77 lines
2.6 KiB
Go
77 lines
2.6 KiB
Go
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//
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// Copyright (c) 2023 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package config
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import (
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"errors"
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)
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// This file contains example of custom configuration that can be loaded from the service's configuration.yaml
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// and/or the Configuration Provider, aka Consul (if enabled).
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// For more details see https://docs.edgexfoundry.org/2.0/microservices/device/Ch-DeviceServices/#custom-configuration
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// Example structured custom configuration types. Must be wrapped with an outer struct with
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// single element that matches the top level custom configuration element in your configuration.yaml file,
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// 'SimpleCustom' in this example.
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type ServiceConfig struct {
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SimpleCustom SimpleCustomConfig
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}
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// SimpleCustomConfig is example of service's custom structured configuration that is specified in the service's
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// configuration.yaml file and Configuration Provider (aka Consul), if enabled.
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type SimpleCustomConfig struct {
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OffImageLocation string
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OnImageLocation string
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Writable SimpleWritable
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}
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// SimpleWritable defines the service's custom configuration writable section, i.e. can be updated from Consul
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type SimpleWritable struct {
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DiscoverSleepDurationSecs int64
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}
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// UpdateFromRaw updates the service's full configuration from raw data received from
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// the Service Provider.
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func (sw *ServiceConfig) UpdateFromRaw(rawConfig interface{}) bool {
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configuration, ok := rawConfig.(*ServiceConfig)
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if !ok {
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return false //errors.New("unable to cast raw config to type 'ServiceConfig'")
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}
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*sw = *configuration
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return true
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}
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// Validate ensures your custom configuration has proper values.
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// Example of validating the sample custom configuration
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func (scc *SimpleCustomConfig) Validate() error {
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if len(scc.OnImageLocation) == 0 {
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return errors.New("SimpleCustom.OnImageLocation configuration setting can not be blank")
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}
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if len(scc.OffImageLocation) == 0 {
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return errors.New("SimpleCustom.OffImageLocation configuration setting can not be blank")
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}
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if scc.Writable.DiscoverSleepDurationSecs <= 0 {
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return errors.New("SimpleCustom.Writable.DiscoverSleepDurationSecs configuration setting must be greater than 0")
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}
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return nil
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}
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