Using PowerShell DSC with AWS Cloud and CloudFormation
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This document discusses various methods for configuring AWS EC2 instances using PowerShell Desired State Configuration (DSC) including push configuration, pull configuration via a pull service running on another EC2 instance, and configuration via the Azure Automation DSC pull service. It also discusses using AWS CloudFormation templates to define the deployment of multi-tier applications on EC2 along with dependencies between tiers. Demos are provided of creating a basic CloudFormation stack, using DSC configuration within a CloudFormation template, and onboarding new EC2 instances via a pull service configuration.
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Using PowerShell DSC with AWS Cloud and CloudFormation
- 1. PowerShell Conference Asia AWS (EC2|CloudFormation) and PowerShell Desired State Configuration Ravikanth Chaganti @Ravikanth Microsoft MVP (Windows PowerShell & Microsoft Azure)
- 2. PowerShell Conference Singapore 2016 AGENDA • PowerShell DSC configuration delivery methods and AWS EC2 • Why CloudFormation? • CloudFormation and DSC - Know How’s Demo Scripts: http://azrs.tk/cfnatpsconf
- 3. PowerShell Conference Singapore 2016 PowerShell DSC - Delivering Configuration
- 4. PowerShell Conference Singapore 2016 Demo – Configuration via Push • Requires WinRM configuration - HTTP (5985) or - HTTPS (5986) • Requires relevant firewall rules inside EC2 instance • Requires local administrator or equivalent credentials
- 5. PowerShell Conference Singapore 2016 Demo – Pull Configuration via Pull Service on EC2 • Requires an additional EC2 Windows instance • Requires security group configuration to allow the pull server web services access • Requires AWS credentials • Access and Shared keys
- 6. PowerShell Conference Singapore 2016 Demo – Pull Configuration via Pull Service on EC2 and onboarding via SSM Command • Requires an additional EC2 Windows instance • Requires security group configuration to allow the pull server web services access • Requires AWS credentials • Access and Shared keys • Requires meta-configuration stored in a blob
- 7. PowerShell Conference Singapore 2016 Demo – Bootstrapping new EC2 instance via Pull Service on EC2 • Requires an additional EC2 Windows instance • Requires security group configuration to allow the pull server web services access • Requires AWS credentials • Access and Shared keys • Requires meta-configuration stored in a blob • Requires AWS PowerShell tools
- 8. PowerShell Conference Singapore 2016 Demo – Configuration via AA DSC Pull Service • Requires Azure subscription • Requires connectivity to Azure Automation • Internet or • VPN • Requires AWS credentials • Access and Shared keys
- 9. PowerShell Conference Singapore 2016 Why CloudFormation? • Typical enterprise application deployments are multi-tier • Each tier may have multiple instances • Dependencies exist between tiers • Individual instance deployment is not scalable • Not DevOps friendly • Must treat an entire application service deployment as a single entity • CloudFormation enables this definition via a declarative and JSON or YAML based template language
- 10. PowerShell Conference Singapore 2016 CloudFormation – Template Syntax { "AWSTemplateFormatVersion": "version date", "Description": "JSON string", "Metadata": { templatemetadata }, "Parameters": { setofparameters }, "Mappings": { setofmappings }, "Conditions": { setofconditions }, "Resources": { setofresources }, "Outputs": { setofoutputs } } JSON --- AWSTemplateFormatVersion: "version date" Description: String Metadata: template metadata Parameters: set of parameters Mappings: set of mappings Conditions: set of conditions Resources: set of resources Outputs: set of outputs YAML
- 11. PowerShell Conference Singapore 2016 Demo – First CFN Template • Requires a keypair name • Requires security group configuration to allow RDP and web service access • Deployment via • Console • PowerShell Tools
- 12. PowerShell Conference Singapore 2016 Demo – DSC Configuration via CFN Template • Requires a keypair name • Requires security group configuration to allow RDP and web service access • Requires DSC configuration stored in a place accessible to CFN • Deployment via • Console • PowerShell Tools
- 13. PowerShell Conference Singapore 2016 Summary • Several ways to onboard EC2 instances • Understand CFN helper scripts when using CloudFormation • xCloud services are certainly helpful
- 14. PowerShell Conference Singapore 2016 Don’t Forget! • Fill in your survey – it’s how we do better! • Don’t lose your badge! You need it for the Social Events • Grab the Speakers for a chat – they all have time for you! • Let everyone know what they are missing on Social Media #PowerShell #PSConfAsia Tweets (preferably with Pictures) win Prizes!!!! Photos of Marina Bay Credit: Sebastian Szumigalski