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authorEric Multanen <eric.w.multanen@intel.com>2020-03-19 16:07:43 -0700
committerRitu Sood <Ritu.Sood@intel.com>2020-04-10 20:36:32 +0000
commit335c7cca38eb804c2977e4dd9af9efa0ea7ef82b (patch)
tree1e1adfa51e7dfaa9d8b57c7d5890537674e4f341 /src/ncm/pkg
parent107142787e331ca565c166c72ae5605621d2d2ee (diff)
APIs for network, workload and interface intents
Includes network controller intent and underlying network workload intent and workload interface intent APIs. Issue-ID: MULTICLOUD-1029 Signed-off-by: Eric Multanen <eric.w.multanen@intel.com> Change-Id: I9bb34e42785b16f39af81335b1f94dd5bb15d931
Diffstat (limited to 'src/ncm/pkg')
-rw-r--r--src/ncm/pkg/module/module.go14
-rw-r--r--src/ncm/pkg/module/module_definitions.go28
-rw-r--r--src/ncm/pkg/module/netcontrolintent.go170
-rw-r--r--src/ncm/pkg/module/workloadifintent.go188
-rw-r--r--src/ncm/pkg/module/workloadintent.go181
5 files changed, 577 insertions, 4 deletions
diff --git a/src/ncm/pkg/module/module.go b/src/ncm/pkg/module/module.go
index a9950901..9655c1de 100644
--- a/src/ncm/pkg/module/module.go
+++ b/src/ncm/pkg/module/module.go
@@ -16,11 +16,14 @@
package module
-// Client for using the services in the orchestrator
+// Client for using the services in the ncm
type Client struct {
- Cluster *ClusterClient
- Network *NetworkClient
- ProviderNet *ProviderNetClient
+ Cluster *ClusterClient
+ Network *NetworkClient
+ ProviderNet *ProviderNetClient
+ NetControlIntent *NetControlIntentClient
+ WorkloadIntent *WorkloadIntentClient
+ WorkloadIfIntent *WorkloadIfIntentClient
// Add Clients for API's here
}
@@ -30,6 +33,9 @@ func NewClient() *Client {
c.Cluster = NewClusterClient()
c.Network = NewNetworkClient()
c.ProviderNet = NewProviderNetClient()
+ c.NetControlIntent = NewNetControlIntentClient()
+ c.WorkloadIntent = NewWorkloadIntentClient()
+ c.WorkloadIfIntent = NewWorkloadIfIntentClient()
// Add Client API handlers here
return c
}
diff --git a/src/ncm/pkg/module/module_definitions.go b/src/ncm/pkg/module/module_definitions.go
index 1e839014..729a9dbd 100644
--- a/src/ncm/pkg/module/module_definitions.go
+++ b/src/ncm/pkg/module/module_definitions.go
@@ -32,6 +32,9 @@ const CNI_TYPE_OVN4NFV string = "ovn4nfv"
var CNI_TYPES = [...]string{CNI_TYPE_OVN4NFV}
// It implements the interface for managing the ClusterProviders
+const MAX_DESCRIPTION_LEN int = 1024
+const MAX_USERDATA_LEN int = 4096
+
type Metadata struct {
Name string `json:"name"`
Description string `json:"description"`
@@ -65,6 +68,31 @@ type Vlan struct {
NodeLabelList []string `json:"nodeLabelList"`
}
+// Check for valid format Metadata
+func IsValidMetadata(metadata Metadata) error {
+ errs := validation.IsValidName(metadata.Name)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid Metadata name=[%v], errors: %v", metadata.Name, errs)
+ }
+
+ errs = validation.IsValidString(metadata.Description, 0, MAX_DESCRIPTION_LEN, validation.VALID_ANY_STR)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid Metadata description=[%v], errors: %v", metadata.Description, errs)
+ }
+
+ errs = validation.IsValidString(metadata.UserData1, 0, MAX_DESCRIPTION_LEN, validation.VALID_ANY_STR)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid Metadata description=[%v], errors: %v", metadata.UserData1, errs)
+ }
+
+ errs = validation.IsValidString(metadata.UserData2, 0, MAX_DESCRIPTION_LEN, validation.VALID_ANY_STR)
+ if len(errs) > 0 {
+ return pkgerrors.Errorf("Invalid Metadata description=[%v], errors: %v", metadata.UserData2, errs)
+ }
+
+ return nil
+}
+
// Check for valid format of an Ipv4Subnet
func ValidateSubnet(sub Ipv4Subnet) error {
// verify subnet is in valid cidr format
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
+}
diff --git a/src/ncm/pkg/module/workloadifintent.go b/src/ncm/pkg/module/workloadifintent.go
new file mode 100644
index 00000000..55062564
--- /dev/null
+++ b/src/ncm/pkg/module/workloadifintent.go
@@ -0,0 +1,188 @@
+/*
+ * 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"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// WorkloadIfIntent contains the parameters needed for dynamic networks
+type WorkloadIfIntent struct {
+ Metadata Metadata `json:"metadata"`
+ Spec WorkloadIfIntentSpec `json:"spec"`
+}
+
+type WorkloadIfIntentSpec struct {
+ IfName string `json:"interface"`
+ NetworkName string `json:"name"`
+ DefaultGateway string `json:"defaultGateway"` // optional, default value is "false"
+ IpAddr string `json:"ipAddress,omitempty"` // optional, if not provided then will be dynamically allocated
+ MacAddr string `json:"macAddress,omitempty"` // optional, if not provided then will be dynamically allocated
+}
+
+// WorkloadIfIntentKey is the key structure that is used in the database
+type WorkloadIfIntentKey struct {
+ Project string `json:"provider"`
