2d6579acee
- Allow callers to provide a parent span for the engine's operations - Tag each plan context with the name of its associated operation
104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
// 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/diag"
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"github.com/pulumi/pulumi/pkg/resource"
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"github.com/pulumi/pulumi/pkg/resource/deploy"
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"github.com/pulumi/pulumi/pkg/util/contract"
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)
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func Preview(u UpdateInfo, ctx *Context, opts UpdateOptions) error {
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contract.Require(u != nil, "u")
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contract.Require(ctx != nil, "ctx")
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defer func() { ctx.Events <- cancelEvent() }()
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info, err := newPlanContext(u, "preview", ctx.ParentSpan)
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if err != nil {
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return err
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}
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defer info.Close()
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emitter := makeEventEmitter(ctx.Events, u)
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return preview(ctx, info, planOptions{
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UpdateOptions: opts,
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SourceFunc: newUpdateSource,
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Events: emitter,
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Diag: newEventSink(emitter),
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})
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}
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func preview(ctx *Context, info *planContext, opts planOptions) error {
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result, err := plan(info, opts, true /*dryRun*/)
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if err != nil {
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return err
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}
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if result != nil {
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defer contract.IgnoreClose(result)
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// Make the current working directory the same as the program's, and restore it upon exit.
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done, err := result.Chdir()
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if err != nil {
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return err
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}
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defer done()
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if _, err := printPlan(ctx, result, true /*dryRun*/); err != nil {
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return err
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}
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}
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return nil
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}
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type previewActions struct {
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Refresh bool
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Ops map[deploy.StepOp]int
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Opts planOptions
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Seen map[resource.URN]deploy.Step
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}
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func newPreviewActions(opts planOptions) *previewActions {
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return &previewActions{
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Ops: make(map[deploy.StepOp]int),
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Opts: opts,
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Seen: make(map[resource.URN]deploy.Step),
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}
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}
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func (acts *previewActions) OnResourceStepPre(step deploy.Step) (interface{}, error) {
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acts.Seen[step.URN()] = step
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acts.Opts.Events.resourcePreEvent(step, true /*planning*/, acts.Opts.Debug)
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return nil, nil
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}
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func (acts *previewActions) OnResourceStepPost(ctx interface{},
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step deploy.Step, status resource.Status, err error) error {
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assertSeen(acts.Seen, step)
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if err != nil {
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acts.Opts.Diag.Errorf(diag.GetPreviewFailedError(step.URN()), err)
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} else {
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// Track the operation if shown and/or if it is a logically meaningful operation.
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if step.Logical() {
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acts.Ops[step.Op()]++
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}
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_ = acts.OnResourceOutputs(step)
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}
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return nil
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}
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func (acts *previewActions) OnResourceOutputs(step deploy.Step) error {
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assertSeen(acts.Seen, step)
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// Print the resource outputs separately, unless this is a refresh in which case they are already printed.
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if !acts.Opts.SkipOutputs {
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acts.Opts.Events.resourceOutputsEvent(step, true /*planning*/, acts.Opts.Debug)
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}
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return nil
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}
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