| package deliveryservice |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import ( |
| "database/sql" |
| "errors" |
| "fmt" |
| "net/http" |
| "strings" |
| |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| "github.com/apache/trafficcontrol/lib/go-util" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/api" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/dbhelpers" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/tenant" |
| "github.com/lib/pq" |
| ) |
| |
| func GetServersEligible(w http.ResponseWriter, r *http.Request) { |
| inf, userErr, sysErr, errCode := api.NewInfo(r, []string{"id"}, []string{"id"}) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr) |
| return |
| } |
| defer inf.Close() |
| |
| dsTenantID, ok, err := getDSTenantIDByID(inf.Tx.Tx, inf.IntParams["id"]) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("checking tenant: "+err.Error())) |
| return |
| } |
| if !ok { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusNotFound, errors.New("delivery service "+inf.Params["id"]+" not found"), nil) |
| return |
| } |
| if authorized, err := tenant.IsResourceAuthorizedToUserTx(*dsTenantID, inf.User, inf.Tx.Tx); err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("checking tenant: "+err.Error())) |
| return |
| } else if !authorized { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusForbidden, errors.New("not authorized on this tenant"), nil) |
| return |
| } |
| |
| servers, err := getEligibleServers(inf.Tx.Tx, inf.IntParams["id"]) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("getting eligible servers: "+err.Error())) |
| return |
| } |
| |
| if inf.Version.Major == 3 { |
| v3ServerList := []tc.DSServer{} |
| for _, srv := range servers { |
| routerHostName := "" |
| routerPort := "" |
| interfaces := *srv.ServerInterfaces |
| // All interfaces should have the same router name/port when they were upgraded from v1/2/3 to v4, so we can just choose any of them |
| if len(interfaces) != 0 { |
| routerHostName = interfaces[0].RouterHostName |
| routerPort = interfaces[0].RouterPortName |
| } |
| v3Interfaces, err := tc.V4InterfaceInfoToV3Interfaces(interfaces) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, nil, errors.New("converting to server detail v11: "+err.Error())) |
| return |
| } |
| v3server := tc.DSServer{} |
| if len(srv.ProfileNames) == 0 { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusNotFound, errors.New("profile name for server: "+*srv.HostName+" not found"), nil) |
| return |
| } |
| pid, pdesc := dbhelpers.GetProfileIDDesc(inf.Tx.Tx, srv.ProfileNames[0]) |
| v3server.DSServerBase = srv.DSServerBaseV4.ToDSServerBase(&routerHostName, &routerPort, &pdesc, &pid) |
| |
| v3server.ServerInterfaces = &v3Interfaces |
| |
| v3ServerList = append(v3ServerList, v3server) |
| } |
| api.WriteResp(w, r, v3ServerList) |
| return |
| } |
| api.WriteResp(w, r, servers) |
| } |
| |
| func getEligibleServers(tx *sql.Tx, dsID int) ([]tc.DSServerV4, error) { |
| queryFormatString := ` |
| WITH ds_id as (SELECT $1::bigint as v) |
| SELECT |
| s.id |
| %s |
| FROM server s |
| JOIN cachegroup cg ON s.cachegroup = cg.id |
| JOIN cdn cdn ON s.cdn_id = cdn.id |
| JOIN phys_location pl ON s.phys_location = pl.id |
| JOIN profile p ON s.profile = p.id |
| JOIN status st ON s.status = st.id |
| JOIN type t ON s.type = t.id |
| %s` |
| queryWhereClause := ` |
| WHERE s.cdn_id = (SELECT cdn_id from deliveryservice where id = (select v from ds_id)) |
| AND (t.name LIKE 'EDGE%' OR t.name LIKE 'ORG%') |
| ` |
| dataFetchQuery := `, |
| cg.name as cachegroup, |
