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DevOpsCorner Helm Chart

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Helm chart for devopscorner services (Semantic Version)

Prerequirements

  • Helm

    ### Linux ###
$ curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
$ chmod 700 get_helm.sh
$ ./get_helm.sh

### MacOS ###
$ brew install helm

  • Helmfile

    wget https://github.com/roboll/helmfile/releases/download/v0.139.7/helmfile_linux_amd64
chmod +x helmfile_linux_amd64
sudo mv helmfile_linux_amd64 /usr/local/bin/helmfile

  • Helm Plugins

    helm plugin install https://github.com/databus23/helm-diff
helm plugin install https://github.com/hypnoglow/helm-s3.git

  • Added Mandatory Repository

    helm repo add stable https://charts.helm.sh/stable
helm repo update

Helm Repository

  • Check Repository Helm

    helm repo list
----
NAME            URL
stable          https://charts.helm.sh/stable

  • Adding Repository Helm

    ### LAB ###
helm s3 init s3://devopscorner-helm-chart/lab
AWS_REGION=ap-southeast-1 helm repo add devopscorner-lab s3://devopscorner-helm-chart/lab

### STAGING ###
helm s3 init s3://devopscorner-helm-chart/staging
AWS_REGION=ap-southeast-1 helm repo add devopscorner-staging s3://devopscorner-helm-chart/staging

### PRODUCTION ###
helm s3 init s3://devopscorner-helm-chart/prod
AWS_REGION=ap-southeast-1 helm repo add devopscorner s3://devopscorner-helm-chart/prod

helm repo update

Testing Helm

  • Testing the chart template

    helm template ./api -f api/values.yaml
helm template ./backend -f backend/values.yaml
helm template ./frontend -f frontend/values.yaml
helm template ./svcrole -f svcrole/values.yaml

Create Helm Template

  • Create a zip package of helm chart

    helm package api
helm package backend
helm package frontend
helm package svcrole

Update Helm Template

  • Push chart into private repository

    ### LAB ###
helm s3 push api-[version].tgz devopscorner-lab --force
helm s3 push backend-[version].tgz devopscorner-lab --force
helm s3 push frontend-[version].tgz devopscorner-lab --force
helm s3 push svcrole-[version].tgz devopscorner-lab --force

### STAGING ###
helm s3 push api-[version].tgz devopscorner-staging --force
helm s3 push backend-[version].tgz devopscorner-staging --force
helm s3 push frontend-[version].tgz devopscorner-staging --force
helm s3 push svcrole-[version].tgz devopscorner-staging --force
---
### PRODUCTION ###
helm s3 push api-[version].tgz devopscorner --force
helm s3 push backend-[version].tgz devopscorner --force
helm s3 push frontend-[version].tgz devopscorner --force
helm s3 push svcrole-[version].tgz devopscorner --force

Changing Version Helm

  • Update version value in Chart Template Chart.yaml

    apiVersion: v1
name: api
description: A Helm chart for Kubernetes

# A chart can be either an 'application' or a 'library' chart.
#
# Application charts are a collection of templates that can be packaged into versioned archives
# to be deployed.
#
# Library charts provide useful utilities or functions for the chart developer. They're included as
# a dependency of application charts to inject those utilities and functions into the rendering
# pipeline. Library charts do not define any templates and therefore cannot be deployed.
type: application

# This is the chart version. This version number should be incremented each time you make changes
# to the chart and its templates, including the app version.
# Versions are expected to follow Semantic Versioning (https://semver.org/)
version: 0.3.0     ### Change HERE

# This is the version number of the application being deployed. This version number should be
# incremented each time you make changes to the application. Versions are not expected to
# follow Semantic Versioning. They should reflect the version the application is using.
# It is recommended to use it with quotes.
appVersion: "1.16.0"

