fix: variable naming convention for rancher

Author: simonostendorf

README.md

@@ -148,8 +148,8 @@ was used during creation.
 | `--hetzner-firewalls`           | `HETZNER_FIREWALLS`           |                            |
 | `--hetzner-volumes`             | `HETZNER_VOLUMES`             |                            |
 | `--hetzner-use-private-network` | `HETZNER_USE_PRIVATE_NETWORK` | false                      |
-| `--hetzner-disable-public-4`    | `HETZNER_DISABLE_PUBLIC_4`    | false                      |
-| `--hetzner-disable-public-6`    | `HETZNER_DISABLE_PUBLIC_6`    | false                      |
+| `--hetzner-disable-public-ipv4` | `HETZNER_DISABLE_PUBLIC_IPV4` | false                      |
+| `--hetzner-disable-public-ipv6` | `HETZNER_DISABLE_PUBLIC_IPV6` | false                      |
 | `--hetzner-disable-public`      | `HETZNER_DISABLE_PUBLIC`      | false                      |
 | `--hetzner-server-label`        | (inoperative)                 | `[]`                       |
 | `--hetzner-key-label`           | (inoperative)                 | `[]`                       |
@@ -177,7 +177,7 @@ Hetzner assigns them at the given time, so users should take care what retention
 
 When disabling all public IPs, `--hetzner-use-private-network` must be given.
 `--hetzner-disable-public` will take care of that, and behaves as if
-`--hetzner-disable-public-4 --hetzner-disable-public-6 --hetzner-use-private-network`
+`--hetzner-disable-public-ipv4 --hetzner-disable-public-ipv6 --hetzner-use-private-network`
 were given.
 Using `--hetzner-use-private-network` implicitly or explicitly requires at least one `--hetzner-network`
 to be given.

driver.go

@@ -78,8 +78,8 @@ const (
 	flagVolumes           = "hetzner-volumes"
 	flagNetworks          = "hetzner-networks"
 	flagUsePrivateNetwork = "hetzner-use-private-network"
-	flagDisablePublic4    = "hetzner-disable-public-4"
-	flagDisablePublic6    = "hetzner-disable-public-6"
+	flagDisablePublic4    = "hetzner-disable-public-ipv4"
+	flagDisablePublic6    = "hetzner-disable-public-ipv6"
 	flagPrimary4          = "hetzner-primary-ipv4"
 	flagPrimary6          = "hetzner-primary-ipv6"
 	flagDisablePublic     = "hetzner-disable-public"
@@ -201,12 +201,12 @@ func (d *Driver) GetCreateFlags() []mcnflag.Flag {
 			Usage:  "Use private network",
 		},
 		mcnflag.BoolFlag{
-			EnvVar: "HETZNER_DISABLE_PUBLIC_4",
+			EnvVar: "HETZNER_DISABLE_PUBLIC_IPV4",
 			Name:   flagDisablePublic4,
 			Usage:  "Disable public ipv4",
 		},
 		mcnflag.BoolFlag{
-			EnvVar: "HETZNER_DISABLE_PUBLIC_6",
+			EnvVar: "HETZNER_DISABLE_PUBLIC_IPV6",
 			Name:   flagDisablePublic6,
 			Usage:  "Disable public ipv6",
 		},