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David K. Bainbridge157bdab2020-01-16 14:38:05 -08001/*
2 Copyright 2019 the original author or authors.
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15*/
16package main
17
18import (
19 "flag"
divyadesai81bb7ba2020-03-11 11:45:23 +000020 "os"
David K. Bainbridge157bdab2020-01-16 14:38:05 -080021 "time"
22)
23
24type Config struct {
25 OFControllerEndPoint string
26 VolthaApiEndPoint string
27 LogLevel string
28 Banner bool
29 Version bool
30 ProbeEndPoint string
31 CpuProfile string
32 MemProfile string
33 DeviceListRefreshInterval time.Duration
34 ConnectionRetryDelay time.Duration
35 ConnectionMaxRetries int
divyadesai81bb7ba2020-03-11 11:45:23 +000036 KVStoreType string
37 KVStoreTimeout int // in seconds
38 KVStoreHost string
39 KVStorePort int
40 InstanceID string
David K. Bainbridge157bdab2020-01-16 14:38:05 -080041}
42
43func parseCommandLineArguments() (*Config, error) {
44 config := Config{}
45
46 flag.BoolVar(&(config.Banner),
47 "banner",
48 true,
49 "display application banner on startup")
50 flag.BoolVar(&(config.Version),
51 "version",
52 false,
53 "display application version and exit")
54 flag.StringVar(&(config.OFControllerEndPoint),
55 "controller",
56 "onos-openflow:6653",
57 "connection to the OF controller specified as host:port")
58 flag.StringVar(&(config.OFControllerEndPoint),
59 "O",
60 "onos-openflow:6653",
61 "(short) connection to the OF controller specified as host:port")
62 flag.StringVar(&(config.VolthaApiEndPoint),
63 "voltha",
64 "voltha-api-server:50060",
65 "connection to the VOLTHA API server specified as host:port")
66 flag.StringVar(&(config.VolthaApiEndPoint),
67 "A",
68 "voltha-api-server:50060",
69 "(short) connection to the VOLTHA API server specified as host:port")
70 flag.StringVar(&(config.ProbeEndPoint),
71 "probe",
72 ":8080",
73 "address and port on which to listen for k8s live and ready probe requests")
74 flag.StringVar(&(config.ProbeEndPoint),
75 "P",
76 ":8080",
77 "(short) address and port on which to listen for k8s live and ready probe requests")
David K. Bainbridge157bdab2020-01-16 14:38:05 -080078 flag.StringVar(&(config.CpuProfile),
79 "cpuprofile",
80 "",
81 "write cpu profile to 'file' if specified")
82 flag.StringVar(&(config.MemProfile),
83 "memprofile",
84 "",
85 "write memory profile to 'file' if specified")
86 flag.DurationVar(&(config.ConnectionRetryDelay),
87 "cd",
88 3*time.Second,
89 "(short) delay to wait before connection establishment retries")
90 flag.DurationVar(&(config.ConnectionRetryDelay),
91 "connnection-delay",
92 3*time.Second,
93 "delay to wait before connection establishment retries")
94 flag.IntVar(&(config.ConnectionMaxRetries),
95 "mr",
96 0,
97 "(short) number of retries when attempting to estblish a connection, 0 is unlimted")
98 flag.IntVar(&(config.ConnectionMaxRetries),
99 "connnection-retries",
100 0,
101 "number of retries when attempting to estblish a connection, 0 is unlimted")
102 flag.DurationVar(&(config.DeviceListRefreshInterval),
103 "dri",
104 1*time.Minute,
105 "(short) interval between attempts to synchronize devices from voltha to ofagent")
106 flag.DurationVar(&(config.DeviceListRefreshInterval),
107 "device-refresh-interval",
108 1*time.Minute,
109 "interval between attempts to synchronize devices from voltha to ofagent")
divyadesai81bb7ba2020-03-11 11:45:23 +0000110 flag.StringVar(&(config.KVStoreType), "kv_store_type", "etcd", "KV store type")
111
112 flag.IntVar(&(config.KVStoreTimeout), "kv_store_request_timeout", 5, "The default timeout when making a kv store request")
113
114 flag.StringVar(&(config.KVStoreHost), "kv_store_host", "voltha-etcd-cluster-client.voltha.svc.cluster.local", "KV store host")
115
116 flag.IntVar(&(config.KVStorePort), "kv_store_port", 2379, "KV store port")
117
David Bainbridgedf400492020-03-17 15:06:59 -0700118 flag.StringVar(&(config.LogLevel), "log_level", "WARN", "Log level")
divyadesai81bb7ba2020-03-11 11:45:23 +0000119
120 containerName := getContainerInfo()
121 if len(containerName) > 0 {
122 config.InstanceID = containerName
123 } else {
124 config.InstanceID = "openFlowAgent001"
125 }
David K. Bainbridge157bdab2020-01-16 14:38:05 -0800126
127 return &config, nil
128}
divyadesai81bb7ba2020-03-11 11:45:23 +0000129
130func getContainerInfo() string {
131 return os.Getenv("HOSTNAME")
132}