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Feat: support csv addresses in WIREGUARD_ADDRESS

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This commit is contained in:
Quentin McGaw (desktop)
2021-08-28 18:43:23 +00:00
parent da525e039d
commit c6fedd9214
2 changed files with 37 additions and 20 deletions
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43
internal/configuration/wireguard.go
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@@ -10,10 +10,10 @@ import (
// Wireguard contains settings to configure the Wireguard client.
type Wireguard struct {
PrivateKey string `json:"privatekey"`
PreSharedKey string `json:"presharedkey"`
Address *net.IPNet `json:"address"`
Interface string `json:"interface"`
PrivateKey string `json:"privatekey"`
PreSharedKey string `json:"presharedkey"`
Addresses []*net.IPNet `json:"addresses"`
Interface string `json:"interface"`
}
func (settings *Wireguard) String() string {
@@ -33,8 +33,11 @@ func (settings *Wireguard) lines() (lines []string) {
lines = append(lines, indent+lastIndent+"Pre-shared key is set")
}
if settings.Address != nil {
lines = append(lines, indent+lastIndent+"Address: "+settings.Address.String())
if len(settings.Addresses) > 0 {
lines = append(lines, indent+lastIndent+"Addresses: ")
for _, address := range settings.Addresses {
lines = append(lines, indent+indent+lastIndent+address.String())
}
}
return lines
@@ -53,16 +56,10 @@ func (settings *Wireguard) read(r reader) (err error) {
return fmt.Errorf("environment variable WIREGUARD_PRESHARED_KEY: %w", err)
}
addressString, err := r.env.Get("WIREGUARD_ADDRESS", params.Compulsory())
err = settings.readAddresses(r.env)
if err != nil {
return fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
return err
}
ip, ipNet, err := net.ParseCIDR(addressString)
if err != nil {
return fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
}
ipNet.IP = ip
settings.Address = ipNet
settings.Interface, err = r.env.Get("WIREGUARD_INTERFACE", params.Default("wg0"))
if err != nil {
@@ -71,3 +68,21 @@ func (settings *Wireguard) read(r reader) (err error) {
return nil
}
func (settings *Wireguard) readAddresses(env params.Interface) (err error) {
addressStrings, err := env.CSV("WIREGUARD_ADDRESS", params.Compulsory())
if err != nil {
return fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
}
for _, addressString := range addressStrings {
ip, ipNet, err := net.ParseCIDR(addressString)
if err != nil {
return fmt.Errorf("environment variable WIREGUARD_ADDRESS: address %s: %w", addressString, err)
}
ipNet.IP = ip
settings.Addresses = append(settings.Addresses, ipNet)
}
return nil
}