diff options
Diffstat (limited to 'src/orchestrator/pkg/module/app_intent.go')
-rw-r--r-- | src/orchestrator/pkg/module/app_intent.go | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/orchestrator/pkg/module/app_intent.go b/src/orchestrator/pkg/module/app_intent.go new file mode 100644 index 00000000..a3f4b832 --- /dev/null +++ b/src/orchestrator/pkg/module/app_intent.go @@ -0,0 +1,195 @@ +/* + * 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" + "reflect" + + "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db" + + pkgerrors "github.com/pkg/errors" +) + +// AppIntent has two components - metadata, spec +type AppIntent struct { + MetaData MetaData `json:"metadata"` + Spec SpecData `json:"spec"` +} + +// MetaData has - name, description, userdata1, userdata2 +type MetaData struct { + Name string `json:"name"` + Description string `json:"description"` + UserData1 string `json:"userData1"` + UserData2 string `json:"userData2"` +} + +// AllOf consists of AnyOfArray and ClusterNames array +type AllOf struct { + ClusterName string `json:"cluster-name,omitempty"` + ClusterLabelName string `json:"cluster-label-name,omitempty"` + AnyOfArray []AnyOf `json:"anyOf,omitempty"` +} + +// AnyOf consists of Array of ClusterLabelNames +type AnyOf struct { + ClusterName string `json:"cluster-name,omitempty"` + ClusterLabelName string `json:"cluster-label-name,omitempty"` +} + +// IntentStruc consists of AllOfArray and AnyOfArray +type IntentStruc struct { + AllOfArray []AllOf `json:"allOf,omitempty"` + AnyOfArray []AnyOf `json:"anyOf,omitempty"` +} + +// SpecData consists of appName and intent +type SpecData struct { + AppName string `json:"app-name"` + Intent IntentStruc `json:"intent"` +} + +// AppIntentManager is an interface which exposes the +// AppIntentManager functionalities +type AppIntentManager interface { + CreateAppIntent(a AppIntent, p string, ca string, v string, i string) (AppIntent, error) + GetAppIntent(ai string, p string, ca string, v string, i string) (AppIntent, error) + DeleteAppIntent(ai string, p string, ca string, v string, i string) error +} + +// AppIntentKey is used as primary key +type AppIntentKey struct { + Name string `json:"appintent"` + Project string `json:"project"` + CompositeApp string `json:"compositeapp"` + Version string `json:"compositeappversion"` + Intent string `json:"genericplacement"` +} + +// We will use json marshalling to convert to string to +// preserve the underlying structure. +func (ak AppIntentKey) String() string { + out, err := json.Marshal(ak) + if err != nil { + return "" + } + return string(out) +} + +// AppIntentClient implements the AppIntentManager interface +type AppIntentClient struct { + storeName string + tagMetaData string +} + +// NewAppIntentClient returns an instance of AppIntentClient +func NewAppIntentClient() *AppIntentClient { + return &AppIntentClient{ + storeName: "orchestrator", + tagMetaData: "appintentmetadata", + } +} + +// CreateAppIntent creates an entry for AppIntent in the db. Other input parameters for it - projectName, compositeAppName, version, intentName. +func (c *AppIntentClient) CreateAppIntent(a AppIntent, p string, ca string, v string, i string) (AppIntent, error) { + + //Check for the AppIntent already exists here. + res, err := c.GetAppIntent(a.MetaData.Name, p, ca, v, i) + if !reflect.DeepEqual(res, AppIntent{}) { + return AppIntent{}, pkgerrors.New("AppIntent already exists") + } + + //Check if project exists + _, err = NewProjectClient().GetProject(p) + if err != nil { + return AppIntent{}, pkgerrors.New("Unable to find the project") + } + + // check if compositeApp exists + _, err = NewCompositeAppClient().GetCompositeApp(ca, v, p) + if err != nil { + return AppIntent{}, pkgerrors.New("Unable to find the composite-app") + } + + // check if Intent exists + _, err = NewGenericPlacementIntentClient().GetGenericPlacementIntent(i, p, ca, v) + if err != nil { + return AppIntent{}, pkgerrors.New("Unable to find the intent") + } + + akey := AppIntentKey{ + Name: a.MetaData.Name, + Project: p, + CompositeApp: ca, + Version: v, + Intent: i, + } + + err = db.DBconn.Insert(c.storeName, akey, nil, c.tagMetaData, a) + if err != nil { + return AppIntent{}, pkgerrors.Wrap(err, "Create DB entry error") + } + + return a, nil +} + +// GetAppIntent shall take arguments - name of the app intent, name of the project, name of the composite app, version of the composite app and intent name. It shall return the AppIntent +func (c *AppIntentClient) GetAppIntent(ai string, p string, ca string, v string, i string) (AppIntent, error) { + + k := AppIntentKey{ + Name: ai, + Project: p, + CompositeApp: ca, + Version: v, + Intent: i, + } + + result, err := db.DBconn.Find(c.storeName, k, c.tagMetaData) + if err != nil { + return AppIntent{}, pkgerrors.Wrap(err, "Get AppIntent error") + } + + if result != nil { + a := AppIntent{} + err = db.DBconn.Unmarshal(result[0], &a) + if err != nil { + return AppIntent{}, pkgerrors.Wrap(err, "Unmarshalling AppIntent") + } + return a, nil + + } + return AppIntent{}, pkgerrors.New("Error getting AppIntent") +} + +// DeleteAppIntent delete an AppIntent +func (c *AppIntentClient) DeleteAppIntent(ai string, p string, ca string, v string, i string) error { + k := AppIntentKey{ + Name: ai, + Project: p, + CompositeApp: ca, + Version: v, + Intent: i, + } + + err := db.DBconn.Remove(c.storeName, k) + if err != nil { + return pkgerrors.Wrap(err, "Delete Project entry;") + } + return nil + +} |