selfheal-lab-gitops/vm/harness

vm/harness

Harness VM (10.20.0.11) of the self-healing lab: experiment design 5 (runner, measure DB, blackbox, k6) plus Alloy.

file	purpose
apply.sh	boot / make vm-sync entry: secrets from Secret Manager to /opt/selfheal/harness/secrets, env file, compose up
compose.yaml	runner (8080), measure-db, blackbox (9115), alloy (12345), k6 (profile campaign)
image.tag	runner image tag (selfheal-public/harness:<sha> built from selfheal-lab-apps/harness)
scenarios/*.yaml	the 12 scenarios of design 7, loaded by the runner at start
config.alloy	blackbox + runner scrape -> Mimir remote_write
blackbox.yaml	http_2xx (ALB /api/orders, label target=alb) and tcp_connect (target=db-primary)
k6/load.js	background load 20 rps (design 5.5)

Runner API (design 5.2):

endpoint	use
GET /selfcheck	measure DB, k8s (chaos-mesh pods), AWS OIDC caller identity, GCP instances, Mimir probe, ALB
POST /runs {"campaign","scenario_ids":[...],"baseline_s","cooldown_s","observe_timeout_s","min_observe_s","drift_before"}	start a run (one at a time)
GET /runs, GET /runs/{id}, POST /runs/{id}/abort, POST /runs/{id}/finish {"drift_after"}	inspect / stop / close
POST /hooks/alert	Grafana contact point
POST /proposals	AI VM registers a layer-2 proposal; returns the approval token
POST /actions/execute {"action_id","target","token"}	catalogue action with a human token or an approved proposal token
GET /actions/catalog, GET /scenarios, GET /metrics	reference

Campaign load: docker compose --env-file /opt/selfheal/harness.env --profile campaign up -d k6 (stop: ... stop k6; exit code and /logs/summary.json in the k6-logs volume).