Grafana Loki Docker#
Grafana Loki is a log aggregation tool, and it is the core of a fully-featured logging stack.
Docker#
wget https://raw.githubusercontent.com/grafana/loki/v2.4.1/cmd/loki/loki-local-config.yaml -O loki-config.yaml
docker run --name loki -v $(pwd):/mnt/config -p 3100:3100 grafana/loki:2.4.1 -config.file=/mnt/config/loki-config.yaml
wget https://raw.githubusercontent.com/grafana/loki/v2.4.1/clients/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
docker run -v $(pwd):/mnt/config -v /var/log:/var/log --link loki grafana/promtail:2.4.1 -config.file=/mnt/config/promtail-config.yaml
Docker Compose#
wget https://raw.githubusercontent.com/grafana/loki/v2.4.1/production/docker-compose.yaml -O docker-compose.yaml
docker-compose -f docker-compose.yaml up
mkdir grafana && chmod 777 grafanagrafana-loki-promtail.yamlloki-config.yamlpromtail-config.yaml
LogQL: Log query language#
Arithmetic Examples
1 + 1
Log range aggregations
count_over_time({job="varlogs"}[5m])
HTTP API#
These endpoints are exposed by all components:
GET /ready
GET /metrics
GET /config
GET /loki/api/v1/status/buildinfo
Grafana Loki’s Architecture#
