124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
package main
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import (
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"errors"
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"flag"
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"net/http"
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"os"
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pflag "github.com/coreos/dex/pkg/flag"
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"github.com/coreos/dex/pkg/log"
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"github.com/coreos/go-oidc/oidc"
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)
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var (
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cliName = "dexctl"
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cliDescription = "???"
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commands []*command
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globalFS = flag.NewFlagSet(cliName, flag.ExitOnError)
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global struct {
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endpoint string
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creds oidc.ClientCredentials
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dbURL string
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help bool
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logDebug bool
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}
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)
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func init() {
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log.EnableTimestamps()
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globalFS.StringVar(&global.endpoint, "endpoint", "", "URL of dex API")
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globalFS.StringVar(&global.creds.ID, "client-id", "", "dex API user ID")
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globalFS.StringVar(&global.creds.Secret, "client-secret", "", "dex API user password")
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globalFS.StringVar(&global.dbURL, "db-url", "", "DSN-formatted database connection string")
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globalFS.BoolVar(&global.help, "help", false, "Print usage information and exit")
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globalFS.BoolVar(&global.help, "h", false, "Print usage information and exit")
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globalFS.BoolVar(&global.logDebug, "log-debug", false, "Log debug-level information")
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}
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func main() {
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err := parseFlags()
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if err != nil {
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stderr(err.Error())
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os.Exit(2)
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}
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if global.logDebug {
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log.EnableDebug()
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}
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args := globalFS.Args()
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if len(args) < 1 || global.help {
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args = []string{"help"}
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}
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var cmd *command
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for _, c := range commands {
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if c.Name == args[0] {
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cmd = c
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if err := c.Flags.Parse(args[1:]); err != nil {
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stderr("%v", err)
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os.Exit(2)
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}
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break
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}
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}
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if cmd == nil {
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stderr("%v: unknown subcommand: %q", cliName, args[0])
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stderr("Run '%v help' for usage.", cliName)
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os.Exit(2)
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}
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os.Exit(cmd.Run(cmd.Flags.Args()))
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}
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type command struct {
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Name string // Name of the command and the string to use to invoke it
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Summary string // One-sentence summary of what the command does
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Usage string // Usage options/arguments
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Description string // Detailed description of command
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Flags flag.FlagSet // Set of flags associated with this command
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Run func(args []string) int // Run a command with the given arguments, return exit status
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}
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func parseFlags() error {
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if err := globalFS.Parse(os.Args[1:]); err != nil {
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return err
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}
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return pflag.SetFlagsFromEnv(globalFS, "DEXCTL")
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}
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func getDriver() (drv driver) {
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var err error
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switch {
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case len(global.dbURL) > 0:
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drv, err = newDBDriver(global.dbURL)
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case len(global.endpoint) > 0:
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if len(global.creds.ID) == 0 || len(global.creds.Secret) == 0 {
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err = errors.New("--client-id/--client-secret flags unset")
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break
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}
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pcfg, err := oidc.FetchProviderConfig(http.DefaultClient, global.endpoint)
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if err != nil {
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stderr("Unable to fetch provider config: %v", err)
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os.Exit(1)
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}
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drv, err = newAPIDriver(pcfg, global.creds)
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default:
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err = errors.New("--endpoint/--db-url flags unset")
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}
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if err != nil {
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stderr("Unable to configure dexctl driver: %v", err)
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os.Exit(1)
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}
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return
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}
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