HELM Template Structure

lab
├── api
│   ├── Chart.yaml
│   ├── api.yaml
│   ├── templates
│   │   ├── _helpers.tpl
│   │   ├── clusterrole.yaml
│   │   ├── configmap.yaml
│   │   ├── deployment.yaml
│   │   ├── hpa.yaml
│   │   ├── ingress.yaml
│   │   ├── secret.yaml
│   │   ├── service.yaml
│   │   └── serviceaccount.yaml
│   └── values.yaml
├── backend
│   ├── Chart.yaml
│   ├── backend.yaml
│   ├── templates
│   │   ├── _helpers.tpl
│   │   ├── clusterrole.yaml
│   │   ├── configmap.yaml
│   │   ├── deployment.yaml
│   │   ├── hpa.yaml
│   │   ├── ingress.yaml
│   │   ├── secret.yaml
│   │   ├── service.yaml
│   │   └── serviceaccount.yaml
│   └── values.yaml
├── configmap
│   ├── Chart.yaml
│   ├── configmap.yaml
│   ├── templates
│   │   ├── _helpers.tpl
│   │   └── configmap.yaml
│   └── values.yaml
├── frontend
│   ├── Chart.yaml
│   ├── frontend.yaml
│   ├── templates
│   │   ├── _helpers.tpl
│   │   ├── clusterrole.yaml
│   │   ├── configmap.yaml
│   │   ├── deployment.yaml
│   │   ├── hpa.yaml
│   │   ├── ingress.yaml
│   │   ├── secret.yaml
│   │   ├── service.yaml
│   │   └── serviceaccount.yaml
│   └── values.yaml
├── helm-pack-lab.sh
├── helm-push-lab.sh
├── secretref
│   ├── Chart.yaml
│   ├── secretref.yaml
│   ├── templates
│   │   ├── _helpers.tpl
│   │   └── secret.yaml
│   └── values.yaml
...
...
├── stateful
│   ├── Chart.yaml
│   ├── stateful.yaml
│   ├── templates
│   │   ├── _helpers.tpl
│   │   ├── clusterrole.yaml
│   │   ├── configmap.yaml
│   │   ├── deployment.yaml
│   │   ├── hpa.yaml
│   │   ├── ingress.yaml
│   │   ├── pv.yaml
│   │   ├── pvc.yaml
│   │   ├── secret.yaml
│   │   ├── service.yaml
│   │   └── serviceaccount.yaml
│   └── values.yaml
└── svcrole
    ├── Chart.yaml
    ├── templates
    │   ├── _helpers.tpl
    │   ├── clusterrole.yaml
    │   ├── rolebinding.yaml
    │   └── serviceaccount.yaml
    └── values.yaml

26 directories, 140 files

Service HELM Template

  • Structure on services repo
_infra/
   dev/
      helmfile.yaml
      values/
            api/values.yaml
            backend/values.yaml
            frontend/values.yaml
            svcrole/values.yaml

ECR Deployment

  • ECR Login

    aws ecr get-login-password --region [AWS_REGION] | docker login --username AWS --password-stdin [ERC_PATH]
---
aws ecr get-login-password --region ap-southeast-1 | docker login --username AWS --password-stdin [AWS_ACCOUNT].dkr.ecr.ap-southeast-1.amazonaws.com

  • ECR Build

    docker build [DOCKERFILE_PATH] -t [DOCKER_IMAGE_NAME]:[TAG]
---
docker build . -t zeroc0d3/laravel-kubernetes:latest
docker build /home/ubuntu/Dockerfile -t zeroc0d3/laravel-kubernetes:latest

  • ECR Push

    docker tag [DOCKER_IMAGE_NAME]:[TAG] [ECR_PATH]/[DOCKER_IMAGE_NAME]:[TAG]
docker push [ECR_PATH]/[DOCKER_IMAGE_NAME]:[TAG]
---
docker tag devopscorner/laravel-kubernetes:latest [AWS_ACCOUNT].dkr.ecr.ap-southeast-1.amazonaws.com/devopscorner/laravel-kubernetes:latest
docker push [AWS_ACCOUNT].dkr.ecr.ap-southeast-1.amazonaws.com/devopscorner/laravel-kubernetes:latest

  • ECR Pull

    docker pull [ECR_PATH]/[DOCKER_IMAGE_NAME]:[TAG]
---
docker pull [AWS_ACCOUNT].dkr.ecr.ap-southeast-1.amazonaws.com/devopscorner/laravel-kubernetes:latest

Copyright

  • Author: DevOps Corner
  • License: Apache v2

About

Production Grade of HelmChart Template for Multipurpose Application

devopscorner.id

Topics

kubernetes jenkins devops deployment websocket helm spinnaker devops-tools helmfile eks helmchart ingress-nginx devopscorner ingress-alb

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License

Apache-2.0 license
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Releases 5

v1.5.0 Latest
Nov 8, 2023
+ 4 releases

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