Add helm chart for the project

main
Nikita Tokarchuk 1 year ago
parent 78188f1720
commit 1860549f6c
Signed by: mainnika
GPG Key ID: A595FB7E3E56911C
  1. 23
      chart/.helmignore
  2. 6
      chart/Chart.yaml
  3. 22
      chart/templates/NOTES.txt
  4. 62
      chart/templates/_helpers.tpl
  5. 10
      chart/templates/config.yaml
  6. 84
      chart/templates/deployment.yaml
  7. 61
      chart/templates/ingress.yaml
  8. 15
      chart/templates/service.yaml
  9. 12
      chart/templates/serviceaccount.yaml
  10. 15
      chart/templates/tests/test-connection.yaml
  11. 77
      chart/values.yaml

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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
*.orig
*~
# Various IDEs
.project
.idea/
*.tmproj
.vscode/

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apiVersion: v2
name: nikita-tokarch-uk
description: A Helm chart for Kubernetes
type: application
version: 0.1.0
appVersion: main

@ -0,0 +1,22 @@
1. Get the application URL by running these commands:
{{- if .Values.ingress.enabled }}
{{- range $host := .Values.ingress.hosts }}
{{- range .paths }}
http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
{{- end }}
{{- end }}
{{- else if contains "NodePort" .Values.service.type }}
export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "nikita-tokarch-uk.fullname" . }})
export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
echo http://$NODE_IP:$NODE_PORT
{{- else if contains "LoadBalancer" .Values.service.type }}
NOTE: It may take a few minutes for the LoadBalancer IP to be available.
You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "nikita-tokarch-uk.fullname" . }}'
export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "nikita-tokarch-uk.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
echo http://$SERVICE_IP:{{ .Values.service.port }}
{{- else if contains "ClusterIP" .Values.service.type }}
export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "nikita-tokarch-uk.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
{{- end }}

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{{/*
Expand the name of the chart.
*/}}
{{- define "nikita-tokarch-uk.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).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "nikita-tokarch-uk.fullname" -}}
{{- if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $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 }}
{{- end }}
{{/*
Create chart name and version as used by the chart label.
*/}}
{{- define "nikita-tokarch-uk.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}
{{/*
Common labels
*/}}
{{- define "nikita-tokarch-uk.labels" -}}
helm.sh/chart: {{ include "nikita-tokarch-uk.chart" . }}
{{ include "nikita-tokarch-uk.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}
{{/*
Selector labels
*/}}
{{- define "nikita-tokarch-uk.selectorLabels" -}}
app.kubernetes.io/name: {{ include "nikita-tokarch-uk.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}
{{/*
Create the name of the service account to use
*/}}
{{- define "nikita-tokarch-uk.serviceAccountName" -}}
{{- if .Values.serviceAccount.create }}
{{- default (include "nikita-tokarch-uk.fullname" .) .Values.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.serviceAccount.name }}
{{- end }}
{{- end }}

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{{- if .Values.config -}}
apiVersion: v1
kind: ConfigMap
metadata:
name: "{{ include "nikita-tokarch-uk.fullname" . }}-config"
labels:
{{- include "nikita-tokarch-uk.labels" . | nindent 4 }}
data:
{{- toYaml .Values.config | nindent 2 }}
{{- end }}

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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "nikita-tokarch-uk.fullname" . }}
labels:
{{- include "nikita-tokarch-uk.labels" . | nindent 4 }}
spec:
replicas: {{ .Values.replicaCount }}
selector:
matchLabels:
{{- include "nikita-tokarch-uk.selectorLabels" . | nindent 6 }}
template:
metadata:
annotations:
checksum/config: {{ include ( print $.Template.BasePath "/config.yaml" ) . | sha256sum }}
{{- with .Values.podAnnotations }}
{{- toYaml . | nindent 8 }}
{{- end }}
labels:
{{- include "nikita-tokarch-uk.selectorLabels" . | nindent 8 }}
spec:
{{- with .Values.imagePullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
{{- end }}
serviceAccountName: {{ include "nikita-tokarch-uk.serviceAccountName" . }}
securityContext:
{{- toYaml .Values.podSecurityContext | nindent 8 }}
containers:
- name: {{ .Chart.Name }}
securityContext:
{{- toYaml .Values.securityContext | nindent 12 }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
command:
- /usr/sbin/nginx
ports:
- name: http
containerPort: 80
protocol: TCP
livenessProbe:
httpGet:
path: /version.html
port: http
readinessProbe:
httpGet:
path: /version.html
port: http
resources:
{{- toYaml .Values.resources | nindent 12 }}
- name: {{ .Chart.Name }}-renderer
securityContext:
{{- toYaml .Values.securityContext | nindent 12 }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
workingDir: /etc/nikita-tokarch-uk
command:
- /usr/local/bin/nikita-tokarch-uk-frontend
resources:
{{- toYaml .Values.resources | nindent 12 }}
volumeMounts:
- name: "{{ include "nikita-tokarch-uk.fullname" . }}-config"
mountPath: /etc/nikita-tokarch-uk
readOnly: true
volumes:
- name: "{{ template "nikita-tokarch-uk.fullname" . }}-config"
{{- if .Values.config }}
configMap:
name: "{{ include "nikita-tokarch-uk.fullname" . }}-config"
{{- else }}
emptyDir: {}
{{- end }}
{{- with .Values.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.affinity }}
affinity:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.tolerations }}
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}

