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package main
import (
"context"
"fmt"
"os"
"runtime"
"runtime/debug"
"strings"
"github.com/railwayapp/cli/cmd"
"github.com/railwayapp/cli/constants"
"github.com/railwayapp/cli/entity"
"github.com/railwayapp/cli/ui"
"github.com/spf13/cobra"
)
var rootCmd = &cobra.Command{
Use: "railway",
SilenceUsage: true,
SilenceErrors: true,
Version: constants.Version,
Short: "🚅 Railway. Infrastructure, Instantly.",
Long: "Interact with 🚅 Railway via CLI \n\n Deploy infrastructure, instantly. Docs: https://docs.railway.app",
}
func addRootCmd(cmd *cobra.Command) *cobra.Command {
rootCmd.AddCommand(cmd)
return cmd
}
// contextualize converts a HandlerFunction to a cobra function
func contextualize(fn entity.HandlerFunction, panicFn entity.PanicFunction) entity.CobraFunction {
return func(cmd *cobra.Command, args []string) error {
ctx := context.Background()
defer func() {
// Skip recover during development, so we can see the panic stack traces instead of going
// through the "send to Railway" flow and hiding the stack from the user
if constants.IsDevVersion() {
return
}
if r := recover(); r != nil {
err := panicFn(ctx, fmt.Sprint(r), string(debug.Stack()), cmd.Name(), args)
if err != nil {
fmt.Println("Unable to relay panic to server. Are you connected to the internet?")
}
}
}()
req := &entity.CommandRequest{
Cmd: cmd,
Args: args,
}
err := fn(ctx, req)
if err != nil {
// TODO: Make it *pretty*
fmt.Println(err.Error())
os.Exit(1) // Set non-success exit code on error
}
return nil
}
}
func init() {
// Initializes all commands
handler := cmd.New()
rootCmd.PersistentFlags().BoolP("verbose", "v", false, "Print verbose output")
loginCmd := addRootCmd(&cobra.Command{
Use: "login",
Short: "Login to your Railway account",
RunE: contextualize(handler.Login, handler.Panic),
})
loginCmd.Flags().Bool("browserless", false, "--browserless")
addRootCmd(&cobra.Command{
Use: "logout",
Short: "Logout of your Railway account",
RunE: contextualize(handler.Logout, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "whoami",
Short: "Get the current logged in user",
RunE: contextualize(handler.Whoami, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "init",
Short: "Create a new Railway project",
PersistentPreRunE: contextualize(handler.CheckVersion, handler.Panic),
RunE: contextualize(handler.Init, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "link",
Short: "Associate existing project with current directory, may specify projectId as an argument",
PersistentPreRunE: contextualize(handler.CheckVersion, handler.Panic),
RunE: contextualize(handler.Link, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "unlink",
Short: "Disassociate project from current directory",
RunE: contextualize(handler.Unlink, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "delete [projectId]",
Short: "Delete Project, may specify projectId as an argument",
RunE: contextualize(handler.Delete, handler.Panic),
Args: cobra.MinimumNArgs(1),
})
addRootCmd(&cobra.Command{
Use: "disconnect",
RunE: contextualize(handler.Unlink, handler.Panic),
Deprecated: "Please use 'railway unlink' instead", /**/
})
addRootCmd(&cobra.Command{
Use: "env",
RunE: contextualize(handler.Variables, handler.Panic),
Deprecated: "Please use 'railway variables' instead", /**/
})
variablesCmd := addRootCmd(&cobra.Command{
Use: "variables",
Aliases: []string{"vars"},
Short: "Show variables for active environment",
RunE: contextualize(handler.Variables, handler.Panic),
})
variablesCmd.Flags().StringP("service", "s", "", "Fetch variables accessible to a specific service")
variablesAddCmd := &cobra.Command{
Use: "get key",
Short: "Get the value of a variable",
RunE: contextualize(handler.VariablesGet, handler.Panic),
Args: cobra.MinimumNArgs(1),
Example: " railway variables get MY_KEY",
}
variablesCmd.AddCommand(variablesAddCmd)
variablesAddCmd.Flags().StringP("service", "s", "", "Fetch variables accessible to a specific service")
variablesSetCmd := &cobra.Command{
Use: "set key=value",
Short: "Create or update the value of a variable",
RunE: contextualize(handler.VariablesSet, handler.Panic),
Args: cobra.MinimumNArgs(1),
Example: " railway variables set NODE_ENV=prod NODE_VERSION=12",
}
variablesCmd.AddCommand(variablesSetCmd)
variablesSetCmd.Flags().StringP("service", "s", "", "Fetch variables accessible to a specific service")
variablesDeleteCmd := &cobra.Command{
Use: "delete key",
Short: "Delete a variable",
RunE: contextualize(handler.VariablesDelete, handler.Panic),
Example: " railway variables delete MY_KEY",
}
variablesCmd.AddCommand(variablesDeleteCmd)
variablesDeleteCmd.Flags().StringP("service", "s", "", "Fetch variables accessible to a specific service")
addRootCmd(&cobra.Command{
Use: "status",
Short: "Show information about the current project",
RunE: contextualize(handler.Status, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "environment",
Short: "Change the active environment",
RunE: contextualize(handler.Environment, handler.Panic),
})
openCmd := addRootCmd(&cobra.Command{
Use: "open",
