Add enum methods for ClusterManager

Signed-off-by: Tamal Saha <tamal@appscode.com>

api/v1/cluster.go

@@ -49,15 +49,28 @@ type ClusterMetadata struct {
 	Provider    HostingProvider `json:"provider,omitempty" protobuf:"bytes,4,opt,name=provider,casttype=HostingProvider"`
 }
 
+/*
+ENUM(
+
+	ACE                         = 1
+	OCMHub                      = 2
+	OCMMulticlusterControlplane = 4
+	OCMSpoke                    = 8
+	OpenShift                   = 16
+	Rancher                     = 32
+	VirtualCluster              = 64
+
+)
+*/
 type ClusterManager int
 
 const (
 	ClusterManagerACE ClusterManager = 1 << iota
 	ClusterManagerOCMHub
-	ClusterManagerOCMSpoke
 	ClusterManagerOCMMulticlusterControlplane
-	ClusterManagerRancher
+	ClusterManagerOCMSpoke
 	ClusterManagerOpenShift
+	ClusterManagerRancher
 	ClusterManagerVirtualCluster
 )
 

api/v1/cluster_enum.go

@@ -0,0 +1,84 @@
+/*
+Copyright AppsCode Inc. and Contributors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	"fmt"
+	"strings"
+)
+
+var ErrInvalidClusterManager = fmt.Errorf("not a valid ClusterManager, try [%s]", strings.Join(_ClusterManagerNames, ", "))
+
+const _ClusterManagerName = "ACEOCMHubOCMMulticlusterControlplaneOCMSpokeOpenShiftRancherVirtualCluster"
+
+var _ClusterManagerNames = []string{
+	_ClusterManagerName[0:3],
+	_ClusterManagerName[3:9],
+	_ClusterManagerName[9:36],
+	_ClusterManagerName[36:44],
+	_ClusterManagerName[44:53],
+	_ClusterManagerName[53:60],
+	_ClusterManagerName[60:74],
+}
+
+// ClusterManagerNames returns a list of possible string values of ClusterManager.
+func ClusterManagerNames() []string {
+	tmp := make([]string, len(_ClusterManagerNames))
+	copy(tmp, _ClusterManagerNames)
+	return tmp
+}
+
+// ClusterManagerValues returns a list of the values for ClusterManager
+func ClusterManagerValues() []ClusterManager {
+	return []ClusterManager{
+		ClusterManagerACE,
+		ClusterManagerOCMHub,
+		ClusterManagerOCMMulticlusterControlplane,
+		ClusterManagerOCMSpoke,
+		ClusterManagerOpenShift,
+		ClusterManagerRancher,
+		ClusterManagerVirtualCluster,
+	}
+}
+
+var _ClusterManagerMap = map[ClusterManager]string{
+	ClusterManagerACE:                         _ClusterManagerName[0:3],
+	ClusterManagerOCMHub:                      _ClusterManagerName[3:9],
+	ClusterManagerOCMMulticlusterControlplane: _ClusterManagerName[9:36],
+	ClusterManagerOCMSpoke:                    _ClusterManagerName[36:44],
+	ClusterManagerOpenShift:                   _ClusterManagerName[44:53],
+	ClusterManagerRancher:                     _ClusterManagerName[53:60],
+	ClusterManagerVirtualCluster:              _ClusterManagerName[60:74],
+}
+
+var _ClusterManagerValue = map[string]ClusterManager{
+	_ClusterManagerName[0:3]:   ClusterManagerACE,
+	_ClusterManagerName[3:9]:   ClusterManagerOCMHub,
+	_ClusterManagerName[9:36]:  ClusterManagerOCMMulticlusterControlplane,
+	_ClusterManagerName[36:44]: ClusterManagerOCMSpoke,
+	_ClusterManagerName[44:53]: ClusterManagerOpenShift,
+	_ClusterManagerName[53:60]: ClusterManagerRancher,
+	_ClusterManagerName[60:74]: ClusterManagerVirtualCluster,
+}
+
+// ParseClusterManager attempts to convert a string to a ClusterManager.
+func ParseClusterManager(name string) (ClusterManager, error) {
+	if x, ok := _ClusterManagerValue[name]; ok {
+		return x, nil
+	}
+	return ClusterManager(0), fmt.Errorf("%s is %w", name, ErrInvalidClusterManager)
+}