pulumi/pkg/resource/resource_state.go
Joe Duffy 3b93199f7a Use Outputs instead of merged Inputs+Outputs (#2659)
Fixes #2650.

We have historically relied on merging inputs and outputs in several places in the engine. This used to be necessary, as discussed in #2650 (comment), but our core engine model has moved away from depending on this. However, we still have a couple places we do this merge, and those places have triggered several severe issues recently in subtle cases.

We believe that this merging should no longer be needed for a correct interpretation of the current engine model, and indeed that doing the merge actively violates the contract with providers. In this PR we remove the remaining places where this input + output merge was being done. In all three cases, we use just the Outputs, which for most providers will already include the same values as the inputs - but correctly as determined by the provider itself.
2019-04-22 13:52:36 -07:00

71 lines
3.7 KiB
Go

// Copyright 2016-2018, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resource
import (
"github.com/pulumi/pulumi/pkg/tokens"
"github.com/pulumi/pulumi/pkg/util/contract"
)
// State is a structure containing state associated with a resource. This resource may have been serialized and
// deserialized, or snapshotted from a live graph of resource objects. The value's state is not, however, associated
// with any runtime objects in memory that may be actively involved in ongoing computations.
// nolint: lll
type State struct {
Type tokens.Type // the resource's type.
URN URN // the resource's object urn, a human-friendly, unique name for the resource.
Custom bool // true if the resource is custom, managed by a plugin.
Delete bool // true if this resource is pending deletion due to a replacement.
ID ID // the resource's unique ID, assigned by the resource provider (or blank if none/uncreated).
Inputs PropertyMap // the resource's input properties (as specified by the program).
Outputs PropertyMap // the resource's complete output state (as returned by the resource provider).
Parent URN // an optional parent URN that this resource belongs to.
Protect bool // true to "protect" this resource (protected resources cannot be deleted).
External bool // true if this resource is "external" to Pulumi and we don't control the lifecycle
Dependencies []URN // the resource's dependencies
InitErrors []string // the set of errors encountered in the process of initializing resource.
Provider string // the provider to use for this resource.
PropertyDependencies map[PropertyKey][]URN // the set of dependencies that affect each property.
PendingReplacement bool // true if this resource was deleted and is awaiting replacement.
}
// NewState creates a new resource value from existing resource state information.
func NewState(t tokens.Type, urn URN, custom bool, del bool, id ID,
inputs PropertyMap, outputs PropertyMap, parent URN, protect bool,
external bool, dependencies []URN, initErrors []string, provider string,
propertyDependencies map[PropertyKey][]URN, pendingReplacement bool) *State {
contract.Assertf(t != "", "type was empty")
contract.Assertf(custom || id == "", "is custom or had empty ID")
contract.Assertf(inputs != nil, "inputs was non-nil")
return &State{
Type: t,
URN: urn,
Custom: custom,
Delete: del,
ID: id,
Inputs: inputs,
Outputs: outputs,
Parent: parent,
Protect: protect,
External: external,
Dependencies: dependencies,
InitErrors: initErrors,
Provider: provider,
PropertyDependencies: propertyDependencies,
PendingReplacement: pendingReplacement,
}
}