66 lines
2.2 KiB
Go
66 lines
2.2 KiB
Go
// Copyright 2017, Pulumi Corporation. All rights reserved.
|
|
|
|
package engine
|
|
|
|
import (
|
|
"github.com/pkg/errors"
|
|
"github.com/pulumi/pulumi/pkg/diag"
|
|
"github.com/pulumi/pulumi/pkg/tokens"
|
|
"github.com/pulumi/pulumi/pkg/util/contract"
|
|
)
|
|
|
|
type PreviewOptions struct {
|
|
Package string // the package to compute the preview for
|
|
Analyzers []string // an optional set of analyzers to run as part of this deployment.
|
|
Parallel int // the degree of parallelism for resource operations (<=1 for serial).
|
|
ShowConfig bool // true to show the configuration variables being used.
|
|
ShowReplacementSteps bool // true to show the replacement steps in the plan.
|
|
ShowSames bool // true to show the resources that aren't updated, in addition to those that are.
|
|
Summary bool // true if we should only summarize resources and operations.
|
|
}
|
|
|
|
func (eng *Engine) Preview(environment tokens.QName, events chan Event, opts PreviewOptions) error {
|
|
contract.Require(environment != tokens.QName(""), "environment")
|
|
contract.Require(events != nil, "events")
|
|
|
|
info, err := eng.planContextFromEnvironment(environment, opts.Package)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
diag := newEventSink(events, diag.FormatOptions{
|
|
Colors: true,
|
|
})
|
|
|
|
deployOpts := deployOptions{
|
|
Destroy: false,
|
|
DryRun: true,
|
|
Analyzers: opts.Analyzers,
|
|
Parallel: opts.Parallel,
|
|
ShowConfig: opts.ShowConfig,
|
|
ShowReplacementSteps: opts.ShowReplacementSteps,
|
|
ShowSames: opts.ShowSames,
|
|
Summary: opts.Summary,
|
|
Events: events,
|
|
Diag: diag,
|
|
}
|
|
|
|
defer close(events)
|
|
|
|
result, err := eng.plan(info, deployOpts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if result != nil {
|
|
defer contract.IgnoreClose(result)
|
|
if err := eng.printPlan(result); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if !diag.Success() {
|
|
// If any error occurred while walking the plan, be sure to let the developer know. Otherwise,
|
|
// although error messages may have spewed to the output, the final lines of the plan may look fine.
|
|
return errors.New("One or more errors occurred during the creation of this preview")
|
|
}
|
|
return nil
|
|
}
|