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fix(rds): DatabaseCluster.instanceEndpoints doesn't include writer endpoint #29337

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merged 6 commits into from
Mar 8, 2024
Merged

fix(rds): DatabaseCluster.instanceEndpoints doesn't include writer endpoint #29337

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d6843e6
fix: add writer endpoint to DatabaseCluster.instanceEndpoints
badmintoncryer Mar 1, 2024
f5bbc92
test: update unit test
badmintoncryer Mar 1, 2024
73ba94b
Merge branch 'main' into 29279-instanceEndpoint
badmintoncryer Mar 2, 2024
c7fb305
Merge branch 'main' into 29279-instanceEndpoint
badmintoncryer Mar 6, 2024
781fc1d
Merge branch 'main' into 29279-instanceEndpoint
paulhcsun Mar 8, 2024
e3468e7
Merge branch 'main' into 29279-instanceEndpoint
mergify[bot] Mar 8, 2024
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1 change: 1 addition & 0 deletions packages/aws-cdk-lib/aws-rds/lib/cluster.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -726,6 +726,7 @@ abstract class DatabaseClusterNew extends DatabaseClusterBase {
promotionTier: 0, // override the promotion tier so that writers are always 0
});
instanceIdentifiers.push(writer.instanceIdentifier);
instanceEndpoints.push(new Endpoint(writer.dbInstanceEndpointAddress, this.clusterEndpoint.port));

(props.readers ?? []).forEach(instance => {
const clusterInstance = instance.bind(this, this, {
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97 changes: 97 additions & 0 deletions packages/aws-cdk-lib/aws-rds/test/cluster.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -504,6 +504,103 @@ describe('cluster new api', () => {
});
});

describe('instanceEndpoints', () => {
test('should contain writer and reader instance endpoints at DatabaseCluster', () => {
//GIVEN
const stack = testStack();
const vpc = new ec2.Vpc(stack, 'VPC');

//WHEN
const cluster = new DatabaseCluster(stack, 'Database', {
engine: DatabaseClusterEngine.AURORA,
vpc,
writer: ClusterInstance.serverlessV2('writer'),
readers: [ClusterInstance.serverlessV2('reader')],
iamAuthentication: true,
});

//THEN
expect(cluster.instanceEndpoints).toHaveLength(2);
expect(stack.resolve(cluster.instanceEndpoints)).toEqual([{
hostname: {
'Fn::GetAtt': ['Databasewriter2462CC03', 'Endpoint.Address'],
},
port: {
'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'],
},
socketAddress: {
'Fn::Join': ['', [
{ 'Fn::GetAtt': ['Databasewriter2462CC03', 'Endpoint.Address'] },
':',
{ 'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'] },
]],
},
}, {
hostname: {
'Fn::GetAtt': ['Databasereader13B43287', 'Endpoint.Address'],
},
port: {
'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'],
},
socketAddress: {
'Fn::Join': ['', [
{ 'Fn::GetAtt': ['Databasereader13B43287', 'Endpoint.Address'] },
':',
{ 'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'] },
]],
},
}]);
});

test('should contain writer and reader instance endpoints at DatabaseClusterFromSnapshot', () => {
//GIVEN
const stack = testStack();
const vpc = new ec2.Vpc(stack, 'VPC');

//WHEN
const cluster = new DatabaseClusterFromSnapshot(stack, 'Database', {
engine: DatabaseClusterEngine.AURORA,
vpc,
snapshotIdentifier: 'snapshot-identifier',
iamAuthentication: true,
writer: ClusterInstance.serverlessV2('writer'),
readers: [ClusterInstance.serverlessV2('reader')],
});

//THEN
expect(cluster.instanceEndpoints).toHaveLength(2);
expect(stack.resolve(cluster.instanceEndpoints)).toEqual([{
hostname: {
'Fn::GetAtt': ['Databasewriter2462CC03', 'Endpoint.Address'],
},
port: {
'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'],
},
socketAddress: {
'Fn::Join': ['', [
{ 'Fn::GetAtt': ['Databasewriter2462CC03', 'Endpoint.Address'] },
':',
{ 'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'] },
]],
},
}, {
hostname: {
'Fn::GetAtt': ['Databasereader13B43287', 'Endpoint.Address'],
},
port: {
'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'],
},
socketAddress: {
'Fn::Join': ['', [
{ 'Fn::GetAtt': ['Databasereader13B43287', 'Endpoint.Address'] },
':',
{ 'Fn::GetAtt': ['DatabaseB269D8BB', 'Endpoint.Port'] },
]],
},
}]);
});
});

describe('provisioned writer with serverless readers', () => {
test('serverless reader in promotion tier 2 throws warning', () => {
// GIVEN
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