Dinesh Belwalkar | 0121796 | 2019-05-23 21:51:16 +0000 | [diff] [blame] | 1 | // Copyright 2018 Open Networking Foundation |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package main |
| 16 | |
| 17 | import ( |
| 18 | "fmt" |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 19 | "net" |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 20 | "net/http" |
Dinesh Belwalkar | 8af8d7d | 2019-05-29 21:00:50 +0000 | [diff] [blame] | 21 | "os" |
| 22 | "os/signal" |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 23 | "io/ioutil" |
| 24 | "github.com/Shopify/sarama" |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 25 | "google.golang.org/grpc" |
| 26 | "golang.org/x/net/context" |
mc | 6a9f01a | 2019-06-26 21:31:23 +0000 | [diff] [blame] | 27 | "crypto/tls" |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 28 | empty "github.com/golang/protobuf/ptypes/empty" |
| 29 | importer "./proto" |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 30 | "time" |
Dinesh Belwalkar | 0121796 | 2019-05-23 21:51:16 +0000 | [diff] [blame] | 31 | ) |
| 32 | |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 33 | //globals |
| 34 | const REDFISH_ROOT = "/redfish/v1" |
| 35 | const CONTENT_TYPE = "application/json" |
| 36 | |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 37 | var ( |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 38 | importerTopic = "importer" |
| 39 | |
| 40 | ) |
| 41 | |
| 42 | var DataProducer sarama.AsyncProducer |
| 43 | |
mc | 6a9f01a | 2019-06-26 21:31:23 +0000 | [diff] [blame] | 44 | var default_events = [...]string{"ResourceAdded","ResourceRemoved","Alert"} |
| 45 | |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 46 | var redfish_services = [...]string{"/Chassis", "/Systems","/EthernetSwitches"} |
| 47 | |
| 48 | type scheduler struct { |
| 49 | getdata time.Ticker |
| 50 | quit chan bool |
| 51 | } |
| 52 | |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 53 | type device struct { |
mc | 6a9f01a | 2019-06-26 21:31:23 +0000 | [diff] [blame] | 54 | subscriptions map[string]uint |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 55 | datacollector scheduler |
| 56 | freqchan chan uint32 |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | type Server struct { |
| 60 | devicemap map[string]*device |
| 61 | gRPCserver *grpc.Server |
| 62 | dataproducer sarama.AsyncProducer |
| 63 | devicechan chan *importer.DeviceInfo |
| 64 | } |
| 65 | |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 66 | func (s *Server) GetEventList(c context.Context, info *importer.DeviceInfo) (*importer.EventList, error) { |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 67 | fmt.Println("Received GetEventList\n") |
| 68 | eventstobesubscribed:= new(importer.EventList) |
| 69 | eventstobesubscribed.EventIpAddress = info.IpAddress |
| 70 | eventstobesubscribed.Events = append(eventstobesubscribed.Events,"ResourceAdded","ResourceRemoved","Alert") |
| 71 | return eventstobesubscribed, nil |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | func (s *Server) SetFrequency(c context.Context, info *importer.DeviceInfo) (*empty.Empty, error) { |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 75 | fmt.Println("Received SetFrequency") |
| 76 | s.devicemap[info.IpAddress].freqchan <- info.Frequency |
| 77 | return &empty.Empty{}, nil |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | func (s *Server) SubsrcribeGivenEvents(c context.Context, subeventlist *importer.EventList) (*empty.Empty, error) { |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 81 | fmt.Println("Received SubsrcribeEvents\n") |
| 82 | //Call API to subscribe events |
| 83 | ip_address := subeventlist.EventIpAddress |
| 84 | for _, event := range subeventlist.Events { |
| 85 | rtn, id := add_subscription(ip_address, event) |
| 86 | if rtn { |
