PowerStashIndexTemplate.ps1

$JSON = @' 
{
    "template": "powerstash-*",
    "mappings": {
        "eventlogentry": {
            "properties" : {
                "Id": { "type": "string" },
                "TimeCreated" : { "type" : "date" },
                "DateCreated" : { "type" : "date" },
                "EventId" : { "type" : "integer" },
                "ComputerName" : { "type" : "string" },
                "Level" : { "type" : "string" },
                "Provider" : { "type" : "string" },
                "LogName" : { "type" : "string" },
                "Category" : { "type" : "string" },
                "Type" : { "type" : "string" },
                "InsertionStrings" : { "type" : "string" },
                "Message" : { "type" : "string" },
                "User" : { "type" : "string" }
             }
        }
    }
}
'@

$JSON = $JSON.Replace(' ','').Replace("`n",'')

Invoke-WebRequest -Method Put -Uri http://myelastic:9200/_template/powerstash -Body $JSON