diff options
Diffstat (limited to 'src/orchestrator/pkg/module/generic_placement_intent.go')
-rw-r--r-- | src/orchestrator/pkg/module/generic_placement_intent.go | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/orchestrator/pkg/module/generic_placement_intent.go b/src/orchestrator/pkg/module/generic_placement_intent.go new file mode 100644 index 00000000..4098194e --- /dev/null +++ b/src/orchestrator/pkg/module/generic_placement_intent.go @@ -0,0 +1,165 @@ +/* + * 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 ( + "encoding/json" + "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db" + + pkgerrors "github.com/pkg/errors" +) + +// GenericPlacementIntent shall have 2 fields - metadata and spec +type GenericPlacementIntent struct { + MetaData IntentMetaData `json:"metadata"` + Spec IntentSpecData `json:"spec"` +} + +// IntentMetaData has name, description, userdata1, userdata2 +type IntentMetaData struct { + Name string `json:"name"` + Description string `json:"description"` + UserData1 string `json:"userData1"` + UserData2 string `json:"userData2"` +} + +// IntentSpecData has logical-cloud-name +type IntentSpecData struct { + LogicalCloud string `json:"logical-cloud"` +} + +// GenericPlacementIntentManager is an interface which exposes the GenericPlacementIntentManager functionality +type GenericPlacementIntentManager interface { + CreateGenericPlacementIntent(g GenericPlacementIntent, p string, ca string, + v string) (GenericPlacementIntent, error) + GetGenericPlacementIntent(intentName string, projectName string, + compositeAppName string, version string) (GenericPlacementIntent, error) + DeleteGenericPlacementIntent(intentName string, projectName string, + compositeAppName string, version string) error +} + +// GenericPlacementIntentKey is used as the primary key +type GenericPlacementIntentKey struct { + Name string `json:"name"` + Project string `json:"project"` + CompositeApp string `json:"compositeapp"` + Version string `json:"version"` +} + +// We will use json marshalling to convert to string to +// preserve the underlying structure. +func (gk GenericPlacementIntentKey) String() string { + out, err := json.Marshal(gk) + if err != nil { + return "" + } + return string(out) +} + +// GenericPlacementIntentClient implements the GenericPlacementIntentManager interface +type GenericPlacementIntentClient struct { + storeName string + tagMetaData string +} + +// NewGenericPlacementIntentClient return an instance of GenericPlacementIntentClient which implements GenericPlacementIntentManager +func NewGenericPlacementIntentClient() *GenericPlacementIntentClient { + return &GenericPlacementIntentClient{ + storeName: "orchestrator", + tagMetaData: "genericplacementintent", + } +} + +// CreateGenericPlacementIntent creates an entry for GenericPlacementIntent in the database. Other Input parameters for it - projectName, compositeAppName, version +func (c *GenericPlacementIntentClient) CreateGenericPlacementIntent(g GenericPlacementIntent, p string, ca string, + v string) (GenericPlacementIntent, error) { + + // check if the genericPlacement already exists. + res, err := c.GetGenericPlacementIntent(g.MetaData.Name, p, ca, v) + if res != (GenericPlacementIntent{}) { + return GenericPlacementIntent{}, pkgerrors.New("Intent already exists") + } + + //Check if project exists + _, err = NewProjectClient().GetProject(p) + if err != nil { + return GenericPlacementIntent{}, pkgerrors.New("Unable to find the project") + } + + // check if compositeApp exists + _, err = NewCompositeAppClient().GetCompositeApp(ca, v, p) + if err != nil { + return GenericPlacementIntent{}, pkgerrors.New("Unable to find the composite-app") + } + + gkey := GenericPlacementIntentKey{ + Name: g.MetaData.Name, + Project: p, + CompositeApp: ca, + Version: v, + } + + err = db.DBconn.Insert(c.storeName, gkey, nil, c.tagMetaData, g) + if err != nil { + return GenericPlacementIntent{}, pkgerrors.Wrap(err, "Create DB entry error") + } + + return g, nil +} + +// GetGenericPlacementIntent shall take arguments - name of the intent, name of the project, name of the composite app and version of the composite app. It shall return the genericPlacementIntent if its present. +func (c *GenericPlacementIntentClient) GetGenericPlacementIntent(i string, p string, ca string, v string) (GenericPlacementIntent, error) { + key := GenericPlacementIntentKey{ + Name: i, + Project: p, + CompositeApp: ca, + Version: v, + } + + result, err := db.DBconn.Find(c.storeName, key, c.tagMetaData) + if err != nil { + return GenericPlacementIntent{}, pkgerrors.Wrap(err, "Get Intent error") + } + + if result != nil { + g := GenericPlacementIntent{} + err = db.DBconn.Unmarshal(result[0], &g) + if err != nil { + return GenericPlacementIntent{}, pkgerrors.Wrap(err, "Unmarshalling GenericPlacement Intent") + } + return g, nil + } + + return GenericPlacementIntent{}, pkgerrors.New("Error getting GenericPlacementIntent") + +} + +// DeleteGenericPlacementIntent the intent from the database +func (c *GenericPlacementIntentClient) DeleteGenericPlacementIntent(i string, p string, ca string, v string) error { + key := GenericPlacementIntentKey{ + Name: i, + Project: p, + CompositeApp: ca, + Version: v, + } + + err := db.DBconn.Remove(c.storeName, key) + if err != nil { + return pkgerrors.Wrap(err, "Delete Project entry;") + } + return nil +} |