Add config changes for mutliple LDAP support (EE only)

config/gitlab.yml.example

@@ -134,6 +134,29 @@ production: &base
   #   bundle exec rake gitlab:ldap:check RAILS_ENV=production
   ldap:
     enabled: false
+    servers:
+      -
+        ## provider_id
+        #
+        # This identifier is used by GitLab to keep track of which LDAP server each
+        # GitLab user belongs to. Each LDAP server known to GitLab should have a unique
+        # provider_id. This identifier cannot be changed once users from the LDAP server
+        # have started logging in to GitLab.
+        #
+        # Format: one word, using a-z (lower case) and 0-9
+        # Example: 'paris' or 'uswest2'
+
+        provider_id: main
+
+        ## label
+        #
+        # A human-friendly name for your LDAP server. It is OK to change the label later,
+        # for instance if you find out it is too large to fit on the web page.
+        #
+        # Example: 'Paris' or 'Acme, Ltd.'
+
+        label: 'LDAP'
+
         host: '_your_ldap_server'
         port: 636
         uid: 'sAMAccountName'
@@ -172,7 +195,6 @@ production: &base
         #
         user_filter: ''
 
-
   ## OmniAuth settings
   omniauth:
     # Allow login via Twitter, Google, etc. using OmniAuth providers
@@ -299,6 +321,21 @@ test:
       project_url: "http://redmine/projects/:issues_tracker_id"
       issues_url: "http://redmine/:project_id/:issues_tracker_id/:id"
       new_issue_url: "http://redmine/projects/:issues_tracker_id/issues/new"
+  ldap:
+    enabled: false
+    servers:
+      -
+        provider_id: main
+        label: ldap
+        host: 127.0.0.1
+        port: 3890
+        uid: 'uid'
+        method: 'plain' # "tls" or "ssl" or "plain"
+        base: 'dc=example,dc=com'
+        user_filter: ''
+        group_base: 'ou=groups,dc=example,dc=com'
+        admin_group: ''
+        sync_ssh_keys: false
 
 staging:
   <<: *base