#/bin/bash

# Passed validation in Cloud Shell on 4/25/2022

# <FullScript>

# Connect an App Service app to Cosmos DB

#

# This sample script creates an Azure Cosmos DB

# account using Azure Cosmos DB for MongoDB and

# an App Service app. It then links a MongoDB connection

# string to the web app using app settings.

#

# set -e # exit if error

# Variable block

let "randomIdentifier=$RANDOM*$RANDOM"

location="East US"

resourceGroup="msdocs-app-service-rg-$randomIdentifier"

tag="connect-to-documentdb.sh"

appServicePlan="msdocs-app-service-plan-$randomIdentifier"

webapp="msdocs-web-app-$randomIdentifier"

# Create a resource group.

echo "Creating $resourceGroup in "$location"..."

az group create --name $resourceGroup --location "$location" --tag $tag

# Create an App Service Plan

echo "Creating $appServicePlan"

az appservice plan create --name $appServicePlan --resource-group $resourceGroup \

--location "$location"

# Create a Web App

az webapp create --name $webapp --plan $appServicePlan --resource-group $resourceGroup

# Create a Cosmos DB with MongoDB API

az cosmosdb create --name $webapp --resource-group $resourceGroup --kind MongoDB

# Get the MongoDB URL

connectionString=$(az cosmosdb keys list --name $webapp --resource-group $resourceGroup --type connection-strings --query connectionStrings[0].connectionString --output tsv)

# Assign the connection string to an App Setting in the Web App

az webapp config appsettings set --name $webapp --resource-group $resourceGroup \

--settings "MONGODB_URL=$connectionString"

# </FullScript>

# echo "Deleting all resources"

# az group delete --name $resourceGroup -y