[misc] Add cloud api spec to public open api with rest client (#5222)

shared/management/client/rest/instance.go

@@ -0,0 +1,46 @@
+package rest
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+
+	"github.com/netbirdio/netbird/shared/management/http/api"
+)
+
+// InstanceAPI APIs for Instance status and version, do not use directly
+type InstanceAPI struct {
+	c *Client
+}
+
+// GetStatus get instance status
+// See more: https://docs.netbird.io/api/resources/instance#get-instance-status
+func (a *InstanceAPI) GetStatus(ctx context.Context) (*api.InstanceStatus, error) {
+	resp, err := a.c.NewRequest(ctx, "GET", "/api/instance", nil, nil)
+	if err != nil {
+		return nil, err
+	}
+	if resp.Body != nil {
+		defer resp.Body.Close()
+	}
+	ret, err := parseResponse[api.InstanceStatus](resp)
+	return &ret, err
+}
+
+// Setup perform initial instance setup
+// See more: https://docs.netbird.io/api/resources/instance#setup-instance
+func (a *InstanceAPI) Setup(ctx context.Context, request api.PostApiSetupJSONRequestBody) (*api.SetupResponse, error) {
+	requestBytes, err := json.Marshal(request)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := a.c.NewRequest(ctx, "POST", "/api/setup", bytes.NewReader(requestBytes), nil)
+	if err != nil {
+		return nil, err
+	}
+	if resp.Body != nil {
+		defer resp.Body.Close()
+	}
+	ret, err := parseResponse[api.SetupResponse](resp)
+	return &ret, err
+}