From 529906640a6844dd371de37631e3948d328a390b Mon Sep 17 00:00:00 2001 From: Eric Multanen Date: Fri, 13 Mar 2020 17:39:40 -0700 Subject: Add Network and Provider Network Intent API support Add API for CRUD operations to manage network and provider-network intent resources. Issue-ID: MULTICLOUD-1029 Signed-off-by: Eric Multanen Change-Id: If3c71691b3825db50eacdb0ea87b0d5c436ad80f --- src/ncm/api/providernethandler.go | 268 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 268 insertions(+) create mode 100644 src/ncm/api/providernethandler.go (limited to 'src/ncm/api/providernethandler.go') diff --git a/src/ncm/api/providernethandler.go b/src/ncm/api/providernethandler.go new file mode 100644 index 00000000..b38a16c5 --- /dev/null +++ b/src/ncm/api/providernethandler.go @@ -0,0 +1,268 @@ +/* + * 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 api + +import ( + "encoding/json" + "fmt" + "io" + "net/http" + "strings" + + moduleLib "github.com/onap/multicloud-k8s/src/ncm/pkg/module" + "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/validation" + pkgerrors "github.com/pkg/errors" + + "github.com/gorilla/mux" +) + +// Used to store backend implementations objects +// Also simplifies mocking for unit testing purposes +type providernetHandler struct { + // Interface that implements Cluster operations + // We will set this variable with a mock interface for testing + client moduleLib.ProviderNetManager +} + +// Check for valid format of input parameters +func validateProviderNetInputs(p moduleLib.ProviderNet) error { + // validate name + errs := validation.IsValidName(p.Metadata.Name) + if len(errs) > 0 { + return pkgerrors.Errorf("Invalid provider network name=[%v], errors: %v", p.Metadata.Name, errs) + } + + // validate cni type + found := false + for _, val := range moduleLib.CNI_TYPES { + if p.Spec.CniType == val { + found = true + break + } + } + if !found { + return pkgerrors.Errorf("Invalid cni type: %v", p.Spec.CniType) + } + + // validate the provider network type + found = false + for _, val := range moduleLib.PROVIDER_NET_TYPES { + if strings.ToUpper(p.Spec.ProviderNetType) == val { + found = true + break + } + } + if !found { + return pkgerrors.Errorf("Invalid provider network type: %v", p.Spec.ProviderNetType) + } + + // validate the subnets + subnets := p.Spec.Ipv4Subnets + for _, subnet := range subnets { + err := moduleLib.ValidateSubnet(subnet) + if err != nil { + return pkgerrors.Wrap(err, "invalid subnet") + } + } + + // validate the VLAN ID + errs = validation.IsValidNumber(p.Spec.Vlan.VlanId, 0, 4095) + if len(errs) > 0 { + return pkgerrors.Errorf("Invalid VlAN ID %v - error: %v", p.Spec.Vlan.VlanId, errs) + } + + // validate the VLAN Node Selector value + expectLabels := false + found = false + for _, val := range moduleLib.VLAN_NODE_SELECTORS { + if strings.ToLower(p.Spec.Vlan.VlanNodeSelector) == val { + found = true + if val == moduleLib.VLAN_NODE_SPECIFIC { + expectLabels = true + } + break + } + } + if !found { + return pkgerrors.Errorf("Invalid VlAN Node Selector %v", p.Spec.Vlan.VlanNodeSelector) + } + + // validate the node label list + gotLabels := false + for _, label := range p.Spec.Vlan.NodeLabelList { + errs = validation.IsValidLabel(label) + if len(errs) > 0 { + return pkgerrors.Errorf("Invalid Label=%v - errors: %v", label, errs) + } + gotLabels = true + } + + // Need at least one label if node selector value was "specific" + // (if selector is "any" - don't care if labels were supplied or not + if expectLabels && !gotLabels { + return pkgerrors.Errorf("Node Labels required for VlAN node selector \"%v\"", moduleLib.VLAN_NODE_SPECIFIC) + } + + return nil +} + +// Create handles creation of the ProviderNet entry in the database +func (h providernetHandler) createProviderNetHandler(w http.ResponseWriter, r *http.Request) { + var p moduleLib.ProviderNet + vars := mux.Vars(r) + clusterProvider := vars["provider-name"] + cluster := vars["cluster-name"] + + err := json.NewDecoder(r.Body).Decode(&p) + + switch { + case err == io.EOF: + http.Error(w, "Empty body", http.StatusBadRequest) + return + case err != nil: + http.Error(w, err.Error(), http.StatusUnprocessableEntity) + return + } + + // Name is required. + if p.Metadata.Name == "" { + http.Error(w, "Missing name in POST request", http.StatusBadRequest) + return + } + + err = validateProviderNetInputs(p) + if err != nil { + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + ret, err := h.client.CreateProviderNet(p, clusterProvider, cluster, false) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(http.StatusCreated) + err = json.NewEncoder(w).Encode(ret) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } +} + +// Put handles creation/update of the ProviderNet entry in the database +func (h providernetHandler) putProviderNetHandler(w http.ResponseWriter, r *http.Request) { + var p moduleLib.ProviderNet + vars := mux.Vars(r) + clusterProvider := vars["provider-name"] + cluster := vars["cluster-name"] + name := vars["name"] + + err := json.NewDecoder(r.Body).Decode(&p) + + switch { + case err == io.EOF: + http.Error(w, "Empty body", http.StatusBadRequest) + return + case err != nil: + http.Error(w, err.Error(), http.StatusUnprocessableEntity) + return + } + + // Name is required. + if p.Metadata.Name == "" { + http.Error(w, "Missing name in PUT request", http.StatusBadRequest) + return + } + + // Name in URL should match name in body + if p.Metadata.Name != name { + fmt.Printf("bodyname = %v, name= %v\n", p.Metadata.Name, name) + http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest) + return + } + + err = validateProviderNetInputs(p) + if err != nil { + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + ret, err := h.client.CreateProviderNet(p, clusterProvider, cluster, true) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(http.StatusCreated) + err = json.NewEncoder(w).Encode(ret) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } +} + +// Get handles GET operations on a particular ProviderNet Name +// Returns a ProviderNet +func (h providernetHandler) getProviderNetHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + clusterProvider := vars["provider-name"] + cluster := vars["cluster-name"] + name := vars["name"] + var ret interface{} + var err error + + if len(name) == 0 { + ret, err = h.client.GetProviderNets(clusterProvider, cluster) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + } else { + ret, err = h.client.GetProviderNet(name, clusterProvider, cluster) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + } + + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(http.StatusOK) + err = json.NewEncoder(w).Encode(ret) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } +} + +// Delete handles DELETE operations on a particular ProviderNet Name +func (h providernetHandler) deleteProviderNetHandler(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + clusterProvider := vars["provider-name"] + cluster := vars["cluster-name"] + name := vars["name"] + + err := h.client.DeleteProviderNet(name, clusterProvider, cluster) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + w.WriteHeader(http.StatusNoContent) +} -- cgit 1.2.3-korg