Add the ability to print curl commands from CLI (#6113)

command/base.go

@@ -50,8 +50,9 @@ type BaseCommand struct {
 	flagTLSSkipVerify  bool
 	flagWrapTTL        time.Duration
 
-	flagFormat string
-	flagField  string
+	flagFormat           string
+	flagField            string
+	flagOutputCurlString bool
 
 	flagMFA []string
 
@@ -78,6 +79,10 @@ func (c *BaseCommand) Client() (*api.Client, error) {
 		config.Address = c.flagAddress
 	}
 
+	if c.flagOutputCurlString {
+		config.OutputCurlString = c.flagOutputCurlString
+	}
+
 	// If we need custom TLS configuration, then set it
 	if c.flagCACert != "" || c.flagCAPath != "" || c.flagClientCert != "" ||
 		c.flagClientKey != "" || c.flagTLSServerName != "" || c.flagTLSSkipVerify {
@@ -325,6 +330,15 @@ func (c *BaseCommand) flagSet(bit FlagSetBit) *FlagSets {
 				Completion: complete.PredictAnything,
 				Usage:      "Supply MFA credentials as part of X-Vault-MFA header.",
 			})
+
+			f.BoolVar(&BoolVar{
+				Name:    "output-curl-string",
+				Target:  &c.flagOutputCurlString,
+				Default: false,
+				Usage: "Instead of executing the request, print an equivalent cURL " +
+					"command string and exit.",
+			})
+
 		}
 
 		if bit&(FlagSetOutputField|FlagSetOutputFormat) != 0 {