Logtunnel

CLI tool that allows you to format, filter and search your log output

Requirements

• NodeJS >= 12
• NPM

Installation

sudo npm i -g logtunnel

Usage

Find logs that contain "alice": curl -s https://cdn.codetunnel.net/lt/text.log | lt alice

Find logs that contain "alice" and "purchase": curl -s https://cdn.codetunnel.net/lt/text.log | lt -f alice -f purchase

Find logs that contain "alice" and ignore the ones that contain "info": curl -s https://cdn.codetunnel.net/lt/text.log | lt -f alice -i info

Parse logs as JSON and output them with that template: curl -s https://cdn.codetunnel.net/lt/json.log | lt -p json -o '[{{lvl}}] {{log}}'

Parse logs as JSON, apply template and find the ones containing "alice": curl -s https://cdn.codetunnel.net/lt/json.log | lt -p json -o '[{{lvl}}] {{log}}' -f alice

Parse logs as JSON, apply template and show the ones with "delay > 200": curl -s https://cdn.codetunnel.net/lt/json.log | lt -p json -o '[{{lvl}} in {{delay}}ms] {{log}}' -F 'delay > 200'

Parse logs as JSON, apply template and show the ones with "log" containing "Alice": curl -s https://cdn.codetunnel.net/lt/json.log | lt -p json -o '[{{lvl}}] {{log}}' -F 'log.toLowerCase().includes("alice")'

Parse logs as logfmt, show the ones with "delay > 200" and show their original line (as if no parsing happened): curl -s https://cdn.codetunnel.net/lt/logfmt.log | lt -p logfmt -o original -F 'delay > 200'

Parse logs with regex, and output in logfmt: curl -s https://cdn.codetunnel.net/lt/text.log | lt -p '\[(?<lvl>\S*) in\s*(?<delay>\d*)ms\] (?<log>.*)' -o logfmt

Parse logs with regex, and show the ones with "delay > 200": curl -s https://cdn.codetunnel.net/lt/text.log | lt -p '(?<delay>\d+)ms' -o original -F 'delay > 200'

Parse table and show rows containing "cilium": curl -s https://cdn.codetunnel.net/lt/table.log | lt -p table -o original -f cilium

Parse table, show rows containing "cilium" and the first headers row: curl -s https://cdn.codetunnel.net/lt/table.log | lt -p table -o original -f cilium -H

Parse table, show rows with RESTARTS > 0: curl -s https://cdn.codetunnel.net/lt/table.log | lt -p table -o original -F 'RESTARTS > 0' -H

Show rows that are not ready: curl -s https://cdn.codetunnel.net/lt/table.log | lt -p '(?<up>\d)/(?<total>\d)' -o original -F 'up < total' -H

For more information lt --help