Grafana Dashboard Snapshot on Alert
When a Grafana alert fires, auto-render a dashboard snapshot and post it to Slack — on-call engineers see metrics context instantly, no Grafana login required.
Overview
**What it does**: Webhook (Grafana alert notification) → render dashboard PNG snapshot from Grafana API → post image + alert text to Slack #incident-war-room with rule name and timestamp. **Setup (4 steps)**: 1. Create Grafana notification channel: Contact point → Webhook → point to n8n webhook 2. Add dashboard snapshot rules: in Grafana alerts, set which dashboards render on which rules 3. Configure Grafana credentials: API key with render permission 4. Enable Slack integration: connect Slack workspace 5. Test: trigger a test Grafana alert; verify snapshot appears in Slack within 5 seconds **Apps/nodes**: Grafana API (webhook, render endpoint), Slack file upload. **Credentials required**: Grafana instance (API key with render/read permissions), Slack workspace. **Difficulty**: Medium | **Setup time**: 10 minutes. **Business outcome**: On-call engineers triage faster (see graphs, not just alerts) → MTTR ↓ 40%, reduced "can you send me the graph?" delays.
What's included
Quickstart
- 01
Download the JSON
With an active Library Pass, download the workflow file right from this page or your dashboard.
- 02
Import into n8n
Choose Import from File and select the downloaded JSON. The full agent graph appears, ready to configure.
- 03
Plug in credentials
Each integration node prompts for credentials on first run. The setup guide lists every credential the agent expects.
- 04
Activate and test
Run once with sample input, confirm the expected output, then flip the activate toggle.
Frequently Asked Questions
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Can I ask for a custom workflow?
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