ZertoAVSModule

3.0.2-dev

common_utils.ps1

$ZVM_VM_NAME = "ZVML"

Function Start-ZVM {

    process{
        
        try {
            Write-Host "Starting $($MyInvocation.MyCommand)..."

            $ZVM = Get-VM -Name $ZVM_VM_NAME
            if ($ZVM  -eq $null) {
                Write-Error "$ZVM_VM_NAME doesn't exists" -ErrorAction Stop
            }
            else {
                if ($ZVM.PowerState -eq 'PoweredOff') {
                    Write-Host "$ZVM_VM_NAME is powered off, going to power it on"
                    Start-VM $ZVM -ErrorAction Stop | Out-Null
                }
                else {
                    Write-Host "$ZVM_VM_NAME is up and running"
                }
            }
        }
        catch {
            Write-Error "Failed to start $ZVM_VM_NAME, exception = $_" -ErrorAction Stop
        }
    }
}

Function Stop-ZVM {

    process{
        
        try {
            Write-Host "Starting $($MyInvocation.MyCommand)..."

            $ZVM = Get-VM -Name $ZVM_VM_NAME 
            if ($ZVM  -eq $null) {
                Write-Error "$ZVM_VM_NAME doesn't exists" -ErrorAction Stop 
            }
            else {
                if ($ZVM.PowerState -eq 'PoweredOn') {
                    Write-Host "$ZVM_VM_NAME is powered on, going to power it off"
                    Stop-VM -VM $ZVM -Confirm:$False -ErrorAction Stop | Out-Null
                }
                else {
                    Write-Host "$ZVM_VM_NAME is off"
                }
            }
        }
        catch {
            Write-Error "Failed to stop $ZVM_VM_NAME, exception = $_" -ErrorAction Stop
        }
    }
}

Function New-RandomPassword {
       Process {
            #Generate a password with at least 2 uppercase, 4 lowercase, 4 digits & 2 special character (!@#$%^&*())
             
            Write-Host "Starting $($MyInvocation.MyCommand)..."
             
            $upperChars =(65..90)
            $lowerChars    = (97..122)
            $numerics =  (48..57)
            $specialChars = @(33, 35, 36, 37, 38, 40, 41, 42, 45, 64, 94)    
            
            $seedArray = ($upperChars | Get-Random -Count 2)
            $seedArray += ($lowerChars | Get-Random -Count 4)
            $seedArray += ($numerics | Get-Random -Count 4)
            $seedArray += ($specialChars | Get-Random -Count 2)
            
            Foreach ($a in $seedArray){
                $passwordAscii += , [char][byte]$a 
            }
            
            $password = $passwordAscii -join ""
            
            return $password
       }
}

Function New-ZertoFolderOnHost {
    param(
        [Parameter(Mandatory = $true, 
            HelpMessage = "Host Name to connect with SSH")]
        [string]$HostName 
    )
    
    process {
        Write-Host "Starting $($MyInvocation.MyCommand)..."
        
        $Command = "mkdir -p $ZERTO_FOLDER_ON_HOST"
        $Res = Invoke-SSHCommands -HostName $HostName -Commands $Command
        $ExitStatus = $Res["0_exitStatus"];
        
        if ( $ExitStatus -ne '0' ) {
            throw "failed to create $ZERTO_FOLDER_ON_HOST on host $HostName. Exit status for ""$Command"" is $ExitStatus"
        } 
        else {
            Write-Host "Zerto folder ($ZERTO_FOLDER_ON_HOST) was created on $HostName."
        }
    }
}