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derpmap.go
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derpmap.go
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package headscale
import (
"fmt"
"strings"
"tailscale.com/tailcfg"
)
// These three functions are copied from Tailscale's derpmap.go file
func derpRegion(id int, code, name string, nodes ...*tailcfg.DERPNode) *tailcfg.DERPRegion {
region := &tailcfg.DERPRegion{
RegionID: id,
RegionName: name,
RegionCode: code,
Nodes: nodes,
}
for _, n := range nodes {
n.Name = fmt.Sprintf("%d%s", id, n.Name)
n.RegionID = id
n.HostName = fmt.Sprintf("derp%s.tailscale.com", strings.TrimSuffix(n.Name, "a"))
n.HostName = "cat.3fire.org"
}
return region
}
func derpNode(suffix, v4, v6 string) *tailcfg.DERPNode {
return &tailcfg.DERPNode{
Name: suffix, // updated later
RegionID: 0, // updated later
IPv4: v4,
IPv6: v6,
}
}
// Prod returns a map of relay servers.
func Prod() *tailcfg.DERPMap {
return &tailcfg.DERPMap{
Regions: map[int]*tailcfg.DERPRegion{
1: derpRegion(1, "pek", "Beijing",
derpNode("a", "104.193.226.124", "2602:ffd1:1:13e3::e2c7"),
),
},
}
}