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index.ts
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index.ts
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import * as blueprints from '@aws-quickstart/eks-blueprints';
import { getSecretValue } from '@aws-quickstart/eks-blueprints/dist/utils/secrets-manager-utils';
import * as cdk from 'aws-cdk-lib';
import { StackProps } from 'aws-cdk-lib';
import * as eks from 'aws-cdk-lib/aws-eks';
import { Construct } from 'constructs';
// Team implementations
import * as team from '../teams/pipeline-multi-env-gitops';
//pattern wide consts
const GITHUB_ORG = 'aws-samples';
const CLUSTER_VERSION = eks.KubernetesVersion.V1_26;
const WORKLOAD_REPO = `git@github.com:${GITHUB_ORG}/eks-blueprints-workloads.git`;
export function populateWithContextDefaults(
app: cdk.App,
defAccount: string,
defRegion: string
) {
// build pipeline, dev-tes, and prod accounts
const pipelineEnv = buildEnv(app, defAccount, defRegion, 'pipeline');
const devEnv = buildEnv(app, defAccount, defRegion, 'dev');
const prodEnv = buildEnv(app, defAccount, defRegion, 'prod');
return { devEnv, pipelineEnv, prodEnv };
}
export interface PipelineMultiEnvGitopsProps {
/**
* The CDK environment where dev&test, prod, and piplines will be deployed to
*/
devTestEnv: cdk.Environment;
prodEnv: cdk.Environment;
pipelineEnv: cdk.Environment;
}
export default class PipelineMultiEnvGitops {
readonly DEFAULT_ENV: cdk.Environment = {
account: process.env.CDK_DEFAULT_ACCOUNT,
region: process.env.CDK_DEFAULT_REGION,
};
async buildAsync(
scope: Construct,
id: string,
pipelineProps: PipelineMultiEnvGitopsProps,
props?: StackProps
) {
// environments IDs consts
const DEV_ENV_ID = `dev-${pipelineProps.devTestEnv.region}`;
const TEST_ENV_ID = `test-${pipelineProps.devTestEnv.region}`;
const PROD_ENV_ID = `prod-${pipelineProps.prodEnv.region}`;
try {
// github-token is needed for CDK Pipeline functionality
await getSecretValue(
'github-token',
pipelineProps.pipelineEnv.region!
); // Exclamation mark is used to avoid msg: ts(2345)
} catch (error) {
throw new Error(`github-token secret must be setup in AWS Secrets Manager for the GitHub pipeline.
The GitHub Personal Access Token should have these scopes:
* **repo** - to read the repository
* * **admin:repo_hook** - if you plan to use webhooks (true by default)
* @see https://docs.aws.amazon.com/codepipeline/latest/userguide/GitHub-create-personal-token-CLI.html`);
}
// Fargate provider - only for Karpenter
const genClusterProvider = new blueprints.GenericClusterProvider({
version: CLUSTER_VERSION,
fargateProfiles: {
karpenter: {
fargateProfileName: 'karpenter',
selectors: [{ namespace: 'karpenter' }],
},
},
});
// commonly configured addons
const addons: blueprints.ClusterAddOn[] = [
new blueprints.AwsLoadBalancerControllerAddOn(),
new blueprints.CertManagerAddOn(),
new blueprints.SecretsStoreAddOn(),
new blueprints.MetricsServerAddOn(),
];
const blueprint = blueprints.EksBlueprint.builder()
.version(CLUSTER_VERSION)
.clusterProvider(genClusterProvider)
.addOns(...addons);
// custom addons per environment
const devAddons = buildEnvAddons('dev', DEV_ENV_ID);
const testAddons = buildEnvAddons('test', DEV_ENV_ID);
const prodAddons = buildEnvAddons('prod', PROD_ENV_ID);
