Lakerunner CLI

The intuitive CLI to query your S3 logs.

---

Why Lakerunner CLI?

• Query your S3 logs on your terms. Fast, flexible, and free.
• Filter and extract what you need without a web UI getting in the way.
• Pipe output to grep, jq, awk, or whatever else you want.

---

Getting Started

Grab a release from the releases page.

For full documentation, see the CLI reference.

Quick setup

Set your endpoint and API key (Lakerunner setup guide):

export LAKERUNNER_QUERY_URL=http://localhost:7101
export LAKERUNNER_API_KEY=your-api-key

Quick examples

# Get recent logs
lakerunner logs get

# Filter by service and level
lakerunner logs get -a cartservice -l ERROR

# Last 30 minutes, as JSON
lakerunner logs get -s e-30m -o json

# Export to CSV
lakerunner logs get -s e-24h --limit 50000 -o csv > yesterday.csv

See the full CLI reference for all flags, output formats, presets, aliases, and more.