summaryrefslogtreecommitdiffstats
path: root/src/ncm/pkg/cluster/cluster.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/ncm/pkg/cluster/cluster.go')
-rw-r--r--src/ncm/pkg/cluster/cluster.go602
1 files changed, 602 insertions, 0 deletions
diff --git a/src/ncm/pkg/cluster/cluster.go b/src/ncm/pkg/cluster/cluster.go
new file mode 100644
index 00000000..f656688c
--- /dev/null
+++ b/src/ncm/pkg/cluster/cluster.go
@@ -0,0 +1,602 @@
+/*
+ * 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 cluster
+
+import (
+ ncmtypes "github.com/onap/multicloud-k8s/src/ncm/pkg/module/types"
+ appcontext "github.com/onap/multicloud-k8s/src/orchestrator/pkg/appcontext"
+ "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
+ mtypes "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module/types"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// ClusterProvider contains the parameters needed for ClusterProviders
+type ClusterProvider struct {
+ Metadata mtypes.Metadata `json:"metadata"`
+}
+
+type Cluster struct {
+ Metadata mtypes.Metadata `json:"metadata"`
+}
+
+type ClusterContent struct {
+ Kubeconfig string `json:"kubeconfig"`
+}
+
+type ClusterLabel struct {
+ LabelName string `json:"label-name"`
+}
+
+type ClusterKvPairs struct {
+ Metadata mtypes.Metadata `json:"metadata"`
+ Spec ClusterKvSpec `json:"spec"`
+}
+
+type ClusterKvSpec struct {
+ Kv []map[string]interface{} `json:"kv"`
+}
+
+// ClusterProviderKey is the key structure that is used in the database
+type ClusterProviderKey struct {
+ ClusterProviderName string `json:"provider"`
+}
+
+// ClusterKey is the key structure that is used in the database
+type ClusterKey struct {
+ ClusterProviderName string `json:"provider"`
+ ClusterName string `json:"cluster"`
+}
+
+// ClusterLabelKey is the key structure that is used in the database
+type ClusterLabelKey struct {
+ ClusterProviderName string `json:"provider"`
+ ClusterName string `json:"cluster"`
+ ClusterLabelName string `json:"label"`
+}
+
+// LabelKey is the key structure that is used in the database
+type LabelKey struct {
+ ClusterProviderName string `json:"provider"`
+ ClusterLabelName string `json:"label"`
+}
+
+// ClusterKvPairsKey is the key structure that is used in the database
+type ClusterKvPairsKey struct {
+ ClusterProviderName string `json:"provider"`
+ ClusterName string `json:"cluster"`
+ ClusterKvPairsName string `json:"kvname"`
+}
+
+const SEPARATOR = "+"
+const CONTEXT_CLUSTER_APP = "network-intents"
+const CONTEXT_CLUSTER_RESOURCE = "network-intents"
+
+// ClusterManager is an interface exposes the Cluster functionality
+type ClusterManager interface {
+ CreateClusterProvider(pr ClusterProvider) (ClusterProvider, error)
+ GetClusterProvider(name string) (ClusterProvider, error)
+ GetClusterProviders() ([]ClusterProvider, error)
+ DeleteClusterProvider(name string) error
+ CreateCluster(provider string, pr Cluster, qr ClusterContent) (Cluster, error)
+ GetCluster(provider, name string) (Cluster, error)
+ GetClusterContent(provider, name string) (ClusterContent, error)
+ GetClusterContext(provider, name string) (appcontext.AppContext, error)
+ GetClusters(provider string) ([]Cluster, error)
+ GetClustersWithLabel(provider, label string) ([]string, error)
+ DeleteCluster(provider, name string) error
+ CreateClusterLabel(provider, cluster string, pr ClusterLabel) (ClusterLabel, error)
+ GetClusterLabel(provider, cluster, label string) (ClusterLabel, error)
+ GetClusterLabels(provider, cluster string) ([]ClusterLabel, error)
+ DeleteClusterLabel(provider, cluster, label string) error
+ CreateClusterKvPairs(provider, cluster string, pr ClusterKvPairs) (ClusterKvPairs, error)
+ GetClusterKvPairs(provider, cluster, kvpair string) (ClusterKvPairs, error)
+ GetAllClusterKvPairs(provider, cluster string) ([]ClusterKvPairs, error)
+ DeleteClusterKvPairs(provider, cluster, kvpair string) error
+}
+
+// ClusterClient implements the Manager
+// It will also be used to maintain some localized state
+type ClusterClient struct {
+ db ncmtypes.ClientDbInfo
+}
+
+// NewClusterClient returns an instance of the ClusterClient
+// which implements the Manager
+func NewClusterClient() *ClusterClient {
+ return &ClusterClient{
+ db: ncmtypes.ClientDbInfo{
+ StoreName: "cluster",
+ TagMeta: "clustermetadata",
+ TagContent: "clustercontent",
+ TagContext: "clustercontext",
+ },
+ }
+}
+
+// CreateClusterProvider - create a new Cluster Provider