| 87 | s.devicemap[ip_address].subscriptions[event] = id |
| 88 | fmt.Println("subscription added", event, id) |
| 89 | } |
| 90 | } |
| 91 | return &empty.Empty{}, nil |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | func (s *Server) UnSubsrcribeGivenEvents(c context.Context, unsubeventlist *importer.EventList) (*empty.Empty, error) { |
| 95 | fmt.Println("Received UnSubsrcribeEvents\n") |
| 96 | ip_address := unsubeventlist.EventIpAddress |
| 97 | //Call API to unsubscribe events |
| 98 | for _, event := range unsubeventlist.Events { |
| 99 | rtn := remove_subscription(ip_address, s.devicemap[ip_address].subscriptions[event] ) |
| 100 | if rtn { |
| 101 | delete(s.devicemap[ip_address].subscriptions, event) |
| 102 | fmt.Println("subscription removed", event) |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | return &empty.Empty{}, nil |
| 107 | } |
| 108 | |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 109 | func (s *Server) collect_data(ip_address string) { |
| 110 | freqchan := s.devicemap[ip_address].freqchan |
| 111 | ticker := s.devicemap[ip_address].datacollector.getdata |
| 112 | donechan := s.devicemap[ip_address].datacollector.quit |
| 113 | for { |
| 114 | select { |
| 115 | case freq := <- freqchan: |
| 116 | ticker.Stop() |
| 117 | ticker = *time.NewTicker(time.Duration(freq) * time.Second) |
| 118 | case <-ticker.C: |
| 119 | for _, service := range redfish_services { |
| 120 | rtn, data := get_status(ip_address, service) |
| 121 | if rtn { |
| 122 | for _, str := range data { |
| 123 | str = "Device IP: " + ip_address + " " + str |
| 124 | b := []byte(str) |
| 125 | s.dataproducer.Input() <- &sarama.ProducerMessage{Topic: importerTopic, Value: sarama.StringEncoder(b)} |
| 126 | } |
| 127 | } |
| 128 | } |
| 129 | case <-donechan: |
| 130 | ticker.Stop() |
| 131 | fmt.Println("getdata ticker stopped") |
| 132 | return |
| 133 | } |
| 134 | } |
| 135 | } |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 136 | |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 137 | func (s *Server) SendDeviceInfo(c context.Context, info *importer.DeviceInfo) (*empty.Empty, error) { |
| 138 | d := device { |
mc | 6a9f01a | 2019-06-26 21:31:23 +0000 | [diff] [blame] | 139 | subscriptions: make(map[string]uint), |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 140 | datacollector: scheduler{ |
| 141 | getdata: *time.NewTicker(time.Duration(info.Frequency) * time.Second), |
| 142 | quit: make(chan bool), |
| 143 | }, |
| 144 | freqchan: make(chan uint32), |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 145 | } |
| 146 | s.devicemap[info.IpAddress] = &d |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 147 | ip_address:= info.IpAddress |
| 148 | fmt.Println("Configuring %s ...", ip_address) |
| 149 | // call subscription function with info.IpAddress |
mc | 6a9f01a | 2019-06-26 21:31:23 +0000 | [diff] [blame] | 150 | http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true} |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 151 | for _, event := range default_events { |
| 152 | rtn, id := add_subscription(ip_address, event) |
| 153 | if rtn { |
| 154 | s.devicemap[ip_address].subscriptions[event] = id |
| 155 | fmt.Println("subscription added", event, id) |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 156 | } |
| 157 | } |
mc | e702840 | 2019-07-18 04:10:01 +0000 | [diff] [blame^] | 158 | go s.collect_data(ip_address) |
Dinesh Belwalkar | f57ee2e | 2019-07-11 17:46:00 +0000 | [diff] [blame] | 159 | return &empty.Empty{}, nil |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 160 | } |
mc | 6a9f01a | 2019-06-26 21:31:23 +0000 | [diff] [blame] | 161 | |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 162 | func NewGrpcServer(grpcport string) (l net.Listener, g *grpc.Server, e error) { |
| 163 | fmt.Println("Listening %s ...", grpcport) |
| 164 | g = grpc.NewServer() |
