Dinesh Belwalkar | e1e85ad | 2019-07-31 23:06:47 +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" |
| 19 | "os" |
| 20 | "os/signal" |
| 21 | "os/exec" |
| 22 | "github.com/Shopify/sarama" |
| 23 | "google.golang.org/grpc" |
| 24 | "golang.org/x/net/context" |
| 25 | importer "./proto" |
| 26 | log "github.com/Sirupsen/logrus" |
| 27 | "time" |
| 28 | "bytes" |
| 29 | "strings" |
| 30 | |
| 31 | ) |
| 32 | |
| 33 | const ( |
| 34 | address = "localhost:31085" |
| 35 | vendor = "edgecore" |
| 36 | // device_ip = "192.168.3.44:9888" |
| 37 | device_ip = "192.168.4.27:8888" |
| 38 | protocol = "https" |
| 39 | freq = 180 |
| 40 | ) |
| 41 | var importerTopic = "importer" |
| 42 | var DataConsumer sarama.Consumer |
| 43 | |
| 44 | func init() { |
| 45 | Formatter := new(log.TextFormatter) |
| 46 | Formatter.TimestampFormat = "02-01-2006 15:04:05" |
| 47 | Formatter.FullTimestamp = true |
| 48 | log.SetFormatter(Formatter) |
| 49 | } |
| 50 | |
| 51 | func topicListener(topic *string, master sarama.Consumer) { |
| 52 | log.Info("Starting topicListener for ", *topic) |
| 53 | consumer, err := master.ConsumePartition(*topic, 0, sarama.OffsetOldest) |
| 54 | if err != nil { |
| 55 | log.Error("topicListener panic, topic=[%s]: %s", *topic, err.Error()) |
| 56 | os.Exit(1) |
| 57 | } |
| 58 | signals := make(chan os.Signal, 1) |
| 59 | signal.Notify(signals, os.Interrupt) |
| 60 | doneCh := make(chan struct{}) |
| 61 | go func() { |
| 62 | for { |
| 63 | select { |
| 64 | case err := <-consumer.Errors(): |
| 65 | log.Error("Consumer error: %s", err.Err) |
| 66 | case msg := <-consumer.Messages(): |
| 67 | log.Info("Got message on topic=[%s]: %s", *topic, string(msg.Value)) |
| 68 | case <-signals: |
| 69 | log.Warn("Interrupt is detected") |
| 70 | doneCh <- struct{}{} |
| 71 | } |
| 72 | } |
| 73 | }() |
| 74 | <-doneCh |
| 75 | } |
| 76 | |
| 77 | func kafkainit() { |
| 78 | cmd := exec.Command("/bin/sh","kafka_ip.sh") |
| 79 | var kafkaIP string |
| 80 | var out bytes.Buffer |
| 81 | cmd.Stdout = &out |
| 82 | err := cmd.Run() |
| 83 | if err != nil { |
| 84 | log.Info(err) |
| 85 | os.Exit(1) |
| 86 | } |
| 87 | |
| 88 | kafkaIP = out.String() |
| 89 | kafkaIP = strings.TrimSuffix(kafkaIP, "\n") |
| 90 | kafkaIP = kafkaIP +":9092" |
| 91 | fmt.Println("IP address of kafka-cord-0:",kafkaIP) |
| 92 | config := sarama.NewConfig() |
| 93 | config.Consumer.Return.Errors = true |
| 94 | master, err := sarama.NewConsumer([]string{kafkaIP}, config) |
| 95 | if err != nil { |
| 96 | panic(err) |
| 97 | } |
| 98 | DataConsumer = master |
| 99 | |
| 100 | go topicListener(&importerTopic, master) |
| 101 | } |
| 102 | func main() { |
| 103 | log.Info("kafkaInit starting") |
| 104 | kafkainit() |
| 105 | // Set up a connection to the server. |
| 106 | fmt.Println("Starting connection") |
| 107 | conn, err := grpc.Dial(address, grpc.WithInsecure()) |
| 108 | if err != nil { |
| 109 | fmt.Println("could not connect") |
| 110 | log.Fatal("did not connect: %v", err) |
| 111 | } |
| 112 | defer conn.Close() |
| 113 | c := importer.NewDeviceManagementClient(conn) |
| 114 | |
| 115 | ctx, cancel := context.WithTimeout(context.Background(), time.Minute) |
| 116 | defer cancel() |
| 117 | deviceinfo := new(importer.DeviceInfo) |
| 118 | deviceinfo.IpAddress = device_ip |
| 119 | deviceinfo.Vendor = vendor |
| 120 | deviceinfo.Frequency = freq |
| 121 | deviceinfo.Protocol = protocol |
| 122 | _, err = c.SendDeviceInfo(ctx, deviceinfo) |
| 123 | if err != nil { |
| 124 | log.Fatal("could not SendDeviceInfo: %v", err) |
| 125 | } |
| 126 | quit := make(chan os.Signal) |
| 127 | signal.Notify(quit, os.Interrupt) |
| 128 | |
| 129 | select { |
| 130 | case sig := <-quit: |
| 131 | fmt.Println("Shutting down:", sig) |
| 132 | DataConsumer.Close() |
| 133 | panic(err) |
| 134 | } |
| 135 | |
| 136 | } |