54 lines
1.1 KiB
Go
54 lines
1.1 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 = hardcodedServers()
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hosts := make([]string, len(servers))
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for i := range servers {
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hosts[i] = servers[i].Hostname
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}
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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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i := 0
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for _, server := range servers {
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hostname := server.Hostname
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server.IPs = hostToIPs[hostname]
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if len(server.IPs) == 0 {
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continue
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}
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server.VPN = vpn.OpenVPN
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server.UDP = true // no TCP support
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servers[i] = server
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i++
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}
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servers = servers[:i]
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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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sort.Sort(models.SortableServers(servers))
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return servers, nil
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}
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