open-consul/consul/server_details/server_details.go

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package server_details
import (
"fmt"
"net"
"strconv"
"github.com/hashicorp/serf/serf"
)
// ServerDetails is used to return details of a consul server
type ServerDetails struct {
Name string
Datacenter string
Port int
Bootstrap bool
Expect int
Version int
Addr net.Addr
}
func (s *ServerDetails) String() string {
return fmt.Sprintf("%s (Addr: %s) (DC: %s)", s.Name, s.Addr, s.Datacenter)
}
// IsConsulServer returns true if a serf member is a consul server. Returns a
// bool and a pointer to the ServerDetails.
func IsConsulServer(m serf.Member) (bool, *ServerDetails) {
if m.Tags["role"] != "consul" {
return false, nil
}
datacenter := m.Tags["dc"]
_, bootstrap := m.Tags["bootstrap"]
expect := 0
expect_str, ok := m.Tags["expect"]
var err error
if ok {
expect, err = strconv.Atoi(expect_str)
if err != nil {
return false, nil
}
}
port_str := m.Tags["port"]
port, err := strconv.Atoi(port_str)
if err != nil {
return false, nil
}
vsn_str := m.Tags["vsn"]
vsn, err := strconv.Atoi(vsn_str)
if err != nil {
return false, nil
}
addr := &net.TCPAddr{IP: m.Addr, Port: port}
parts := &ServerDetails{
Name: m.Name,
Datacenter: datacenter,
Port: port,
Bootstrap: bootstrap,
Expect: expect,
Addr: addr,
Version: vsn,
}
return true, parts
}