anchor.diff:  
   [source,js]
   --------------------------------------------------
  -POST /logs_writes/_rollover
  +PUT /logs-0001
  +{
  +  "aliases": {
  +    "logs_write": {}
  +  }
  +}
  +
  +POST logs_write/_rollover
   {
     "conditions" : {
       "max_age": "7d",
  
positive.code: 
  [source,js]
  --------------------------------------------------
  POST /logs_writes/_rollover?dry_run
  {
    "conditions" : {
      "max_age": "7d",
  
negative.code: }
  --------------------------------------------------
  // CONSOLE
  <1> Set settings to override matching index template, `mappings` and `aliases`
      can also be provided.
  
   [float]
   === Dry run
  