X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=a1-go%2Fpkg%2Fresthooks%2Fresthooks.go;h=cb87040507c2d9b6ef532920caa0db4822176991;hb=refs%2Fchanges%2F32%2F9932%2F7;hp=79dba939345f31a826de191265209466e0538fea;hpb=1a41ce75dbf508ae4d85c2dc4a562f36da04bb65;p=ric-plt%2Fa1.git

diff --git a/a1-go/pkg/resthooks/resthooks.go b/a1-go/pkg/resthooks/resthooks.go
index 79dba93..cb87040 100644
--- a/a1-go/pkg/resthooks/resthooks.go
+++ b/a1-go/pkg/resthooks/resthooks.go
@@ -30,8 +30,10 @@ import (
 
 	"gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/a1"
 	"gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/models"
+	"gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/policy"
+	"gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/restapi/operations/a1_mediator"
+	"gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/rmr"
 	"gerrit.o-ran-sc.org/r/ric-plt/sdlgo"
-	"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
 	"github.com/santhosh-tekuri/jsonschema/v5"
 	"gopkg.in/yaml.v2"
 )
@@ -42,6 +44,8 @@ const (
 	a1InstancePrefix         = "a1.policy_instance."
 	a1InstanceMetadataPrefix = "a1.policy_inst_metadata."
 	a1HandlerPrefix          = "a1.policy_handler."
+	a1PolicyRequest          = 20010
+	a1EIDataDelivery         = 20017
 )
 
 var typeAlreadyError = errors.New("Policy Type already exists")
@@ -50,6 +54,16 @@ var typeMismatchError = errors.New("Policytype Mismatch")
 var invalidJsonSchema = errors.New("Invalid Json ")
 var policyInstanceNotFoundError = errors.New("Policy Instance Not Found")
 var policyTypeNotFoundError = errors.New("Policy Type Not Found")
+var policyTypeCanNotBeDeletedError = errors.New("tried to delete a type that isn't empty")
+var policyInstanceCanNotBeDeletedError = errors.New("tried to delete a Instance that isn't empty")
+
+func (rh *Resthook) CanPolicyInstanceBeDeleted(err error) bool {
+	return err == policyInstanceCanNotBeDeletedError
+}
+
+func (rh *Resthook) CanPolicyTypeBeDeleted(err error) bool {
+	return err == policyTypeCanNotBeDeletedError
+}
 
 func (rh *Resthook) IsPolicyTypePresent(err error) bool {
 	return err == policyTypeNotFoundError
@@ -73,14 +87,27 @@ func (rh *Resthook) IsValidJson(err error) bool {
 	return err == invalidJsonSchema
 }
 func NewResthook() *Resthook {
-	return createResthook(sdlgo.NewSyncStorage(), rmr.NewRMRSender())
+	sdl := sdlgo.NewSyncStorage()
+	policyManager := policy.NewPolicyManager(sdl)
+	return createResthook(sdl, rmr.NewRMRSender(policyManager))
 }
 
 func createResthook(sdlInst iSdl, rmrSenderInst rmr.IRmrSender) *Resthook {
-	return &Resthook{
+	rh := &Resthook{
 		db:             sdlInst,
 		iRmrSenderInst: rmrSenderInst,
 	}
+
+	return rh
+}
+
+func (rh *Resthook) GetA1Health() bool {
+	data, _ := rh.db.GetAll(a1MediatorNs)
+	if data != nil {
+		a1.Logger.Debug("Database connected and A1 is healthy")
+		return true
+	}
+	return false
 }
 
