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-rw-r--r--src/ncm/pkg/module/cluster.go223
1 files changed, 222 insertions, 1 deletions
diff --git a/src/ncm/pkg/module/cluster.go b/src/ncm/pkg/module/cluster.go
index 4ca4e7c8..2397a091 100644
--- a/src/ncm/pkg/module/cluster.go
+++ b/src/ncm/pkg/module/cluster.go
@@ -17,7 +17,10 @@
package module
import (
+ "github.com/onap/multicloud-k8s/src/orchestrator/pkg/appcontext"
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
+ log "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/logutils"
+ "gopkg.in/yaml.v2"
pkgerrors "github.com/pkg/errors"
)
@@ -79,6 +82,10 @@ type ClusterKvPairsKey struct {
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)
@@ -88,9 +95,12 @@ type ClusterManager interface {
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
+ ApplyNetworkIntents(provider, name string) error
+ TerminateNetworkIntents(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)
@@ -115,6 +125,7 @@ func NewClusterClient() *ClusterClient {
storeName: "cluster",
tagMeta: "clustermetadata",
tagContent: "clustercontent",
+ tagContext: "clustercontext",
},
}
}
@@ -294,6 +305,33 @@ func (v *ClusterClient) GetClusterContent(provider, name string) (ClusterContent
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
@@ -351,8 +389,12 @@ func (v *ClusterClient) DeleteCluster(provider, name string) error {
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)
+ err = db.DBconn.Remove(v.db.storeName, key)
if err != nil {
return pkgerrors.Wrap(err, "Delete Cluster Entry;")
}
@@ -360,6 +402,185 @@ func (v *ClusterClient) DeleteCluster(provider, name string) error {
return nil
}
+// Apply Network Intents associated with a cluster
+func (v *ClusterClient) ApplyNetworkIntents(provider, name string) error {
+
+ _, err := v.GetClusterContext(provider, name)
+ if err == nil {
+ return pkgerrors.Errorf("Cluster network intents have already been applied: %v, %v", provider, name)
+ }
+
+ type resource struct {
+ name string
+ value string
+ }
+
+ var resources []resource
+
+ // Find all Network Intents for this cluster
+ networkIntents, err := NewNetworkClient().GetNetworks(provider, name)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error finding Network Intents")
+ }
+ for _, intent := range networkIntents {
+ var crNetwork = CrNetwork{
+ ApiVersion: NETWORK_APIVERSION,
+ Kind: NETWORK_KIND,
+ }
+ crNetwork.Network = intent
+ // Produce the yaml CR document for each intent
+ y, err := yaml.Marshal(&crNetwork)
+ if err != nil {
+ log.Info("Error marshalling network intent to yaml", log.Fields{
+ "error": err,
+ "intent": intent,
+ })
+ continue
+ }
+ resources = append(resources, resource{
+ name: intent.Metadata.Name + SEPARATOR + NETWORK_KIND,
+ value: string(y),
+ })
+ }
+
+ // Find all Provider Network Intents for this cluster
+ providerNetworkIntents, err := NewProviderNetClient().GetProviderNets(provider, name)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error finding Provider Network Intents")
+ }
+ for _, intent := range providerNetworkIntents {
+ var crProviderNet = CrProviderNet{
+ ApiVersion: PROVIDER_NETWORK_APIVERSION,
+ Kind: PROVIDER_NETWORK_KIND,
+ }
+ crProviderNet.ProviderNet = intent
+ // Produce the yaml CR document for each intent
+ y, err := yaml.Marshal(&crProviderNet)
+ if err != nil {
+ log.Info("Error marshalling provider network intent to yaml", log.Fields{
+ "error": err,
+ "intent": intent,
+ })
+ continue
+ }
+ resources = append(resources, resource{
+ name: intent.Metadata.Name + SEPARATOR + PROVIDER_NETWORK_KIND,
+ value: string(y),
+ })
+ }
+
+ if len(resources) == 0 {
+ return nil
+ }
+
+ // Make an app context for the network intent resources
+ context := appcontext.AppContext{}
+ ctxVal, err := context.InitAppContext()
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error creating AppContext")
+ }
+ handle, err := context.CreateCompositeApp()
+ if err != nil {
+ return pkgerrors.Wrap(err, "Error creating AppContext CompositeApp")
+ }
+
+ // Add an app (fixed value) to the app context
+ apphandle, err := context.AddApp(handle, CONTEXT_CLUSTER_APP)
+ if err != nil {
+ cleanuperr := context.DeleteCompositeApp()
+ if cleanuperr != nil {
+ log.Warn("Error cleaning AppContext CompositeApp create failure", log.Fields{
+ "cluster-provider": provider,
+ "cluster": name,
+ })
+ }
+ return pkgerrors.Wrap(err, "Error adding App to AppContext")
+ }
+
+ // Add a cluster to the app
+ clusterhandle, err := context.AddCluster(apphandle, provider+SEPARATOR+name)
+ if err != nil {
+ cleanuperr := context.DeleteCompositeApp()
+ if cleanuperr != nil {
+ log.Warn("Error cleaning AppContext after add cluster failure", log.Fields{
+ "cluster-provider": provider,
+ "cluster": name,
+ })
+ }
+ return pkgerrors.Wrap(err, "Error adding Cluster to AppContext")
+ }
+
+ // add the resources to the app context
+ for _, resource := range resources {
+ _, err = context.AddResource(clusterhandle, resource.name, resource.value)
+ if err != nil {
+ cleanuperr := context.DeleteCompositeApp()
+ if cleanuperr != nil {
+ log.Warn("Error cleaning AppContext after add resource failure", log.Fields{
+ "cluster-provider": provider,
+ "cluster": name,
+ "resource": resource.name,
+ })
+ }
+ return pkgerrors.Wrap(err, "Error adding Resource to AppContext")
+ }
+ }
+
+ // save the context in the cluster db record
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: name,
+ }
+ err = db.DBconn.Insert(v.db.storeName, key, nil, v.db.tagContext, ctxVal)
+ if err != nil {
+ cleanuperr := context.DeleteCompositeApp()
+ if cleanuperr != nil {
+ log.Warn("Error cleaning AppContext after DB insert failure", log.Fields{
+ "cluster-provider": provider,
+ "cluster": name,
+ })
+ }
+ return pkgerrors.Wrap(err, "Error adding AppContext to DB")
+ }
+
+ // TODO: call resource synchronizer to instantiate the CRs in the cluster
+
+ return nil
+}
+
+// Terminate Network Intents associated with a cluster
+func (v *ClusterClient) TerminateNetworkIntents(provider, name string) error {
+ context, err := v.GetClusterContext(provider, name)
+ if err != nil {
+ return pkgerrors.Wrapf(err, "Error finding AppContext for cluster: %v, %v", provider, name)
+ }
+
+ // TODO: call resource synchronizer to terminate the CRs in the cluster
+
+ // remove the app context
+ cleanuperr := context.DeleteCompositeApp()
+ if cleanuperr != nil {
+ log.Warn("Error deleted AppContext", log.Fields{
+ "cluster-provider": provider,
+ "cluster": name,
+ })
+ }
+
+ // remove the app context field from the cluster db record
+ key := ClusterKey{
+ ClusterProviderName: provider,
+ ClusterName: name,
+ }
+ err = db.DBconn.RemoveTag(v.db.storeName, key, v.db.tagContext)
+ if err != nil {
+ log.Warn("Error removing AppContext from Cluster document", log.Fields{
+ "cluster-provider": provider,
+ "cluster": name,
+ })
+ }
+ 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