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| /* | ||
| Copyright 2022 The KubeEdge Authors. | ||
| Licensed 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. | ||
| */ | ||
|
|
||
| package config | ||
|
|
||
| import ( | ||
| "errors" | ||
| "io/ioutil" | ||
| "os" | ||
| "strings" | ||
|
|
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| "github.com/spf13/pflag" | ||
| "gopkg.in/yaml.v2" | ||
| "k8s.io/klog/v2" | ||
|
|
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| "github.com/kubeedge/mappers-go/pkg/common" | ||
| ) | ||
|
|
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| // ErrConfigCert error of certification configuration. | ||
| var ErrConfigCert = errors.New("Both certification and private key must be provided") | ||
|
|
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| var defaultConfigFile = "./config.yaml" | ||
|
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| // Config is the common mapper configuration. | ||
| type Config struct { | ||
| Mqtt Mqtt `yaml:"mqtt,omitempty"` | ||
| HttpServer HTTPServer `yaml:"http_server"` | ||
| GrpcServer GRPCServer `yaml:"grpc_server"` | ||
| Common Common `yaml:"common"` | ||
| DevInit DevInit `yaml:"dev_init"` | ||
| } | ||
|
|
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| // Mqtt is the Mqtt configuration. | ||
| type Mqtt struct { | ||
| ServerAddress string `yaml:"server,omitempty"` | ||
| Username string `yaml:"username,omitempty"` | ||
| Password string `yaml:"password,omitempty"` | ||
| Cert string `yaml:"certification,omitempty"` | ||
| PrivateKey string `yaml:"privatekey,omitempty"` | ||
| } | ||
|
|
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| // MetaServer is the MetaServer configuration. | ||
| type MetaServer struct { | ||
| Addr string `yaml:"addr"` | ||
| Namespace string `json:"namespace"` | ||
| } | ||
|
|
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| type HTTPServer struct { | ||
| Host string `yaml:"host"` | ||
| } | ||
|
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| type GRPCServer struct { | ||
| SocketPath string `yaml:"socket_path"` | ||
| } | ||
|
|
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| type Common struct { | ||
| Name string `yaml:"name"` | ||
| Version string `yaml:"version"` | ||
| APIVersion string `yaml:"api_version"` | ||
| Protocol string `yaml:"protocol"` | ||
| Address string `yaml:"address"` | ||
| EdgeCoreSock string `yaml:"edgecore_sock"` | ||
| } | ||
|
|
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| type DevInit struct { | ||
| Mode string `yaml:"mode"` | ||
| Configmap string `yaml:"configmap"` | ||
| MetaServer MetaServer `yaml:"metaserver"` | ||
| } | ||
|
|
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| // Parse the configuration file. If failed, return error. | ||
| func (c *Config) Parse() error { | ||
| var level klog.Level | ||
| var loglevel string | ||
| var configFile string | ||
|
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| pflag.StringVar(&loglevel, "v", "1", "log level") | ||
| pflag.StringVar(&configFile, "config-file", defaultConfigFile, "Config file name") | ||
| pflag.StringVar(&c.DevInit.MetaServer.Addr, "metaserver-addr", "http://127.0.0.1:10550", "edgecore meta server addr") | ||
|
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| cf, err := ioutil.ReadFile(configFile) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if err = yaml.Unmarshal(cf, c); err != nil { | ||
| return err | ||
| } | ||
| if err = level.Set(loglevel); err != nil { | ||
| return err | ||
| } | ||
|
|
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| if err = c.parseFlags(); err != nil { | ||
| return err | ||
| } | ||
|
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| switch c.DevInit.Mode { | ||
| case common.DevInitModeConfigmap: | ||
| if readFile, err := ioutil.ReadFile(c.DevInit.Configmap); err != nil { | ||
| if !os.IsNotExist(err) { | ||
| return err | ||
| } | ||
| c.DevInit.Configmap = strings.TrimSpace(os.Getenv("DEVICE_PROFILE")) | ||
| } else { | ||
| c.DevInit.Configmap = string(readFile) | ||
| } | ||
| if strings.TrimSpace(c.DevInit.Configmap) == "" { | ||
| return errors.New("can not parse configmap") | ||
| } | ||
| case common.DevInitModeRegister: | ||
| case "": // if mode is nil, use meta server mode | ||
| c.DevInit.Mode = common.DevInitModeMetaServer | ||
| fallthrough | ||
| case common.DevInitModeMetaServer: | ||
| if c.DevInit.MetaServer.Namespace == "" { | ||
| c.DevInit.MetaServer.Namespace = "default" | ||
| } | ||
| default: | ||
| return errors.New("unsupported dev init mode " + c.DevInit.Mode) | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
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| // parseFlags parse flags. Certification and Private key must be provided at the same time. | ||
| func (c *Config) parseFlags() error { | ||
| pflag.StringVar(&c.Mqtt.ServerAddress, "mqtt-address", c.Mqtt.ServerAddress, "MQTT broker address") | ||
| pflag.StringVar(&c.Mqtt.Username, "mqtt-username", c.Mqtt.Username, "username") | ||
| pflag.StringVar(&c.Mqtt.Password, "mqtt-password", c.Mqtt.Password, "password") | ||
| pflag.StringVar(&c.Mqtt.Cert, "mqtt-certification", c.Mqtt.Cert, "certification file path") | ||
| pflag.StringVar(&c.Mqtt.PrivateKey, "mqtt-privatekey", c.Mqtt.PrivateKey, "private key file path") | ||
| pflag.Parse() | ||
| if (c.Mqtt.Cert != "" && c.Mqtt.PrivateKey == "") || | ||
| (c.Mqtt.Cert == "" && c.Mqtt.PrivateKey != "") { | ||
| return ErrConfigCert | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| mqtt: | ||
| server: tcp://127.0.0.1:1883 | ||
| # server: tcp://192.168.2.69:1883 | ||
| username: "" | ||
| password: "" | ||
| certification: "" | ||
| http_server: | ||
| host: 127.0.0.1:10555 | ||
| grpc_server: | ||
| socket_path: /tmp/a.sock | ||
| common: | ||
| name: mapper-test | ||
| version: v1.0.0 | ||
| api_version: v1.0.0 | ||
| protocol: modbus | ||
| address: 127.0.0.1 | ||
| edgecore_sock: /tmp/edgecore.sock | ||
| dev_init: | ||
| mode: register #register/metaserver/configmap | ||
| configmap: /opt/kubeedge/deviceProfile.json | ||
| metaserver: | ||
| addr: http://10.32.209.110:10550 | ||
| namespace: dec-public |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,18 @@ | ||
| package config | ||
|
|
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| import ( | ||
| "testing" | ||
|
|
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| func TestParse(t *testing.T) { | ||
| config := Config{} | ||
| if err := config.Parse(); err != nil { | ||
| t.Log(err) | ||
| t.FailNow() | ||
| } | ||
|
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| assert.Equal(t, "tcp://127.0.0.1:1883", config.Mqtt.ServerAddress) | ||
| assert.Equal(t, "/opt/kubeedge/deviceProfile.json", config.DevInit.Configmap) | ||
| } |
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