high riskservice affecting~30 min

Runbook: Upgrade the Full Stack

1 · Prerequisites

Confirm every item is in place before any state change.

New component versions
Configuration in version control

2 · Pre-checks

Read-only diagnostic commands. If any of these don't match expected output, stop and investigate further.

· Schedule maintenance window
· Backup configuration
· Verify new versions compatible
· Test upgrade in staging environment

3 · Procedure

Execute each step in order. Verify the expected output of a step before moving to the next.

1Upgrade Alertmanager first
2Upgrade Prometheus
3Upgrade exporters
4Upgrade Loki
5Upgrade Tempo
6Upgrade Grafana Alloy / OTel Collector
7Upgrade Grafana
8Validate after each step

4 · Verification

Confirm the procedure actually fixed the problem.

✓Each component is on the new version
✓No breaking changes observed
✓All metrics / logs / traces flowing

5 · Rollback

If verification fails, undo the procedure in reverse order.

↶Roll back to previous version
↶Restore configuration

6 · Escalation

When the runbook isn't enough, contact:

· Coordinate with all service teams

Purpose

Upgrade the Full Stack

When to use this runbook

Use this runbook when the operator needs a guided procedure to handle the situation described above.

Pre-checks

Before starting the procedure, confirm the prerequisites and pre-checks are met. The structured lists are rendered from the frontmatter by the page layout.

Procedure

Follow the steps from the frontmatter procedure steps. The page layout renders the steps as a checklist with copy-to-clipboard affordances.

Verification

After the procedure, the structured verification items from the frontmatter are rendered as a checklist.

Rollback

If the procedure fails or makes things worse, follow the structured rollback steps from the frontmatter.

Escalation

The structured escalation path is rendered from the frontmatter. Use it if the operator cannot complete the procedure safely.