47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
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// Copyright 2018, Pulumi Corporation. All rights reserved.
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package engine
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import (
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"github.com/pulumi/pulumi/pkg/resource/deploy"
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"github.com/pulumi/pulumi/pkg/resource/plugin"
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"github.com/pulumi/pulumi/pkg/util/contract"
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"github.com/pulumi/pulumi/pkg/workspace"
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)
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func Refresh(u UpdateInfo, events chan<- Event, opts UpdateOptions, dryRun bool) (ResourceChanges, error) {
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contract.Require(u != nil, "u")
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defer func() { events <- cancelEvent() }()
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ctx, err := newPlanContext(u)
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if err != nil {
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return nil, err
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}
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defer ctx.Close()
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emitter := makeEventEmitter(events, u)
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return update(ctx, planOptions{
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UpdateOptions: opts,
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SkipOutputs: true, // refresh is exclusively about outputs
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SourceFunc: newRefreshSource,
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Events: emitter,
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Diag: newEventSink(emitter),
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}, dryRun)
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}
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func newRefreshSource(opts planOptions, proj *workspace.Project, pwd, main string,
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target *deploy.Target, plugctx *plugin.Context, dryRun bool) (deploy.Source, error) {
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// First, consult the manifest for the plugins we will need to ask to refresh the state.
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if target != nil && target.Snapshot != nil {
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if err := plugctx.Host.EnsurePlugins(target.Snapshot.Manifest.Plugins); err != nil {
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return nil, err
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}
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}
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// Now create a refresh source. This source simply loads up the current checkpoint state, enumerates it,
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// and refreshes each state with the current cloud provider's view of it.
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return deploy.NewRefreshSource(plugctx, proj, target, dryRun), nil
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}
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