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docs: consolidate all post-mortems under docs/post-mortems/

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Move HTML post-mortems from repo root post-mortems/ to docs/post-mortems/.
Update index.html with all 3 incidents (newest first).

[ci skip]

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Viktor Barzin 2026-04-14 08:24:36 +00:00
parent bdba15a387
commit 4e059b138c
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Post-Mortems — viktorbarzin.me</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@300;400;500&display=swap" rel="stylesheet">
<style>
:root {
--bg: #f5f3f0;
--surface: #ffffff;
--text: #1a1215;
--text-secondary: #6b5e64;
--border: #ddd5d0;
--accent: #b91c1c;
}
@media (prefers-color-scheme: dark) {
:root {
--bg: #0f0b0d;
--surface: #1e1719;
--text: #ede8ea;
--text-secondary: #a89da2;
--border: #332b2e;
--accent: #ef4444;
}
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: 'IBM Plex Sans', sans-serif;
background: var(--bg);
color: var(--text);
padding: 60px 24px;
max-width: 800px;
margin: 0 auto;
}
h1 {
font-family: 'Space Grotesk', sans-serif;
font-size: 2rem;
font-weight: 700;
margin-bottom: 8px;
letter-spacing: -0.02em;
}
.subtitle {
color: var(--text-secondary);
margin-bottom: 40px;
font-size: 0.95rem;
}
.incident-list { list-style: none; }
.incident-item {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 10px;
padding: 20px 24px;
margin-bottom: 12px;
transition: border-color 0.2s;
}
.incident-item:hover { border-color: var(--accent); }
.incident-item a {
text-decoration: none;
color: var(--text);
display: block;
}
.incident-date {
font-family: 'Space Grotesk', sans-serif;
font-size: 0.8rem;
color: var(--text-secondary);
font-weight: 500;
letter-spacing: 0.04em;
}
.incident-title {
font-family: 'Space Grotesk', sans-serif;
font-size: 1.15rem;
font-weight: 600;
margin: 4px 0;
}
.incident-desc {
font-size: 0.85rem;
color: var(--text-secondary);
}
.sev-tag {
display: inline-block;
font-family: 'Space Grotesk', sans-serif;
font-size: 0.7rem;
font-weight: 600;
padding: 2px 8px;
border-radius: 4px;
background: rgba(185, 28, 28, 0.1);
color: var(--accent);
border: 1px solid var(--accent);
text-transform: uppercase;
letter-spacing: 0.04em;
margin-left: 8px;
vertical-align: middle;
}
footer {
margin-top: 40px;
padding-top: 20px;
border-top: 1px solid var(--border);
font-size: 0.7rem;
color: var(--text-secondary);
text-align: center;
}
</style>
</head>
<body>
<h1>Post-Mortems</h1>
<p class="subtitle">Incident reviews for the viktorbarzin.me Kubernetes cluster</p>
<ul class="incident-list">
<li class="incident-item">
<a href="2026-04-14-nfs-fsid0-dns-vault-outage.md">
<span class="incident-date">2026-04-14</span>
<span class="sev-tag">SEV 1</span>
<div class="incident-title">NFS fsid=0 Cascade &mdash; DNS + Vault + Multi-Service Outage</div>
<div class="incident-desc">5h outage: fsid=0 in PVE /etc/exports broke NFSv4 subdirectory mounts &rarr; Technitium primary I/O errors &rarr; Vault lost quorum &rarr; Alertmanager blind &rarr; 25+ pods affected across 15+ namespaces.</div>
</a>
</li>
<li class="incident-item">
<a href="2026-03-16-nfs-csi-cascade-failure.md">
<span class="incident-date">2026-03-16</span>
<span class="sev-tag">SEV 1</span>
<div class="incident-title">NFS CSI Cascade Failure</div>
<div class="incident-desc">47h outage: NFS CSI driver liveness-probe port conflict &rarr; all NFS mounts fail &rarr; 40+ pods stuck across 20+ namespaces.</div>
</a>
</li>
<li class="incident-item">
<a href="2026-03-16-kured-containerd-cascade-outage.html">
<span class="incident-date">2026-03-16</span>
<span class="sev-tag">SEV 1</span>
<div class="incident-title">Kured + Containerd Cascade Outage</div>
<div class="incident-desc">26h cluster outage: unattended-upgrades kernel update &rarr; kured reboot &rarr; containerd overlayfs snapshotter corruption &rarr; calico down &rarr; cascading failure across all 5 nodes.</div>
</a>
</li>
</ul>
<footer>viktorbarzin.me infrastructure</footer>
</body>
</html>