operator: always create initial resources (#858)

* operator: move csp clients to own path

* operator: use cloudfake as default csp

operators/constellation-node-operator/internal/cloud/fake/client/client.go

@@ -0,0 +1,91 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package client
+
+import (
+	"context"
+	"fmt"
+
+	updatev1alpha1 "github.com/edgelesssys/constellation/operators/constellation-node-operator/v2/api/v1alpha1"
+)
+
+const (
+	controlPlanesID = "control-planes-id"
+	workersID       = "workers-id"
+)
+
+// Client is a stub client providing the minimal implementation to set up the initial resources.
+type Client struct{}
+
+// GetNodeImage retrieves the image currently used by a node.
+func (c *Client) GetNodeImage(ctx context.Context, providerID string) (string, error) {
+	panic("not implemented")
+}
+
+// GetScalingGroupID retrieves the scaling group that a node is part of.
+func (c *Client) GetScalingGroupID(ctx context.Context, providerID string) (string, error) {
+	panic("not implemented")
+}
+
+// CreateNode creates a new node inside a specified scaling group at the CSP and returns its future name and provider id.
+func (c *Client) CreateNode(ctx context.Context, scalingGroupID string) (nodeName, providerID string, err error) {
+	panic("not implemented")
+}
+
+// DeleteNode starts the termination of the node at the CSP.
+func (c *Client) DeleteNode(ctx context.Context, providerID string) error {
+	panic("not implemented")
+}
+
+// GetNodeState retrieves the state of a pending node from a CSP.
+func (c *Client) GetNodeState(ctx context.Context, providerID string) (updatev1alpha1.CSPNodeState, error) {
+	panic("not implemented")
+}
+
+// SetScalingGroupImage sets the image to be used by newly created nodes in a scaling group.
+func (c *Client) SetScalingGroupImage(ctx context.Context, scalingGroupID, image string) error {
+	panic("not implemented")
+}
+
+// GetScalingGroupImage retrieves the image currently used by a scaling group.
+func (c *Client) GetScalingGroupImage(ctx context.Context, scalingGroupID string) (string, error) {
+	return "unsupportedCSP", nil
+}
+
+// GetScalingGroupName retrieves the name of a scaling group.
+func (c *Client) GetScalingGroupName(scalingGroupID string) (string, error) {
+	switch scalingGroupID {
+	case controlPlanesID:
+		return controlPlanesID, nil
+	case workersID:
+		return workersID, nil
+	default:
+		return "", fmt.Errorf("unknown scaling group id %s", scalingGroupID)
+	}
+}
+
+// GetAutoscalingGroupName retrieves the name of a scaling group as needed by the cluster-autoscaler.
+func (c *Client) GetAutoscalingGroupName(scalingGroupID string) (string, error) {
+	switch scalingGroupID {
+	case controlPlanesID:
+		return controlPlanesID, nil
+	case workersID:
+		return workersID, nil
+	default:
+		return "", fmt.Errorf("unknown scaling group id %s", scalingGroupID)
+	}
+}
+
+// ListScalingGroups retrieves a list of scaling groups for the cluster.
+func (c *Client) ListScalingGroups(ctx context.Context, uid string) (controlPlaneGroupIDs []string, workerGroupIDs []string, err error) {
+	return []string{controlPlanesID}, []string{workersID}, nil
+}
+
+// AutoscalingCloudProvider returns the cloud-provider name as used by k8s cluster-autoscaler.
+func (c *Client) AutoscalingCloudProvider() string {
+	return "unsupportedCSP"
+}