pyHelloW

Python RestAPI for demo testing and creating platforms while development is still underway

The output you should get is:

{
  "hostname": "pyhellow-api-xxxxxxxx-xxxxxx",
  "greeting": "Hello World",
  "now": "Fri, 24 Jul 2020 09:55:54 GMT"
}

If the OS Env variable HOSTNAME isn't set your request will be:

{
  "greeting": "Hello World",
  "now": "Fri, 24 Jul 2020 09:55:54 GMT"
}

Running your Application

Local command line

$ python3 src/main.api

Kubernetes

Client Prerequisites:

• Python 3
• minikube
• kubectl
• helm version 3.x.x
• git
• curl

AWS Prerequisites:

• EKS Cluster
• RBAC enabled
• Metrics server

Run on Minikube

Add helm repo

$ helm repo add pyhellow https://boldlink.github.io/pyhellow/charts/

$ helm repo update

Install the app

$ kubectl --context minikube create ns pyhellow

$ helm install pyhellow-api pyhellow/pyhellow-api -f charts/values-mini.yaml --kube-context=minikube -n pyhellow

Navigate service

$ minikube service pyhellw-api --url

$ curl http://192.168.99.100:31252/v1/api

Upgrade the app

$ helm upgrade pyhellow-api pyhellow/pyhellow-api -f charts/values-mini.yaml --kube-context=minikube -n pyhellow

Run on EKS

Add helm repo

$ helm repo add pyhellow https://boldlink.github.io/pyhellow/charts/
$ helm repo update

Make sure your eks config is up-to-date

$ aws eks update-kubeconfig --name CLUSTER_NAME

Install the app

$ kubectl create ns pyhellow
$ helm install pyhellow-api pyhellow/pyhellow-api -f charts/values-aws.yaml -n pyhellow

Navigate to the service

$ kubectl get svc

# Add /vi/api to curl
$ curl http://xxxxxxxxx-xxxxxx.xx-xxxx-x.elb.amazonaws.com:31252/v1/api

Ugrade the app

helm upgrade pyhellow-api pyhellow/pyhellow-api -f charts/values-aws.yaml -n pyhellow

CI/CD pipeline

A demo pipeline was added as well configured for our environment, it includes the following steps:

• github: Run Superlinter to validate code syntax
• drone: SonarCube scanner for code analysis
• drone: Build and push docker image
• drone: Scan image with Clair
• drone: Deploy helm chart to dev
• drone: Deploy helm chart to prod

The helm repo and chart

This github repo is also the Helm repo, bellow are the commands helm chart related (Yes still manual)

Prepare Helm chart

$ cd charts/
$ helm lint helm-chart-sources/*

Package

$ helm package pyhellow-api/

Update the repo index

$ helm repo index --url https://boldlink.github.io/pyhellow/charts/ --merge index.yaml .

Commit the changes and have fun :)