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Error during atlantis bootstrap if ngrok running #81

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merged 1 commit into from
Mar 20, 2018
Merged

Error during atlantis bootstrap if ngrok running #81

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42 changes: 26 additions & 16 deletions bootstrap/bootstrap.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ package bootstrap
import (
"context"
"fmt"
"net"
"os"
"os/exec"
"os/signal"
Expand Down Expand Up @@ -80,7 +81,7 @@ Follow these instructions to create a token (we don't store any tokens):
githubClient := &Client{client: github.NewClient(tp.Client()), ctx: context.Background()}

// Fork terraform example repo.
colorstring.Printf("\n[white]=> forking repo ")
colorstring.Println("\n[white]=> forking repo ")
s.Start()
if err := githubClient.CreateFork(terraformExampleRepoOwner, terraformExampleRepo); err != nil {
return errors.Wrapf(err, "forking repo %s/%s", terraformExampleRepoOwner, terraformExampleRepo)
Expand All @@ -89,19 +90,19 @@ Follow these instructions to create a token (we don't store any tokens):
return fmt.Errorf("didn't find forked repo %s/%s. fork unsuccessful", terraformExampleRepoOwner, terraformExampleRepoOwner)
}
s.Stop()
colorstring.Println("\n[green]=> fork completed!")
colorstring.Println("[green]=> fork completed!")

// Detect terraform and install it if not installed.
_, err := exec.LookPath("terraform")
if err != nil {
colorstring.Println("[yellow]=> terraform not found in $PATH.")
colorstring.Printf("[white]=> downloading terraform ")
colorstring.Println("[white]=> downloading terraform ")
s.Start()
terraformDownloadURL := fmt.Sprintf("%s/terraform/%s/terraform_%s_%s_%s.zip", hashicorpReleasesURL, terraformVersion, terraformVersion, runtime.GOOS, runtime.GOARCH)
if err = downloadAndUnzip(terraformDownloadURL, "/tmp/terraform.zip", "/tmp"); err != nil {
return errors.Wrapf(err, "downloading and unzipping terraform")
}
colorstring.Println("\n[green]=> downloaded terraform successfully!")
colorstring.Println("[green]=> downloaded terraform successfully!")
s.Stop()

var terraformCmd *exec.Cmd
Expand All @@ -116,18 +117,27 @@ Follow these instructions to create a token (we don't store any tokens):
}

// Download ngrok.
colorstring.Printf("[white]=> downloading ngrok ")
colorstring.Println("[white]=> downloading ngrok ")
s.Start()
ngrokURL := fmt.Sprintf("%s/ngrok-stable-%s-%s.zip", ngrokDownloadURL, runtime.GOOS, runtime.GOARCH)
if err = downloadAndUnzip(ngrokURL, "/tmp/ngrok.zip", "/tmp"); err != nil {
return errors.Wrapf(err, "downloading and unzipping ngrok")
}
s.Stop()
colorstring.Println("\n[green]=> downloaded ngrok successfully!")
colorstring.Println("[green]=> downloaded ngrok successfully!")

// Create ngrok tunnel.
colorstring.Printf("[white]=> creating secure tunnel ")
colorstring.Println("[white]=> creating secure tunnel")
s.Start()
// Check if there is already an ngrok running by seeing if there's already
// something bound to its API port.
conn, err := net.Dial("tcp", ngrokAPIURL)
// We expect an error.
if err == nil {
conn.Close() // nolint: errcheck
return errors.New("unable to start ngrok because there is already something bound to its API port: " + ngrokAPIURL)
}

ngrokCmd, err := executeCmd("/tmp/ngrok", []string{"http", "4141"})
if err != nil {
return errors.Wrapf(err, "creating ngrok tunnel")
Expand All @@ -143,15 +153,15 @@ Follow these instructions to create a token (we don't store any tokens):
// Wait for the tunnel to be up.
time.Sleep(2 * time.Second)
s.Stop()
colorstring.Println("\n[green]=> started tunnel!")
colorstring.Println("[green]=> started tunnel!")
tunnelURL, err := getTunnelAddr()
if err != nil {
return errors.Wrapf(err, "getting tunnel url")
}
s.Stop()

