Introducing AWS Systems Manager Change Manager

Because you are constantly listening to the feedback from your customer, you are iterating, innovating, and improving your applications and infrastructures. You continually modify your IT systems in the cloud. And let’s face it, changing something in a working system risks breaking things or introducing side effects that are sometimes unpredictable; it doesn’t matter how many tests you do. On the other hand, not making changes is stasis, followed by irrelevance, followed by death.

This is why organizations of all sizes and types have embraced a culture of controlling changes. Some organizations adopt change management processes such as the ones defined in ITIL v4. Some have adopted DevOps’ Continuous Deployment, or other methods. In any case, to support your change management processes, it is important to have tools.

Today, we are launching AWS Systems Manager Change Manager, a new change management capability for AWS Systems Manager. It simplifies the way ops engineers track, approve, and implement operational changes to their application configurations and infrastructures.

#announcements #aws re:invent #aws systems manager #aws

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Introducing AWS Systems Manager Change Manager

Because you are constantly listening to the feedback from your customer, you are iterating, innovating, and improving your applications and infrastructures. You continually modify your IT systems in the cloud. And let’s face it, changing something in a working system risks breaking things or introducing side effects that are sometimes unpredictable; it doesn’t matter how many tests you do. On the other hand, not making changes is stasis, followed by irrelevance, followed by death.

This is why organizations of all sizes and types have embraced a culture of controlling changes. Some organizations adopt change management processes such as the ones defined in ITIL v4. Some have adopted DevOps’ Continuous Deployment, or other methods. In any case, to support your change management processes, it is important to have tools.

Today, we are launching AWS Systems Manager Change Manager, a new change management capability for AWS Systems Manager. It simplifies the way ops engineers track, approve, and implement operational changes to their application configurations and infrastructures.

#announcements #aws re:invent #aws systems manager #aws

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New – AWS Systems Manager Fleet Manager

Organizations, and their systems administrators, routinely face challenges in managing increasingly diverse portfolios of IT infrastructure across cloud and on-premises environments. Different tools, consoles, services, operating systems, procedures, and vendors all contribute to complicate relatively common, and related, management tasks. As workloads are modernized to adopt Linux and open-source software, those same systems administrators, who may be more familiar with GUI-based management tools from a Windows background, have to continually adapt and quickly learn new tools, approaches, and skill sets.

AWS Systems Manager is an operational hub enabling you to manage resources on AWS and on-premises. Available today, Fleet Manager is a new console based experience in Systems Manager that enables systems administrators to view and administer their fleets of managed instances from a single location, in an operating-system-agnostic manner, without needing to resort to remote connections with SSH or RDP. As described in the documentation, managed instances includes those running Windows, Linux, and macOS operating systems, in both the AWS Cloud and on-premises. Fleet Manager gives you an aggregated view of your compute instances regardless of where they exist.

#aws re:invent #aws systems manager #aws

New – AWS Systems Manager Consolidates Application Management

A desire for consolidated, and simplified operational oversight isn’t limited to just cloud infrastructure. Increasingly, customers ask us for a “single pane of glass” approach for also monitoring and managing their application portfolios.

These customers tell us that detection and investigation of application issues takes additional time and effort, due to the typical use of multiple consoles, tools, and sources of information such as resource usage metrics, logs, and more, to enable their DevOps engineers to obtain context about the application issue under investigation. Here, an “application” means not just the application code but also the logical group of resources that act as a unit to host the application, along with ownership boundaries for operators, and environments such as development, staging, and production.

Today, I’m pleased to announce a new feature of AWS Systems Manager, called Application Manager. Application Manager aggregates operational information from multiple AWS services and Systems Manager capabilities into a single console, making it easier to view operational data for your applications.

#announcements #aws re:invent #aws systems manager #aws

How To Unite AWS KMS with Serverless Application Model (SAM)

The Basics

AWS KMS is a Key Management Service that let you create Cryptographic keys that you can use to encrypt and decrypt data and also other keys. You can read more about it here.

Important points about Keys

Please note that the customer master keys(CMK) generated can only be used to encrypt small amount of data like passwords, RSA key. You can use AWS KMS CMKs to generate, encrypt, and decrypt data keys. However, AWS KMS does not store, manage, or track your data keys, or perform cryptographic operations with data keys.

You must use and manage data keys outside of AWS KMS. KMS API uses AWS KMS CMK in the encryption operations and they cannot accept more than 4 KB (4096 bytes) of data. To encrypt application data, use the server-side encryption features of an AWS service, or a client-side encryption library, such as the AWS Encryption SDK or the Amazon S3 encryption client.

Scenario

We want to create signup and login forms for a website.

Passwords should be encrypted and stored in DynamoDB database.

What do we need?

1. KMS key to encrypt and decrypt data
2. DynamoDB table to store password.
3. Lambda functions & APIs to process Login and Sign up forms.
4. Sign up/ Login forms in HTML.

Lets Implement it as Serverless Application Model (SAM)!

Lets first create the Key that we will use to encrypt and decrypt password.

KmsKey:
    Type: AWS::KMS::Key
    Properties: 
      Description: CMK for encrypting and decrypting
      KeyPolicy:
        Version: '2012-10-17'
        Id: key-default-1
        Statement:
        - Sid: Enable IAM User Permissions
          Effect: Allow
          Principal:
            AWS: !Sub arn:aws:iam::${AWS::AccountId}:root
          Action: kms:*
          Resource: '*'
        - Sid: Allow administration of the key
          Effect: Allow
          Principal:
            AWS: !Sub arn:aws:iam::${AWS::AccountId}:user/${KeyAdmin}
          Action:
          - kms:Create*
          - kms:Describe*
          - kms:Enable*
          - kms:List*
          - kms:Put*
          - kms:Update*
          - kms:Revoke*
          - kms:Disable*
          - kms:Get*
          - kms:Delete*
          - kms:ScheduleKeyDeletion
          - kms:CancelKeyDeletion
          Resource: '*'
        - Sid: Allow use of the key
          Effect: Allow
          Principal:
            AWS: !Sub arn:aws:iam::${AWS::AccountId}:user/${KeyUser}
          Action:
          - kms:DescribeKey
          - kms:Encrypt
          - kms:Decrypt
          - kms:ReEncrypt*
          - kms:GenerateDataKey
          - kms:GenerateDataKeyWithoutPlaintext
          Resource: '*'

The important thing in above snippet is the KeyPolicy. KMS requires a Key Administrator and Key User. As a best practice your Key Administrator and Key User should be 2 separate user in your Organisation. We are allowing all permissions to the root users.

So if your key Administrator leaves the organisation, the root user will be able to delete this key. As you can see **KeyAdmin **can manage the key but not use it and KeyUser can only use the key. ${KeyAdmin} and **${KeyUser} **are parameters in the SAM template.

You would be asked to provide values for these parameters during SAM Deploy.

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