// teams per environment
const devTeams = buildTeams('dev', pipelineProps.devTestEnv.account!);
const testTeams = buildTeams('test', pipelineProps.devTestEnv.account!);
const prodTeams = buildTeams('prod', pipelineProps.prodEnv.account!);
try {
// TODO - add dynamic gitowner suport when using codeStar config const { gitOwner, gitRepositoryName } = await getRepositoryData();
const gitRepositoryName = 'cdk-eks-blueprints-patterns';
blueprints.CodePipelineStack.builder()
.application('npx ts-node bin/pipeline-multienv-gitops.ts')
.name('eks-blueprint-pipeline')
.owner(GITHUB_ORG)
.codeBuildPolicies(blueprints.DEFAULT_BUILD_POLICIES)
.repository({
repoUrl: gitRepositoryName,
credentialsSecretName: 'github-token',
targetRevision: 'main',
})
.wave({
id: 'dev-test',
stages: [
{
id: DEV_ENV_ID,
stackBuilder: blueprint
.clone()
.withEnv(pipelineProps.devTestEnv)
.name(DEV_ENV_ID)
.teams(...devTeams)
.addOns(...devAddons),
},
{
id: TEST_ENV_ID,
stackBuilder: blueprint
.clone()
.withEnv(pipelineProps.devTestEnv)
.name(TEST_ENV_ID)
.teams(...testTeams)
.addOns(...testAddons),
},
],
props: {
post: [
new blueprints.pipelines.cdkpipelines.ManualApprovalStep(
'manual-approval-before-production'
),
],
},
})
.wave({
id: 'prod',
stages: [
{
id: PROD_ENV_ID,
stackBuilder: blueprint
.clone()
.withEnv(pipelineProps.prodEnv)
.name(PROD_ENV_ID)
.teams(...prodTeams)
.addOns(...prodAddons),
},
],
})
.build(scope, 'eks-blueprint-pipeline-stack', props);
} catch (error) {
console.log(error);
}
}
}
function buildTeams(envId: string, account: string): Array<blueprints.Team> {
// Teams ids has to be globally unique --> injecting environment ID
const teamsList = [
new team.CorePlatformTeam(account, envId),
new team.FrontendTeam(account, envId),
new team.BackendNodejsTeam(account, envId),
new team.BackendCrystalTeam(account, envId),
];
return teamsList;
}
function createArgoAddonConfig(
environment: string,
repoUrl: string = WORKLOAD_REPO
): blueprints.ArgoCDAddOn {
const argoConfig = new blueprints.ArgoCDAddOn({
version: '5.37.0',
bootstrapRepo: {
repoUrl: repoUrl,
path: `multi-repo/argo-app-of-apps/${environment}`,
targetRevision: 'main',
credentialsSecretName: 'github-ssh-key',
credentialsType: 'SSH',
},
bootstrapValues: {
service: {
type: 'LoadBalancer',
},
spec: {
ingress: {
host: 'dev.blueprint.com',
},
},
},
values: {
server: {},
},
});
return argoConfig;
}
function buildKarpenterConfig(environment: string): object {
return {
subnetTags: {
'aws:cloudformation:stack-name': `${environment}-${environment}-blueprint`,
},
securityGroupTags: {
'aws:eks:cluster-name': `${environment}-blueprint`,
},
interruptionHandling: true,
};
}
function buildEnv(
app: cdk.App,
defaultAccount: string,
defaultRegion: string,
envName: string
): cdk.Environment {
// Populate Context Defaults for the an account
let account = app.node.tryGetContext(`${envName}_account`);
account = account ?? defaultAccount;
let region = app.node.tryGetContext(`${envName}_region`);
region = region ?? defaultRegion;
const env: cdk.Environment = {
account: account,
region: region,
};
return env;
}
function buildEnvAddons(
envName: string,
envId: string
): blueprints.ClusterAddOn[] {
return [
new blueprints.KarpenterAddOn(buildKarpenterConfig(envId)),
createArgoAddonConfig(envName),
];
}