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add helm postal chart #20

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41d0e8f
add helm postal chart
dmitryzykov Sep 11, 2024
a81f2ca
add replicas to values
dmitryzykov Sep 11, 2024
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21 changes: 21 additions & 0 deletions helm/postal/.helmignore
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# Patterns to ignore when building packages.
# This supports shell glob matching, relative path matching, and
# negation (prefixed with !). Only one pattern per line.
.DS_Store
# Common VCS dirs
.git/
.gitignore
.bzr/
.bzrignore
.hg/
.hgignore
.svn/
# Common backup files
*.swp
*.bak
*.tmp
*~
# Various IDEs
.project
.idea/
*.tmproj
11 changes: 11 additions & 0 deletions helm/postal/Chart.yaml
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apiVersion: v2
name: postal
version: 1.0.0
appVersion: 3.3.4
home: https://github.com/postalserver/postal
description: A complete and fully featured mail server
keywords:
- postal
sources:
- https://github.com/postalserver/install
engine: gotpl
19 changes: 19 additions & 0 deletions helm/postal/templates/_helpers.tpl
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{{/*
Expand the name of the chart.
*/}}
{{- define "postal.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
{{- end -}}

{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "postal.fullname" -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- if contains $name .Release.Name -}}
{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{- end -}}
12 changes: 12 additions & 0 deletions helm/postal/templates/secret.yaml
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apiVersion: v1
kind: Secret
metadata:
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
name: {{ template "postal.fullname" . }}
data:
postal.yml: {{ toYaml .Values.config | b64enc | quote }}
signing.key: {{ .Values.signingKey | b64enc | quote }}
45 changes: 45 additions & 0 deletions helm/postal/templates/smtp/deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "postal.fullname" . }}-smtp
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
component: smtp
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
spec:
selector:
matchLabels:
app: {{ template "postal.name" . }}
component: smtp
# at the moment, we only support one replica
replicas: {{ .Values.smtp.replicas }}
strategy:
type: Recreate
template:
metadata:
labels:
app: {{ template "postal.name" . }}
component: smtp
annotations:
checksum/secret: {{ include (print .Template.BasePath "/secret.yaml") . | sha256sum }} # Checksum annotation
spec:
containers:
- name: smtp
image: "{{ .Values.image }}:{{ .Values.imageTag }}"
imagePullPolicy: "{{ .Values.imagePullPolicy }}"
command: ["postal", "smtp-server"]
resources:
{{ toYaml .Values.resources | indent 10 }}
ports:
- name: smtp
containerPort: 25
volumeMounts:
- name: config
mountPath: /config/
readOnly: true
volumes:
- name: config
secret:
secretName: {{ template "postal.fullname" . }}
20 changes: 20 additions & 0 deletions helm/postal/templates/smtp/service.yaml
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apiVersion: v1
kind: Service
metadata:
name: {{ template "postal.fullname" . }}-smtp
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
component: postal
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
spec:
selector:
app: {{ template "postal.name" . }}
component: smtp
loadBalancerIP: {{ .Values.smtp.service.loadBalancerIP }}
ports:
- name: smtp
port: 25
targetPort: smtp
type: {{ .Values.smtp.service.type }}
45 changes: 45 additions & 0 deletions helm/postal/templates/web/deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "postal.fullname" . }}-web
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
component: web
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
spec:
selector:
matchLabels:
app: {{ template "postal.name" . }}
component: web
# at the moment, we only support one replica
replicas: {{ .Values.web.replicas }}
strategy:
type: Recreate
template:
metadata:
labels:
app: {{ template "postal.name" . }}
component: web
annotations:
checksum/secret: {{ include (print .Template.BasePath "/secret.yaml") . | sha256sum }} # Checksum annotation
spec:
containers:
- name: web
image: "{{ .Values.image }}:{{ .Values.imageTag }}"
imagePullPolicy: "{{ .Values.imagePullPolicy }}"
command: ["postal", "web-server"]
resources:
{{ toYaml .Values.resources | indent 10 }}
ports:
- name: web
containerPort: 5000
volumeMounts:
- name: config
mountPath: /config/
readOnly: true
volumes:
- name: config
secret:
secretName: {{ template "postal.fullname" . }}
47 changes: 47 additions & 0 deletions helm/postal/templates/web/ingress.yaml
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{{- if .Values.web.ingress.enabled -}}
{{- $fullName := include "postal.fullname" . -}}
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: {{ $fullName }}
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
component: postal
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
{{- with .Values.web.ingress.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- if .Values.web.ingress.className }}
ingressClassName: {{ .Values.web.ingress.className }}
{{- end }}
{{- if .Values.web.ingress.tls }}
tls:
{{- range .Values.web.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . | quote }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
rules:
{{- range .Values.web.ingress.hosts }}
- host: {{ .host | quote }}
http:
paths:
{{- range .paths }}
- path: {{ .path }}
pathType: {{ .pathType }}
backend:
service:
name: {{ $fullName }}-web
port:
number: 5000
{{- end }}
{{- end }}
{{- end }}
18 changes: 18 additions & 0 deletions helm/postal/templates/web/service.yaml
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apiVersion: v1
kind: Service
metadata:
name: {{ template "postal.fullname" . }}-web
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
component: postal
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
spec:
selector:
app: {{ template "postal.name" . }}
component: web
ports:
- name: web
port: 5000
targetPort: web
41 changes: 41 additions & 0 deletions helm/postal/templates/worker/deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "postal.fullname" . }}-worker
labels:
app: {{ template "postal.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
component: worker
heritage: {{ .Release.Service }}
release: {{ .Release.Name }}
spec:
selector:
matchLabels:
app: {{ template "postal.name" . }}
component: worker
replicas: {{ .Values.worker.replicas }}
strategy:
type: Recreate
template:
metadata:
labels:
app: {{ template "postal.name" . }}
component: worker
annotations:
checksum/secret: {{ include (print .Template.BasePath "/secret.yaml") . | sha256sum }} # Checksum annotation
spec:
containers:
- name: worker
image: "{{ .Values.image }}:{{ .Values.imageTag }}"
imagePullPolicy: "{{ .Values.imagePullPolicy }}"
command: ["postal", "worker"]
resources:
{{ toYaml .Values.resources | indent 10 }}
volumeMounts:
- name: config
mountPath: /config/
readOnly: true
volumes:
- name: config
secret:
secretName: {{ template "postal.fullname" . }}
89 changes: 89 additions & 0 deletions helm/postal/values.yaml
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image: ghcr.io/postalserver/postal
imageTag: "3.3.4"
imagePullPolicy: Always

