cleaned up variables

tasks/update_cache.yml

diff --git a/tasks/update_cache.yml b/tasks/update_cache.yml
index 2f40399..416aa6e 100644
--- a/tasks/update_cache.yml
+++ b/tasks/update_cache.yml
@@ -97,6 +97,8 @@
   - { key: 'cassandra_jmx_port', value: '{{ cassandra_jmx_port }}' }
   - { key: 'qpid_ext_mgmt_port', value: '{{ qpid_ext_mgmt_port }}' }
   - { key: 'ms_ext_mgmt_port', value: '{{ ms_ext_mgmt_port }}' }
+  - { key: 'influxdb_port', value: '{{ influxdb_port }}' }
+  - { key: 'influxdb_system_port', value: '{{ influxdb_system_port }}' }
 
   - { key: 'apigee_provision_dir', value: '{{ apigee_provision_dir }}' }
   - { key: 'env_name', value: '{{ env_name }}' }