a4c7c05e27
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.
61 lines
2.4 KiB
Go
61 lines
2.4 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package deploy
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import (
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"io"
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"github.com/pulumi/pulumi/pkg/resource"
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"github.com/pulumi/pulumi/pkg/tokens"
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)
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// A Source can generate a new set of resources that the planner will process accordingly.
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type Source interface {
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io.Closer
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// Pkg returns the package name of the Pulumi program we are obtaining resources from.
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Pkg() tokens.PackageName
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// Info returns a serializable payload that can be used to stamp snapshots for future reconciliation.
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Info() interface{}
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// Iterate begins iterating the source. Error is non-nil upon failure; otherwise, a valid iterator is returned.
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Iterate(opts Options) (SourceIterator, error)
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}
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// A SourceIterator enumerates the list of resources that a source has to offer and tracks associated state.
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type SourceIterator interface {
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io.Closer
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// Next returns the next event from the source.
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Next() (SourceEvent, error)
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}
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// SourceEvent is an event associated with the enumeration of a plan. It is an intent expressed by the source
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// program, and it is the responsibility of the engine to make it so.
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type SourceEvent interface {
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event()
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}
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// RegisterResourceEvent is a step that asks the engine to provision a resource.
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type RegisterResourceEvent interface {
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SourceEvent
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// Goal returns the goal state for the resource object that was allocated by the program.
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Goal() *resource.Goal
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// Done indicates that we are done with this step. It must be called to perform cleanup associated with the step.
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Done(result *RegisterResult)
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}
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// RegisterResult is the state of the resource after it has been registered.
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type RegisterResult struct {
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State *resource.State // the resource state.
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Stable bool // if true, the resource state is stable and may be trusted.
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Stables []resource.PropertyKey // an optional list of specific resource properties that are stable.
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}
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// RegisterResourceOutputsEvent is an event that asks the engine to complete the provisioning of a resource.
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type RegisterResourceOutputsEvent interface {
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SourceEvent
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// URN is the resource URN that this completion applies to.
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URN() resource.URN
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// Outputs returns a property map of output properties to add to a resource before completing.
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Outputs() resource.PropertyMap
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// Done indicates that we are done with this step. It must be called to perform cleanup associated with the step.
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Done()
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}
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