image: upload OpenStack images to OpenStack

flake.nix

@@ -10,6 +10,8 @@
     };
     uplosi = {
       url = "github:edgelesssys/uplosi";
+      inputs.nixpkgs.follows = "nixpkgsUnstable";
+      inputs.flake-utils.follows = "flake-utils";
     };
   };
 

image/upload/internal/cmd/uplosi.go

@@ -73,7 +73,7 @@ func runUplosi(cmd *cobra.Command, _ []string) error {
 
 	var uploadC uploader
 	switch flags.provider {
-	case cloudprovider.AWS, cloudprovider.Azure, cloudprovider.GCP:
+	case cloudprovider.AWS, cloudprovider.Azure, cloudprovider.GCP, cloudprovider.OpenStack:
 		uploadC = uplosiupload.New(flags.uplosiPath, log)
 	default:
 		uploadC = nopupload.New(log)

internal/osimage/uplosi/uplosi.conf.in

@@ -19,3 +19,8 @@ publisher = "edgelesssys"
 project = "constellation-images"
 location = "europe-west3"
 bucket = "constellation-os-images"
+
+[base.openstack]
+cloud = "stackit"
+visibility = "private"
+properties = { "hw_firmware_type" = "uefi", "os_type" = "linux" }

internal/osimage/uplosi/uplosiupload.go

@@ -82,12 +82,14 @@ func prepareUplosiConfig(req *osimage.UploadRequest) ([]byte, error) {
 	awsConfig := baseConfig["aws"].(map[string]any)
 	azureConfig := baseConfig["azure"].(map[string]any)
 	gcpConfig := baseConfig["gcp"].(map[string]any)
+	openstackConfig := baseConfig["openstack"].(map[string]any)
 
 	baseConfig["imageVersion"] = imageVersionStr
 	baseConfig["provider"] = strings.ToLower(req.Provider.String())
 	extendAWSConfig(awsConfig, req.Version, req.AttestationVariant, req.Timestamp)
 	extendAzureConfig(azureConfig, req.Version, req.AttestationVariant, req.Timestamp)
 	extendGCPConfig(gcpConfig, req.Version, req.AttestationVariant)
+	extendOpenStackConfig(openstackConfig, req.Version, req.AttestationVariant)
 
 	buf := new(bytes.Buffer)
 	if err := toml.NewEncoder(buf).Encode(config); err != nil {
@@ -264,6 +266,10 @@ func extendGCPConfig(gcpConfig map[string]any, version versionsapi.Version, atte
 	gcpConfig["blobName"] = gcpImageName(version, attestationVariant) + ".tar.gz"
 }
 
+func extendOpenStackConfig(openstackConfig map[string]any, version versionsapi.Version, attestationVariant string) {
+	openstackConfig["imageName"] = fmt.Sprintf("constellation-%s-%s-%s", version.Stream(), version.Version(), attestationVariant)
+}
+
 func gcpImageFamily(version versionsapi.Version) string {
 	if version.Stream() == "stable" {
 		return "constellation"