updated monitoring playbooks

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 4610adb..fe33210 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,11 +1,13 @@
 ---
 # tasks file for apigee-opdk-monitoring-grafana-config
-- name: Update telegraph attributes
+- name: Update grafana attributes
   cache:
     key: "{{ item.key }}"
     value: "{{ item.value }}"
   with_items:
   - { key: 'grafana_response_file', value: "{{ opdk_installer_path }}/apigee-dashboard-response-grafana.conf" }
+  - { key: 'influxdb_ip', value: "{{ hostvars[groups['influxdb'][0]][interface_name].ipv4.address }}" }
+  - { key: 'influxdb_port', value: "{{ influxdb_port }}" }
 
 - name: Create telegraph response file
   template: