Upgrade app service plan and restart webjobs using Azure AZ

# Variables

$ResourceGroupName  = "efgh001"

$WebAppName = "abcd001"

$WebAppServicePlanName = "wxyz001"

$tier = "PremiumV2"

$workerSize = "Large"

# Display current webapp service plan size

$myAppServicePlan = Get-AzAppServicePlan -Name $WebAppServicePlanName -ResourceGroupName $ResourceGroupName

Write-Host "Current AppServicePlan Size is"  $myAppServicePlan.Sku.Size

#Stoping webjobs by setting WEBJOBS_STOPPED to 1 

$myWebApp = Get-AzWebApp -ResourceGroupName $ResourceGroupName -Name $WebAppName

$appsettingsCurrent =  $myWebApp.SiteConfig.AppSettings

$appSettingsNew = @{}

foreach ($kvp in $appsettingsCurrent) {

$appSettingsNew[$kvp.Name] = $kvp.Value

}

$appSettingsNew["WEBJOBS_STOPPED"] = "1"

Set-AzWebApp -ResourceGroupName $ResourceGroupName -Name $WebAppName -AppSettings $appSettingsNew  

#Upgrade AppServicePlan size

Set-AzAppServicePlan -Name $WebAppServicePlanName -ResourceGroupName $ResourceGroupName -Tier $tier  -WorkerSize $workerSize

# Display updated webapp service plan size

$myAppServicePlan = Get-AzAppServicePlan -Name $WebAppServicePlanName -ResourceGroupName $ResourceGroupName

Write-Host "Updated AppServicePlan Size is"  $myAppServicePlan.Sku.Size

#Starting webjobs by setting WEBJOBS_STOPPED to 0 

$myWebApp = Get-AzWebApp -ResourceGroupName $ResourceGroupName -Name $WebAppName

$appsettingsCurrent =  $myWebApp.SiteConfig.AppSettings

$appSettingsNew = @{}

foreach ($kvp in $appsettingsCurrent) {

$appSettingsNew[$kvp.Name] = $kvp.Value

}

$appSettingsNew["WEBJOBS_STOPPED"] = "0"

Set-AzWebApp -ResourceGroupName $ResourceGroupName -Name $WebAppName -AppSettings $appSettingsNew