48 lines
1.8 KiB
Bash
Executable File
48 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Confirm the lab infrastructure is intact. Run on the lab host.
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#
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# A 404 from the HTTPS entry point is the success signal: TLS terminated and the
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# request reached Traefik, which simply had no matching ingress rule. A 502 or a
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# refused connection means the chain is broken somewhere.
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set -uo pipefail
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export LIBVIRT_DEFAULT_URI="${LIBVIRT_DEFAULT_URI:-qemu:///system}"
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HOSTS="${HOSTS:-auth.hyeonworks.com app1.hyeonworks.com app2.hyeonworks.com}"
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NODE_IPS="${NODE_IPS:-192.168.122.11 192.168.122.12}"
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fail=0
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check() { # description, expected, actual
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if [ "$2" = "$3" ]; then printf ' ok %-34s %s\n' "$1" "$3"
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else printf ' FAIL %-34s got %s, want %s\n' "$1" "$3" "$2"; fail=1; fi
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}
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echo "== guests =="
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for name in kc-lab-1 kc-lab-2; do
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check "$name" running "$(virsh domstate "$name" 2>/dev/null || echo absent)"
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done
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echo "== k3s =="
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ready="$(kubectl get nodes --no-headers 2>/dev/null | grep -c ' Ready ')"
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check "nodes Ready" 2 "$ready"
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lb="$(kubectl -n kube-system get svc traefik \
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-o jsonpath='{.status.loadBalancer.ingress[*].ip}' 2>/dev/null | wc -w)"
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check "traefik node IPs" 2 "$lb"
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echo "== host nginx =="
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check "service" active "$(systemctl is-active nginx)"
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check "cert renew timer" active "$(systemctl is-active certbot-renew.timer)"
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for ip in $NODE_IPS; do
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check "traefik $ip" 404 "$(curl -s -o /dev/null -w '%{http_code}' --max-time 5 "http://${ip}/")"
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done
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echo "== public entry point =="
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for h in $HOSTS; do
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check "https://$h" 404 "$(curl -s -o /dev/null -w '%{http_code}' --max-time 8 "https://${h}/")"
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check "tls verify $h" 0 "$(curl -s -o /dev/null -w '%{ssl_verify_result}' --max-time 8 "https://${h}/")"
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done
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check "http redirect" 301 "$(curl -s -o /dev/null -w '%{http_code}' --max-time 8 "http://${HOSTS%% *}/")"
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echo
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[ "$fail" -eq 0 ] && echo "lab is healthy" || echo "lab has failures"
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exit "$fail"
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