From 087ec6edabcf7c6c864e9c12b26309ce23d6ce17 Mon Sep 17 00:00:00 2001
From: Sebastian Voss <sebastian.voss@coretechnologies.de>
Date: Mon, 25 Jan 2021 15:45:02 +0100
Subject: [PATCH] feat(kratos): add possibility to configure email template
 overrides (#218)

---
 .../kratos/templates/configmap-templates.yaml | 22 ++++++++++++++
 helm/charts/kratos/templates/deployment.yaml  | 16 ++++++++++
 helm/charts/kratos/values.yaml                | 30 +++++++++++++++++++
 3 files changed, 68 insertions(+)
 create mode 100644 helm/charts/kratos/templates/configmap-templates.yaml

diff --git a/helm/charts/kratos/templates/configmap-templates.yaml b/helm/charts/kratos/templates/configmap-templates.yaml
new file mode 100644
index 000000000..b67a04c04
--- /dev/null
+++ b/helm/charts/kratos/templates/configmap-templates.yaml
@@ -0,0 +1,22 @@
+{{- $root := . -}}
+{{- range $method, $methodEntry := .Values.kratos.emailTemplates }}
+{{- range $result, $resultEntry := $methodEntry }}
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "kratos.fullname" $root }}-template-{{ $method }}-{{ $result }}
+  namespace: {{ $root.Release.Namespace }}
+  labels:
+{{ include "kratos.labels" $root | indent 4 }}
+data:
+  {{- if $resultEntry.subject }}
+  "email.subject.gotmpl": |
+    {{ $resultEntry.subject | quote }}
+  {{- end }}
+  {{- if $resultEntry.body }}
+  "email.body.gotmpl": |-
+{{ $resultEntry.body | indent 4 }}
+  {{- end }}
+{{- end }}
+{{- end }}
diff --git a/helm/charts/kratos/templates/deployment.yaml b/helm/charts/kratos/templates/deployment.yaml
index b3374e1c9..fe0c43309 100644
--- a/helm/charts/kratos/templates/deployment.yaml
+++ b/helm/charts/kratos/templates/deployment.yaml
@@ -111,6 +111,14 @@ spec:
           name: {{ include "kratos.name" . }}-config-volume
           configMap:
             name: {{ include "kratos.fullname" . }}-config
+        {{- $root := . -}}
+        {{- range $method, $methodEntry := .Values.kratos.emailTemplates }}
+        {{- range $result, $resultEntry := $methodEntry }}
+        - name: {{ include "kratos.name" $root }}-template-{{ $method }}-{{ $result }}-volume
+          configMap:
+            name: {{ include "kratos.fullname" $root }}-template-{{ $method }}-{{ $result }}
+        {{- end }}
+        {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
@@ -130,6 +138,14 @@ spec:
               name: {{ include "kratos.name" . }}-config-volume
               mountPath: /etc/config
               readOnly: true
+            {{- $root := . -}}
+            {{- range $method, $methodEntry := .Values.kratos.emailTemplates }}
+            {{- range $result, $resultEntry := $methodEntry }}
+            - name: {{ include "kratos.name" $root }}-template-{{ $method }}-{{ $result }}-volume
+              mountPath: /conf/courier-templates/{{ $method }}/{{ $result }}
+              readOnly: true
+            {{- end }}
+            {{- end }}
           env:
             -
               name: DSN
diff --git a/helm/charts/kratos/values.yaml b/helm/charts/kratos/values.yaml
index f5b956bd9..6b1257356 100644
--- a/helm/charts/kratos/values.yaml
+++ b/helm/charts/kratos/values.yaml
@@ -85,9 +85,39 @@ kratos:
 #        // ...
 #      }
 
+#  You can customize the emails kratos is sending (also uncomment config.courier.template_override_path below)
+#  Note: If you are setting config.courier.template_override_path you need to supply overrides for all templates.
+#        It is currently not possible to overrides only selected methods.
+#
+#  emailTemplates:
+#    recovery:
+#      valid:
+#        subject: Recover access to your account
+#        body: |-
+#          Hi, please recover access to your account by clicking the following link:
+#
+#          <a href="{{ .RecoveryURL }}">{{ .RecoveryURL }}</a>
+#      invalid:
+#        subject: Account access attempted
+#        body: |-
+#          Hi, you (or someone else) entered this email address when trying to recover access to an account.
+#
+#          However, this email address is not on our database of registered users and therefore the attempt has failed. If this was you, check if you signed up using a different address. If this was not you, please ignore this email.
+#    verification:
+#      valid:
+#        subject: Please verify your email address
+#        body: |-
+#          Hi, please verify your account by clicking the following link:
+#
+#          <a href="{{ .RecoveryURL }}">{{ .RecoveryURL }}</a>
+#      invalid:
+#        subject:
+#        body:
+
   config:
     courier:
       smtp: {}
+      #template_override_path: /conf/courier-templates
 
     serve:
       public: