This change simplifies the necessary RPC changes for components. Instead of a Begin/End pair, which complicates the whole system because now we have the opportunity of a missing End call, we will simply let RPCs come in that append outputs to existing states.
126 lines
6.2 KiB
TypeScript
126 lines
6.2 KiB
TypeScript
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
|
|
|
|
import { registerResource, registerResourceOutputs } from "./runtime/resource";
|
|
import { getRootResource } from "./runtime/settings";
|
|
|
|
export type ID = string; // a provider-assigned ID.
|
|
export type URN = string; // an automatically generated logical URN, used to stably identify resources.
|
|
|
|
/**
|
|
* Resource represents a class whose CRUD operations are implemented by a provider plugin.
|
|
*/
|
|
export abstract class Resource {
|
|
/**
|
|
* urn is the stable logical URN used to distinctly address a resource, both before and after deployments.
|
|
*/
|
|
public readonly urn: Promise<URN>;
|
|
|
|
/**
|
|
* Creates and registers a new resource object. t is the fully qualified type token and name is the "name" part
|
|
* to use in creating a stable and globally unique URN for the object. dependsOn is an optional list of other
|
|
* resources that this resource depends on, controlling the order in which we perform resource operations.
|
|
*
|
|
* @param t The type of the resource.
|
|
* @param name The _unqiue_ name of the resource.
|
|
* @param custom True to indicate that this is a custom resource, managed by a plugin.
|
|
* @param props The arguments to use to populate the new resource.
|
|
* @param parent An optional parent resource to which this resource belongs.
|
|
* @param dependsOn Optional additional explicit dependencies on other resources.
|
|
*/
|
|
constructor(t: string, name: string, custom: boolean, props?: ComputedValues,
|
|
parent?: Resource, dependsOn?: Resource[]) {
|
|
if (!t) {
|
|
throw new Error("Missing resource type argument");
|
|
}
|
|
if (!name) {
|
|
throw new Error("Missing resource name argument (for URN creation)");
|
|
}
|
|
|
|
// If there wasn't an explicit parent, and a root resource exists, parent to that.
|
|
if (!parent) {
|
|
parent = getRootResource();
|
|
}
|
|
|
|
// Now kick off the resource registration. If we are actually performing a deployment, this resource's
|
|
// properties will be resolved asynchronously after the operation completes, so that dependent computations
|
|
// resolve normally. If we are just planning, on the other hand, values will never resolve.
|
|
registerResource(this, t, name, custom, props, parent, dependsOn);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* CustomResource is a resource whose create, read, update, and delete (CRUD) operations are managed by performing
|
|
* external operations on some physical entity. The engine understands how to diff and perform partial updates of
|
|
* them, and these CRUD operations are implemented in a dynamically loaded plugin for the defining package.
|
|
*/
|
|
export abstract class CustomResource extends Resource {
|
|
/**
|
|
* id is the provider-assigned unique ID for this managed resource. It is set during deployments and may be
|
|
* missing (undefined) during planning phases.
|
|
*/
|
|
public readonly id: Computed<ID>;
|
|
|
|
/**
|
|
* Creates and registers a new managed resource. t is the fully qualified type token and name is the "name" part
|
|
* to use in creating a stable and globally unique URN for the object. dependsOn is an optional list of other
|
|
* resources that this resource depends on, controlling the order in which we perform resource operations.
|
|
* Creating an instance does not necessarily perform a create on the physical entity which it represents, and
|
|
* instead, this is dependent upon the diffing of the new goal state compared to the current known resource state.
|
|
*
|
|
* @param t The type of the resource.
|
|
* @param name The _unqiue_ name of the resource.
|
|
* @param props The arguments to use to populate the new resource.
|
|
* @param parent An optional parent resource to which this resource belongs.
|
|
* @param dependsOn Optional additional explicit dependencies on other resources.
|
|
*/
|
|
constructor(t: string, name: string, props?: ComputedValues, parent?: Resource, dependsOn?: Resource[]) {
|
|
super(t, name, true, props, parent, dependsOn);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* ComponentResource is a resource that aggregates one or more other child resources into a higher level abstraction.
|
|
* The component resource itself is a resource, but does not require custom CRUD operations for provisioning.
|
|
*/
|
|
export class ComponentResource extends Resource {
|
|
/**
|
|
* Creates and registers a new component resource. t is the fully qualified type token and name is the "name" part
|
|
* to use in creating a stable and globally unique URN for the object. parent is the optional parent for this
|
|
* component, and dependsOn is an optional list of other resources that this resource depends on, controlling the
|
|
* order in which we perform resource operations.
|
|
*
|
|
* @param t The type of the resource.
|
|
* @param name The _unqiue_ name of the resource.
|
|
* @param props The arguments to use to populate the new resource.
|
|
* @param parent An optional parent resource to which this resource belongs.
|
|
* @param dependsOn Optional additional explicit dependencies on other resources.
|
|
*/
|
|
constructor(t: string, name: string, props?: ComputedValues, parent?: Resource, dependsOn?: Resource[]) {
|
|
super(t, name, false, props, parent, dependsOn);
|
|
}
|
|
|
|
// registerOutputs registers synthetic outputs that a component has initialized, usually by allocating
|
|
// other child sub-resources and propagating their resulting property values.
|
|
protected registerOutputs(outputs: ComputedValues | undefined): void {
|
|
if (outputs) {
|
|
registerResourceOutputs(this, outputs);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Computed is a property output for a resource. It is just a promise that also permits undefined values. The
|
|
* undefined values are used during planning, when the actual final value of a resource may not yet be known.
|
|
*/
|
|
export type Computed<T> = Promise<T | undefined>;
|
|
|
|
/**
|
|
* ComputedValue is a property input for a resource. It may be a promptly available T or a promise for one.
|
|
*/
|
|
export type ComputedValue<T> = T | undefined | Promise<T | undefined>;
|
|
|
|
/**
|
|
* ComputedValues is a map of property name to optional property input, one for each resource property value.
|
|
*/
|
|
export type ComputedValues = { [key: string]: ComputedValue<any> };
|