Fix availability zone

Author: JohannesHepp

hack/provider.yaml.tpl

@@ -94,8 +94,17 @@ options:
     password: false
     suggestions:
     - eu01
-    - eu02
-    default: ""
+    default: "eu01"
+  STACKIT_AVAILABILITY_ZONE:
+      description: "The STACKIT availability zone to create the VM in. e.g. eu01"
+      required: true
+      password: false
+      suggestions:
+      - eu01-1
+      - eu01-2
+      - eu01-3
+      - eu01-M
+      default: "eu01-1"
   STACKIT_PRIVATE_KEY_PATH:
     description: "The location of the custom private key file"
     required: false

pkg/options/options.go

@@ -9,10 +9,11 @@ type Options struct {
 	MachineID     string
 	MachineFolder string
 
-	ClientOptions *ClientOptions
-	ProjectID     string
-	Flavor        string
-	DiskSize      string
+	ClientOptions    *ClientOptions
+	ProjectID        string
+	AvailabilityZone string
+	Flavor           string
+	DiskSize         string
 }
 
 type ClientOptions struct {
@@ -46,6 +47,10 @@ func FromEnv(skipMachine bool) (*Options, error) {
 	if err != nil {
 		return nil, err
 	}
+	retOptions.AvailabilityZone, err = fromEnvOrError("STACKIT_AVAILABILITY_ZONE")
+	if err != nil {
+		return nil, err
+	}
 	retOptions.DiskSize, err = fromEnvOrError("STACKIT_DISK_SIZE")
 	if err != nil {
 		return nil, err

pkg/stackit/stackit.go

@@ -144,7 +144,7 @@ func (s *Stackit) Create(ctx context.Context, options *options.Options, publicKe
 
 	createServerPayload := iaas.CreateServerPayload{
 		Name:             &options.MachineID,
-		AvailabilityZone: &options.ClientOptions.Region,
+		AvailabilityZone: &options.AvailabilityZone,
 		MachineType:      &options.Flavor,
 		BootVolume: &iaas.CreateServerPayloadBootVolume{
 			DeleteOnTermination: utils.Ptr(true),