Framework/Core/SVT/Services/ContainerInstances.ps1

Set-StrictMode -Version Latest 
class ContainerInstances: AzSVTBase
{       
    hidden [PSObject] $ResourceObject;

    ContainerInstances([string] $subscriptionId, [SVTResource] $svtResource): 
        Base($subscriptionId, $svtResource) 
    { 
        $this.GetResourceObject();
    }

    hidden [PSObject] GetResourceObject()
    {
        if (-not $this.ResourceObject) 
        {
           # $this.ResourceObject = Get-AzureRmContainerGroup -Name $this.ResourceContext.ResourceName `
                                            #-ResourceGroupName $this.ResourceContext.ResourceGroupName -ErrorAction SilentlyContinue

            $this.ResourceObject = Get-AzResource -Name $this.ResourceContext.ResourceName `
                                            -ResourceGroupName $this.ResourceContext.ResourceGroupName -ExpandProperties

            if(-not $this.ResourceObject)
            {
                throw ([SuppressedException]::new(("Resource '{0}' not found under Resource Group '{1}'" -f ($this.ResourceContext.ResourceName), ($this.ResourceContext.ResourceGroupName)), [SuppressedExceptionType]::InvalidOperation))
            }
        }
        return $this.ResourceObject;
    }

    hidden [ControlResult] CheckPublicIPAndPorts([ControlResult] $controlResult)
    {
        if([Helpers]::CheckMember($this.ResourceObject, "properties.ipAddress"))
        {
            $controlResult.VerificationResult = [VerificationResult]::Verify; 
            $controlResult.SetStateData("Public IP address and ports assigned to the container", $this.ResourceObject.properties.ipAddress);
            $controlResult.AddMessage([MessageData]::new("Review following public IP address and ports assignment to the container - ["+ $this.ResourceContext.ResourceName +"]",
                                $this.ResourceObject.properties.ipAddress));
        }
        else
        {
            $controlResult.AddMessage([VerificationResult]::Passed, 
                            [MessageData]::new("No public IP address has been assigned to the container - ["+ $this.ResourceContext.ResourceName +"]"));
        }
  
        return $controlResult;
    }

    hidden [ControlResult] CheckContainerImage([ControlResult] $controlResult)
    {
        $controlResult.VerificationResult = [VerificationResult]::Verify; 
        if([Helpers]::CheckMember($this.ResourceObject, "properties.containers"))
        {
            $containerImages = @();
            $containerImages += $this.ResourceObject.properties.containers | Select-Object name, @{ Label="image"; Expression={ $_.properties.image } };
            if($containerImages.Count -ne 0)
            {
                $controlResult.SetStateData("Containers and their images", $containerImages);
                $controlResult.AddMessage([MessageData]::new("Review following images utilized by containers. Make sure their source is trustworthy.",
                                    $containerImages));
            }
            else
            {
                $controlResult.AddMessage([MessageData]::new("No containers are found under container group - ["+ $this.ResourceContext.ResourceName +"]"));
            }    
        }
        else
        {
            $controlResult.AddMessage([MessageData]::new("No containers are found under container group - ["+ $this.ResourceContext.ResourceName +"]"));
        }
  
        return $controlResult;
    }    

    hidden [ControlResult] CheckRegistry([ControlResult] $controlResult)
    {
        $controlResult.VerificationResult = [VerificationResult]::Verify; 
        if([Helpers]::CheckMember($this.ResourceObject, "Properties.imageRegistryCredentials"))
        {
            $registry = @();
            $registry += $this.ResourceObject.Properties.imageRegistryCredentials | Select-Object server | Select-Object -ExpandProperty server -Unique;
            if($registry.Count -ne 0)
            {
                $controlResult.SetStateData("Container registry", $registry);
                $controlResult.AddMessage([MessageData]::new("Make sure the following registry is trustworthy.",
                                    $registry));
            }
            else
            {
                $controlResult.AddMessage([MessageData]::new("Containers are utilizing default public registry for container group - ["+ $this.ResourceContext.ResourceName +"]"));
            }    
        }
        else
        {
            $controlResult.AddMessage([MessageData]::new("Containers are utilizing default public registry for container group - ["+ $this.ResourceContext.ResourceName +"]"));
        }
  
        return $controlResult;
    }
    
    hidden [ControlResult] CheckContainerTrust([ControlResult] $controlResult)
    {
        if([Helpers]::CheckMember($this.ResourceObject, "properties.containers"))
        {
            $containers = @();
            $containers += $this.ResourceObject.properties.containers | Select-Object name | Select-Object -ExpandProperty name;

            if($containers.Count -gt 1)
            {
                $controlResult.SetStateData("Containers", $containers);
                $controlResult.AddMessage([VerificationResult]::Verify, [MessageData]::new("Make sure that following containers trust each other.",
                                    $containers));
            }
            elseif($containers.Count -eq 1)
            {
                $controlResult.AddMessage([VerificationResult]::Passed, 
                                            [MessageData]::new("Only 1 container is found under container group - ["+ $this.ResourceContext.ResourceName +"]", $containers));
            }
            else
            {
                $controlResult.AddMessage([VerificationResult]::Passed, [MessageData]::new("No containers are found under container group - ["+ $this.ResourceContext.ResourceName +"]"));
            }
        }
        else
        {
            $controlResult.AddMessage([VerificationResult]::Passed, [MessageData]::new("No containers are found under container group - ["+ $this.ResourceContext.ResourceName +"]"));
        }
  
        return $controlResult;
    }
}