Add the alerts to the azure paas services

function Get-IsAlertNotSameasConfigured {
param(
[PSCustomObject]$existingRule,
        [PSCustomObject]$configuredAlertDataSource
)
 
if(($existingRule.DataSource.MetricName -eq $configuredAlertDataSource.metric) -and ($existingRule.Operator -eq $configuredAlertDataSource.operator) -and ($existingRule.Threshold -eq $configuredAlertDataSource.threshold) -and ($existingRule.TimeAggregation -eq $configuredAlertDataSource.timeAggregationOperator) -and ($existingRule.WindowsSize -eq $configuredAlertDataSource.windowSize))
    {
        return $true
    }
    else
    {
        return $false
    }

}


$resoureName = "Testing123girish"
$resourceGroupName = "Testing123girish"

$resource = Get-AzureRmResource  -ResourceGroupName $resourceGroupName -ResourceName $resoureName
$existingRules = Get-AzureRmAlertRule -ResourceGroup $resourceGroupName -TargetResourceId $resource.ResourceId -DetailedOutput
$configuredAlerts = (Get-Content -Raw -Path C:\Users\v-gigoud\Desktop\xslt\alert.json | ConvertFrom-Json).alerts 
if($existingRules -eq $null)
{
    $metricDefintions = Get-AzureRmMetricDefinition -ResourceId $resource.ResourceId
    foreach($configuredAlert in $configuredAlerts)
    {
        $metricPresent= $false
        foreach($metricDefintion in $metricDefintions)
        {
            if($metricDefintion.Name.LocalizedValue -contains $configuredAlert.metric)
            {
                 $metricPresent= $true
            }

        }
        if(!$metricPresent)
        {
            write-host "Metrics $($configuredAlert.metric) Not found for this resource, Skipping adding the alert rule"
        }
        else
        {
             write-host "Metrics $($configuredAlert.metric) found for this resource, Adding the alert rule"
             $actionEmail = New-AzureRmAlertRuleEmail -CustomEmail myname@company.com
           
            Add-AzureRmMetricAlertRule -Name ($configuredAlert.metric + $configuredAlert.operator + $configuredAlert.threshold) `
            -ResourceGroup $resourceGroupName `
            -Location $resource.Location `
            -TargetResourceId $resource.ResourceId `
            -MetricName $configuredAlert.metric`
            -Operator $configuredAlert.operator `
            -Threshold $configuredAlert.threshold `
            -WindowSize $configuredAlert.windowSize `
            -TimeAggregationOperator $configuredAlert.timeAggregationOperator `
            -Description ($configuredAlert.metric) `
            -Actions $actionEmail
           
        }

    }

}
else
{
    write-host "The existing rules will be checked with the configuration specified"
    foreach($existingRule in $existingRules)
    {
        write-host "The configuration alerts will be checked for existing rule $($existingRule.Name)"
        $metricFound = $false
        foreach($configuredAlert in $configuredAlerts)
        {
           if(Get-IsAlertNotSameasConfigured $existingRule.Properties.Condition  $configuredAlert)
           {
               $metricFound = $true
               break
           }
           else
           {
                if($metricFound -eq $true)
                {
                     write-host "The alerts are already present $($existingRule.Name)"
                }
                else
                {
                    $metricDefintions = Get-AzureRmMetricDefinition -ResourceId $resource.ResourceId
                    foreach($configuredAlert in $configuredAlerts)
                    {
                        $metricPresent= $false
                        foreach($metricDefintion in $metricDefintions)
                        {
                            if($metricDefintion.Name.LocalizedValue -contains $configuredAlert.metric)
                            {
                                 $metricPresent= $true
                            }

                        }
                        if(!$metricPresent)
                        {
                            write-host "Metrics $($configuredAlert.metric) Not found for this resource, Skipping adding the alert rule"
                        }
                        else
                        {
                             write-host "Metrics $($configuredAlert.metric) found for this resource, Adding the alert rule"
                             $actionEmail = New-AzureRmAlertRuleEmail -CustomEmail myname@company.com
           
                            Add-AzureRmMetricAlertRule -Name ($configuredAlert.metric + $configuredAlert.operator + $configuredAlert.threshold) `
                            -ResourceGroup $resourceGroupName `
                            -Location $resource.Location `
                            -TargetResourceId $resource.ResourceId `
                            -MetricName $configuredAlert.metric`
                            -Operator $configuredAlert.operator `
                            -Threshold $configuredAlert.threshold `
                            -WindowSize $configuredAlert.windowSize `
                            -TimeAggregationOperator $configuredAlert.timeAggregationOperator `
                            -Description ($configuredAlert.metric) `
                            -Actions $actionEmail
           
                        }

                    }
                                   
                }
            }
        }
       
    }
}