+func (v *ClusterClient) CreateClusterProvider(p ClusterProvider) (ClusterProvider, error) {
+
+ //Construct key and tag to select the entry
+ key := ClusterProviderKey{
+ ClusterProviderName: p.Metadata.Name,
+ }
+
+ //Check if this ClusterProvider already exists
+ _, err := v.GetClusterProvider(p.Metadata.Name)
+ if err == nil {
+ return ClusterProvider{}, pkgerrors.New("ClusterProvider already exists")
+ }
+
+ err = db.DBconn.Insert(v.db.StoreName, key, nil, v.db.TagMeta, p)
+ if err != nil {
+ return ClusterProvider{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return p, nil
+}
+
+// GetClusterProvider returns the ClusterProvider for corresponding name
+func (v *ClusterClient) GetClusterProvider(name string) (ClusterProvider, error) {
+
+ //Construct key and tag to select the entry
+ key := ClusterProviderKey{
+ ClusterProviderName: name,
+ }
+
+ value, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return ClusterProvider{}, pkgerrors.Wrap(err, "Get ClusterProvider")
+ }
+
+ //value is a byte array
+ if value != nil {
+ cp := ClusterProvider{}
+ err = db.DBconn.Unmarshal(value[0], &cp)
+ if err != nil {
+ return ClusterProvider{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return cp, nil
+ }
+
+ return ClusterProvider{}, pkgerrors.New("Error getting ClusterProvider")
+}
+
+// GetClusterProviderList returns all of the ClusterProvider for corresponding name
+func (v *ClusterClient) GetClusterProviders() ([]ClusterProvider, error) {
+
+ //Construct key and tag to select the entry
+ key := ClusterProviderKey{
+ ClusterProviderName: "",
+ }
+
+ var resp []ClusterProvider
+ values, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return []ClusterProvider{}, pkgerrors.Wrap(err, "Get ClusterProviders")
+ }
+
+ for _, value := range values {
+ cp := ClusterProvider{}
+ err = db.DBconn.Unmarshal(value, &cp)
+ if err != nil {
+ return []ClusterProvider{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ resp = append(resp, cp)
+ }
+
+ return resp, nil
+}
+
+// DeleteClusterProvider the ClusterProvider from database
+func (v *ClusterClient) DeleteClusterProvider(name string) error {
+
+ //Construct key and tag to select the entry
+ key := ClusterProviderKey{
+ ClusterProviderName: name,
+ }
+
+ err := db.DBconn.Remove(v.db.StoreName, key)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete ClusterProvider Entry;")
+ }
+
+ return nil
+}
+
+// CreateCluster - create a new Cluster for a cluster-provider
+func (v *ClusterClient) CreateCluster(provider string, p Cluster, q ClusterContent) (Cluster, error) {
+
+ //Construct key and tag to select the entry
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: p.Metadata.Name,
+ }
+
+ //Verify ClusterProvider already exists
+ _, err := v.GetClusterProvider(provider)
+ if err != nil {
+ return Cluster{}, pkgerrors.New("ClusterProvider does not exist")
+ }
+
+ //Check if this Cluster already exists
+ _, err = v.GetCluster(provider, p.Metadata.Name)
+ if err == nil {
+ return Cluster{}, pkgerrors.New("Cluster already exists")
+ }
+
+ err = db.DBconn.Insert(v.db.StoreName, key, nil, v.db.TagMeta, p)
+ if err != nil {
+ return Cluster{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+ err = db.DBconn.Insert(v.db.StoreName, key, nil, v.db.TagContent, q)
+ if err != nil {
+ return Cluster{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return p, nil
+}
+
+// GetCluster returns the Cluster for corresponding provider and name
+func (v *ClusterClient) GetCluster(provider, name string) (Cluster, error) {
+ //Construct key and tag to select the entry
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: name,
+ }
+
+ value, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return Cluster{}, pkgerrors.Wrap(err, "Get Cluster")
+ }
+
+ //value is a byte array
+ if value != nil {
+ cl := Cluster{}
+ err = db.DBconn.Unmarshal(value[0], &cl)
+ if err != nil {
+ return Cluster{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return cl, nil
+ }
+
+ return Cluster{}, pkgerrors.New("Error getting Cluster")
+}
+
+// GetClusterContent returns the ClusterContent for corresponding provider and name
+func (v *ClusterClient) GetClusterContent(provider, name string) (ClusterContent, error) {
+ //Construct key and tag to select the entry
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: name,
+ }
+
+ value, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagContent)
