Private/Get-DataFromStorageTable.ps1

# Will be called in VM
function Global:Get-DataFromStorageTable {
    [CmdletBinding()]
    <#
    .SYNOPSIS
        ...
    .DESCRIPTION
        ...
    #>

    param(
        [Parameter(Mandatory = $true, Position = 1)]
        [string]
        $SASKey,
        [Parameter(Mandatory = $true, Position = 2)]
        [string]
        $AccountName,
        [Parameter(Mandatory = $true, Position = 3)]
        [string]
        $TableName
    )
    process {
        $accessKey = $SASKey
        $account_name = $AccountName
        $table_name = $TableName
        $date = ([System.DateTime]::Now).ToString("R")
        $api_version = "2016-05-31"
        $table_url = "https://$account_name.table.core.windows.net/$table_name"
        $data_type = "application/json"
        $canonicalResource = "/$account_name/$table_name";
        $stringToSign = "POST`n`n$data_type`n$date`n$canonicalResource";
        $stringToSign = "GET`n`n$data_type`n$date`n$canonicalResource";
        $utf8enc = [System.Text.Encoding]::UTF8;
        $bytes = $utf8enc.GetBytes($stringToSign)

        $hmacsha = New-Object System.Security.Cryptography.HMACSHA256
        $hmacsha.key = [System.Convert]::FromBase64String($accessKey)
        $signature = [System.Convert]::ToBase64String($hmacsha.ComputeHash([Text.Encoding]::UTF8.GetBytes($stringToSign)))


        $body = @{
            PartitionKey = "1";
            RowKey       = [System.guid]::NewGuid().ToString();
            Address      = "Mountain View";
            Age          = "23";
        }

        $json = $body | Convertto-JSON


        $table_headers = @{
            "x-ms-date"     = $date
            "x-ms-version"  = $api_version
            "Authorization" = "SharedKey $account_name`:$signature"
            "Content-Type"  = $data_type
            "Accept"        = "application/json;odata=fullmetadata"
        }

        #Invoke-RestMethod -Method POST -Uri $table_url -Headers $table_headers -Body $json -Verbose
        Invoke-RestMethod -Method GET -Uri $table_url -Headers $table_headers # -Body $json -Verbose
    }
}