+ CompositeApp string `json:"compositeapp"`
+ CompositeAppVersion string `json:"compositeappversion"`
+ NetControlIntent string `json:"netcontrolintent"`
+ WorkloadIntent string `json:"workloadintent"`
+ WorkloadIfIntent string `json:"workloadifintent"`
+}
+
+// Manager is an interface exposing the WorkloadIfIntent functionality
+type WorkloadIfIntentManager interface {
+ CreateWorkloadIfIntent(wi WorkloadIfIntent, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string, exists bool) (WorkloadIfIntent, error)
+ GetWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) (WorkloadIfIntent, error)
+ GetWorkloadIfIntents(project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) ([]WorkloadIfIntent, error)
+ DeleteWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) error
+}
+
+// WorkloadIfIntentClient implements the Manager
+// It will also be used to maintain some localized state
+type WorkloadIfIntentClient struct {
+ db ClientDbInfo
+}
+
+// NewWorkloadIfIntentClient returns an instance of the WorkloadIfIntentClient
+// which implements the Manager
+func NewWorkloadIfIntentClient() *WorkloadIfIntentClient {
+ return &WorkloadIfIntentClient{
+ db: ClientDbInfo{
+ storeName: "orchestrator",
+ tagMeta: "workloadifintentmetadata",
+ },
+ }
+}
+
+// CreateWorkloadIfIntent - create a new WorkloadIfIntent
+func (v *WorkloadIfIntentClient) CreateWorkloadIfIntent(wif WorkloadIfIntent, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string, exists bool) (WorkloadIfIntent, error) {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIfIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: workloadintent,
+ WorkloadIfIntent: wif.Metadata.Name,
+ }
+
+ //Check if the Workload Intent exists
+ _, err := NewWorkloadIntentClient().GetWorkloadIntent(workloadintent, project, compositeapp, compositeappversion, netcontrolintent)
+ if err != nil {
+ return WorkloadIfIntent{}, pkgerrors.Errorf("Workload Intent %v does not exist", workloadintent)
+ }
+
+ //Check if this WorkloadIfIntent already exists
+ _, err = v.GetWorkloadIfIntent(wif.Metadata.Name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent)
+ if err == nil && !exists {
+ return WorkloadIfIntent{}, pkgerrors.New("WorkloadIfIntent already exists")
+ }
+
+ err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, wif)
+ if err != nil {
+ return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return wif, nil
+}
+
+// GetWorkloadIfIntent returns the WorkloadIfIntent for corresponding name
+func (v *WorkloadIfIntentClient) GetWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) (WorkloadIfIntent, error) {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIfIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: workloadintent,
+ WorkloadIfIntent: name,
+ }
+
+ value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+ if err != nil {
+ return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Get WorkloadIfIntent")
+ }
+
+ //value is a byte array
+ if value != nil {
+ wif := WorkloadIfIntent{}
+ err = db.DBconn.Unmarshal(value[0], &wif)
+ if err != nil {
+ return WorkloadIfIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return wif, nil
+ }
+
+ return WorkloadIfIntent{}, pkgerrors.New("Error getting WorkloadIfIntent")
+}
+
+// GetWorkloadIfIntentList returns all of the WorkloadIfIntent for corresponding name
+func (v *WorkloadIfIntentClient) GetWorkloadIfIntents(project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) ([]WorkloadIfIntent, error) {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIfIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: workloadintent,
+ WorkloadIfIntent: "",
+ }
+
+ var resp []WorkloadIfIntent
+ values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+ if err != nil {
+ return []WorkloadIfIntent{}, pkgerrors.Wrap(err, "Get WorkloadIfIntents")
+ }
+
+ for _, value := range values {
+ wif := WorkloadIfIntent{}
+ err = db.DBconn.Unmarshal(value, &wif)
+ if err != nil {
+ return []WorkloadIfIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ resp = append(resp, wif)
+ }
+
+ return resp, nil
+}
+
+// Delete the WorkloadIfIntent from database
+func (v *WorkloadIfIntentClient) DeleteWorkloadIfIntent(name, project, compositeapp, compositeappversion, netcontrolintent, workloadintent string) error {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIfIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: workloadintent,
+ WorkloadIfIntent: name,
+ }
+
+ err := db.DBconn.Remove(v.db.storeName, key)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete WorkloadIfIntent Entry;")
+ }
+
+ return nil
+}
diff --git a/src/ncm/pkg/module/workloadintent.go b/src/ncm/pkg/module/workloadintent.go
new file mode 100644
index 00000000..e6916954
--- /dev/null
+++ b/src/ncm/pkg/module/workloadintent.go
@@ -0,0 +1,181 @@
+/*
