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fix: support IPv6 in replica address discovery #380

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fix: support IPv6 in replica address discovery #380

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12 changes: 12 additions & 0 deletions app/replica.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ package app

import (
"errors"
"fmt"
"net"
"net/http"
"os"
Expand Down Expand Up @@ -293,6 +294,7 @@ func startReplica(c *cli.Context) error {
host, _ := os.Hostname()
addrs, _ := net.LookupIP(host)
for _, addr := range addrs {
// first try: handle addr as v4 address
if ipv4 := addr.To4(); ipv4 != nil {
address = ipv4.String()
if address == "127.0.0.1" {
Expand All @@ -301,7 +303,17 @@ func startReplica(c *cli.Context) error {
}
address = address + ":9502"
break
} else if ipv6 := addr.To16(); ipv6 != nil {
// second try: handle addr as v6 address only if we know it is not v4
address = ipv6.String()
if address == "::1" {
address = fmt.Sprintf("[%s]:9502", address)
continue
}
address = fmt.Sprintf("[%s]:9502", address)
break
}

}
}
controlAddress, dataAddress, syncAddress, err := util.ParseAddresses(address)
Expand Down