Files
gluetun/internal/updater/updater.go
Quentin McGaw 292813831d chore(updater): internal/updater/loop subpackage
- Do not export updater interface
- Export updater struct
- Define local interfaces where needed
- More restrictive updater loop interface in http control server
- Inject `Updater` into updater loop as an interface
2022-05-28 16:03:59 +00:00

75 lines
1.8 KiB
Go

// Package updater implements update mechanisms for each VPN provider servers.
package updater
import (
"context"
"net/http"
"time"
"github.com/qdm12/gluetun/internal/configuration/settings"
"github.com/qdm12/gluetun/internal/models"
"github.com/qdm12/gluetun/internal/updater/resolver"
"github.com/qdm12/gluetun/internal/updater/unzip"
"golang.org/x/text/cases"
"golang.org/x/text/language"
)
type Updater struct {
// configuration
options settings.Updater
// state
servers models.AllServers
// Functions for tests
logger Logger
timeNow func() time.Time
presolver resolver.Parallel
client *http.Client
unzipper unzip.Unzipper
}
type Logger interface {
Info(s string)
Warn(s string)
Error(s string)
}
func New(settings settings.Updater, httpClient *http.Client,
currentServers models.AllServers, logger Logger) *Updater {
unzipper := unzip.New(httpClient)
return &Updater{
logger: logger,
timeNow: time.Now,
presolver: resolver.NewParallelResolver(settings.DNSAddress.String()),
client: httpClient,
unzipper: unzipper,
options: settings,
servers: currentServers,
}
}
var caser = cases.Title(language.English) //nolint:gochecknoglobals
func (u *Updater) UpdateServers(ctx context.Context) (allServers models.AllServers, err error) {
for _, provider := range u.options.Providers {
u.logger.Info("updating " + caser.String(provider) + " servers...")
// TODO support servers offering only TCP or only UDP
// for NordVPN and PureVPN
warnings, err := u.updateProvider(ctx, provider)
if *u.options.CLI {
for _, warning := range warnings {
u.logger.Warn(provider + ": " + warning)
}
}
if err != nil {
if ctxErr := ctx.Err(); ctxErr != nil {
return allServers, ctxErr
}
u.logger.Error(err.Error())
}
}
return u.servers, nil
}