config: Azure SNP tool can delete specific version from attestation API (#1863)

* client supports delete version

* rename to new attestation / fetcher naming

* add delete command to upload tool

* test client delete

* bazel update

* use general client in attestation client

* Update hack/configapi/cmd/delete.go

Co-authored-by: Daniel Weiße <66256922+daniel-weisse@users.noreply.github.com>

* daniel feedback

* unit test azure sev upload

* Update hack/configapi/cmd/delete.go

Co-authored-by: Daniel Weiße <66256922+daniel-weisse@users.noreply.github.com>

* add client integration test

* new client cmds use apiObject

---------

Co-authored-by: Daniel Weiße <66256922+daniel-weisse@users.noreply.github.com>

hack/configapi/cmd/delete.go

@@ -0,0 +1,63 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+package cmd
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/edgelesssys/constellation/v2/internal/api/attestationconfig/client"
+	"github.com/edgelesssys/constellation/v2/internal/staticupload"
+	"github.com/spf13/cobra"
+)
+
+// newDeleteCmd creates the delete command.
+func newDeleteCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "delete",
+		Short: "delete a specific version from the config api",
+		RunE:  runDelete,
+	}
+	cmd.Flags().StringP("version", "v", "", "Name of the version to delete (without .json suffix)")
+	must(enforceRequiredFlags(cmd, "version"))
+	return cmd
+}
+
+type deleteCmd struct {
+	attestationClient deleteClient
+}
+
+type deleteClient interface {
+	DeleteAzureSEVSNPVersion(ctx context.Context, versionStr string) error
+}
+
+func (d deleteCmd) delete(cmd *cobra.Command) error {
+	version, err := cmd.Flags().GetString("version")
+	if err != nil {
+		return err
+	}
+	return d.attestationClient.DeleteAzureSEVSNPVersion(cmd.Context(), version)
+}
+
+func runDelete(cmd *cobra.Command, _ []string) error {
+	cfg := staticupload.Config{
+		Bucket: awsBucket,
+		Region: awsRegion,
+	}
+	repo, closefn, err := client.New(cmd.Context(), cfg, []byte(cosignPwd), []byte(privateKey), false, log())
+	if err != nil {
+		return fmt.Errorf("create attestation client: %w", err)
+	}
+	defer func() {
+		if err := closefn(cmd.Context()); err != nil {
+			cmd.Printf("close client: %s\n", err.Error())
+		}
+	}()
+	deleteCmd := deleteCmd{
+		attestationClient: repo,
+	}
+	return deleteCmd.delete(cmd)
+}