openstack: implement imds and metadata self

Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>

internal/cloud/openstack/api_test.go

@@ -0,0 +1,58 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package openstack
+
+import (
+	"context"
+
+	"github.com/edgelesssys/constellation/v2/internal/role"
+)
+
+type stubIMDSClient struct {
+	providerIDResult     string
+	providerIDErr        error
+	nameResult           string
+	nameErr              error
+	projectIDResult      string
+	projectIDErr         error
+	uidResult            string
+	uidErr               error
+	initSecretHashResult string
+	initSecretHashErr    error
+	roleResult           role.Role
+	roleErr              error
+	vpcIPResult          string
+	vpcIPErr             error
+}
+
+func (c *stubIMDSClient) providerID(ctx context.Context) (string, error) {
+	return c.providerIDResult, c.providerIDErr
+}
+
+func (c *stubIMDSClient) name(ctx context.Context) (string, error) {
+	return c.nameResult, c.nameErr
+}
+
+func (c *stubIMDSClient) projectID(ctx context.Context) (string, error) {
+	return c.projectIDResult, c.projectIDErr
+}
+
+func (c *stubIMDSClient) uid(ctx context.Context) (string, error) {
+	return c.uidResult, c.uidErr
+}
+
+func (c *stubIMDSClient) initSecretHash(ctx context.Context) (string, error) {
+	return c.initSecretHashResult, c.initSecretHashErr
+}
+
+func (c *stubIMDSClient) role(ctx context.Context) (role.Role, error) {
+	return c.roleResult, c.roleErr
+}
+
+func (c *stubIMDSClient) vpcIP(ctx context.Context) (string, error) {
+	return c.vpcIPResult, c.vpcIPErr
+}