Create datasync.sh

Author: ajkeane-aws

src/bash/datasync.sh

@@ -0,0 +1,111 @@
+#!/bin/bash
+# Script to convert HyperV datasync image to Azure
+# Runs on Amazon Linux 2
+
+set -e
+
+while getopts ":l:r:v:" opt; do
+  case $opt in
+    l) location="$OPTARG"
+    ;;
+    r) resource_group="$OPTARG"
+    ;;
+    v) vm_name="$OPTARG"
+    ;;
+    \?) echo "Invalid option -$OPTARG" >&3
+    exit 1
+    ;;
+  esac
+
+  case $OPTARG in
+    -*) echo "Option $opt needs a valid argument"
+    exit 1
+    ;;
+  esac
+done
+
+if [ $# -ne 6 ]; then
+    echo "Missing -l or -r or -v"
+    exit 1
+fi
+
+echo -e "\033[0;33mArgument location is $location\033[0m"
+echo -e "\033[0;33mArgument resource_group is $resource_group\033[0m"
+echo -e "\033[0;33mArgument vm_name is $vm_name\033[0m"
+
+AZCOPY_VERSION=v10
+
+function download_and_install_dependencies () {
+    echo -e "[azure-cli]
+name=Azure CLI
+baseurl=https://packages.microsoft.com/yumrepos/azure-cli
+enabled=1
+gpgcheck=1
+gpgkey=https://packages.microsoft.com/keys/microsoft.asc" | tee /etc/yum.repos.d/azure-cli.repo > /dev/null
+    yum -y -q install qemu-img jq unzip azure-cli
+    curl -Ls https://aka.ms/downloadazcopy-$AZCOPY_VERSION-linux -o /tmp/azcopy.tar.gz
+    tar xzf /tmp/azcopy.tar.gz --directory /tmp
+    cp /tmp/azcopy_linux_amd64*/azcopy /usr/local/bin/azcopy
+    chmod +x /usr/local/bin/azcopy
+}
+
+function download_datasync(){
+    echo "Downloading datasync agent for Hyper-V"
+    curl -s https://d8vjazrbkazun.cloudfront.net/AWS-DataSync-Agent-HyperV.zip -o /tmp/datasync.zip
+}
+
+function convert_datasync(){
+    unzip /tmp/datasync.zip -d /tmp
+    vhdxdisk=$(find aws-*)
+    rawdisk=$(echo $vhdxdisk | sed 's/vhdx/raw/')
+    vhddisk=$(echo $vhdxdisk | sed 's/vhdx/vhd/')
+
+    qemu-img convert -f vhdx -O raw $vhdxdisk $rawdisk
+
+    MB=$((1024*1024))
+    size=$(qemu-img info -f raw --output json "$rawdisk" | jq -r '.["virtual-size"]')
+    rounded_size=$(((($size+$MB-1)/$MB)*$MB))
+    echo "Rounded Size = $rounded_size"
+    qemu-img resize $rawdisk $rounded_size
+    qemu-img convert -f raw -o subformat=fixed,force_size -O vpc $rawdisk $vhddisk
+
+    rm $rawdisk
+    disk_name=$(echo $vhddisk | sed 's/\.xfs\.gpt\.vhd//')
+    upload_size=$(qemu-img info --output json "$vhddisk" | jq -r '.["virtual-size"]')
+}
+
+function check_resource_group(){
+    group_exists=$(az group exists --resource-group $resource_group)
+    if [ $group_exists = "false" ]; then
+        az group create --location $location --resource-group $resource_group --only-show-errors
+    fi
+}
+
+function upload_to_azure(){
+    az login --use-device-code
+    check_resource_group
+    az disk create -n $disk_name -g $resource_group -l $location --os-type Linux --upload-type Upload --upload-size-bytes $upload_size --sku standard_lrs --output none --only-show-errors
+    sas_uri=$(az disk grant-access -n $disk_name -g $resource_group --access-level Write --duration-in-seconds 86400 | jq -r '.accessSas')
+    azcopy copy $vhddisk $sas_uri --blob-type PageBlob
+    az disk revoke-access -n $disk_name -g $resource_group
+}
+
+function create_azure_vm(){
+    az vm create -g $resource_group -l $location --name $vm_name --size Standard_E4as_v4 --os-type linux --attach-os-disk $disk_name --public-ip-address "" --only-show-errors
+}
+
+function cleanup(){
+    rm -f /tmp/datasync.zip
+    rm -rf /tmp/aws-datasync-*
+    rm -rf /tmp/azcopy*
+}
+
+pushd /tmp
+cleanup
+download_and_install_dependencies
+download_datasync
+convert_datasync
+upload_to_azure
+create_azure_vm
+cleanup
+popd