resources: {}

config:
version: 2

postal:
web_hostname: example.com
web_protocol: https
smtp_hostname: example.com

main_db:
host: mariadb.default.svc.cluster.local
username: root
password:
database: postal

message_db:
host: mariadb.default.svc.cluster.local
username: root
password:
database: postal_messages

smtp_server:
default_bind_address: "::"

dns:
# Specify the DNS records that you have configured. Refer to the documentation at
# https://github.com/atech/postal/wiki/Domains-&-DNS-Configuration for further
# information about these.
mx_records:
- mx.example.com
spf_include: spf.example.com
return_path_domain: rp.example.com
route_domain: routes.example.com
track_domain: track.example.com

smtp:
# Specify an SMTP server that can be used to send messages from the Postal management
# system to users. You can configure this to use a Postal mail server once the
# your installation has been set up.
host: 127.0.0.1
port: 2525
username: # Complete when Postal is running and you can
password: # generate the credentials within the interface.
from_name: Postal
from_address: example.com

rails:
# This is generated automatically by the config initialization. It should be a random
# string unique to your installation.
secret_key: f1e4a061c0f3894a65d0335ce9d56ffa16c8b4d8dd2a101d875f703358790fc69b5a27f854dfff895b6d86cb9994ed8506e0cdec1a2cd5a1c840bf98b47431cd08de05e33a12f53219dcb795e4d72685647b40eb707555c242a1facc40b19c4cd3a35b0ca91507a672d3f7bce48a0dad81c930320001b22ba6fdc468f9a8ce08

web_server:
default_bind_address: 0.0.0.0

# openssl genrsa -out path/to/signing.key 2018
signingKey: |
# paste key here

web:
replicas: 1
ingress:
enabled: true
className: nginx
annotations:
kubernetes.io/tls-acme: "true"
labels: {}
hosts:
- host: example.com
paths:
- path: /
pathType: ImplementationSpecific
tls:
- secretName: postal-web-tls
hosts:
- example.com

smtp:
replicas: 1
service:
type: LoadBalancer
loadBalancerIP:

worker:
replicas: 1