Move cluster management into its own microservice

Split out the cluster provider and cluster APIs
and packages into a separate microservice to align
with the architecture.

Issue-ID: MULTICLOUD-1029
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: I08f357b5a488004a2389b72a178ae33e101d1540

1 files changed, 0 insertions, 602 deletions

diff --git a/src/ncm/pkg/cluster/cluster.go b/src/ncm/pkg/cluster/cluster.go
deleted file mode 100644
index f656688c..00000000
--- a/src/ncm/pkg/cluster/cluster.go
+++ /dev/null
@@ -1,602 +0,0 @@
-/*
- * 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
-}