#!/usr/bin/env bash

# az-vm-backup-cli.sh

# This script was adapted from https://github.com/fouldsy/azure-mol-samples-2nd-ed/blob/master/13/azure_cli_sample.sh

# released under the MIT license. See https://github.com/fouldsy/azure-mol-samples-2nd-ed/blob/master/LICENSE

# and chapter 13 of the ebook "Learn Azure in a Month of Lunches - 2nd edition" (Manning Publications) by Iain Foulds,

# Purchase at https://www.manning.com/books/learn-azure-in-a-month-of-lunches-second-edition

set -o errexit

if [[ -z $MY_RG ]]; then

source ../setup.sh # in folder above this.

fi

# Create a resource group

az group create --name "${MY_RG}" --location "${MY_LOC}"

# Create a Linux VM

# You specify the resoure group from the previous step, then provide a name.

# This VM uses Ubuntu LTS as the VM image, and creates a user name MY_ADMIN_USER_NAME `azuremol`

# The `--generate-ssh-keys` checks for keys you may have created earlier. If

# SSH keys are found, they are used. Otherwise, they are created for you

az vm create \

--name "${MY_VM_NAME}" \

--image UbuntuLTS \

--admin-username "${MY_ADMIN_USER_NAME}" \

--generate-ssh-keys \

--resource-group "${MY_RG}"

# Create a Recovery Services vault

# This vault is used to store your backups

az backup vault create \

--name "${MY_RECOVERY_VAULT_NAME}" \

--location "${MY_LOC}" \

--resource-group "${MY_RG}"

# It can take a few seconds for the Recovery Services vault to become

# available, so wait before trying to enable the VM for protection

sleep 10

# Enable backup for the VM

# The Recovery Services vault created in the previous step is used as the

# destination for the VM backup data

# The default backup policy for retention is also then applied

az backup protection enable-for-vm \

--vm molvm \

--vault-name "${MY_RECOVERY_VAULT_NAME}" \

--policy-name DefaultPolicy \

--resource-group "${MY_RG}"

# Start a backup job for the VM

# The data is formatted into the d-m-Y format and is retained for 30 days

az backup protection backup-now \

--item-name "${MY_VM_NAME}" \

--vault-name "${MY_RECOVERY_VAULT_NAME}" \

--container-name molvm \

--retain-until $(date +%d-%m-%Y -d "+30 days") \

--resource-group "${MY_RG}"

# List the backup jobs

# The status of the backup should be listed as InProgress. It can 15-20 minutes

# for the initial backup job to complete

az backup job list \

--vault-name "${MY_KEYVAULT_NAME}" \

--output table \

--resource-group "${MY_RG}"

echo "It can take 25-30 minutes for the initial backup job to complete."