54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package cliutil
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import (
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"github.com/urfave/cli/v2"
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"github.com/urfave/cli/v2/altsrc"
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"github.com/cloudflare/cloudflared/config"
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"github.com/cloudflare/cloudflared/logger"
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)
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func Action(actionFunc cli.ActionFunc) cli.ActionFunc {
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return WithErrorHandler(func(c *cli.Context) error {
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if err := setFlagsFromConfigFile(c); err != nil {
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return err
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}
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return actionFunc(c)
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})
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}
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func setFlagsFromConfigFile(c *cli.Context) error {
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const errorExitCode = 1
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log := logger.CreateLoggerFromContext(c, logger.EnableTerminalLog)
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inputSource, err := config.ReadConfigFile(c, log)
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if err != nil {
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if err == config.ErrNoConfigFile {
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return nil
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}
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return cli.Exit(err, errorExitCode)
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}
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if err := applyConfig(c, inputSource); err != nil {
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return cli.Exit(err, errorExitCode)
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}
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return nil
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}
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func applyConfig(c *cli.Context, inputSource altsrc.InputSourceContext) error {
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for _, context := range c.Lineage() {
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if context.Command == nil {
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// we've reached the placeholder root context not associated with the app
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break
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}
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targetFlags := context.Command.Flags
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if context.Command.Name == "" {
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// commands that define child subcommands are executed as if they were an app
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targetFlags = c.App.Flags
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}
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if err := altsrc.ApplyInputSourceValues(context, inputSource, targetFlags); err != nil {
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return err
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}
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}
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return nil
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}
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