ansible: Set IP address of influxdb for grafana

Set ip address to influxdb for grafana based on
provided hostname. IP address in numerical format
is required by grafana container. Mapping of
hostname in /etc/hosts is no longer required.

Change-Id: I684de737c6f8e48b5b9f256541901852d7ecc05a
Signed-off-by: Kamil Wiatrowski <kamilx.wiatrowski@intel.com>

diff --git a/docker/ansible/roles/run_grafana/tasks/main.yml b/docker/ansible/roles/run_grafana/tasks/main.yml
index ea4ca8b..0ec307f 100644 (file)
--- a/docker/ansible/roles/run_grafana/tasks/main.yml
+++ b/docker/ansible/roles/run_grafana/tasks/main.yml
@@ -31,9 +31,6 @@
     - rm_grafana_image
   when: rm_images|default(false)|bool == true
 
-- set_fact:
-    influxdb_host_ip_mapping: "{ '{{ influxdb_hostname }}': '{{ influxdb_host_ip }}' }"
-
 - name: Cleanup barometer-grafana cache directory under host
   file:
     path: /var/lib/grafana
@@ -49,9 +46,7 @@
     ports:
        - 3000:3000
     env:
-      influxdb_host: "{{ influxdb_hostname }}"
-    etc_hosts:
-      "{{ influxdb_host_ip_mapping }}"
+      influxdb_host: "{{ influxdb_host_ip }}"
     detach: yes
     restart: yes
     network_mode: host

diff --git a/docker/ansible/roles/run_grafana/vars/main.yml b/docker/ansible/roles/run_grafana/vars/main.yml
index 0975b59..eb2d527 100644 (file)
--- a/docker/ansible/roles/run_grafana/vars/main.yml
+++ b/docker/ansible/roles/run_grafana/vars/main.yml
@@ -13,5 +13,7 @@
 # limitations under the License.
 ---
 
-influxdb_hostname: localhost
-influxdb_host_ip: 127.0.0.1
+#get hostname from invetory
+influxdb_hostname: "{{ (groups['influxdb_hosts']|default({}))[0] | default('localhost') }}"
+#get ip address for given host
+influxdb_host_ip: "{{ hostvars[influxdb_hostname].ansible_default_ipv4.address }}"