varnishncsa.json

{
    "network": {
        "servers": [
            "logstash-in_server:10103"
        ],
        "ssl ca": "/path",
        "timeout": 15
    },
    "files": [
        {
            "paths": [
                "/var/log/varnish/varnishncsa.log"
            ],
            "fields": {
                "type": "varnishncsa",
                "tags": "Varnish"
            }
        }
    ]
}