Fix issue on logstash_bindprivileged

On docker for exemple this is not Supported

Author: lcaflc

defaults/main.yml

@@ -4,6 +4,6 @@
 logstash_plugins: []
 logstash_options: ""
 logstash_longstartupworkaround: false
-logstash_bindprivileged: false
+#logstash_bindprivileged: false
 logstash_configuration: ""
 logstash_configurationtemplates: []

tasks/main.yml

@@ -34,6 +34,7 @@
  path: /usr/lib/jvm/default-java/jre/bin/java
  capability: cap_net_bind_service+epi
  state: "{{ logstash_bindprivileged | ternary('present','absent') }}"
+ when: logstash_bindprivileged is defined
  notify:
  - restart logstash