15a75c9ee4
We fail very late in the process of plan application, should a duplicate URN arise. This change fails as early in the process as possible and ensures that it does so with good line number information.
47 lines
1.9 KiB
Go
47 lines
1.9 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/lumi/pkg/compiler/symbols"
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"github.com/pulumi/lumi/pkg/diag"
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"github.com/pulumi/lumi/pkg/resource"
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"github.com/pulumi/lumi/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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// 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() (SourceIterator, error)
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}
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// A SourceIterator enumerates the list of resources that a source has to offer.
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type SourceIterator interface {
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io.Closer
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// Produce registers a resource that was produced during the iteration, to publish next time.
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Produce(res *resource.Object)
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// Next returns the next step from the source. If the source allocation is non-nil, it represents the creation of
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// a resource object; if query is non-nil, it represents querying the resources; if both error and the other
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// objects are nil, then the iterator has completed its job and no subsequent calls to next should be made.
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Next() (*SourceAllocation, *SourceQuery, error)
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}
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// SourceAllocation is used when a resource object is allocated.
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type SourceAllocation struct {
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Loc diag.Diagable // the location this object was allocated at.
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Obj *resource.Object // the resource object.
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Ctx tokens.Module // the context in which the resource was allocated, used in the production of URNs.
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}
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// SourceQuery is used when a query function is to be performed.
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type SourceQuery struct {
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Type symbols.Type // the type of resource being queried.
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GetID resource.ID // the resource ID to get (for gets only).
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QueryFilter resource.PropertyMap // the query's filter (for queries only).
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}
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