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1"use strict";
2var _a, _b;
3Object.defineProperty(exports, "__esModule", { value: true });
4exports.PlacementConstraint = exports.PlacementStrategy = exports.BinPackResource = void 0;
5const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
6const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
7const ec2_service_1 = require("./ec2/ec2-service");
8/**
9 * Instance resource used for bin packing
10 */
11var BinPackResource;
12(function (BinPackResource) {
13 /**
14 * Fill up hosts' CPU allocations first
15 */
16 BinPackResource["CPU"] = "cpu";
17 /**
18 * Fill up hosts' memory allocations first
19 */
20 BinPackResource["MEMORY"] = "memory";
21})(BinPackResource = exports.BinPackResource || (exports.BinPackResource = {}));
22/**
23 * The placement strategies to use for tasks in the service. For more information, see
24 * [Amazon ECS Task Placement Strategies](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-placement-strategies.html).
25 *
26 * Tasks will preferentially be placed on instances that match these rules.
27 */
28class PlacementStrategy {
29 /**
30 * Constructs a new instance of the PlacementStrategy class.
31 */
32 constructor(json) {
33 this.json = json;
34 }
35 /**
36 * Places tasks evenly across all container instances in the cluster.
37 */
38 static spreadAcrossInstances() {
39 return new PlacementStrategy([{ type: 'spread', field: ec2_service_1.BuiltInAttributes.INSTANCE_ID }]);
40 }
41 /**
42 * Places tasks evenly based on the specified value.
43 *
44 * You can use one of the built-in attributes found on `BuiltInAttributes`
45 * or supply your own custom instance attributes. If more than one attribute
46 * is supplied, spreading is done in order.
47 *
48 * @default attributes instanceId
49 */
50 static spreadAcross(...fields) {
51 if (fields.length === 0) {
52 throw new Error('spreadAcross: give at least one field to spread by');
53 }
54 return new PlacementStrategy(fields.map(field => ({ type: 'spread', field })));
55 }
56 /**
57 * Places tasks on container instances with the least available amount of CPU capacity.
58 *
59 * This minimizes the number of instances in use.
60 */
61 static packedByCpu() {
62 return PlacementStrategy.packedBy(BinPackResource.CPU);
63 }
64 /**
65 * Places tasks on container instances with the least available amount of memory capacity.
66 *
67 * This minimizes the number of instances in use.
68 */
69 static packedByMemory() {
70 return PlacementStrategy.packedBy(BinPackResource.MEMORY);
71 }
72 /**
73 * Places tasks on the container instances with the least available capacity of the specified resource.
74 */
75 static packedBy(resource) {
76 try {
77 jsiiDeprecationWarnings._aws_cdk_aws_ecs_BinPackResource(resource);
78 }
79 catch (error) {
80 if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
81 Error.captureStackTrace(error, this.packedBy);
82 }
83 throw error;
84 }
85 return new PlacementStrategy([{ type: 'binpack', field: resource }]);
86 }
87 /**
88 * Places tasks randomly.
89 */
90 static randomly() {
91 return new PlacementStrategy([{ type: 'random' }]);
92 }
93 /**
94 * Return the placement JSON
95 */
96 toJson() {
97 return this.json;
98 }
99}
100exports.PlacementStrategy = PlacementStrategy;
101_a = JSII_RTTI_SYMBOL_1;
102PlacementStrategy[_a] = { fqn: "@aws-cdk/aws-ecs.PlacementStrategy", version: "1.156.1" };
103/**
104 * The placement constraints to use for tasks in the service. For more information, see
105 * [Amazon ECS Task Placement Constraints](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-placement-constraints.html).
106 *
107 * Tasks will only be placed on instances that match these rules.
108 */
109class PlacementConstraint {
110 /**
111 * Constructs a new instance of the PlacementConstraint class.
112 */
113 constructor(json) {
114 this.json = json;
115 }
116 /**
117 * Use distinctInstance to ensure that each task in a particular group is running on a different container instance.
118 */
119 static distinctInstances() {
120 return new PlacementConstraint([{ type: 'distinctInstance' }]);
121 }
122 /**
123 * Use memberOf to restrict the selection to a group of valid candidates specified by a query expression.
124 *
125 * Multiple expressions can be specified. For more information, see
126 * [Cluster Query Language](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html).