+ if err != nil {
+ return ClusterContent{}, pkgerrors.Wrap(err, "Get Cluster Content")
+ }
+
+ //value is a byte array
+ if value != nil {
+ cc := ClusterContent{}
+ err = db.DBconn.Unmarshal(value[0], &cc)
+ if err != nil {
+ return ClusterContent{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return cc, nil
+ }
+
+ return ClusterContent{}, pkgerrors.New("Error getting Cluster Content")
+}
+
+// GetClusterContext returns the AppContext for corresponding provider and name
+func (v *ClusterClient) GetClusterContext(provider, name string) (appcontext.AppContext, error) {
+ //Construct key and tag to select the entry
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: name,
+ }
+
+ value, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagContext)
+ if err != nil {
+ return appcontext.AppContext{}, pkgerrors.Wrap(err, "Get Cluster Context")
+ }
+
+ //value is a byte array
+ if value != nil {
+ ctxVal := string(value[0])
+ var cc appcontext.AppContext
+ _, err = cc.LoadAppContext(ctxVal)
+ if err != nil {
+ return appcontext.AppContext{}, pkgerrors.Wrap(err, "Reinitializing Cluster AppContext")
+ }
+ return cc, nil
+ }
+
+ return appcontext.AppContext{}, pkgerrors.New("Error getting Cluster AppContext")
+}
+
+// GetClusters returns all the Clusters for corresponding provider
+func (v *ClusterClient) GetClusters(provider string) ([]Cluster, error) {
+ //Construct key and tag to select the entry
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: "",
+ }
+
+ values, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return []Cluster{}, pkgerrors.Wrap(err, "Get Clusters")
+ }
+
+ var resp []Cluster
+
+ for _, value := range values {
+ cp := Cluster{}
+ err = db.DBconn.Unmarshal(value, &cp)
+ if err != nil {
+ return []Cluster{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ resp = append(resp, cp)
+ }
+
+ return resp, nil
+}
+
+// GetClustersWithLabel returns all the Clusters with Labels for provider
+// Support Query like /cluster-providers/{Provider}/clusters?label={label}
+func (v *ClusterClient) GetClustersWithLabel(provider, label string) ([]string, error) {
+ //Construct key and tag to select the entry
+ key := LabelKey{
+ ClusterProviderName: provider,
+ ClusterLabelName: label,
+ }
+
+ values, err := db.DBconn.Find(v.db.StoreName, key, "cluster")
+ if err != nil {
+ return []string{}, pkgerrors.Wrap(err, "Get Clusters by label")
+ }
+ var resp []string
+
+ for _, value := range values {
+ cp := string(value)
+ resp = append(resp, cp)
+ }
+
+ return resp, nil
+}
+
+// DeleteCluster the Cluster from database
+func (v *ClusterClient) DeleteCluster(provider, name string) error {
+ //Construct key and tag to select the entry
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: name,
+ }
+ _, err := v.GetClusterContext(provider, name)
+ if err == nil {
+ return pkgerrors.Errorf("Cannot delete cluster until context is deleted: %v, %v", provider, name)
+ }
+
+ err = db.DBconn.Remove(v.db.StoreName, key)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete Cluster Entry;")
+ }
+
+ return nil
+}
+
+// CreateClusterLabel - create a new Cluster Label mongo document for a cluster-provider/cluster
+func (v *ClusterClient) CreateClusterLabel(provider string, cluster string, p ClusterLabel) (ClusterLabel, error) {
+ //Construct key and tag to select the entry
+ key := ClusterLabelKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterLabelName: p.LabelName,
+ }
+
+ //Verify Cluster already exists
+ _, err := v.GetCluster(provider, cluster)
+ if err != nil {
+ return ClusterLabel{}, pkgerrors.New("Cluster does not exist")
+ }
+
+ //Check if this ClusterLabel already exists
+ _, err = v.GetClusterLabel(provider, cluster, p.LabelName)
+ if err == nil {
+ return ClusterLabel{}, pkgerrors.New("Cluster Label already exists")
+ }
+
+ err = db.DBconn.Insert(v.db.StoreName, key, nil, v.db.TagMeta, p)
+ if err != nil {
+ return ClusterLabel{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return p, nil
+}
+
+// GetClusterLabel returns the Cluster for corresponding provider, cluster and label
+func (v *ClusterClient) GetClusterLabel(provider, cluster, label string) (ClusterLabel, error) {
+ //Construct key and tag to select the entry
+ key := ClusterLabelKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterLabelName: label,
+ }
+
+ value, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return ClusterLabel{}, pkgerrors.Wrap(err, "Get Cluster")
