@aws-cdk/aws-redshift-alpha
Version:
The CDK Construct Library for AWS::Redshift
69 lines • 11.7 kB
JavaScript
;
/* eslint-disable import/no-extraneous-dependencies */
Object.defineProperty(exports, "__esModule", { value: true });
exports.handler = handler;
const client_secrets_manager_1 = require("@aws-sdk/client-secrets-manager");
const redshift_data_1 = require("./redshift-data");
const util_1 = require("./util");
const secretsManager = new client_secrets_manager_1.SecretsManager({});
async function handler(props, event) {
const username = props.username;
const passwordSecretArn = props.passwordSecretArn;
const clusterProps = props;
if (event.RequestType === 'Create') {
await createUser(username, passwordSecretArn, clusterProps);
return { PhysicalResourceId: (0, util_1.makePhysicalId)(username, clusterProps, event.RequestId), Data: { username: username } };
}
else if (event.RequestType === 'Delete') {
await dropUser(username, clusterProps);
return;
}
else if (event.RequestType === 'Update') {
const { replace } = await updateUser(username, passwordSecretArn, clusterProps, event.OldResourceProperties);
const physicalId = replace ? (0, util_1.makePhysicalId)(username, clusterProps, event.RequestId) : event.PhysicalResourceId;
return { PhysicalResourceId: physicalId, Data: { username: username } };
}
else {
/* eslint-disable-next-line dot-notation */
throw new Error(`Unrecognized event type: ${event['RequestType']}`);
}
}
async function dropUser(username, clusterProps) {
await (0, redshift_data_1.executeStatement)(`DROP USER ${username}`, clusterProps);
}
async function createUser(username, passwordSecretArn, clusterProps) {
const password = await getPasswordFromSecret(passwordSecretArn);
await (0, redshift_data_1.executeStatement)(`CREATE USER ${username} PASSWORD '${password}'`, clusterProps);
}
async function updateUser(username, passwordSecretArn, clusterProps, oldResourceProperties) {
const oldClusterProps = oldResourceProperties;
if (clusterProps.clusterName !== oldClusterProps.clusterName || clusterProps.databaseName !== oldClusterProps.databaseName) {
await createUser(username, passwordSecretArn, clusterProps);
return { replace: true };
}
const oldUsername = oldResourceProperties.username;
const oldPasswordSecretArn = oldResourceProperties.passwordSecretArn;
const oldPassword = await getPasswordFromSecret(oldPasswordSecretArn);
const password = await getPasswordFromSecret(passwordSecretArn);
if (username !== oldUsername) {
await createUser(username, passwordSecretArn, clusterProps);
return { replace: true };
}
if (password !== oldPassword) {
await (0, redshift_data_1.executeStatement)(`ALTER USER ${username} PASSWORD '${password}'`, clusterProps);
return { replace: false };
}
return { replace: false };
}
async function getPasswordFromSecret(passwordSecretArn) {
const secretValue = await secretsManager.getSecretValue({
SecretId: passwordSecretArn,
});
const secretString = secretValue.SecretString;
if (!secretString) {
throw new Error(`Secret string for ${passwordSecretArn} was empty`);
}
const { password } = JSON.parse(secretString);
return password;
}
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makePhysicalId(username, clusterProps, event.RequestId) : event.PhysicalResourceId;\n    return { PhysicalResourceId: physicalId, Data: { username: username } };\n  } else {\n    /* eslint-disable-next-line dot-notation */\n    throw new Error(`Unrecognized event type: ${event['RequestType']}`);\n  }\n}\n\nasync function dropUser(username: string, clusterProps: ClusterProps) {\n  await executeStatement(`DROP USER ${username}`, clusterProps);\n}\n\nasync function createUser(username: string, passwordSecretArn: string, clusterProps: ClusterProps) {\n  const password = await getPasswordFromSecret(passwordSecretArn);\n\n  await executeStatement(`CREATE USER ${username} PASSWORD '${password}'`, clusterProps);\n}\n\nasync function updateUser(\n  username: string,\n  passwordSecretArn: string,\n  clusterProps: ClusterProps,\n  oldResourceProperties: UserHandlerProps & ClusterProps,\n): Promise<{ replace: boolean }> {\n  const oldClusterProps = oldResourceProperties;\n  if (clusterProps.clusterName !== oldClusterProps.clusterName || clusterProps.databaseName !== oldClusterProps.databaseName) {\n    await createUser(username, passwordSecretArn, clusterProps);\n    return { replace: true };\n  }\n\n  const oldUsername = oldResourceProperties.username;\n  const oldPasswordSecretArn = oldResourceProperties.passwordSecretArn;\n  const oldPassword = await getPasswordFromSecret(oldPasswordSecretArn);\n  const password = await getPasswordFromSecret(passwordSecretArn);\n\n  if (username !== oldUsername) {\n    await createUser(username, passwordSecretArn, clusterProps);\n    return { replace: true };\n  }\n\n  if (password !== oldPassword) {\n    await executeStatement(`ALTER USER ${username} PASSWORD '${password}'`, clusterProps);\n    return { replace: false };\n  }\n\n  return { replace: false };\n}\n\nasync function getPasswordFromSecret(passwordSecretArn: string): Promise<string> {\n  const secretValue = await secretsManager.getSecretValue({\n    SecretId: passwordSecretArn,\n  });\n  const secretString = secretValue.SecretString;\n  if (!secretString) {\n    throw new Error(`Secret string for ${passwordSecretArn} was empty`);\n  }\n  const { password } = JSON.parse(secretString);\n\n  return password;\n}\n"]}