Short: "Open your project dashboard",
RunE: contextualize(handler.Open, handler.Panic),
})
openCmd.AddCommand(&cobra.Command{
Use: "metrics",
Short: "Open project metrics",
Aliases: []string{"m"},
RunE: contextualize(handler.Open, handler.Panic),
})
openCmd.AddCommand(&cobra.Command{
Use: "settings",
Short: "Open project settings",
Aliases: []string{"s"},
RunE: contextualize(handler.Open, handler.Panic),
})
openCmd.AddCommand(&cobra.Command{
Use: "live",
Short: "Open the deployed application",
Aliases: []string{"l"},
RunE: contextualize(handler.OpenApp, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "list",
Short: "List all projects in your Railway account",
RunE: contextualize(handler.List, handler.Panic),
})
runCmd := addRootCmd(&cobra.Command{
Use: "run",
Short: "Run a local command using variables from the active environment",
PersistentPreRunE: contextualize(handler.CheckVersion, handler.Panic),
RunE: contextualize(handler.Run, handler.Panic),
DisableFlagParsing: true,
})
runCmd.Flags().Bool("ephemeral", false, "Run the local command in an ephemeral environment")
runCmd.Flags().String("service", "", "Run the local command in an ephemeral environment")
addRootCmd(&cobra.Command{
Use: "protect",
Short: "[EXPERIMENTAL!] Protect current branch (Actions will require confirmation)",
RunE: contextualize(handler.Protect, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "version",
Short: "Get the version of the Railway CLI",
PersistentPreRunE: contextualize(handler.CheckVersion, handler.Panic),
RunE: contextualize(handler.Version, handler.Panic),
})
upCmd := addRootCmd(&cobra.Command{
Use: "up [path]",
Short: "Upload and deploy project from the current directory",
RunE: contextualize(handler.Up, handler.Panic),
})
upCmd.Flags().BoolP("detach", "d", false, "Detach from cloud build/deploy logs")
upCmd.Flags().StringP("environment", "e", "", "Specify an environment to up onto")
upCmd.Flags().StringP("service", "s", "", "Fetch variables accessible to a specific service")
downCmd := addRootCmd(&cobra.Command{
Use: "down",
Short: "Remove the most recent deployment",
RunE: contextualize(handler.Down, handler.Panic),
})
downCmd.Flags().StringP("environment", "e", "", "Specify an environment to delete from")
addRootCmd(&cobra.Command{
Use: "logs",
Short: "View the most-recent deploy's logs",
RunE: contextualize(handler.Logs, handler.Panic),
}).Flags().Int32P("lines", "n", 0, "Output a specific number of lines")
addRootCmd(&cobra.Command{
Use: "docs",
Short: "Open Railway Documentation in default browser",
RunE: contextualize(handler.Docs, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "add",
Short: "Add a new plugin to your project",
RunE: contextualize(handler.Add, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "connect",
Short: "Open an interactive shell to a database",
RunE: contextualize(handler.Connect, handler.Panic),
})
addRootCmd(&cobra.Command{
Hidden: true,
Use: "design",
Short: "Print CLI design components",
RunE: contextualize(handler.Design, handler.Panic),
})
addRootCmd(&cobra.Command{
Use: "completion [bash|zsh|fish|powershell]",
Short: "Generate completion script",
Long: `To load completions:
Bash:
$ source <(railway completion bash)
# To load completions for each session, execute once:
# Linux:
$ railway completion bash > /etc/bash_completion.d/railway
# macOS:
$ railway completion bash > /usr/local/etc/bash_completion.d/railway
Zsh:
# If shell completion is not already enabled in your environment,
# you will need to enable it. You can execute the following once:
$ echo "autoload -U compinit; compinit" >> ~/.zshrc
# To load completions for each session, execute once:
$ railway completion zsh > "${fpath[1]}/_railway"
# You will need to start a new shell for this setup to take effect.
fish:
$ railway completion fish | source
# To load completions for each session, execute once:
$ railway completion fish > ~/.config/fish/completions/railway.fish
PowerShell:
PS> railway completion powershell | Out-String | Invoke-Expression
# To load completions for every new session, run:
PS> railway completion powershell > railway.ps1
# and source this file from your PowerShell profile.
`,
DisableFlagsInUseLine: true,
ValidArgs: []string{"bash", "zsh", "fish", "powershell"},
Args: cobra.ExactValidArgs(1),
RunE: contextualize(handler.Completion, handler.Panic),
})
}
func main() {
if _, err := os.Stat("/proc/version"); !os.IsNotExist(err) && runtime.GOOS == "windows" {
fmt.Printf("%s : Running in Non standard shell!\n Please consider using something like WSL!\n", ui.YellowText(ui.Bold("[WARNING!]").String()).String())
}
if err := rootCmd.Execute(); err != nil {
if strings.Contains(err.Error(), "unknown command") {
suggStr := "\nS"
suggestions := rootCmd.SuggestionsFor(os.Args[1])
if len(suggestions) > 0 {
suggStr = fmt.Sprintf(" Did you mean \"%s\"?\nIf not, s", suggestions[0])
}
fmt.Println(fmt.Sprintf("Unknown command \"%s\" for \"%s\".%s"+
"ee \"railway --help\" for available commands.",
os.Args[1], rootCmd.CommandPath(), suggStr))
} else {
fmt.Println(err)
}
os.Exit(1)
}
}