Uptime Prober

Field	Value
Name	`uptime-prober`
Category	monitoring
Complexity	moderate
Tags	monitoring, health-check, frequent-polling, dynamic-targets
Author	randybias
Min Version	0.1.0

Description

Probe HTTP endpoints on a cron schedule and alert when any are down. Uses dynamic-target networking to reach arbitrary endpoints. Configurable endpoint list via workflow config.

DAG Structure

probe-endpoints → analyze-results → format-report → notify-slack

Node	Purpose
`probe-endpoints`	HTTP GET/HEAD each configured endpoint
`analyze-results`	Classify results (up/down/degraded)
`format-report`	Format into human-readable report
`notify-slack`	Send alert to Slack

Triggers

manual
cron (scheduled-probe): every 5 minutes (*/5 * * * *)

Dependencies

Dependency	Host	Auth
`slack`	`hooks.slack.com:443`	`webhook-url`
`probe-targets`	dynamic-target (`0.0.0.0/0:443,80`)	None

Config

Key	Description
`endpoints`	List of URLs to probe
`cluster_id`	Cluster identifier for reports

Secrets

Secret	Description
`slack.webhook_url`	Slack incoming webhook URL

Usage

tntc scaffold init uptime-prober
tntc scaffold init uptime-prober my-prober
tntc scaffold info uptime-prober

Source

Scaffold source: quickstarts/uptime-prober/