kpatnayakuni

String Operations in PowerShell

• Example string
• String assignment
• Change the string to upper case
• Change the string to lower case
• Change the string to title case
• Compare with other string
• Verify that the given string is an exact match or not
• Verify that, this string contains the given string or not

kpatnayakuni

# Declaring the local variables
locals  {
    storageAccountName          = lower(join("", ["sawinvm", random_string.asaname-01.result]))
    nicName                     = "myVMNic"
    addressPrefix               = "10.0.0.0/16"
    subnetName                  = "Subnet"
    subnetPrefix                = "10.0.0.0/24"
    publicIPAddressName         = "myPublicIP"
    vmName                      = "SimpleWinVM"
    virtualNetworkName          = "MyVNET"

kpatnayakuni

provider "azurerm" {
    version = "=1.36.0"
}

variable "resourceGroupName" {
    type        = string
    description = "Resource Group for this deployment."
}

variable "location" {

kpatnayakuni

Function Install-Terraform
{
    # Ensure to run the function with administrator privilege 
    if (-not (New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator))
    { Write-Host -ForegroundColor Red -Object "!!! Please run as Administrator !!!"; return }
    
    # Terrafrom download Url
    $Url = 'https://www.terraform.io/downloads.html'

    # Local path to download the terraform zip file

kpatnayakuni

# Get the total memory in GB from the local computer using the calculated property with Select-Object
Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -Property PSComputerName, `
@{Name = 'Memory in GB'; Expression = {[Math]::Round($_.TotalVisibleMemorySize/1MB)}}

<# Output
PSComputerName Memory in GB
-------------- ------------
Workstation               8
#>

kpatnayakuni

# Converts Object properties to HashTable.
Function Convert-ObjectToHashTable
{
    [CmdletBinding()]
    param
    (
        [parameter(Mandatory=$true,ValueFromPipeline=$true)]
        [pscustomobject] $Object
    )
    $HashTable = @{}

kpatnayakuni

Function Get-Inventory
{
    [CmdLetBinding()]
    Param
    (
        [Parameter(Mandatory=$true,ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true)]
        [string[]] $ComputerName
    )
    
    Begin

kpatnayakuni

# Login to your Azure Subscription
#az login 

# Declare variables
resourceGroupName='LINUX-RG'
vmName='ubuntu01'

# Get VM OS disk name
vmdiskname=$(az vm show --resource-group $resourceGroupName --name $vmName -d --query "storageProfile.osDisk.name" -o tsv)

kpatnayakuni

<#
This script pulls the date and the time on which the Azure VM(s) created.
This script accepts Resource Group & VM Name as mandatory parameters and accepts VM object(s) optionally.
Since there is no direct Cmdlet to fetch the create date, it is considered the disk create date as VM create date.
#>
Function Get-AzVMCreateDate
{
    [CmdletBinding()]
    param
    (

kpatnayakuni

Function Get-WinSrvFromInv
{
    <#
        The purpose of this function is to retrieve the list of servers for which you want to check the Windows Activation status.
        Write your piece of code to retirve the servers from your inventory.
        for example, Get-Content -Path $InvPath\Server.txt
    #>
    return @("Srv2K19", "Srv2K16", "Srv2K12")
}
Function Get-WindowsActivation