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config.go
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config.go
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/*
Copyright 2021 zhangwei24@apache.org
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 (
"fmt"
"github.com/arugal/laborer/pkg/service/repository"
"github.com/arugal/laborer/pkg/simple/client/k8s"
"github.com/spf13/viper"
)
const (
// DefaultConfigurationName is the default name of configuration
defaultConfigurationName = "laborer"
// DefaultConfigurationPath the default location of the configuration file
defaultConfigurationPath = "/etc/laborer"
)
type Config struct {
KubernetesOptions *k8s.KubernetesOptions `json:"kubernetes,omitempty" yaml:"kubernetes,omitempty" mapstructure:"kubernetes"`
RepositoryServiceOptions *repository.RepositoryServiceOptions `json:"repository,omitempty" yaml:"repository,omitempty" mapstructure:"repository"`
}
func New() *Config {
return &Config{
KubernetesOptions: k8s.NewKubernetesOptions(),
RepositoryServiceOptions: repository.NewRepositoryServiceOptions(),
}
}
func TryLoadFromDisk() (*Config, error) {
viper.SetConfigName(defaultConfigurationName)
viper.AddConfigPath(defaultConfigurationPath)
// Load from current working directory, only used for debugging
viper.AddConfigPath(".")
if err := viper.ReadInConfig(); err != nil {
if _, ok := err.(viper.ConfigFileNotFoundError); ok {
return nil, err
} else {
return nil, fmt.Errorf("error parsing configuration file %s", err)
}
}
conf := New()
if err := viper.Unmarshal(conf); err != nil {
return nil, err
}
return conf, nil
}