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@effectstream/grafana-loki

v0.103.2

Published

Grafana Loki binary wrapper for EffectStream

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Links

Git

Maintainers

edwarddcedwarddceduardosotoeduardosoto

Keywords

Readme

@effectstream/grafana-loki

NPM wrapper around Grafana Loki - the log-aggregation backend EffectStream nodes ship structured logs to in local development. Installs a pinned binary into node_modules/.bin/grafana-loki.

  • Pinned Grafana Loki binary (3.5.8), the local log backend for @effectstream/log output.
  • One-command start via bunx grafana-loki -config.file=loki.yaml.
  • Pairs with @effectstream/grafana-alloy so traces and logs land in one place.
  • Component-tagged logs queryable from a local Grafana out of the box.

Install

bun add @effectstream/grafana-loki
# or
npm install @effectstream/grafana-loki

Standalone usage

# Start Loki with a config file
bunx grafana-loki -config.file=loki.yaml

# Or invoke through this package
bun run --bun @effectstream/grafana-loki/start

The package downloads the pinned tarball for your OS/arch on install.

Inside EffectStream

The orchestrator's observability step pairs this with @effectstream/grafana-alloy so logs emitted via @effectstream/log land in Loki, queryable from a local Grafana. Out of the box you get component-tagged (ComponentNames) logs without writing any collector config.

Integrity

bin-wrapper has no checksum support and discards the archive after extracting, so this package hashes the extracted loki and refuses to run anything that is not one of the pinned v3.5.8 builds. Set GRAFANA_LOKI_SKIP_CHECKSUM=1 to bypass when deliberately running a local build.

Digests live in checksums.js and the check is @effectstream/binary-checksum, shared with the other verified wrappers. Every entry is upstream-verified: the archive each digest came from was matched against the checksum the vendor publishes before the binary inside it was hashed, so the digest traces back to something the vendor stands behind rather than to whatever a download happened to return.

Regenerate after a version bump:

bun scripts/generate-binary-checksums.ts grafana-loki

Links

  • Docs: https://effectstream.github.io/docs/packages/binaries/grafana-loki
  • Source: https://github.com/effectstream/effectstream/tree/main/packages/binaries/grafana-loki
  • Upstream Grafana Loki: https://grafana.com/oss/loki/