 func (rh *Resthook) GetAllPolicyType() []models.PolicyTypeID {
@@ -365,7 +392,14 @@ func (rh *Resthook) CreatePolicyInstance(policyTypeId models.PolicyTypeID, polic
 		if iscreated {
 			a1.Logger.Debug("policy instance metadata created")
 		}
-		isSent := rh.iRmrSenderInst.RmrSendToXapp(httpBodyString)
+
+		message := rmr.Message{}
+		rmrMessage, err := message.PolicyMessage(strconv.FormatInt((int64(policyTypeId)), 10), string(policyInstanceID), httpBodyString, operation)
+		if err != nil {
+			a1.Logger.Error("error : %v", err)
+			return err
+		}
+		isSent := rh.iRmrSenderInst.RmrSendToXapp(rmrMessage, a1PolicyRequest)
 		if isSent {
 			a1.Logger.Debug("rmrSendToXapp : message sent")
 		} else {
@@ -454,3 +488,232 @@ func (rh *Resthook) GetAllPolicyInstance(policyTypeId models.PolicyTypeID) ([]mo
 	a1.Logger.Debug("return : %+v", policyTypeInstances)
 	return policyTypeInstances, nil
 }
+
+func (rh *Resthook) DeletePolicyType(policyTypeId models.PolicyTypeID) error {
+	a1.Logger.Debug("DeletePolicyType")
+
+	policyinstances, err := rh.GetAllPolicyInstance(policyTypeId)
+	if err != nil {
+		a1.Logger.Error("error in retrieving policy. err: %v", err)
+		return err
+	}
+
+	var keys [1]string
+	key := a1PolicyPrefix + strconv.FormatInt((int64(policyTypeId)), 10)
+	keys[0] = key
+	if len(policyinstances) == 0 {
+		err := rh.db.Remove(a1MediatorNs, keys[:])
+		if err != nil {
+			a1.Logger.Error("error in deleting policy type err: %v", err)
+			return err
+		}
+	} else {
+		a1.Logger.Error("tried to delete a type that isn't empty")
+		return policyTypeCanNotBeDeletedError
+	}
+	return nil
+}
+
+func (rh *Resthook) typeValidity(policyTypeId models.PolicyTypeID) error {
+	var keys [1]string
+
+	typekey := a1PolicyPrefix + strconv.FormatInt((int64(policyTypeId)), 10)
+	keys[0] = typekey
+
+	a1.Logger.Debug("key1 : %+v", typekey)
+	valmap, err := rh.db.Get(a1MediatorNs, keys[:])
+	if err != nil {
+		a1.Logger.Error("error in retrieving policytype err: %v", err)
+		return err
+	}
+	if len(valmap) == 0 {
+		a1.Logger.Error("policy type Not Present for policyid : %v", policyTypeId)
+		return policyTypeNotFoundError
+	}
+}
+
+func (rh *Resthook) instanceValidity(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) error {
+	err := rh.typeValidity(policyTypeId)
+	if err != nil {
+		return err
+	}
+	policyTypeInstances, err := rh.GetPolicyInstance(policyTypeId, policyInstanceID)
+	if err != nil {
+		a1.Logger.Error("policy instance error : %v", err)
+		return err
+	}
+	if len(policyTypeInstances.(string)) == 0 {
+		a1.Logger.Debug("policy instance Not Present  ")
+		return policyInstanceNotFoundError
+	}
+}
+
+func (rh *Resthook) getMetaData(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) (map[string]interface{}, error) {
+	instanceMetadataKey := a1InstanceMetadataPrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "." + string(policyInstanceID)
+	a1.Logger.Debug("instanceMetadata key : %+v", instanceMetadataKey)
+	var keys [1]string
+	keys[0] = instanceMetadataKey
+	instanceMetadataMap, err := rh.db.Get(a1MediatorNs, keys[:])
+	if err != nil {
+		a1.Logger.Error("policy instance error : %v", err)
+	}
+	a1.Logger.Debug("instanceMetadata map : %+v", instanceMetadataMap)
+	if instanceMetadataMap[instanceMetadataKey] == nil {
+		a1.Logger.Error("policy instance Not Present for policyinstaneid : %v", policyInstanceID)
+		return map[string]interface{}{}, policyInstanceNotFoundError
+	}
+	return instanceMetadataMap, nil
+}
+
+func (rh *Resthook) GetPolicyInstanceStatus(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) (*a1_mediator.A1ControllerGetPolicyInstanceStatusOKBody, error) {
+	err := rh.instanceValidity(policyTypeId, policyInstanceID)
+	if err != nil && err == policyInstanceNotFoundError || err == policyTypeNotFoundError {
+		policyInstanceStatus.InstanceStatus = "NOT IN EFFECT"
+		return &policyInstanceStatus, err
+	}
+	policyInstanceStatus := a1_mediator.A1ControllerGetPolicyInstanceStatusOKBody{}
+	metadata, err := rh.getMetaData(policyTypeId, policyInstanceID)
+	a1.Logger.Debug(" metadata %v", metadata)
+	if err != nil {
+		a1.Logger.Error("policy instance error : %v", err)
+		policyInstanceStatus.InstanceStatus = "NOT IN EFFECT"
+		return &policyInstanceStatus, err
+	}
+	jsonbody, err := json.Marshal(metadata)
+	if err != nil {
+		a1.Logger.Error("marshal error : %v", err)
+		return &policyInstanceStatus, err
+	}
+
+	if err := json.Unmarshal(jsonbody, &policyInstanceStatus); err != nil {
+		a1.Logger.Error("unmarshal error : %v", err)
+		//this error maps to 503 error but can be mapped to 500: internal error
+		return &policyInstanceStatus, err
+	}
