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Sudo permissions not assigned on quickstart deployment to non-aws images

Hi,
I was going through the azure quickstart template for GA release 2.7.1, because some of my deployments were failing. Upon looking at https://github.com/hortonworks/cbd-quickstart/blob/2.7.1/azure/mainTemplate.json

I see that instead of using https://github.com/hortonworks/cbd-quickstart/blob/2.7.1/azure/install-cbd.sh in the azure subfolder, the install script extension is using https://github.com/hortonworks/cbd-quickstart/blob/2.7.1/install-and-start-cbd.sh from the main directory.

In the file, I see that the main() if loop does not have a function similar to aws_prepare_os_user() for assigning sudo permissions to non-aws deployments.

main() {
    init

    if [[ -d "${AWS_BIN_LOCATION}" ]]; then
        get_aws_metadata_profile
        aws_prepare_os_user
        : ${WAIT_HANDLE_URL:? required}
    else
        custom_data
    fi

    download_cbd
    download_cb_cli
    set_perm
    su $OS_USER -c "install_cbd"
}

aws_prepare_os_user() {
    mkdir -p /home/$OS_USER/.ssh
    cp /home/ec2-user/.ssh/authorized_keys /home/$OS_USER/.ssh/
    chown -R $OS_USER:$OS_USER /home/$OS_USER/.ssh
    service sshd reload
    echo "# This is generated by the Cloudbreak deployment's cloud-init script" >> /etc/sudoers.d/cloudbreak
    echo "cloudbreak ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/cloudbreak
}

I have created a PR from my fork as a potential fix with a non_aws_prepare_os_user function.

non_aws_prepare_os_user() {
    echo "# This is generated by the Cloudbreak deployment's cloud-init script" >> /etc/sudoers.d/cloudbreak
    echo "cloudbreak ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/cloudbreak
}

Will link the PR here, please see if this is a valid fix

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