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281import * as cdk from "aws-cdk-lib";
import * as image_builder from "aws-cdk-lib/aws-imagebuilder"
import * as iam from "aws-cdk-lib/aws-iam";
import { Function, Runtime, Code } from "aws-cdk-lib/aws-lambda";
import { LambdaSubscription } from 'aws-cdk-lib/aws-sns-subscriptions';
import { Vpc } from './networking';
import { Topic } from 'aws-cdk-lib/aws-sns';
import { Construct } from "constructs";
import { ImageBuilderConfig, VpcConfig } from "./config";
import { aws_logs as logs } from 'aws-cdk-lib';
import { MachineImage, SubnetType, SecurityGroup } from 'aws-cdk-lib/aws-ec2';
import { readFileSync } from "fs";
type ImageBuilderProperties = {
pipeline_name: string;
recipe_name: string;
profile_name: string;
comp_name: string;
comp_id: string;
infra_config_name: string;
baseimageArn: string;
description: string;
compFilePath: string;
snsTopicArn: string;
subnetId: string;
sgId: string;
}
type RecordLambdaProperties = {
name: string;
id: string;
role: iam.Role;
ssm_key: string;
topic: Topic,
}
function CreateImagePipeline(
stack: ImageBuilderStack,
role: iam.Role,
props: ImageBuilderProperties,
): string {
const component = new image_builder.CfnComponent(stack, props.comp_id, {
name: props.comp_name,
description: props.description,
platform: "Linux",
version: "1.0.1",
data: readFileSync(props.compFilePath).toString(),
})
let instance_profile = new iam.CfnInstanceProfile(stack, props.profile_name, { instanceProfileName: props.profile_name, roles: [role.roleName] })
const squid_recipe = new image_builder.CfnImageRecipe(stack, props.recipe_name, {
name: props.recipe_name,
version: "1.0.4",
components: [
{ "componentArn": component.attrArn }
],
parentImage: props.baseimageArn,
})
let squid_infra_config = new image_builder.CfnInfrastructureConfiguration(stack, props.infra_config_name, {
name: props.infra_config_name,
instanceTypes: ["t3.medium"],
instanceProfileName: props.profile_name,
snsTopicArn: props.snsTopicArn,
subnetId: props.subnetId,
securityGroupIds: [props.sgId]
})
squid_infra_config.addDependency(instance_profile)
let pipeline = new image_builder.CfnImagePipeline(stack, props.pipeline_name, {
name: props.pipeline_name,
imageRecipeArn: squid_recipe.attrArn,
infrastructureConfigurationArn: squid_infra_config.attrArn
})
pipeline.addDependency(squid_infra_config)
return pipeline.attrArn
}
export class ImageBuilderStack extends cdk.Stack {
constructor(scope: Construct, config: ImageBuilderConfig) {
super(scope, config.name, {
stackName: config.name,
});
let vpcConfig: VpcConfig = {
name: "imagebuilder-vpc",
maxAzs: 2,
};
const envoy_channel = new Topic(this, 'ImgBuilderNotificationTopicEnvoy', {});
const squid_channel = new Topic(this, 'ImgBuilderNotificationTopicSquid', {});
const base_channel = new Topic(this, 'ImgBuilderNotificationTopicBase', {});
let vpc = new Vpc(this, vpcConfig);
let subnetId = vpc.vpc.selectSubnets({ subnetType: SubnetType.PUBLIC }).subnetIds[0];
let ib_SG = new SecurityGroup(this, 'image-server-sg', {
vpc: vpc.vpc,
allowAllOutbound: true,
description: 'security group for a image builder server',
});
let role = new iam.Role(this, "StationRole", { roleName: "StationRole", assumedBy: new iam.ServicePrincipal("ec2.amazonaws.com") })
role.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName("AmazonSSMManagedInstanceCore"))
role.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName("EC2InstanceProfileForImageBuilder"))
const base_image_id = config.ami_id || MachineImage.latestAmazonLinux2023().getImage(this).imageId
let squid_properties = {
pipeline_name: "SquidImagePipeline",
recipe_name: "SquidImageRecipe",
profile_name: "SquidStationInstanceProfile",