+ * 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"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// WorkloadIntent contains the parameters needed for dynamic networks
+type WorkloadIntent struct {
+ Metadata Metadata `json:"metadata"`
+ Spec WorkloadIntentSpec `json:"spec"`
+}
+
+type WorkloadIntentSpec struct {
+ AppName string `json:"application-name"`
+ WorkloadResource string `json:"workload-resource"`
+ Type string `json:"type"`
+}
+
+// WorkloadIntentKey is the key structure that is used in the database
+type WorkloadIntentKey struct {
+ Project string `json:"provider"`
+ CompositeApp string `json:"compositeapp"`
+ CompositeAppVersion string `json:"compositeappversion"`
+ NetControlIntent string `json:"netcontrolintent"`
+ WorkloadIntent string `json:"workloadintent"`
+}
+
+// Manager is an interface exposing the WorkloadIntent functionality
+type WorkloadIntentManager interface {
+ CreateWorkloadIntent(wi WorkloadIntent, project, compositeapp, compositeappversion, netcontrolintent string, exists bool) (WorkloadIntent, error)
+ GetWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) (WorkloadIntent, error)
+ GetWorkloadIntents(project, compositeapp, compositeappversion, netcontrolintent string) ([]WorkloadIntent, error)
+ DeleteWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) error
+}
+
+// WorkloadIntentClient implements the Manager
+// It will also be used to maintain some localized state
+type WorkloadIntentClient struct {
+ db ClientDbInfo
+}
+
+// NewWorkloadIntentClient returns an instance of the WorkloadIntentClient
+// which implements the Manager
+func NewWorkloadIntentClient() *WorkloadIntentClient {
+ return &WorkloadIntentClient{
+ db: ClientDbInfo{
+ storeName: "orchestrator",
+ tagMeta: "workloadintentmetadata",
+ },
+ }
+}
+
+// CreateWorkloadIntent - create a new WorkloadIntent
+func (v *WorkloadIntentClient) CreateWorkloadIntent(wi WorkloadIntent, project, compositeapp, compositeappversion, netcontrolintent string, exists bool) (WorkloadIntent, error) {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: wi.Metadata.Name,
+ }
+
+ //Check if the Network Control Intent exists
+ _, err := NewNetControlIntentClient().GetNetControlIntent(netcontrolintent, project, compositeapp, compositeappversion)
+ if err != nil {
+ return WorkloadIntent{}, pkgerrors.Errorf("Network Control Intent %v does not exist", netcontrolintent)
+ }
+
+ //Check if this WorkloadIntent already exists
+ _, err = v.GetWorkloadIntent(wi.Metadata.Name, project, compositeapp, compositeappversion, netcontrolintent)
+ if err == nil && !exists {
+ return WorkloadIntent{}, pkgerrors.New("WorkloadIntent already exists")
+ }
+
+ err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagMeta, wi)
+ if err != nil {
+ return WorkloadIntent{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return wi, nil
+}
+
+// GetWorkloadIntent returns the WorkloadIntent for corresponding name
+func (v *WorkloadIntentClient) GetWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) (WorkloadIntent, error) {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: name,
+ }
+
+ value, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+ if err != nil {
+ return WorkloadIntent{}, pkgerrors.Wrap(err, "Get WorkloadIntent")
+ }
+
+ //value is a byte array
+ if value != nil {
+ wi := WorkloadIntent{}
+ err = db.DBconn.Unmarshal(value[0], &wi)
+ if err != nil {
+ return WorkloadIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return wi, nil
+ }
+
+ return WorkloadIntent{}, pkgerrors.New("Error getting WorkloadIntent")
+}
+
+// GetWorkloadIntentList returns all of the WorkloadIntent for corresponding name
+func (v *WorkloadIntentClient) GetWorkloadIntents(project, compositeapp, compositeappversion, netcontrolintent string) ([]WorkloadIntent, error) {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: "",
+ }
+
+ var resp []WorkloadIntent
+ values, err := db.DBconn.Find(v.db.storeName, key, v.db.tagMeta)
+ if err != nil {
+ return []WorkloadIntent{}, pkgerrors.Wrap(err, "Get WorkloadIntents")
+ }
+
+ for _, value := range values {
+ wi := WorkloadIntent{}
+ err = db.DBconn.Unmarshal(value, &wi)
+ if err != nil {
+ return []WorkloadIntent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ resp = append(resp, wi)
+ }
+
+ return resp, nil
+}
+
+// Delete the WorkloadIntent from database
+func (v *WorkloadIntentClient) DeleteWorkloadIntent(name, project, compositeapp, compositeappversion, netcontrolintent string) error {
+
+ //Construct key and tag to select the entry
+ key := WorkloadIntentKey{
+ Project: project,
+ CompositeApp: compositeapp,
+ CompositeAppVersion: compositeappversion,
+ NetControlIntent: netcontrolintent,
+ WorkloadIntent: name,
+ }
+
+ err := db.DBconn.Remove(v.db.storeName, key)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete WorkloadIntent Entry;")
+ }
+
+ return nil
+}