lnav log definition for Caddy server

readme.sh

# download the caddy.json lnav configuration file and install it in lnav
wget https://gist.githubusercontent.com/vjanssens/3c6fb8393d87346323d939f1728ca293/raw/caddy.json
lnav -i caddy.json

# now you can query the caddy log directories
lnav .

# find logfiles not older than 7 days and pipe them to lnav
find . -mtime -7 -type f -exec lnav {} +

caddy.json

{
    "$schema": "https://lnav.org/schemas/format-v1.schema.json",
    "caddy": {
        "title": "Caddy Server",
        "description": "Caddy Server JSON access logs format",
        "url": [
            "https://caddyserver.com/docs/caddyfile/directives/log"
        ],
        "json": true,
        "timestamp-field": "ts",
        "level-field": "level",
        "hide-extra": true,
        "opid-field": "request/remote_ip",
        "value": {
            "level": {
                "kind": "string",
                "identifier": true,
                "hidden": true
            },
            "ts": {
                "kind": "string",
                "hidden": true
            },
            "logger": {
                "kind": "string",
                "hidden": true
            },
            "msg": {
                "kind": "string",
                "hidden": true
            },
            "bytes_read": {
                "kind": "string",
                "hidden": true
            },
            "duration": {
                "kind": "float",
                "hidden": true
            },
            "size": {
                "kind": "integer",
                "hidden": true
            },
            "status": {
                "kind": "integer"
            },
            "request": {
                "kind": "json",
                "hidden": true
            },
            "resp_headers": {
                "kind": "json",
                "hidden": true
            },
            "request/remote_ip": {
                "kind": "string",
                "identifier": true
            },
            "request/method": {
                "kind": "string",
                "identifier": true
            },
            "request/host": {
                "kind": "string",
                "identifier": true
            },
            "request/uri": {
                "kind": "string"
            },
            "request/headers": {
                "kind": "json",
                "hidden": true
            },
	    "request/headers/Referer#": {
                "kind": "string"
            }
        },
        "line-format": [
            {
                "field": "__timestamp__"
            },
            " ",
            {
                "field": "request/remote_ip"
            },
            " ",
            {
                "field": "request/method"
            },
            " ",
            {
                "field": "request/host"
            },
            {
                "field": "request/uri"
            },
            " ",
            {
                "field": "status"
            },
            " ",
           { 
               "field": "request/headers/Referer#" 
           }
        ]
    }
}