| 165 | l, e = net.Listen("tcp", grpcport) |
| 166 | return |
| 167 | } |
| 168 | func (s *Server) startgrpcserver()error { |
| 169 | fmt.Println("starting gRPC Server") |
| 170 | grpcport := ":50051" |
| 171 | listener, gserver, err := NewGrpcServer(grpcport) |
| 172 | if err != nil { |
| 173 | fmt.Println("Failed to create gRPC server: %v", err) |
| 174 | return err |
| 175 | } |
| 176 | s.gRPCserver = gserver |
| 177 | importer.RegisterDeviceManagementServer(gserver, s) |
| 178 | if err := gserver.Serve(listener); err != nil { |
| 179 | fmt.Println("Failed to run gRPC server: %v", err) |
| 180 | return err |
| 181 | } |
| 182 | return nil |
| 183 | |
| 184 | } |
| 185 | func (s *Server) kafkaInit() { |
| 186 | fmt.Println("Starting kafka init to Connect to broker: ") |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 187 | config := sarama.NewConfig() |
| 188 | config.Producer.RequiredAcks = sarama.WaitForAll |
| 189 | config.Producer.Retry.Max = 10 |
| 190 | config.Producer.Return.Successes = true |
| 191 | producer, err := sarama.NewAsyncProducer([]string{"cord-kafka.default.svc.cluster.local:9092"}, config) |
| 192 | if err != nil { |
| 193 | panic(err) |
| 194 | } |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 195 | s.dataproducer = producer |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 196 | defer func() { |
| 197 | if err := producer.Close(); err != nil { |
| 198 | panic(err) |
| 199 | } |
| 200 | }() |
| 201 | } |
| 202 | |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 203 | func (s *Server) handle_events(w http.ResponseWriter, r *http.Request) { |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 204 | signals := make(chan os.Signal, 1) |
| 205 | signal.Notify(signals, os.Interrupt) |
| 206 | |
| 207 | if(r.Method == "POST"){ |
| 208 | Body, err := ioutil.ReadAll(r.Body) |
| 209 | if err != nil { |
| 210 | fmt.Println("Error getting HTTP data",err) |
| 211 | } |
| 212 | defer r.Body.Close() |
| 213 | fmt.Printf("%s\n",Body) |
| 214 | message :=&sarama.ProducerMessage{ |
| 215 | Topic: importerTopic, |
| 216 | Value: sarama.StringEncoder(Body), |
| 217 | } |
| 218 | select { |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 219 | case s.dataproducer.Input() <- message: |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 220 | |
| 221 | case <-signals: |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 222 | s.dataproducer.AsyncClose() // Trigger a shutdown of the producer. |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 227 | func (s *Server) runServer() { |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 228 | fmt.Println("Starting HTTP Server") |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 229 | http.HandleFunc("/", s.handle_events) |
Dinesh Belwalkar | b6b2b30 | 2019-06-06 17:30:44 +0000 | [diff] [blame] | 230 | http.ListenAndServe(":8080", nil) |
| 231 | } |
| 232 | |
| 233 | func init() { |
| 234 | fmt.Println("Connecting to broker: ") |
| 235 | fmt.Println("Listening to http server") |
| 236 | } |
| 237 | |
| 238 | |
Dinesh Belwalkar | 0121796 | 2019-05-23 21:51:16 +0000 | [diff] [blame] | 239 | func main() { |
| 240 | fmt.Println("Starting Device-management Container") |
Dinesh Belwalkar | 4122960 | 2019-06-21 16:58:06 +0000 | [diff] [blame] | 241 | s := Server { |
| 242 | devicemap: make(map[string]*device), |
| 243 | devicechan: make(chan *importer.DeviceInfo), |
| 244 | } |
| 245 | go s.kafkaInit() |
| 246 | go s.runServer() |
| 247 | go s.startgrpcserver() |
Dinesh Belwalkar | 8af8d7d | 2019-05-29 21:00:50 +0000 | [diff] [blame] | 248 | quit := make(chan os.Signal) |
| 249 | signal.Notify(quit, os.Interrupt) |
| 250 | |
| 251 | select { |
| 252 | case sig := <-quit: |
| 253 | fmt.Println("Shutting down:", sig) |
| 254 | } |
Dinesh Belwalkar | 0121796 | 2019-05-23 21:51:16 +0000 | [diff] [blame] | 255 | } |