Files
argocd-apps/apps/base/puppet/kustomization.yaml
T
unkinben 5d1cc10588 Pin puppet master to a single Recreate replica (#341)
## Why

The puppet MASTER is the singleton CA/master. A second master, even transiently during a rolling update, races on CA/cert signing and shared state (the CA lives on a shared PVC mounted by every master pod). The master was previously driven by an HPA with `minReplicas: 2`, `maxReplicas: 5` and a `RollingUpdate` strategy, so 2-5 masters could coexist normally and a rollout would briefly run old+new masters against the same CA data — a latent CA-corruption/split-brain bug. Recreate guarantees the old pod terminates before the new one starts, so two masters never coexist.

## Changes

- Set `puppetserver-master` `spec.replicas: 1` and `spec.strategy.type: Recreate` (drops RollingUpdate).
- Remove the `puppetserver-masters-autoscaler` HPA and its kustomization entry, which forced 2-5 master replicas and would otherwise override `replicas: 1`.
- Refresh the `puppetserver-master-vpa` note to reflect the pinned-singleton, no-HPA state (VPA stays `updateMode: Off`, recommendation-only).

The compiler (`puppetserver-compiler`) remains the horizontally-scalable tier with its own HPA — untouched. puppetdb/puppetboard untouched.

https://claude.ai/code/session_01JUoARVdmhxKQHyyyp1pxeT
---------

Co-authored-by: Ben Vincent <neotheo@gmail.com>
Reviewed-on: #341
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>
2026-08-08 20:02:38 +10:00

62 lines
1.8 KiB
YAML

---
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
- namespace.yaml
- cnpg_cluster.yaml
- cnpg_backup.yaml
- cnpg_pooler.yaml
- cronjob_g10k-code.yaml
- cronjob_generate-types.yaml
- persistentvolumeclaims.yaml
- vaultauth.yaml
- vaultstaticsecret.yaml
- configmap_puppetboard-config.yaml
- configmap_puppetdb-config.yaml
- configmap_puppetdb-read-database.yaml
- configmap_puppetserver-compiler-config.yaml
- configmap_puppetserver-init-config.yaml
- configmap_puppetserver-init-masters-config.yaml
- configmap_puppetserver-master-config.yaml
- deployment_puppetboard.yaml
- deployment_puppetdb.yaml
- deployment_puppetserver-master.yaml
- horizontalpodautoscaler_puppetserver-compilers-autoscaler.yaml
- horizontalpodautoscaler_puppetserver-puppetboard-autoscaler.yaml
- horizontalpodautoscaler_puppetserver-puppetdb-autoscaler.yaml
- gateway_puppetboard.yaml
- httproute_puppetboard.yaml
- gateway_puppetdb.yaml
- httproute_puppetdb.yaml
- service_puppetserver-agents-to-puppet.yaml
- service_puppet-headless.yaml
- service_puppet.yaml
- service_puppetca.yaml
- service_puppetboard.yaml
- service_puppetdb.yaml
- deployment_puppetserver-compiler.yaml
- vpa.yaml
configMapGenerator:
- name: compiler-autosign.conf
files:
- resources/compiler/autosign.conf
options:
disableNameSuffixHash: true
- name: compiler-puppet.conf
files:
- resources/compiler/puppet.conf
options:
disableNameSuffixHash: true
- name: compiler-puppetdb.conf
files:
- resources/compiler/puppetdb.conf
options:
disableNameSuffixHash: true
- name: additional-ruby-gems
files:
- resources/additional-ruby-gems.sh
options:
disableNameSuffixHash: true