From f549fa4df9b5cc1b5a74fe0ce814d624be00ed08 Mon Sep 17 00:00:00 2001
From: mikutas <23391543+mikutas@users.noreply.github.com>
Date: Tue, 4 Apr 2023 18:45:27 +0900
Subject: [PATCH] feat: Environment variables from ConfigMap

resolves #724
---
 templates/_helpers.tpl            | 10 ++++++++++
 templates/server-statefulset.yaml |  1 +
 values.schema.json                |  3 +++
 values.yaml                       |  6 ++++++
 4 files changed, 20 insertions(+)

diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
index dcfcbb8b8..a96f03e4d 100644
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -896,6 +896,16 @@ Inject extra environment populated by secrets, if populated
 {{- end -}}
 {{- end -}}
 
+{{- define "vault.extraEnvironmentVarsFromConfigMap" -}}
+{{- if .extraEnvironmentVarsFromConfigMap -}}
+envFrom:
+{{- range .extraEnvironmentVarsFromConfigMap }}
+  - configMapRef:
+      name: {{ . }}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
 {{/* Scheme for health check and local endpoint */}}
 {{- define "vault.scheme" -}}
 {{- if .Values.global.tlsDisable -}}
diff --git a/templates/server-statefulset.yaml b/templates/server-statefulset.yaml
index d7a34acb6..4a988863d 100644
--- a/templates/server-statefulset.yaml
+++ b/templates/server-statefulset.yaml
@@ -137,6 +137,7 @@ spec:
             {{ template "vault.envs" . }}
             {{- include "vault.extraEnvironmentVars" .Values.server | nindent 12 }}
             {{- include "vault.extraSecretEnvironmentVars" .Values.server | nindent 12 }}
+            {{- include "vault.extraEnvironmentVarsFromConfigMap" .Values.server | nindent 10 }}
           volumeMounts:
           {{ template "vault.mounts" . }}
             - name: home
diff --git a/values.schema.json b/values.schema.json
index c52c20088..7042f437b 100644
--- a/values.schema.json
+++ b/values.schema.json
@@ -620,6 +620,9 @@
                 "extraSecretEnvironmentVars": {
                     "type": "array"
                 },
+                "extraEnvironmentVarsFromConfigMap": {
+                    "type": "array"
+                },
                 "extraVolumes": {
                     "type": "array"
                 },
diff --git a/values.yaml b/values.yaml
index 08b1ad1e1..f4ec12a8d 100644
--- a/values.yaml
+++ b/values.yaml
@@ -559,6 +559,12 @@ server:
     #   secretName: vault
     #   secretKey: AWS_SECRET_ACCESS_KEY
 
+  # extraEnvironmentVarsFromConfigMap is a list of ConfigMap's name whose data as environment variables
+  # to set with the stateful set.
+  extraEnvironmentVarsFromConfigMap: []
+    # - my-configmap
+    # - my-configmap2
+
   # Deprecated: please use 'volumes' instead.
   # extraVolumes is a list of extra volumes to mount. These will be exposed
   # to Vault in the path `/vault/userconfig/<name>/`. The value below is