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authorEric Multanen <eric.w.multanen@intel.com>2020-05-28 17:07:20 -0700
committerEric Multanen <eric.w.multanen@intel.com>2020-06-02 14:00:07 -0700
commitad7782cbf83c11f152a6457f3808a4da99a1ae56 (patch)
treee88276d8f0d55bd58a903d1c31ab4e43e4011193 /src/ovnaction/pkg/module/workloadifintent.go
parentc257a136355a794f5bf778f670c041e8958c3608 (diff)
Create OVN network action controller from ncm
Split out part of ncm microservice to act as the Onv4k8s network action controller for the orchestrator. No code changes really - just moving around to fit the architectural plan. Issue-ID: MULTICLOUD-1029 Signed-off-by: Eric Multanen <eric.w.multanen@intel.com> Change-Id: I17292ac72d041050269f05fc4a0c2a6ca741aeb5
Diffstat (limited to 'src/ovnaction/pkg/module/workloadifintent.go')
-rw-r--r--src/ovnaction/pkg/module/workloadifintent.go188
1 files changed, 188 insertions, 0 deletions
diff --git a/src/ovnaction/pkg/module/workloadifintent.go b/src/ovnaction/pkg/module/workloadifintent.go
new file mode 100644
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+++ b/src/ovnaction/pkg/module/workloadifintent.go
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+/*
+ * 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
+}