AzSKPreview

3.0.2

Framework/Abstracts/AzSKRoot.ps1

Set-StrictMode -Version Latest
class AzSKRoot: EventBase
{ 
    [SubscriptionContext] $SubscriptionContext;
    [bool] $RunningLatestPSModule = $true;

    AzSKRoot([string] $subscriptionId)
    {   
        [Helpers]::AbstractClass($this, [AzSKRoot]);
        
        #Validate SubId
        [Guid] $validatedId = [Guid]::Empty;
        if([Guid]::TryParse($subscriptionId, [ref] $validatedId))
        {
            #Set up subscription
            $this.SubscriptionContext = [SubscriptionContext]@{
                SubscriptionId = $validatedId.Guid;
                Scope = "/subscriptions/$($validatedId.Guid)";
            };

            $this.SetAzureContext();
        }
        else
        {
            throw [SuppressedException] ("Subscription Id [$subscriptionId] is malformed. Subscription Id should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).")
        }
    }    
    
    hidden [void] SetAzureContext()
    {
        $currentContext = Get-AzureRmContext -ErrorAction Stop   

        if((-not $currentContext) -or ($currentContext -and ((-not $currentContext.Subscription -and ($this.SubscriptionContext.SubscriptionId -ne [Constants]::BlankSubscriptionId)) `
                -or -not $currentContext.Account)))
        {
            $this.PublishCustomMessage("No active Azure login session found. Initiating login flow...", [MessageType]::Warning);

            if($this.SubscriptionContext.SubscriptionId -ne [Constants]::BlankSubscriptionId)
            {
                $rmLogin = Add-AzureRmAccount -SubscriptionId $this.SubscriptionContext.SubscriptionId
            }
            else
            {
                $rmLogin = Add-AzureRmAccount
            }
            
            if($rmLogin)
            {
                $currentContext = $rmLogin.Context;
            }
        }

        if($currentContext -and $currentContext.Subscription -and $currentContext.Subscription.Id)
        {
            if(($currentContext.Subscription.Id -ne $this.SubscriptionContext.SubscriptionId) -and ($this.SubscriptionContext.SubscriptionId -ne [Constants]::BlankSubscriptionId))
            {
                $currentContext = Set-AzureRmContext -SubscriptionId $this.SubscriptionContext.SubscriptionId -ErrorAction Stop   
            
                # $currentContext will contain the desired subscription (or $null if id is wrong or no permission)
                if ($null -eq $currentContext)
                {
                    throw [SuppressedException] ("Invalid Subscription Id [" + $this.SubscriptionContext.SubscriptionId + "]") 
                }
            }
            elseif(($currentContext.Subscription.Id -ne $this.SubscriptionContext.SubscriptionId) -and ($this.SubscriptionContext.SubscriptionId -eq [Constants]::BlankSubscriptionId))
            {
                $this.SubscriptionContext.SubscriptionId = $currentContext.Subscription.Id
                $this.SubscriptionContext.SubscriptionName = $currentContext.Subscription.Name
                $this.SubscriptionContext.Scope = "/subscriptions/" +$currentContext.Subscription.Id
            }
        }
        elseif($null -ne $currentContext -and ($this.SubscriptionContext.SubscriptionId -eq [Constants]::BlankSubscriptionId))
        {
            $this.SubscriptionContext.SubscriptionName = [Constants]::BlankSubscriptionName
        }
        else
        {
            throw [SuppressedException] ("Subscription Id [" + $this.SubscriptionContext.SubscriptionId + "] is invalid or you may not have permissions.")
        }

        if ($null -ne $currentContext -and [Helpers]::CheckMember($currentContext, "Subscription"))
        {
            $this.SubscriptionContext.SubscriptionName = $currentContext.Subscription.Name;
        }
    }