+ }
+
+ //value is a byte array
+ if value != nil {
+ cl := ClusterLabel{}
+ err = db.DBconn.Unmarshal(value[0], &cl)
+ if err != nil {
+ return ClusterLabel{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return cl, nil
+ }
+
+ return ClusterLabel{}, pkgerrors.New("Error getting Cluster")
+}
+
+// GetClusterLabels returns the Cluster Labels for corresponding provider and cluster
+func (v *ClusterClient) GetClusterLabels(provider, cluster string) ([]ClusterLabel, error) {
+ //Construct key and tag to select the entry
+ key := ClusterLabelKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterLabelName: "",
+ }
+
+ values, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return []ClusterLabel{}, pkgerrors.Wrap(err, "Get Cluster Labels")
+ }
+
+ var resp []ClusterLabel
+
+ for _, value := range values {
+ cp := ClusterLabel{}
+ err = db.DBconn.Unmarshal(value, &cp)
+ if err != nil {
+ return []ClusterLabel{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ resp = append(resp, cp)
+ }
+
+ return resp, nil
+}
+
+// Delete the Cluster Label from database
+func (v *ClusterClient) DeleteClusterLabel(provider, cluster, label string) error {
+ //Construct key and tag to select the entry
+ key := ClusterLabelKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterLabelName: label,
+ }
+
+ err := db.DBconn.Remove(v.db.StoreName, key)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete ClusterLabel Entry;")
+ }
+
+ return nil
+}
+
+// CreateClusterKvPairs - Create a New Cluster KV pairs document
+func (v *ClusterClient) CreateClusterKvPairs(provider string, cluster string, p ClusterKvPairs) (ClusterKvPairs, error) {
+ key := ClusterKvPairsKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterKvPairsName: p.Metadata.Name,
+ }
+
+ //Verify Cluster already exists
+ _, err := v.GetCluster(provider, cluster)
+ if err != nil {
+ return ClusterKvPairs{}, pkgerrors.New("Cluster does not exist")
+ }
+
+ //Check if this ClusterKvPairs already exists
+ _, err = v.GetClusterKvPairs(provider, cluster, p.Metadata.Name)
+ if err == nil {
+ return ClusterKvPairs{}, pkgerrors.New("Cluster KV Pair already exists")
+ }
+
+ err = db.DBconn.Insert(v.db.StoreName, key, nil, v.db.TagMeta, p)
+ if err != nil {
+ return ClusterKvPairs{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return p, nil
+}
+
+// GetClusterKvPairs returns the Cluster KeyValue pair for corresponding provider, cluster and KV pair name
+func (v *ClusterClient) GetClusterKvPairs(provider, cluster, kvpair string) (ClusterKvPairs, error) {
+ //Construct key and tag to select entry
+ key := ClusterKvPairsKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterKvPairsName: kvpair,
+ }
+
+ value, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return ClusterKvPairs{}, pkgerrors.Wrap(err, "Get Cluster")
+ }
+
+ //value is a byte array
+ if value != nil {
+ ckvp := ClusterKvPairs{}
+ err = db.DBconn.Unmarshal(value[0], &ckvp)
+ if err != nil {
+ return ClusterKvPairs{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ return ckvp, nil
+ }
+
+ return ClusterKvPairs{}, pkgerrors.New("Error getting Cluster")
+}
+
+// GetAllClusterKvPairs returns the Cluster Kv Pairs for corresponding provider and cluster
+func (v *ClusterClient) GetAllClusterKvPairs(provider, cluster string) ([]ClusterKvPairs, error) {
+ //Construct key and tag to select the entry
+ key := ClusterKvPairsKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterKvPairsName: "",
+ }
+
+ values, err := db.DBconn.Find(v.db.StoreName, key, v.db.TagMeta)
+ if err != nil {
+ return []ClusterKvPairs{}, pkgerrors.Wrap(err, "Get Cluster KV Pairs")
+ }
+
+ var resp []ClusterKvPairs
+
+ for _, value := range values {
+ cp := ClusterKvPairs{}
+ err = db.DBconn.Unmarshal(value, &cp)
+ if err != nil {
+ return []ClusterKvPairs{}, pkgerrors.Wrap(err, "Unmarshalling Value")
+ }
+ resp = append(resp, cp)
+ }
+
+ return resp, nil
+}
+
+// DeleteClusterKvPairs the ClusterKvPairs from database
+func (v *ClusterClient) DeleteClusterKvPairs(provider, cluster, kvpair string) error {
+ //Construct key and tag to select entry
+ key := ClusterKvPairsKey{
+ ClusterProviderName: provider,
+ ClusterName: cluster,
+ ClusterKvPairsName: kvpair,
+ }
+
+ err := db.DBconn.Remove(v.db.StoreName, key)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete ClusterKvPairs Entry;")
+ }
+
+ return nil
+}