// Start atlantis server.
colorstring.Printf("[white]=> starting atlantis server ")
colorstring.Println("[white]=> starting atlantis server")
s.Start()
atlantisCmd, err := executeCmd(os.Args[0], []string{"server", "--gh-user", githubUsername, "--gh-token", githubToken, "--data-dir", "/tmp/atlantis/data", "--atlantis-url", tunnelURL, "--repo-whitelist", fmt.Sprintf("github.com/%s/%s", githubUsername, terraformExampleRepo)})
if err != nil {
Expand All @@ -164,31 +174,31 @@ Follow these instructions to create a token (we don't store any tokens):
}()
// When this function returns atlantis server should be stopped.
defer atlantisCmd.Process.Kill()
colorstring.Printf("\n[green]=> atlantis server is now securely exposed at [bold][underline]%s", tunnelURL)
colorstring.Printf("[green]=> atlantis server is now securely exposed at [bold][underline]%s\n", tunnelURL)
fmt.Println("")

// Create atlantis webhook.
colorstring.Printf("[white]=> creating atlantis webhook ")
colorstring.Println("[white]=> creating atlantis webhook")
s.Start()
err = githubClient.CreateWebhook(githubUsername, terraformExampleRepo, fmt.Sprintf("%s/events", tunnelURL))
if err != nil {
return errors.Wrapf(err, "creating atlantis webhook")
}
s.Stop()
colorstring.Println("\n[green]=> atlantis webhook created!")
colorstring.Println("[green]=> atlantis webhook created!")

// Create a new pr in the example repo.
colorstring.Printf("[white]=> creating a new pull request ")
colorstring.Println("[white]=> creating a new pull request")
s.Start()
pullRequestURL, err := githubClient.CreatePullRequest(githubUsername, terraformExampleRepo, "example", "master")
if err != nil {
return errors.Wrapf(err, "creating new pull request for repo %s/%s", githubUsername, terraformExampleRepo)
}
s.Stop()
colorstring.Println("\n[green]=> pull request created!")
colorstring.Println("[green]=> pull request created!")

// Open new pull request in the browser.
colorstring.Printf("[white]=> opening pull request ")
colorstring.Println("[white]=> opening pull request")
s.Start()
time.Sleep(2 * time.Second)
_, err = executeCmd("open", []string{pullRequestURL})
Expand All @@ -198,7 +208,7 @@ Follow these instructions to create a token (we don't store any tokens):
s.Stop()

// Wait for ngrok and atlantis server process to finish.
colorstring.Printf("\n[_green_][light_green]atlantis is running ")
colorstring.Println("[_green_][light_green]atlantis is running ")
s.Start()
colorstring.Println("[green] [press Ctrl-c to exit]")

Expand Down
4 changes: 2 additions & 2 deletions bootstrap/utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ import (
var hashicorpReleasesURL = "https://releases.hashicorp.com"
var terraformVersion = "0.10.8"
var ngrokDownloadURL = "https://bin.equinox.io/c/4VmDzA7iaHb"
var ngrokAPIURL = "http://localhost:4040"
var ngrokAPIURL = "localhost:4040"

func readPassword() (string, error) {
password, err := terminal.ReadPassword(syscall.Stdin)
Expand Down Expand Up @@ -90,7 +90,7 @@ func unzip(archive, target string) error {
}

func getTunnelAddr() (string, error) {
response, err := http.Get(fmt.Sprintf("%s/api/tunnels", ngrokAPIURL))
response, err := http.Get(fmt.Sprintf("http://%s/api/tunnels", ngrokAPIURL))
if err != nil {
return "", err
}
Expand Down
1 change: 1 addition & 0 deletions cmd/bootstrap.go
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Original file line number Diff line number Diff line change
Expand Up @@ -36,5 +36,6 @@ func (b *BootstrapCmd) Init() *cobra.Command {
}
return err
},
SilenceErrors: true,
}
}