input {
    http {
    }
}
filter {
    csv {
        autogenerate_column_names => true
        columns => ["a", "b"]
        quote_char => ";"
        separator => ":"
        source => "message_source"
    }
    grok {
        match => {"log" => "%{COMBINEDAPACHELOG}"}
    }
    date {
        match => ["timestamp", "yyyy-MM-dd HH:mm:ss", "yyyy MMM dd HH:mm"]
        target => "@timestamp"
        locale => "en_US"
        timezone => "UTC"
    }
}
output {
    opensearch {
        hosts => ["fakedomain.us-east-1.es.amazonaws.com"]
        user => myuser
        password => mypassword
        index => "my-index"
        ssl_certificate_verification => true
    }
}