@aws-solutions-constructs/core
Version:
Core CDK Construct for patterns library
77 lines • 10.8 kB
JavaScript
;
/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* or in the 'license' file accompanying this file. This file is distributed on an 'AS IS' BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.obtainMemcachedCluster = obtainMemcachedCluster;
exports.createCacheSubnetGroup = createCacheSubnetGroup;
exports.getCachePort = getCachePort;
const cache = require("aws-cdk-lib/aws-elasticache");
const elasticache_defaults_1 = require("./elasticache-defaults");
const utils_1 = require("./utils");
/**
* @internal This is an internal core function and should not be called directly by Solutions Constructs clients.
*/
function obtainMemcachedCluster(scope, id, props) {
if (props.existingCache) {
props.existingCache.vpcSecurityGroupIds?.push(props.cacheSecurityGroupId);
return props.existingCache;
}
else {
if (!props.cachePort) {
throw Error('props.cachePort required for new caches');
}
// Create the subnet group from all the isolated subnets in the VPC
const subnetGroup = createCacheSubnetGroup(scope, props.vpc, id);
const defaultProps = (0, elasticache_defaults_1.GetMemcachedDefaults)(id, props.cachePort);
const requiredConstructProps = {
vpcSecurityGroupIds: [props.cacheSecurityGroupId],
cacheSubnetGroupName: subnetGroup.cacheSubnetGroupName,
};
const consolidatedProps = (0, utils_1.consolidateProps)(defaultProps, props.cacheProps, requiredConstructProps, true);
const newCache = new cache.CfnCacheCluster(scope, `${id}-cluster`, consolidatedProps);
newCache.addDependency(subnetGroup);
return newCache;
}
}
/**
* @internal This is an internal core function and should not be called directly by Solutions Constructs clients.
*/
function createCacheSubnetGroup(construct, vpc, id) {
// Memcached has no auth, all access control is
// network based, so, at least initially, we will
// only launch it in isolated subnets.
const subnetIds = [];
vpc.isolatedSubnets.forEach((subnet) => {
subnetIds.push(subnet.subnetId);
});
return new cache.CfnSubnetGroup(construct, `ec-subnetgroup-${id}`, {
description: "Solutions Constructs generated Cache Subnet Group",
subnetIds,
cacheSubnetGroupName: `${id}-subnet-group`,
});
}
/**
* @internal This is an internal core function and should not be called directly by Solutions Constructs clients.
*/
function getCachePort(clientCacheProps, existingCache) {
if (existingCache) {
return existingCache.attrConfigurationEndpointPort;
}
else if (clientCacheProps?.port) {
return clientCacheProps.port;
}
else {
return (0, elasticache_defaults_1.GetDefaultCachePort)();
}
}
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