azure-instance-create.sh

#!/bin/bash

NAME_FORMAT="$(date +%d%m%y-azure-%H%M%S)"

# Set these
SSH_KEY_VALUE=""
RESOURCE_GROUP=""
LOCATION="" # Region the instance is in
SEC_GROUP="" # Network security group - using a pre-made here
VNET="" # virtual network to create in
IDENTITY="" # Managed identity to assign to the instance
STORAGE_ACCOUNT="" # SA the VHD should be in
CONTAINER_NAME="" # "bucket" inside SA
USER="" # Admin user for instance
VHD="" # VHD to built machine from

create_public_ip(){
  az network public-ip create \
   --resource-group $RESOURCE_GROUP \
   --location $LOCATION \
   --allocation-method Dynamic \
   --name azure-public-ip-${NAME_FORMAT} \
   --dns-name ${NAME_FORMAT}
}

create_nic(){
  az network nic create \
   --resource-group $RESOURCE_GROUP \
   --location $LOCATION \
   --network-security-group $SEC_GROUP \
   --name azure-nic-${NAME_FORMAT} \
   --subnet default \
   --vnet-name $VNET \
   --public-ip-address azure-public-ip-${NAME_FORMAT}
}

create_vm(){
  az vm create \
  --resource-group $RESOURCE_GROUP \
   --location $LOCATION \
  --assign-identity /subscriptions/<token>/resourceGroups/${RESOURCE_GROUP}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/${IDENTITY} \
  --nics azure-nic-${NAME_FORMAT} \
  --name azure-instance-${NAME_FORMAT} \
  --os-type Linux \
  --use-unmanaged-disk \
  --image https://${RESOURCE_GROUP}.blob.core.windows.net/${CONTAINER_NAME}/Microsoft.Compute/path/to/vhd/${VHD} \
  --os-disk-name ${NAME_FORMAT}.vhd \
  --storage-account $STORAGE_ACCOUNT \
  --storage-container-name $CONTAINER_NAME \
  --admin-username $USER \
  --ssh-key-value "${SSH_KEY_VALUE}" \
  --ssh-dest-key-path /home/${USER}/.ssh/authorized_keys \
  --os-disk-size-gb 30 \
  --size Standard_B2s
}

main(){
  create_public_ip
  create_nic
  create_vm
}

main