48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
// Copyright 2017, Pulumi Corporation. All rights reserved.
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package engine
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import (
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"io"
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"github.com/pulumi/pulumi-fabric/pkg/diag"
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"github.com/pulumi/pulumi-fabric/pkg/resource/deploy"
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"github.com/pulumi/pulumi-fabric/pkg/resource/environment"
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"github.com/pulumi/pulumi-fabric/pkg/tokens"
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"github.com/pulumi/pulumi-fabric/pkg/util/contract"
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)
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type Engine struct {
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Stdout io.Writer
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Stderr io.Writer
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snk diag.Sink
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Environment EnvironmentProvider
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}
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func (e *Engine) Diag() diag.Sink {
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if e.snk == nil {
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e.InitDiag(diag.FormatOptions{})
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}
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return e.snk
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}
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func (e *Engine) InitDiag(opts diag.FormatOptions) {
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contract.Assertf(e.snk == nil, "Cannot initialize diagnostics sink more than once")
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// Force using our stdout and stderr
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opts.Stdout = e.Stdout
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opts.Stderr = e.Stderr
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e.snk = diag.DefaultSink(opts)
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}
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// EnvironmentProvider abstracts away retriving and storing environments
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type EnvironmentProvider interface {
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// GetEnvironment returns the environment named by `name` or a non nil error
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GetEnvironment(name tokens.QName) (*deploy.Target, *deploy.Snapshot, *environment.Checkpoint, error)
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// SaveEnvironment saves an environment o be retrieved later by GetEnvironment
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SaveEnvironment(env *deploy.Target, snap *deploy.Snapshot) error
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// RemoveEnvironment removes an environment from the system
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RemoveEnvironment(env *deploy.Target) error
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}
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