97ace29ab1
These changes enable tracing of Pulumi API calls. The span with which to associate an API call is passed via a `context.Context` parameter. This required plumbing a `context.Context` parameter through a rather large number of APIs, especially in the backend. In general, all API calls are associated with a new root span that exists for essentially the entire lifetime of an invocation of the Pulumi CLI. There were a few places where the plumbing got a bit hairier than I was willing to address with these changes; I've used `context.Background()` in these instances. API calls that receive this context will create new root spans, but will still be traced.
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
// Copyright 2016-2018, Pulumi Corporation. All rights reserved.
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package cmd
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import (
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"encoding/json"
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"os"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/pulumi/pulumi/pkg/util/cmdutil"
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)
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func newStackExportCmd() *cobra.Command {
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var file string
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cmd := &cobra.Command{
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Use: "export",
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Args: cmdutil.MaximumNArgs(0),
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Short: "Export a stack's deployment to standard out",
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Long: "Export a stack's deployment to standard out.\n" +
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"\n" +
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"The deployment can then be hand-edited and used to update the stack via\n" +
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"`pulumi stack import`. This process may be used to correct inconsistencies\n" +
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"in a stack's state due to failed deployments, manual changes to cloud\n" +
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"resources, etc.",
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Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
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// Fetch the current stack and export its deployment
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s, err := requireCurrentStack(false)
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if err != nil {
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return err
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}
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deployment, err := s.ExportDeployment(commandContext())
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if err != nil {
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return err
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}
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// Read from stdin or a specified file.
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writer := os.Stdout
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if file != "" {
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writer, err = os.Create(file)
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if err != nil {
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return errors.Wrap(err, "could not open file")
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}
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}
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// Write the deployment.
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enc := json.NewEncoder(writer)
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enc.SetIndent("", " ")
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if err = enc.Encode(deployment); err != nil {
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return errors.Wrap(err, "could not export deployment")
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}
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return nil
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}),
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}
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cmd.PersistentFlags().StringVarP(
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&file, "file", "", "", "A filename to write stack output to")
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return cmd
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}
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