Fix for fluentd not starting in production. (Reason : Fluentd directory inside /tmp were cleared off during reboot)
Now fluentd directory for logs has been moved to /var/log/voltha in the cluster host machines.
Addressed review comments.
https://jira.opencord.org/browse/VOL-354

Change-Id: If536c2c68afda4f1da93010287a698a101e22557
diff --git a/install/ansible/roles/cluster-host/tasks/main.yml b/install/ansible/roles/cluster-host/tasks/main.yml
index 228a54e..099eb25 100644
--- a/install/ansible/roles/cluster-host/tasks/main.yml
+++ b/install/ansible/roles/cluster-host/tasks/main.yml
@@ -85,9 +85,9 @@
 #    - ubuntu-core-launcher
 #    - snapd
 #  tags: [cluster_host]
-- name: A fluentd directory under tmp for voltha logs exists
+- name: A voltha directory under /var/log for voltha logs exists
   file:
-    path: "/tmp/fluentd"
+    path: "/var/log/voltha"
     state: directory
   tags: [cluster_host]