mirror of https://github.com/pulumi/pulumi.git
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package local
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import (
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"github.com/pulumi/pulumi/pkg/diag"
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"github.com/pulumi/pulumi/pkg/engine"
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"github.com/pulumi/pulumi/pkg/util/cmdutil"
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"github.com/pulumi/pulumi/pkg/util/contract"
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)
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// displayEvents reads events from the `events` channel until it is closed, displaying each event as it comes in.
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// Once all events have been read from the channel and displayed, it closes the `done` channel so the caller can
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// await all the events being written.
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func displayEvents(events <-chan engine.Event, done chan<- bool, debug bool) {
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spinner, ticker := cmdutil.NewSpinnerAndTicker()
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defer func() {
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ticker.Stop()
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done <- true
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}()
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for {
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select {
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case <-ticker.C:
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spinner.Tick()
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case event := <-events:
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spinner.Reset()
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switch event.Type {
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case engine.CancelEvent:
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return
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case engine.StdoutColorEvent:
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payload := event.Payload.(engine.StdoutEventPayload)
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fmt.Print(payload.Color.Colorize(payload.Message))
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case engine.DiagEvent:
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payload := event.Payload.(engine.DiagEventPayload)
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var out io.Writer
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out = os.Stdout
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if payload.Severity == diag.Error || payload.Severity == diag.Warning {
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out = os.Stderr
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}
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if payload.Severity == diag.Debug && !debug {
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out = ioutil.Discard
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}
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msg := payload.Message
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msg = payload.Color.Colorize(msg)
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_, fmterr := fmt.Fprint(out, msg)
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contract.IgnoreError(fmterr)
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default:
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contract.Failf("unknown event type '%s'", event.Type)
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}
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}
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}
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}
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