+	if policyInstanceStatus.HasBeenDeleted == false {
+		policyInstanceStatus.InstanceStatus = "IN EFFECT"
+	} else {
+		policyInstanceStatus.InstanceStatus = "NOT IN EFFECT"
+	}
+	return &policyInstanceStatus, nil
+}
+
+func (rh *Resthook) storeDeletedPolicyInstanceMetadata(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID, creation_timestamp string) error {
+	deleted_timestamp := time.Now()
+
+	instanceMetadataKey := a1InstanceMetadataPrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "." + string(policyInstanceID)
+
+	a1.Logger.Debug("instanceMetadata Key : %+v", instanceMetadataKey)
+
+	var metadatajson interface{}
+	metadatajson = map[string]string{"created_at": creation_timestamp, "has_been_deleted": "True", "deleted_at": deleted_timestamp.Format("2006-01-02 15:04:05")}
+	a1.Logger.Debug("metadatajson to create : %+v", metadatajson)
+	deletedmetadata, err := json.Marshal(metadatajson)
+
+	a1.Logger.Debug("policyinstanceMetaData to create : %+v", string(deletedmetadata))
+
+	err = rh.db.Set(a1MediatorNs, instanceMetadataKey, string(deletedmetadata))
+	a1.Logger.Debug("deletemetadatacreated")
+	if err != nil {
+		a1.Logger.Error("error :%+v", err)
+		return err
+	}
+
+	a1.Logger.Error("Policy Instance Meta Data deleted at :%+v", creation_timestamp)
+
+	return nil
+}
+
+func (rh *Resthook) deleteInstancedata(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) error {
+	var keys [1]string
+	instancekey := a1InstancePrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "." + string(policyInstanceID)
+	keys[0] = instancekey
+	err := rh.db.Remove(a1MediatorNs, keys[:])
+	if err != nil {
+		a1.Logger.Error("error in deleting policy type err: %v", err)
+		return err
+	}
+	return nil
+}
+
+func (rh *Resthook) deleteMetadata(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) error {
+	var keys [1]string
+	instanceMetadataKey := a1InstanceMetadataPrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "." + string(policyInstanceID)
+
+	a1.Logger.Debug("instanceMetadata Key : %+v", instanceMetadataKey)
+	keys[0] = instanceMetadataKey
+	err := rh.db.Remove(a1MediatorNs, keys[:])
+	if err != nil {
+		a1.Logger.Error("error in deleting policy metadata err: %v", err)
+		return err
+	}
+	return nil
+}
+
+func (rh *Resthook) DeletePolicyInstance(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) error {
+	err := rh.instanceValidity(policyTypeId, policyInstanceID)
+	if err != nil {
+		a1.Logger.Error("policy instance error : %v", err)
+		if err == policyInstanceNotFoundError || err == policyTypeNotFoundError {
+			return err
+		}
+	}
+
+	createdmetadata, err := rh.getMetaData(policyTypeId, policyInstanceID)
+	if err != nil {
+		a1.Logger.Error("error : %v", err)
+		return err
+	}
+	a1.Logger.Debug(" created metadata %v", createdmetadata)
+	instanceMetadataKey := a1InstanceMetadataPrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "." + string(policyInstanceID)
+	creation_metadata := createdmetadata[instanceMetadataKey]
+	var metadata map[string]interface{}
+	if err = json.Unmarshal([]byte(creation_metadata.(string)), &metadata); err != nil {
+		a1.Logger.Error("unmarshal error : %v", err)
+		return err
+	}
+
+	a1.Logger.Debug(" created metadata created_at %v", metadata["created_at"])
+	creation_timestamp := metadata["created_at"]
+
+	rh.deleteMetadata(policyTypeId, policyInstanceID)
+
+	rh.deleteInstancedata(policyTypeId, policyInstanceID)
+
+	rh.storeDeletedPolicyInstanceMetadata(policyTypeId, policyInstanceID, creation_timestamp.(string))
+
+	message := rmr.Message{}
+	rmrMessage, err1 := message.PolicyMessage(strconv.FormatInt((int64(policyTypeId)), 10), string(policyInstanceID), "", "DELETE")
+	if err1 != nil {
+		a1.Logger.Error("error : %v", err1)
+		return err1
+	}
+	isSent := rh.iRmrSenderInst.RmrSendToXapp(rmrMessage, a1PolicyRequest)
+	if isSent {
+		a1.Logger.Debug("rmrSendToXapp : message sent")
+	} else {
+		//TODO:if message not sent need to return error or just log it or retry sending
+		a1.Logger.Error("rmrSendToXapp : message not sent")
+	}
+
+	return nil
+}
+
+func (rh *Resthook) DataDelivery(httpBody interface{}) error {
+	a1.Logger.Debug("httpbody : %+v", httpBody)
+	mymap := httpBody.(map[string]interface{})
+	message := rmr.Message{}
+	rmrMessage, err := message.A1EIMessage(mymap["job"].(string), mymap["payload"].(string))
+	if err != nil {
+		a1.Logger.Error("error : %v", err)
+		return err
+	}
+	a1.Logger.Debug("rmrSendToXapp :rmrMessage %+v", rmrMessage)
+	isSent := rh.iRmrSenderInst.RmrSendToXapp(rmrMessage, a1EIDataDelivery)
+	if isSent {
+		a1.Logger.Debug("rmrSendToXapp : message sent")
+	} else {
+		a1.Logger.Error("rmrSendToXapp : message not sent")
+	}
+	return nil
+}