73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
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// Copyright 2015 Google Inc. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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// Program aedeploy assists with deploying App Engine "flexible environment" Go apps to production.
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// A temporary directory is created; the app, its subdirectories, and all its
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// dependencies from $GOPATH are copied into the directory; then the app
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// is deployed to production with the provided command.
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//
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// The app must be in "package main".
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//
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// This command must be issued from within the root directory of the app
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// (where the app.yaml file is located).
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"os/exec"
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"strings"
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)
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func usage() {
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fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
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fmt.Fprintf(os.Stderr, "\t%s gcloud --verbosity debug app deploy --version myversion ./app.yaml\tDeploy app to production\n", os.Args[0])
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}
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var verbose bool
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// vlogf logs to stderr if the "-v" flag is provided.
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func vlogf(f string, v ...interface{}) {
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if !verbose {
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return
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}
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log.Printf("[aedeploy] "+f, v...)
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}
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func main() {
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flag.BoolVar(&verbose, "v", false, "Verbose logging.")
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flag.Usage = usage
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flag.Parse()
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if flag.NArg() < 1 {
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usage()
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os.Exit(1)
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}
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notice := func() {
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fmt.Fprintln(os.Stderr, `NOTICE: aedeploy is deprecated. Just use "gcloud app deploy".`)
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}
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notice()
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if err := deploy(); err != nil {
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fmt.Fprintf(os.Stderr, os.Args[0]+": Error: %v\n", err)
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notice()
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fmt.Fprintln(os.Stderr, `You might need to update gcloud. Run "gcloud components update".`)
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os.Exit(1)
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}
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notice() // Make sure they see it at the end.
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}
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// deploy calls the provided command to deploy the app from the temporary directory.
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func deploy() error {
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vlogf("Running command %v", flag.Args())
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cmd := exec.Command(flag.Arg(0), flag.Args()[1:]...)
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cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr
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if err := cmd.Run(); err != nil {
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return fmt.Errorf("unable to run %q: %v", strings.Join(flag.Args(), " "), err)
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}
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return nil
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}
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