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{{- if .Values.ingress.enabled -}}
{{- $fullName := include "nikita-tokarch-uk.fullname" . -}}
{{- $svcPort := .Values.service.port -}}
{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
{{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
{{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
{{- end }}
{{- end }}
{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1
{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1beta1
{{- else -}}
apiVersion: extensions/v1beta1
{{- end }}
kind: Ingress
metadata:
name: {{ $fullName }}
labels:
{{- include "nikita-tokarch-uk.labels" . | nindent 4 }}
{{- with .Values.ingress.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
ingressClassName: {{ .Values.ingress.className }}
{{- end }}
{{- if .Values.ingress.tls }}
tls:
{{- range .Values.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . | quote }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
rules:
{{- range .Values.ingress.hosts }}
- host: {{ .host | quote }}
http:
paths:
{{- range .paths }}
- path: {{ .path }}
{{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
pathType: {{ .pathType }}
{{- end }}
backend:
{{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
service:
name: {{ $fullName }}
port:
number: {{ $svcPort }}
{{- else }}
serviceName: {{ $fullName }}
servicePort: {{ $svcPort }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}

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apiVersion: v1
kind: Service
metadata:
name: {{ include "nikita-tokarch-uk.fullname" . }}
labels:
{{- include "nikita-tokarch-uk.labels" . | nindent 4 }}
spec:
type: {{ .Values.service.type }}
ports:
- port: {{ .Values.service.port }}
targetPort: http
protocol: TCP
name: http
selector:
{{- include "nikita-tokarch-uk.selectorLabels" . | nindent 4 }}

@ -0,0 +1,12 @@
{{- if .Values.serviceAccount.create -}}
apiVersion: v1
kind: ServiceAccount
metadata:
name: {{ include "nikita-tokarch-uk.serviceAccountName" . }}
labels:
{{- include "nikita-tokarch-uk.labels" . | nindent 4 }}
{{- with .Values.serviceAccount.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
{{- end }}

@ -0,0 +1,15 @@
apiVersion: v1
kind: Pod
metadata:
name: "{{ include "nikita-tokarch-uk.fullname" . }}-test-connection"
labels:
{{- include "nikita-tokarch-uk.labels" . | nindent 4 }}
annotations:
"helm.sh/hook": test
spec:
containers:
- name: wget
image: busybox
command: ['wget']
args: ['{{ include "nikita-tokarch-uk.fullname" . }}:{{ .Values.service.port }}']
restartPolicy: Never

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# Default values for nikita-tokarch-uk.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
# config:
# frontend.yaml: |-
replicaCount: 1
image:
repository: ghcr.io/mainnika/nikita-tokarch-uk
pullPolicy: Always
# tag: "main"
imagePullSecrets: []
nameOverride: ""
fullnameOverride: ""
serviceAccount:
# Specifies whether a service account should be created
create: false
# Annotations to add to the service account
annotations: {}
# The name of the service account to use.
# If not set and create is true, a name is generated using the fullname template
name: ""
podAnnotations: {}
podSecurityContext: {}
# fsGroup: 2000
securityContext: {}
# capabilities:
# drop:
# - ALL
# readOnlyRootFilesystem: true
# runAsNonRoot: true
# runAsUser: 1000
service:
type: ClusterIP
port: 80
ingress:
enabled: true
className: "nginx"
annotations: {}
# kubernetes.io/ingress.class: nginx
# kubernetes.io/tls-acme: "true"
hosts:
- host: nikita.tokarch.uk
paths:
- path: /
pathType: Prefix
tls: []
# - secretName: chart-example-tls
# hosts:
# - chart-example.local
resources: {}
# We usually recommend not to specify default resources and to leave this as a conscious
# choice for the user. This also increases chances charts run on environments with little
# resources, such as Minikube. If you do want to specify resources, uncomment the following
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
# limits:
# cpu: 100m
# memory: 128Mi
# requests:
# cpu: 100m
# memory: 128Mi
nodeSelector: {}
tolerations: []
affinity: {}
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