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Checklist | Description |
AWS Access Key | AWS Access Key of the user. |
AWS Secret Key | Password for the Access Key |
AWS Default Region | Default region can be set. eg. ap-south-1 |
AWS CLI installationInstallation | AWS CLI needs to be installed where the plugin operation shall run (FlexDeploy server) |
AWS CLI in class path | AWS CLI should be added to the class path on the FlexDeploy Server. Else the path can also be set under FlexDeploy environment level property |
AWS Lambda Function | AWS Lambda Function should be already present. |
AWS KMS Key | AWS KMS key to secured the environment variable. |
Configure Cloud
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Account
To connect with AWS Lambda Function, we required to configure Cloud account, with credentials details. Configure AWS Cloud Account under Integration. FlexDeploy will connect to the Lambda Function and add the environment variables.
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To create or update the Lambda Alias we can use the upsertLambdaAlias operation available in the AWS plugin, please refer to the tutorial document for more information.
Create AWS S3
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Bucket
Amazon Simple Storage Service (Amazon S3) is an object storage service offering industry-leading scalability, data availability, security, and performance. Customers of all sizes and industries can store and protect any amount of data for virtually any use case, such as data lakes, cloud-native applications, and mobile apps. With cost-effective storage classes and easy-to-use management features, you can optimize costs, organize data, and configure fine-tuned access controls to meet specific business, organizational, and compliance requirements.Please refer to the link for more information https://aws.amazon.com/s3/
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We have enabled the object versioning, we can see the details about different versions.
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Git
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Repository Structure
The Git repository contains the Environment file. The Sample Git repository structure is given below.
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Pre-requisite
Configure IAM
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User
To access the Lambda Function we need to create an AWS IAM account with required permissions. To create the AWS IAM user navigate to the AWS Identity and Access Management (IAM) service page, and click on the Add users option. Next assign the required permission to access the Lambda Function. Once user is created, AWS secret key can be generated, this key we have to configure in Cloud account.
For more information about IAM user please ref. IAM users - AWS Identity and Access Management
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CLI
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Installation
AWS CLI should be installed in the m/c where the plugin is to be executed. Preferably add AWS CLI path in m/c classpath.
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AWS CLI path can be set as environment property, if it’s not set then by default plugin will check for CLI in system classpath.
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Override Properties at Project
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Level
Let assume a scenario, where we want to change Cloud account for any specific project. Apart from setting at environment level, it can also be set at project properties by using Override Property. Please check below mentioned steps.
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Once the deploy execution completed we can see that new function version is published and 20% of traffic will shift to this newly published version 21 ( Green deployment ) and remaining 80% will shift to old, stable version 20 . ( Blue deployment ).
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API Gateway to
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Create API and
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Verify Blue/Green Deployment
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. APIs act as the "front door" for applications to access data, business logic, or functionality from our backend services. Using API Gateway, we can create RESTful APIs and WebSocket. We can create a web API with an HTTP endpoint for our Lambda function by using Amazon API Gateway. API Gateway provides tools for creating and documenting web APIs that route HTTP requests to Lambda functions. Resources in our API define one or more methods, such as GET or POST. Methods have an integration that routes requests to a Lambda function or another integration type. We are going to use Prod Alias to configure with API Gateway.
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