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Canonical Observability Stack Lite

Canonical Observability Publisher | bundle

Platform:

Ubuntu
Channel Revision Published
latest/stable 26 20 Jun 2025
latest/candidate 25 20 Jun 2025
latest/beta 24 20 Jun 2025
latest/edge 23 20 Jun 2025 
juju deploy cos-lite --channel edge

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Solution matrix

K8s charm Machine charm Legacy charms - LMA deps Non-juju workload
Logs LokiPushApiConsumer (for workloads that can communicate directly with Loki, LogProxyConsumer (installs promtail in the workload; not suitable for air-gapped), LogForwarder (pebble-native, Juju>=3.4.1) cos_agent (subordinate, pulls logs from /var/log or from other snaps with a matching slot) cos-proxy grafana-agent snap (manually configured)
Metrics prometheus_scrape (in-model), prometheus_remote_write (CMR) - with grafana-agent cos_agent cos-proxy scrape-target, grafana-agent snap
Traces tracing (instrumented workloads), charm_tracing (for the charm itself) tracing (CMR), cos_agent N/A grafana-agent charm
Dashboards grafana_dashboard, cos-configuration cos_agent, cos-configuration cos-proxy, cos-configuration cos-configuration
Alert rules via metrics and logs relations, cos-configuration cos_agent, cos-configuration cos-proxy, cos-configuration cos-configuration
  • The COS Lite bundle does not include tracing by default; however, there’s a bundle overlay for that.

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Help improve this document in the forum (guidelines). Last updated 1 year, 10 months ago.