[CLIENT] Cluster name is variable in cloud id

elasticsearch-transport/lib/elasticsearch/transport/client.rb

@@ -169,7 +169,8 @@ def perform_request(method, path, params={}, body=nil, headers=nil)
 
       def extract_cloud_creds(arguments)
         return unless arguments[:cloud_id]
-        cloud_url, elasticsearch_instance = Base64.decode64(arguments[:cloud_id].gsub('name:', '')).split('$')
+        name = arguments[:cloud_id].split(':')[0]
+        cloud_url, elasticsearch_instance = Base64.decode64(arguments[:cloud_id].gsub("#{name}:", '')).split('$')
         [ { scheme: 'https',
             user: arguments[:user],
             password: arguments[:password],

elasticsearch-transport/spec/elasticsearch/transport/client_spec.rb

@@ -310,6 +310,30 @@
         expect(client.transport.__full_url(client.transport.hosts[0])).to eq('https://elastic:changeme@abcd.localhost:9200')
       end
     end
+
+    context 'when the cluster has alternate names' do
+
+      let(:client) do
+        described_class.new(cloud_id: 'myCluster:bG9jYWxob3N0JGFiY2QkZWZnaA==', user: 'elasticfantastic', password: 'tobechanged')
+      end
+
+      let(:hosts) do
+        client.transport.hosts
+      end
+
+      it 'extracts the cloud credentials' do
+        expect(hosts[0][:host]).to eq('abcd.localhost')
+        expect(hosts[0][:protocol]).to eq('https')
+        expect(hosts[0][:user]).to eq('elasticfantastic')
+        expect(hosts[0][:password]).to eq('tobechanged')
+        expect(hosts[0][:port]).to eq(9243)
+      end
+
+      it 'creates the correct full url' do
+        expect(client.transport.__full_url(client.transport.hosts[0])).to eq('https://elasticfantastic:tobechanged@abcd.localhost:9243')
+      end
+
+    end
   end
 
   shared_examples_for 'a client that extracts hosts' do