58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package updater
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import (
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"context"
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"fmt"
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"sort"
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"github.com/qdm12/gluetun/internal/constants/vpn"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/provider/common"
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)
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func (u *Updater) FetchServers(ctx context.Context, minServers int) (
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servers []models.Server, err error) {
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servers, err = fetchServers(ctx, u.client, u.warner)
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if err != nil {
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return nil, fmt.Errorf("fetching servers: %w", err)
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} else if len(servers) < minServers {
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return nil, fmt.Errorf("%w: %d and expected at least %d",
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common.ErrNotEnoughServers, len(servers), minServers)
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}
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hts := make(hostToServer, len(servers))
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for _, server := range servers {
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hts[server.Hostname] = server
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}
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hosts := hts.toHostsSlice()
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resolveSettings := parallelResolverSettings(hosts)
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hostToIPs, warnings, err := u.parallelResolver.Resolve(ctx, resolveSettings)
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for _, warning := range warnings {
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u.warner.Warn(warning)
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}
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if err != nil {
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return nil, err
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}
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if len(hostToIPs) < minServers {
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return nil, fmt.Errorf("%w: %d and expected at least %d",
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common.ErrNotEnoughServers, len(servers), minServers)
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}
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hts.adaptWithIPs(hostToIPs)
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servers = hts.toServersSlice()
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for i := range servers {
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servers[i].VPN = vpn.OpenVPN
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servers[i].UDP = true
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servers[i].TCP = true
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}
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sort.Sort(models.SortableServers(servers))
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return servers, nil
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}
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