mirror of https://github.com/pulumi/pulumi.git
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright 2017, Pulumi Corporation. All rights reserved.
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package engine
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import (
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opentracing "github.com/opentracing/opentracing-go"
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"github.com/pkg/errors"
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"github.com/pulumi/pulumi/pkg/resource/deploy"
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"github.com/pulumi/pulumi/pkg/tokens"
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"github.com/pulumi/pulumi/pkg/util/contract"
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)
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// Callers must call Close on the resulting planContext once they have completed the associated planning operation
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func (eng *Engine) planContextFromStack(name tokens.QName, pkgarg string) (*planContext, error) {
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contract.Require(name != tokens.QName(""), "name")
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// Read in the deployment information, bailing if an IO error occurs.
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target, err := eng.Targets.GetTarget(name)
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if err != nil {
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return nil, errors.Wrap(err, "could not read target information")
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}
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snapshot, err := eng.Snapshots.GetSnapshot(name)
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if err != nil {
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return nil, errors.Wrap(err, "could not read snapshot information")
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}
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contract.Assert(target != nil)
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// Create a root span for the operation
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tracingSpan := opentracing.StartSpan("pulumi-plan")
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return &planContext{
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Target: target,
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Snapshot: snapshot,
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PackageArg: pkgarg,
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TracingSpan: tracingSpan,
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}, nil
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}
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type planContext struct {
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Target *deploy.Target // the target stack.
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Snapshot *deploy.Snapshot // the stack's latest deployment snapshot
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PackageArg string // an optional path to a package to pass to the compiler
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TracingSpan opentracing.Span // An OpenTracing span to parent plan operations within.
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}
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func (ctx *planContext) Close() {
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ctx.TracingSpan.Finish()
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}
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