/
config.go
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/
config.go
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// Copyright © 2023 Cisco Systems, Inc. and its affiliates.
// All rights reserved.
//
// 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 docker
import (
"fmt"
"github.com/spf13/viper"
)
const (
DefaultEnvPrefix = "VMCLARITY_DOCKER"
DefaultHelperImage = "alpine:3.18.2"
DefaultNetworkName = "vmclarity"
)
type Config struct {
// HelperImage defines helper container image that performs init tasks.
HelperImage string `mapstructure:"helper_image"`
// NetworkName defines the user defined bridge network where we attach the scanner container.
NetworkName string `mapstructure:"network_name"`
}
func NewConfig() (*Config, error) {
// Avoid modifying the global instance
v := viper.New()
v.SetEnvPrefix(DefaultEnvPrefix)
v.AllowEmptyEnv(true)
v.AutomaticEnv()
_ = v.BindEnv("helper_image")
v.SetDefault("helper_image", DefaultHelperImage)
_ = v.BindEnv("network_name")
v.SetDefault("network_name", DefaultNetworkName)
config := &Config{}
if err := v.Unmarshal(config); err != nil {
return nil, fmt.Errorf("failed to parse provider configuration. Provider=Docker: %w", err)
}
return config, nil
}