Fixing condition for updating wazuh-template.json

Ensure that we recognize content changes of the local and remote file.

manifests/filebeat_oss.pp

@@ -40,13 +40,13 @@
  require => Package['filebeat'],
  }
 
- # work around: remove the wazuh-template.json everytime the package updates so we get also an update of the plugin
- # needed since GitHub can only ETAG and result in changes of the mtime everytime
+ # work around:
+ # Use cmp to compare the content of local and remote file. When they differ than rm the file to get it recreated by the file resource.
+ # Needed since GitHub can only ETAG and result in changes of the mtime everytime.
  # TODO: Include file into the wazuh/wazuh-puppet project or use file { checksum => '..' } for this instead of the exec construct.
  exec { 'cleanup /etc/filebeat/wazuh-template.json':
  command => '/bin/rm /etc/filebeat/wazuh-template.json',
- onlyif => '/bin/test -f /etc/filebeat/wazuh-template.json',
- subscribe => Package['filebeat'],
+ unless => "/bin/cmp -s '/etc/filebeat/wazuh-template.json' <(curl -s https://raw.githubusercontent.com/wazuh/wazuh/${wazuh_extensions_version}/extensions/elasticsearch/7.x/wazuh-template.json)",
  refreshonly => true,
  }
  -> file { '/etc/filebeat/wazuh-template.json':