Merge "Telegraf should only output to influxdb when influxdb is enabled"

ansible/roles/telegraf/templates/telegraf.conf.j2

@@ -11,12 +11,14 @@
   quiet = false
   hostname = ""
   omit_hostname = false
+{% if enable_influxdb | bool %}
 [[outputs.influxdb]]
   urls = [{% for host in groups['influxdb'] %}"{{ influxdb_proto }}://{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address']}}:{{ influxdb_http_port }}"{% if not loop.last %},{% endif %}{% endfor %}]
   database = "telegraf" # required
   retention_policy = "autogen"
   write_consistency = "any"
   timeout = "5s"
+{% endif %}
 [[inputs.cpu]]
   percpu = true
   totalcpu = true