comp_name: "HyperswitchSquidImageBuilder",
comp_id: "install_squid_component",
infra_config_name: "SquidInfraConfig",
baseimageArn: base_image_id,
description: "Image builder for squid",
compFilePath: "./components/squid.yml",
sgId: ib_SG.securityGroupId,
subnetId: subnetId,
snsTopicArn: squid_channel.topicArn,
};
let envoy_arn = CreateImagePipeline(
this,
role,
squid_properties,
)
let envoy_properties = {
pipeline_name: "EnvoyImagePipeline",
recipe_name: "EnvoyImageRecipe",
profile_name: "EnvoyStationProfile",
comp_name: "HyperswitchEnvoyImageBuilder",
comp_id: "install_envoy_component",
infra_config_name: "EnvoyInfraConfig",
baseimageArn: base_image_id,
description: "Image builder for Envoy",
compFilePath: "./components/envoy.yml",
sgId: ib_SG.securityGroupId,
subnetId: subnetId,
snsTopicArn: envoy_channel.topicArn,
};
let squid_arn = CreateImagePipeline(
this,
role,
envoy_properties,
)
let base_properties = {
pipeline_name: "BaseImagePipeline",
recipe_name: "BaseImageRecipe",
profile_name: "BaseStationProfile",
comp_name: "HyperswitchBaseImageBuilder",
comp_id: "install_base_component",
infra_config_name: "BaseInfraConfig",
baseimageArn: base_image_id,
description: "Image builder for Base Image",
compFilePath: "./components/base.yml",
sgId: ib_SG.securityGroupId,
subnetId: subnetId,
snsTopicArn: base_channel.topicArn,
};
let base_arn = CreateImagePipeline(
this,
role,
base_properties,
)
const start_ib_code = readFileSync(
"lib/aws/lambda/start_ib.py",
).toString();
const lambda_policy = new iam.PolicyDocument({
statements: [
new iam.PolicyStatement({
effect: iam.Effect.ALLOW,
actions: ['imagebuilder:StartImagePipelineExecution'],
resources: [
`arn:aws:imagebuilder:${cdk.Stack.of(this).region}:${cdk.Stack.of(this).account
}:image/*`,
`arn:aws:imagebuilder:${cdk.Stack.of(this).region}:${cdk.Stack.of(this).account
}:image-pipeline/*`,
],
}),
new iam.PolicyStatement({
effect: iam.Effect.ALLOW,
actions: ['ssm:*'],
resources: ["*"],
}),
],
});
const lambda_role = new iam.Role(this, "hyperswitch-ib-lambda-role", {
assumedBy: new iam.ServicePrincipal("lambda.amazonaws.com"),
inlinePolicies: {
"ib-start-role": lambda_policy,
},
});
const ib_lambda = new Function(this, "hyperswitch-ib-lambda", {
functionName: "HyperswitchIbStartLambda",
runtime: Runtime.PYTHON_3_9,
handler: "index.lambda_handler",
code: Code.fromInline(start_ib_code),
timeout: cdk.Duration.minutes(15),
role: lambda_role,
environment: {
envoy_image_pipeline_arn: envoy_arn,
squid_image_pipeline_arn: squid_arn,
base_image_pipeline_arn: base_arn,
},
});
const triggerIbStart = new cdk.CustomResource(
this,
"HyperswitchIbStart",
{
serviceToken: ib_lambda.functionArn,
},
);
addRecordLambda(this, {
id: "hyperswitch-record-amid-squid",
name: "HyperswitchRecordAmiIdSquid",
role: lambda_role,
topic: squid_channel,
ssm_key: "squid_image_ami",
})
addRecordLambda(this, {
id: "hyperswitch-record-amid-envoy",
name: "HyperswitchRecordAmiIdEnvoy",
role: lambda_role,
topic: envoy_channel,
ssm_key: "envoy_image_ami",
})
addRecordLambda(this, {
id: "hyperswitch-record-amid-base",
name: "HyperswitchRecordAmiIdBase",
role: lambda_role,
topic: base_channel,
ssm_key: "base_image_ami",
})
}
}
function addRecordLambda(stack: cdk.Stack, props: RecordLambdaProperties) {
const record_amid_code = readFileSync(
"lib/aws/lambda/record_ami.py"
).toString();
let ib_record_function = new Function(stack, props.id, {
functionName: props.name,
runtime: Runtime.PYTHON_3_9,
handler: "index.lambda_handler",
code: Code.fromInline(record_amid_code),
timeout: cdk.Duration.minutes(15),
role: props.role,
environment: {
IMAGE_SSM_NAME: props.ssm_key,
},
});
props.topic.addSubscription(new LambdaSubscription(ib_record_function))
}