| package crconfig |
| |
| /* |
| * 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" |
| "net/url" |
| "strings" |
| |
| "github.com/apache/trafficcontrol/lib/go-log" |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/topology" |
| ) |
| |
| // Make creates and returns the CRConfig from the database. |
| func Make(tx *sql.Tx, cdn, user, toHost, toVersion string, useClientReqHost bool, emulateOldPath bool) (*tc.CRConfig, error) { |
| crc := tc.CRConfig{} |
| err := error(nil) |
| |
| cdnDomain, dnssecEnabled, err := getCDNInfo(cdn, tx) |
| if err != nil { |
| return nil, errors.New("Error getting CDN info: " + err.Error()) |
| } |
| |
| if crc.Config, err = makeCRConfigConfig(cdn, tx, dnssecEnabled, cdnDomain); err != nil { |
| return nil, errors.New("Error getting Config: " + err.Error()) |
| } |
| |
| if crc.ContentServers, crc.ContentRouters, crc.Monitors, err = makeCRConfigServers(cdn, tx, cdnDomain); err != nil { |
| return nil, errors.New("Error getting Servers: " + err.Error()) |
| } |
| if crc.EdgeLocations, crc.RouterLocations, err = makeLocations(cdn, tx); err != nil { |
| return nil, errors.New("Error getting Edge Locations: " + err.Error()) |
| } |
| if crc.DeliveryServices, err = makeDSes(cdn, cdnDomain, tx); err != nil { |
| return nil, errors.New("Error getting Delivery Services: " + err.Error()) |
| } |
| if crc.Topologies, err = topology.MakeTopologies(tx); err != nil { |
| return nil, errors.New("Error getting Topologies: " + err.Error()) |
| } |
| |
| if !useClientReqHost { |
| paramTMURL, ok, err := getGlobalParam(tx, "tm.url") |
| if err != nil { |
| return nil, errors.New("getting global 'tm.url' parameter: " + err.Error()) |
| } |
| if !ok { |
| log.Warnln("Making CRConfig: no global tm.url parameter found! Using request host header instead!") |
| } |
| toHost = getTMURLHost(paramTMURL) |
| } |
| |
| crc.Stats = makeStats(cdn, user, toHost, toVersion) |
| if emulateOldPath { |
| crc.Stats.TMPath = new(string) |
| *crc.Stats.TMPath = "/tools/write_crconfig/" + cdn |
| } |
| return &crc, nil |
| } |
| |
| // getTMURLHost returns the FQDN from a tm.url global parameter, which should be either an FQDN or a Hostname. |
| // If tmURL is a valid URL, the FQDN is returned. |
| // if tmURL is not a valid URL, it is returned with any leading 'http://' or 'http://' removed, and everything after the next '/' removed. |
| func getTMURLHost(tmURL string) string { |
| if !strings.HasPrefix(tmURL, "http://") && !strings.HasPrefix(tmURL, "https://") { |
| tmURL = "http://" + tmURL // if it doesn't begin with "http://", add it so it's a valid URL to parse |
| } |
| uri, err := url.Parse(tmURL) |
| if err == nil { |
| return uri.Host |
| } |
| |
| // if it isn't a valid URL, do the best we can: strip the protocol and path |
| tmURL = strings.TrimPrefix(tmURL, "https://") |
| tmURL = strings.TrimPrefix(tmURL, "http://") |
| pathStart := strings.Index(tmURL, "/") |
| if pathStart == -1 { |
| return tmURL |
| } |
| tmURL = tmURL[:pathStart] |
| return tmURL |
| } |