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Diffstat (limited to 'src/ncm/pkg/module/netcontrolintent.go')
-rw-r--r-- | src/ncm/pkg/module/netcontrolintent.go | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/ncm/pkg/module/netcontrolintent.go b/src/ncm/pkg/module/netcontrolintent.go new file mode 100644 index 00000000..e94dd9db --- /dev/null +++ b/src/ncm/pkg/module/netcontrolintent.go @@ -0,0 +1,170 @@ +/* + * Copyright 2020 Intel Corporation, Inc + * + * 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 module + +import ( + "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db" + orchestrator "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module" + + pkgerrors "github.com/pkg/errors" +) + +// NetControlIntent contains the parameters needed for dynamic networks +type NetControlIntent struct { + Metadata Metadata `json:"metadata"` +} + +// NetControlIntentKey is the key structure that is used in the database +type NetControlIntentKey struct { + NetControlIntent string `json:"netcontrolintent"` + Project string `json:"project"` + CompositeApp string `json:"compositeapp"` + CompositeAppVersion string `json:"compositeappversion"` +} + +// Manager is an interface exposing the NetControlIntent functionality +type NetControlIntentManager interface { + CreateNetControlIntent(nci NetControlIntent, project, compositeapp, compositeappversion string, exists bool) (NetControlIntent, error) + GetNetControlIntent(name, project, compositeapp, compositeappversion string) (NetControlIntent, error) + GetNetControlIntents(project, compositeapp, compositeappversion string) ([]NetControlIntent, error) + DeleteNetControlIntent(name, project, compositeapp, compositeappversion string) error +} + +// NetControlIntentClient implements the Manager +// It will also be used to maintain some localized state +type NetControlIntentClient struct { + db ClientDbInfo +} + +// NewNetControlIntentClient returns an instance of the NetControlIntentClient +// which implements the Manager +func NewNetControlIntentClient() *NetControlIntentClient { + return &NetControlIntentClient{ + db: ClientDbInfo{ + storeName: "orchestrator", + tagMeta: "netcontrolintentmetadata", + }, + } +} + +// CreateNetControlIntent - create a new NetControlIntent +func (v *NetControlIntentClient) CreateNetControlIntent(nci NetControlIntent, project, compositeapp, compositeappversion string, exists bool) (NetControlIntent, error) { + + //Construct key and tag to select the entry + key := NetControlIntentKey{ + NetControlIntent: nci.Metadata.Name, + Project: project, + CompositeApp: compositeapp, + CompositeAppVersion: compositeappversion, + } + + //Check if composite app/version exists + _, err := orchestrator.NewCompositeAppClient().GetCompositeApp(compositeapp, compositeappversion, project) + if err != nil { + return NetControlIntent{}, pkgerrors.New("Unable to find the composite app/version") + } + + //Check if this NetControlIntent already exists + _, err = v.GetNetControlIntent(nci.Metadata.Name, project, compositeapp, compositeappversion) + if err == nil && !exists { + return NetControlIntent{}, pkgerrors.New("NetControlIntent already exists") + } + + err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, nci) + if err != nil { + return NetControlIntent{}, pkgerrors.Wrap(err, "Creating DB Entry") + } + + return nci, nil +} + +// GetNetControlIntent returns the NetControlIntent for corresponding name +func (v *NetControlIntentClient) GetNetControlIntent(name, project, compositeapp, compositeappversion string) (NetControlIntent, error) { + + //Construct key and tag to select the entry + key := NetControlIntentKey{ + NetControlIntent: name, + Project: project, + CompositeApp: compositeapp, + CompositeAppVersion: compositeappversion, + } + + value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta) + if err != nil { + return NetControlIntent{}, pkgerrors.Wrap(err, "Get NetControlIntent") + } + + //value is a byte array + if value != nil { + nci := NetControlIntent{} + err = db.DBconn.Unmarshal(value[0], &nci) + if err != nil { + return NetControlIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value") + } + return nci, nil + } + + return NetControlIntent{}, pkgerrors.New("Error getting NetControlIntent") +} + +// GetNetControlIntentList returns all of the NetControlIntent for corresponding name +func (v *NetControlIntentClient) GetNetControlIntents(project, compositeapp, compositeappversion string) ([]NetControlIntent, error) { + + //Construct key and tag to select the entry + key := NetControlIntentKey{ + NetControlIntent: "", + Project: project, + CompositeApp: compositeapp, + CompositeAppVersion: compositeappversion, + } + + var resp []NetControlIntent + values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta) + if err != nil { + return []NetControlIntent{}, pkgerrors.Wrap(err, "Get NetControlIntents") + } + + for _, value := range values { + nci := NetControlIntent{} + err = db.DBconn.Unmarshal(value, &nci) + if err != nil { + return []NetControlIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value") + } + resp = append(resp, nci) + } + + return resp, nil +} + +// Delete the NetControlIntent from database +func (v *NetControlIntentClient) DeleteNetControlIntent(name, project, compositeapp, compositeappversion string) error { + + //Construct key and tag to select the entry + key := NetControlIntentKey{ + NetControlIntent: name, + Project: project, + CompositeApp: compositeapp, + CompositeAppVersion: compositeappversion, + } + + err := db.DBconn.Remove(v.db.storeName, key) + if err != nil { + return pkgerrors.Wrap(err, "Delete NetControlIntent Entry;") + } + + return nil +} |