    [PSObject] LoadServerConfigFile([string] $fileName)
    {
        return [ConfigurationManager]::LoadServerConfigFile($fileName);
    }    

    hidden [AzSKRootEventArgument] CreateRootEventArgumentObject() 
    {
        return [AzSKRootEventArgument]@{
            SubscriptionContext = $this.SubscriptionContext;
        };
    }

    hidden [void] PublishAzSKRootEvent([string] $eventType, [MessageData[]] $messages) 
    {
        [AzSKRootEventArgument] $arguments = $this.CreateRootEventArgumentObject();

        if($messages)
        {
            $arguments.Messages += $messages;
        }

        $this.PublishEvent($eventType, $arguments);
    }

    hidden [void] PublishAzSKRootEvent([string] $eventType, [string] $message, [MessageType] $messageType) 
    {
        if (-not [string]::IsNullOrEmpty($message)) 
        {
            [MessageData] $data = [MessageData]@{
                Message = $message;
                MessageType = $messageType;
            };
            $this.PublishAzSKRootEvent($eventType, $data);
        }
        else 
        {
            [MessageData[]] $blankMessages = @();
            $this.PublishAzSKRootEvent($eventType, $blankMessages);
        }        
    }

    hidden [void] PublishAzSKRootEvent([string] $eventType, [PSObject] $dataObject) 
    {
        if ($dataObject) 
        {
            [MessageData] $data = [MessageData]@{
                DataObject = $dataObject;
            };
            $this.PublishAzSKRootEvent($eventType, $data);
        }
        else 
        {
            [MessageData[]] $blankMessages = @();
            $this.PublishAzSKRootEvent($eventType, $blankMessages);
        }        
    }

    [MessageData[]] PublishCustomMessage([MessageData[]] $messages) 
    {
        if($messages)
        {
            $this.PublishAzSKRootEvent([AzSKRootEvent]::CustomMessage, $messages);
            return $messages;
        }
        return @();
    }
    [CustomData] PublishCustomData([CustomData] $CustomData) 
    {
        if($CustomData)
        {
            $this.PublishAzSKRootEvent([AzSKRootEvent]::PublishCustomData, $CustomData);
            return $CustomData;
        }
        return $null;
    }
    
    [void] CommandProcessing([MessageData[]] $messages) 
    {
        if($messages)
        {
            $this.PublishAzSKRootEvent([AzSKRootEvent]::CommandProcessing, $messages);
        }
    }

    [void] PublishRunIdentifier([System.Management.Automation.InvocationInfo] $invocationContext) 
    {
        if($invocationContext)
        {
            $this.InvocationContext = $invocationContext;
        }
        $this.RunIdentifier = $this.GenerateRunIdentifier();
        $this.PublishAzSKRootEvent([AzSKRootEvent]::GenerateRunIdentifier, [MessageData]::new($this.RunIdentifier, $invocationContext));
    }

    [bool] IsLatestVersionConfiguredOnSub([String] $ConfigVersion,[string] $TagName,[string] $FeatureName)
    {
        $IsLatestVersionPresent = $this.IsLatestVersionConfiguredOnSub($ConfigVersion,$TagName)
        if($IsLatestVersionPresent){
            $this.PublishCustomMessage("$FeatureName configuration in your subscription is already up to date. If you would like to reconfigure, please rerun the command with '-Force' parameter.");
        }                
        return $IsLatestVersionPresent        
    }

    [bool] IsLatestVersionConfiguredOnSub([String] $ConfigVersion,[string] $TagName)
    {
        $IsLatestVersionPresent = $false
        $tagsOnSub =  [Helpers]::GetResourceGroupTags([ConfigurationManager]::GetAzSKConfigData().AzSKRGName) 
        if($tagsOnSub)
        {
            $SubConfigVersion= $tagsOnSub.GetEnumerator() | Where-Object {$_.Name -eq $TagName -and $_.Value -eq $ConfigVersion}
            
            if(($SubConfigVersion | Measure-Object).Count -gt 0)
            {
                $IsLatestVersionPresent = $true                
            }            
        }
        return $IsLatestVersionPresent        
    }
}