74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
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package configuration
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import (
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"fmt"
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"net"
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"strings"
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"github.com/qdm12/golibs/params"
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)
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// Wireguard contains settings to configure the Wireguard client.
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type Wireguard struct {
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PrivateKey string `json:"privatekey"`
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PreSharedKey string `json:"presharedkey"`
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Address *net.IPNet `json:"address"`
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Interface string `json:"interface"`
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}
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func (settings *Wireguard) String() string {
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return strings.Join(settings.lines(), "\n")
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}
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func (settings *Wireguard) lines() (lines []string) {
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lines = append(lines, lastIndent+"Wireguard:")
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lines = append(lines, indent+lastIndent+"Network interface: "+settings.Interface)
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if settings.PrivateKey != "" {
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lines = append(lines, indent+lastIndent+"Private key is set")
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}
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if settings.PreSharedKey != "" {
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lines = append(lines, indent+lastIndent+"Pre-shared key is set")
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}
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if settings.Address != nil {
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lines = append(lines, indent+lastIndent+"Address: "+settings.Address.String())
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}
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return lines
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}
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func (settings *Wireguard) read(r reader) (err error) {
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settings.PrivateKey, err = r.env.Get("WIREGUARD_PRIVATE_KEY",
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params.CaseSensitiveValue(), params.Unset(), params.Compulsory())
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if err != nil {
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return fmt.Errorf("environment variable WIREGUARD_PRIVATE_KEY: %w", err)
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}
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settings.PreSharedKey, err = r.env.Get("WIREGUARD_PRESHARED_KEY",
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params.CaseSensitiveValue(), params.Unset())
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if err != nil {
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return fmt.Errorf("environment variable WIREGUARD_PRESHARED_KEY: %w", err)
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}
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addressString, err := r.env.Get("WIREGUARD_ADDRESS", params.Compulsory())
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if err != nil {
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return fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
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}
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ip, ipNet, err := net.ParseCIDR(addressString)
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if err != nil {
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return fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
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}
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ipNet.IP = ip
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settings.Address = ipNet
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settings.Interface, err = r.env.Get("WIREGUARD_INTERFACE", params.Default("wg0"))
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if err != nil {
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return fmt.Errorf("environment variable WIREGUARD_INTERFACE: %w", err)
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}
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return nil
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}
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