deploy/k8s/helm/deploy-chart.sh

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#!/usr/bin/env bash

# http://redsymbol.net/articles/unofficial-bash-strict-mode
set -euo pipefail

usage()
{
  cat <<END
deploy.sh: deploys the $app_name application to a Kubernetes cluster using Helm.
Parameters:
  --aks-name <AKS cluster name>
    The name of the AKS cluster. Required when the registry (using the -r parameter) is set to "aks".
  --aks-rg <AKS resource group>
    The resource group for the AKS cluster. Required when the registry (using the -r parameter) is set to "aks".
  -c | --chart <name of chart>
    The name of the chart to upgrade (or install)
  -d | --dns <dns or ip address> | --dns aks
    Specifies the external DNS/ IP address of the Kubernetes cluster.
    If 'aks' is set as value, the DNS value is retrieved from the AKS. --aks-name and --aks-rg are needed.
    When --use-local-k8s is specified the external DNS is automatically set to localhost.
  -h | --help
    Displays this help text and exits the script.
  -n | --app-name <the name of the app>
    Specifies the name of the application (default: eshop).
  --namespace <namespace name>
    Specifies the namespace name to deploy the app. If it doesn't exists it will be created (default: eshop).
  -p | --docker-password <docker password>
    The Docker password used to logon to the custom registry, supplied using the -r parameter.
  -r | --registry <container registry>
    Specifies the container registry to use (required), e.g. myregistry.azurecr.io.
  --skip-clean
    Do not clean the Kubernetes helm chart. Default is to clean the chart.
  -t | --tag <docker image tag>
    The tag used for the newly created docker images. Default: latest.
  -u | --docker-username <docker username>
    The Docker username used to logon to the custom registry, supplied using the -r parameter.
  --use-local-k8s
    Deploy to a locally installed Kubernetes (default: false).

It is assumed that the Kubernetes cluster has been granted access to the container registry.
If using AKS and ACR see link for more info: 
https://docs.microsoft.com/en-us/azure/container-registry/container-registry-auth-aks

WARNING! THE SCRIPT WILL COMPLETELY DESTROY ALL DEPLOYMENTS AND SERVICES VISIBLE
FROM THE CURRENT CONFIGURATION CONTEXT AND NAMESPACE.
It is recommended that you check your selected namespace, 'eshop' by default, is already in use.
Every deployment and service done in the namespace will be deleted.
For more information see https://kubernetes.io/docs/tasks/administer-cluster/namespaces/

END
}

acr_connected=''
app_name='eshop'
aks_name=''
aks_rg=''
chart=''
clean='yes'
container_registry=''
docker_password=''