127 *
128 * You can specify multiple expressions in one call. The tasks will only be placed on instances matching all expressions.
129 *
130 * @see https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html
131 */
132 static memberOf(...expressions) {
133 return new PlacementConstraint(expressions.map(expression => ({ type: 'memberOf', expression })));
134 }
135 /**
136 * Return the placement JSON
137 */
138 toJson() {
139 return this.json;
140 }
141}
142exports.PlacementConstraint = PlacementConstraint;
143_b = JSII_RTTI_SYMBOL_1;
144PlacementConstraint[_b] = { fqn: "@aws-cdk/aws-ecs.PlacementConstraint", version: "1.156.1" };
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For more information, see\n * [Amazon ECS Task Placement Strategies](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-placement-strategies.html).\n *\n * Tasks will preferentially be placed on instances that match these rules.\n */\nexport class PlacementStrategy {\n  /**\n   * Places tasks evenly across all container instances in the cluster.\n   */\n  public static spreadAcrossInstances() {\n    return new PlacementStrategy([{ type: 'spread', field: BuiltInAttributes.INSTANCE_ID }]);\n  }\n\n  /**\n   * Places tasks evenly based on the specified value.\n   *\n   * You can use one of the built-in attributes found on `BuiltInAttributes`\n   * or supply your own custom instance attributes. If more than one attribute\n   * is supplied, spreading is done in order.\n   *\n   * @default attributes instanceId\n   */\n  public static spreadAcross(...fields: string[]) {\n    if (fields.length === 0) {\n      throw new Error('spreadAcross: give at least one field to spread by');\n    }\n    return new PlacementStrategy(fields.map(field => ({ type: 'spread', field })));\n  }\n\n  /**\n   * Places tasks on container instances with the least available amount of CPU capacity.\n   *\n   * This minimizes the number of instances in use.\n   */\n  public static packedByCpu() {\n    return PlacementStrategy.packedBy(BinPackResource.CPU);\n  }\n\n  /**\n   * Places tasks on container instances with the least available amount of memory capacity.\n   *\n   * This minimizes the number of instances in use.\n   */\n  public static packedByMemory() {\n    return PlacementStrategy.packedBy(BinPackResource.MEMORY);\n  }\n\n  /**\n   * Places tasks on the container instances with the least available capacity of the specified resource.\n   */\n  public static packedBy(resource: BinPackResource) {\n    return new PlacementStrategy([{ type: 'binpack', field: resource }]);\n  }\n\n  /**\n   * Places tasks randomly.\n   */\n  public static randomly() {\n    return new PlacementStrategy([{ type: 'random' }]);\n  }\n\n  /**\n   * Constructs a new instance of the PlacementStrategy class.\n   */\n  private constructor(private readonly json: CfnService.PlacementStrategyProperty[]) {\n  }\n\n  /**\n   * Return the placement JSON\n   */\n  public toJson(): CfnService.PlacementStrategyProperty[] {\n    return this.json;\n  }\n}\n\n/**\n * The placement constraints to use for tasks in the service. For more information, see\n * [Amazon ECS Task Placement Constraints](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-placement-constraints.html).\n *\n * Tasks will only be placed on instances that match these rules.\n */\nexport class PlacementConstraint {\n  /**\n   * Use distinctInstance to ensure that each task in a particular group is running on a different container instance.\n   */\n  public static distinctInstances() {\n    return new PlacementConstraint([{ type: 'distinctInstance' }]);\n  }\n\n  /**\n   * Use memberOf to restrict the selection to a group of valid candidates specified by a query expression.\n   *\n   * Multiple expressions can be specified. For more information, see\n   * [Cluster Query Language](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html).\n   *\n   * You can specify multiple expressions in one call. The tasks will only be placed on instances matching all expressions.\n   *\n   * @see https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html\n   */\n  public static memberOf(...expressions: string[]) {\n    return new PlacementConstraint(expressions.map(expression => ({ type: 'memberOf', expression })));\n  }\n\n  /**\n   * Constructs a new instance of the PlacementConstraint class.\n   */\n  private constructor(private readonly json: CfnService.PlacementConstraintProperty[]) {\n  }\n\n  /**\n   * Return the placement JSON\n   */\n  public toJson(): CfnService.PlacementConstraintProperty[] {\n    return this.json;\n  }\n}"]}
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