0b6e262b46
This change renames two provider methods:
* Read becomes Get.
* UpdateImpact becomes PreviewUpdate.
These just read a whole lot nicer than the old names.
91 lines
3.9 KiB
Protocol Buffer
91 lines
3.9 KiB
Protocol Buffer
// Copyright 2017 Pulumi, Inc. All rights reserved.
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syntax = "proto3";
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import "google/protobuf/empty.proto";
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import "google/protobuf/struct.proto";
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package cocorpc;
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// TODO: figure out "transactionality" and possibly "tainting".
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// ResourceProvider is a service that understands how to create, read, update, or delete resources for types defined
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// within a single MuPackage. It is driven by the overall Mu toolchain in response to blueprints and graphs.
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service ResourceProvider {
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// Check validates that the given property bag is valid for a resource of the given type.
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rpc Check(CheckRequest) returns (CheckResponse) {}
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// Name names a given resource. Sometimes this will be assigned by a developer, and so the provider
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// simply fetches it from the property bag; other times, the provider will assign this based on its own algorithm.
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// In any case, resources with the same name must be safe to use interchangeably with one another.
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rpc Name(NameRequest) returns (NameResponse) {}
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// Create allocates a new instance of the provided resource and returns its unique ID afterwards. (The input ID
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// must be blank.) If this call fails, the resource must not have been created (i.e., it is "transacational").
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rpc Create(CreateRequest) returns (CreateResponse) {}
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// Get reads the instance state identified by ID, returning a populated resource object, or an error if not found.
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rpc Get(GetRequest) returns (GetResponse) {}
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// PreviewUpdate checks what impacts a hypothetical update will have on the resource's properties.
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rpc PreviewUpdate(UpdateRequest) returns (PreviewUpdateResponse) {}
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// Update updates an existing resource with new values.
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rpc Update(UpdateRequest) returns (google.protobuf.Empty) {}
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// Delete tears down an existing resource with the given ID. If it fails, the resource is assumed to still exist.
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rpc Delete(DeleteRequest) returns (google.protobuf.Empty) {}
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}
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message CheckRequest {
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string type = 1; // the type token of the resource.
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google.protobuf.Struct properties = 2; // the full properties to use for validation.
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}
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message CheckResponse {
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repeated CheckFailure failures = 1; // the name of the resource.
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}
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message CheckFailure {
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string property = 1; // the property that failed validation.
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string reason = 2; // the reason that the property failed validation.
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}
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message NameRequest {
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string type = 1; // the type token of the resource.
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google.protobuf.Struct properties = 2; // the full properties to use for name creation.
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}
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message NameResponse {
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string name = 1; // the name of the resource.
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}
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message CreateRequest {
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string type = 1; // the type token of the resource.
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google.protobuf.Struct properties = 2; // the properties to set during creation.
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}
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message CreateResponse {
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string id = 1; // the ID of the resource created.
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}
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message GetRequest {
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string id = 1; // the ID of the resource to read.
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string type = 2; // the type token of the resource.
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}
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message GetResponse {
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google.protobuf.Struct properties = 1; // the properties read from the resource.
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}
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message UpdateRequest {
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string id = 1; // the ID of the resource to update.
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string type = 2; // the type token of the resource to update.
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google.protobuf.Struct olds = 3; // the old values of properties to update.
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google.protobuf.Struct news = 4; // the new values of properties to update.
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}
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message PreviewUpdateResponse {
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repeated string replaces = 1; // if this update requires a replacement, the set of properties triggering it.
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google.protobuf.Struct changes = 2; // the set of properties that will be changed (but don't require a replacement).
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}
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message DeleteRequest {
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string id = 1; // the ID of the resource to delete.
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string type = 2; // the type token of the resource to update.
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}
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