: