jakman85andClaude Opus 4.8
7a59ef07bb
Cluster upgraded 1.31.5 -> 1.36.4 over 5 sequential minor hops (binary-swap per node, leader-last, Longhorn rebuild-freeze). Components: Cilium 1.16.5->1.20.1, Longhorn 1.7.3->1.12.1, GW-API CRDs ->v1.6.1, etcd 3.5->3.6. All validated; data intact. Co-Authored-By: Claude Opus 4.8 <[email protected]>
33 lines
1.7 KiB
YAML
33 lines
1.7 KiB
YAML
---
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# k3s_server role defaults (ADR-0001).
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# Best-effort version pin (kept near the ci/versions kubectl 1.31.x line). Bump
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# deliberately — a version change is a code change. Empty string => latest stable.
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k3s_version: "v1.36.4+k3s1"
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k3s_install_url: "https://get.k3s.io"
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k3s_install_script: "/usr/local/bin/k3s-install.sh"
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# Components disabled at install so Cilium + Gateway API own networking (ADR-0001/0002).
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# flannel + kube-proxy + network-policy are disabled via dedicated flags below;
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# traefik + servicelb via --disable.
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# local-storage: k3s ships local-path as a DEFAULT StorageClass, which collides with Longhorn's
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# default (two default SCs = ambiguous PVC binding). Longhorn (ADR-0003) is the cluster's storage,
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# so disable k3s local-path entirely → `longhorn` is the sole default. (Effective on fresh installs;
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# the k3s install task is idempotent, so this does not restart an existing cluster — see DECISIONS-LOG.)
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k3s_disable: "traefik,servicelb,local-storage"
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# Set per-play: 'primary' (runs --cluster-init) or 'secondary' (joins the primary).
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k3s_server_mode: "secondary"
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# Subject Alternative Names baked into the kube-apiserver serving cert. Must include
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# the kube-vip control-plane VIP (kube_vip_address) so TLS via the VIP validates,
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# every server's real node IP (so the cert is valid whichever node answers behind
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# the VIP), and 127.0.0.1 (local kubeconfig / health probes). k3s regenerates the
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# serving cert on restart when this set changes. Deduplicated (the primary IP is
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# also k3s_api_host).
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k3s_tls_sans: >-
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{{ ([k3s_api_host, kube_vip_address, '127.0.0.1']
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+ (groups['k3s_servers'] | map('extract', hostvars, 'k3s_node_ip') | list))
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| unique }}
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