From 3f355bbfd33a7d4fb638d110fd7bca0c11140e77 Mon Sep 17 00:00:00 2001
From: Ben Vincent <ben@unkin.net>
Date: Sat, 21 Mar 2026 16:01:46 +1100
Subject: [PATCH] feat: add custom entrypoint script for additional Ruby gems
 (#63)

Add support for installing additional Ruby gems via custom entrypoint script.
The script is mounted as a ConfigMap into /container-custom-entrypoint.d/
and will be executed during Puppetserver container startup.

Reviewed-on: https://git.unkin.net/unkin/argocd-apps/pulls/63
---
 apps/base/puppet/deployment_puppetserver-compiler.yaml | 7 +++++++
 apps/base/puppet/kustomization.yaml                    | 5 +++++
 apps/base/puppet/resources/additional-ruby-gems.sh     | 6 ++++++
 3 files changed, 18 insertions(+)
 create mode 100755 apps/base/puppet/resources/additional-ruby-gems.sh

diff --git a/apps/base/puppet/deployment_puppetserver-compiler.yaml b/apps/base/puppet/deployment_puppetserver-compiler.yaml
index 1e18d22..7c3f23e 100644
--- a/apps/base/puppet/deployment_puppetserver-compiler.yaml
+++ b/apps/base/puppet/deployment_puppetserver-compiler.yaml
@@ -99,6 +99,9 @@ spec:
         - mountPath: /opt/vault-ca-cert.crt
           name: vault-ca-cert
           subPath: ca.crt
+        - mountPath: /container-custom-entrypoint.d/additional-ruby-gems.sh
+          name: additional-ruby-gems
+          subPath: additional-ruby-gems.sh
       initContainers:
       - name: copy-configmaps
         image: busybox:1.35
@@ -235,5 +238,9 @@ spec:
       - name: vault-ca-cert
         secret:
           secretName: vault-ca-cert
+      - name: additional-ruby-gems
+        configMap:
+          name: additional-ruby-gems
+          defaultMode: 0755
   strategy:
     type: RollingUpdate
diff --git a/apps/base/puppet/kustomization.yaml b/apps/base/puppet/kustomization.yaml
index 65866d4..1af70b6 100644
--- a/apps/base/puppet/kustomization.yaml
+++ b/apps/base/puppet/kustomization.yaml
@@ -54,3 +54,8 @@ configMapGenerator:
       - resources/cobbler-enc
     options:
       disableNameSuffixHash: true
+  - name: additional-ruby-gems
+    files:
+      - resources/additional-ruby-gems.sh
+    options:
+      disableNameSuffixHash: true
diff --git a/apps/base/puppet/resources/additional-ruby-gems.sh b/apps/base/puppet/resources/additional-ruby-gems.sh
new file mode 100755
index 0000000..ea73a4b
--- /dev/null
+++ b/apps/base/puppet/resources/additional-ruby-gems.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+
+echo "Installing additional Ruby gems..."
+/opt/puppetlabs/puppet/bin/gem install toml
+echo "Additional Ruby gems installed successfully"