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config.go
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config.go
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/*******************************************************************************
* Copyright 2018 Dell Inc.
*
* 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 (
bootstrapConfig "github.com/edgexfoundry/go-mod-bootstrap/config"
)
type ConfigurationStruct struct {
Writable WritableInfo
Databases map[string]bootstrapConfig.Database
Logging bootstrapConfig.LoggingInfo
Registry bootstrapConfig.RegistryInfo
Service bootstrapConfig.ServiceInfo
SecretStore bootstrapConfig.SecretStoreInfo
}
type WritableInfo struct {
Persistence string
LogLevel string
}
// UpdateFromRaw converts configuration received from the registry to a service-specific configuration struct which is
// then used to overwrite the service's existing configuration struct.
func (c *ConfigurationStruct) UpdateFromRaw(rawConfig interface{}) bool {
configuration, ok := rawConfig.(*ConfigurationStruct)
if ok {
// Check that information was successfully read from Registry
if configuration.Service.Port == 0 {
return false
}
*c = *configuration
}
return ok
}
// EmptyWritablePtr returns a pointer to a service-specific empty WritableInfo struct. It is used by the bootstrap to
// provide the appropriate structure to registry.Client's WatchForChanges().
func (c *ConfigurationStruct) EmptyWritablePtr() interface{} {
return &WritableInfo{}
}
// UpdateWritableFromRaw converts configuration received from the registry to a service-specific WritableInfo struct
// which is then used to overwrite the service's existing configuration's WritableInfo struct.
func (c *ConfigurationStruct) UpdateWritableFromRaw(rawWritable interface{}) bool {
writable, ok := rawWritable.(*WritableInfo)
if ok {
c.Writable = *writable
}
return ok
}
// GetBootstrap returns the configuration elements required by the bootstrap. Currently, a copy of the configuration
// data is returned. This is intended to be temporary -- since ConfigurationStruct drives the configuration.toml's
// structure -- until we can make backwards-breaking configuration.toml changes (which would consolidate these fields
// into an bootstrapConfig.BootstrapConfiguration struct contained within ConfigurationStruct).
func (c *ConfigurationStruct) GetBootstrap() bootstrapConfig.BootstrapConfiguration {
// temporary until we can make backwards-breaking configuration.toml change
return bootstrapConfig.BootstrapConfiguration{
Clients: map[string]bootstrapConfig.ClientInfo{},
Service: c.Service,
Registry: c.Registry,
Logging: c.Logging,
SecretStore: c.SecretStore,
}
}
// GetLogLevel returns the current ConfigurationStruct's log level.
func (c *ConfigurationStruct) GetLogLevel() string {
return c.Writable.LogLevel
}
// GetRegistryInfo returns the RegistryInfo from the ConfigurationStruct.
func (c *ConfigurationStruct) GetRegistryInfo() bootstrapConfig.RegistryInfo {
return c.Registry
}
// GetDatabaseInfo returns a database information map.
func (c *ConfigurationStruct) GetDatabaseInfo() map[string]bootstrapConfig.Database {
return c.Databases
}