| s.cachegroup as cachegroup_id, |
| s.cdn_id, |
| cdn.name as cdn_name, |
| s.domain_name, |
| s.guid, |
| s.host_name, |
| s.https_port, |
| s.ilo_ip_address, |
| s.ilo_ip_gateway, |
| s.ilo_ip_netmask, |
| s.ilo_password, |
| s.ilo_username, |
| s.last_updated, |
| s.mgmt_ip_address, |
| s.mgmt_ip_gateway, |
| s.mgmt_ip_netmask, |
| s.offline_reason, |
| pl.name as phys_location, |
| s.phys_location as phys_location_id, |
| (SELECT ARRAY_AGG(profile_name) FROM server_profile WHERE server_profile.server=s.id) as profile_name, |
| s.rack, |
| st.name as status, |
| s.status as status_id, |
| s.tcp_port, |
| t.name as server_type, |
| s.type as server_type_id, |
| s.config_update_time > s.config_apply_time AS upd_pending, |
| ARRAY(select ssc.server_capability from server_server_capability ssc where ssc.server = s.id order by ssc.server_capability) as server_capabilities, |
| ARRAY(select drc.required_capability from deliveryservices_required_capability drc where drc.deliveryservice_id = (select v from ds_id) order by drc.required_capability) as deliveryservice_capabilities |
| ` |
| idRows, err := tx.Query(fmt.Sprintf(queryFormatString, "", queryWhereClause), dsID) |
| if err != nil { |
| return nil, errors.New("querying delivery service eligible servers: " + err.Error()) |
| } |
| defer idRows.Close() |
| var serverIDs []int |
| for idRows.Next() { |
| var serverID *int |
| err := idRows.Scan(&serverID) |
| if err != nil { |
| return nil, errors.New("querying delivery service eligible server ids: " + err.Error()) |
| } |
| serverIDs = append(serverIDs, *serverID) |
| } |
| serversMap, err := dbhelpers.GetServersInterfaces(serverIDs, tx) |
| if err != nil { |
| return nil, errors.New("unable to get server interfaces: " + err.Error()) |
| } |
| |
| rows, err := tx.Query(fmt.Sprintf(queryFormatString, dataFetchQuery, queryWhereClause), dsID) |
| if err != nil { |
| return nil, errors.New("querying delivery service eligible servers: " + err.Error()) |
| } |
| defer rows.Close() |
| |
| servers := []tc.DSServerV4{} |
| for rows.Next() { |
| s := tc.DSServerV4{} |
| err := rows.Scan( |
| &s.ID, |
| &s.Cachegroup, |
| &s.CachegroupID, |
| &s.CDNID, |
| &s.CDNName, |
| &s.DomainName, |
| &s.GUID, |
| &s.HostName, |
| &s.HTTPSPort, |
| &s.ILOIPAddress, |
| &s.ILOIPGateway, |
| &s.ILOIPNetmask, |
| &s.ILOPassword, |
| &s.ILOUsername, |
| &s.LastUpdated, |
| &s.MgmtIPAddress, |
| &s.MgmtIPGateway, |
| &s.MgmtIPNetmask, |
| &s.OfflineReason, |
| &s.PhysLocation, |
| &s.PhysLocationID, |
| pq.Array(&s.ProfileNames), |
| &s.Rack, |
| &s.Status, |
| &s.StatusID, |
| &s.TCPPort, |
| &s.Type, |
| &s.TypeID, |
| &s.UpdPending, |
| pq.Array(&s.ServerCapabilities), |
| pq.Array(&s.DeliveryServiceCapabilities), |
| ) |
| if err != nil { |
| return nil, errors.New("scanning delivery service eligible servers: " + err.Error()) |
| } |
| s.ServerInterfaces = &[]tc.ServerInterfaceInfoV40{} |
| if interfacesMap, ok := serversMap[*s.ID]; ok { |
| for _, interfaceInfo := range interfacesMap { |
| *s.ServerInterfaces = append(*s.ServerInterfaces, interfaceInfo) |
| } |
| } |
| if len(*s.ServerInterfaces) == 0 { |
| return nil, fmt.Errorf("no interfaces found on eligible server. id: %d hostname: %s", *s.ID, *s.HostName) |
| } |
| |
| eligible := true |
| |
| if !strings.HasPrefix(s.Type, "ORG") { |
| for _, dsc := range s.DeliveryServiceCapabilities { |
| if !util.ContainsStr(s.ServerCapabilities, dsc) { |
| eligible = false |
| } |
| } |
| } |
| |
| if eligible { |
| servers = append(servers, s) |
| } |
| } |
| return servers, nil |
| } |