pulumi/tests/examples/dynamic-provider/simple/index.ts

85 lines
3.4 KiB
TypeScript

// Copyright 2016-2018, Pulumi Corporation. All rights reserved.
import * as pulumi from "@pulumi/pulumi";
import * as dynamic from "@pulumi/pulumi/dynamic";
class OperatorProvider implements dynamic.ResourceProvider {
private op: (l: number, r: number) => any;
constructor(op: (l: number, r: number) => any) {
this.op = op;
}
public check(olds: any, news: any) { return Promise.resolve({ inputs: news }); }
public diff(id: pulumi.ID, olds: any, news: any) { return Promise.resolve({}); }
public delete(id: pulumi.ID, props: any) { return Promise.resolve(); }
public create(inputs: any) { return Promise.resolve({ id: "0", outs: this.op(Number(inputs.left), Number(inputs.right)) }); }
public update(id: string, olds: any, news: any) { return Promise.resolve({ outs: this.op(Number(news.left), Number(news.right)) }); }
}
class DivProvider extends OperatorProvider {
constructor() {
super((left: number, right: number) => <any>{ quotient: Math.floor(left / right), remainder: left % right });
}
public async check(olds: any, news: any) {
return {
inputs: news,
failures: news.right == 0 ? [ { property: "right", reason: "divisor must be non-zero" } ] : [],
}
}
}
class Add extends dynamic.Resource {
public readonly sum: pulumi.Output<number>;
private static provider = new OperatorProvider((left: number, right: number) => <any>{ sum: left + right });
constructor(name: string, left: pulumi.Input<number>, right: pulumi.Input<number>) {
super(Add.provider, name, {left: left, right: right, sum: undefined}, undefined);
}
}
class Mul extends dynamic.Resource {
public readonly product: pulumi.Output<number>;
private static provider = new OperatorProvider((left: number, right: number) => <any>{ product: left * right });
constructor(name: string, left: pulumi.Input<number>, right: pulumi.Input<number>) {
super(Mul.provider, name, {left: left, right: right, product: undefined}, undefined);
}
}
class Sub extends dynamic.Resource {
public readonly difference: pulumi.Output<number>;
private static provider = new OperatorProvider((left: number, right: number) => <any>{ difference: left - right });
constructor(name: string, left: pulumi.Input<number>, right: pulumi.Input<number>) {
super(Sub.provider, name, {left: left, right: right, difference: undefined}, undefined);
}
}
class Div extends dynamic.Resource {
public readonly quotient: pulumi.Output<number>;
public readonly remainder: pulumi.Output<number>;
private static provider = new DivProvider();
constructor(name: string, left: pulumi.Input<number>, right: pulumi.Input<number>) {
super(Div.provider, name, {left: left, right: right, quotient: undefined, remainder: undefined}, undefined);
}
}
let config = new pulumi.Config("simple");
let w = Number(config.require("w")), x = Number(config.require("x")), y = Number(config.require("y"));
let sum = new Add("sum", x, y);
let square = new Mul("square", sum.sum, sum.sum);
let diff = new Sub("diff", square.product, w);
let divrem = new Div("divrem", diff.difference, sum.sum);
let result = new Add("result", divrem.quotient, divrem.remainder);
export let outputSum: pulumi.Output<number> = result.sum;
result.sum.apply(result => {
console.log(`((x + y)^2 - w) / (x + y) + ((x + y)^2 - w) %% (x + y) = ${result}`);
});