control-panel-dns/linuxstatus/hostname.go

87 lines
2.1 KiB
Go

// figures out if your hostname is valid
// then checks if your DNS is setup correctly
package linuxstatus
import (
"go.wit.com/log"
"go.wit.com/shell"
// will try to get this hosts FQDN
"github.com/Showmax/go-fqdn"
)
func (ls *LinuxStatus) GetDomainName() string {
if ! me.Ready() {return ""}
return me.domainname.Get()
}
func (ls *LinuxStatus) setDomainName(dn string) {
if ! me.Ready() {return}
me.domainname.Set(dn)
}
func getHostname() {
var err error
var s string = "gui.Label == nil"
s, err = fqdn.FqdnHostname()
if (err != nil) {
log.Error(err, "FQDN hostname error")
return
}
log.Warn("full hostname should be:", s)
dn := run("domainname")
if (me.domainname.Get() != dn) {
log.Log(CHANGE, "domainname has changed from", me.GetDomainName(), "to", dn)
me.setDomainName(dn)
me.changed = true
}
hshort := run("hostname -s")
if (me.hostshort.Get() != hshort) {
log.Log(CHANGE, "hostname -s has changed from", me.hostshort.Get(), "to", hshort)
me.hostshort.Set(hshort)
me.changed = true
}
/*
var test string
test = hshort + "." + dn
if (me.status.GetHostname() != test) {
log.Log(CHANGE, "me.hostname", me.status.GetHostname(), "does not equal", test)
if (me.hostnameStatus.S != "BROKEN") {
log.Log(CHANGE, "me.hostname", me.status.GetHostname(), "does not equal", test)
me.changed = true
me.hostnameStatus.SetText("BROKEN")
}
} else {
if (me.hostnameStatus.S != "VALID") {
log.Log(CHANGE, "me.hostname", me.status.GetHostname(), "is valid")
me.hostnameStatus.SetText("VALID")
me.changed = true
}
}
*/
}
// returns true if the hostname is good
// check that all the OS settings are correct here
// On Linux, /etc/hosts, /etc/hostname
// and domainname and hostname
func goodHostname() bool {
hostname := shell.Chomp(shell.Cat("/etc/hostname"))
log.Log(NOW, "hostname =", hostname)
hs := run("hostname -s")
dn := run("domainname")
log.Log(NOW, "hostname short =", hs, "domainname =", dn)
tmp := hs + "." + dn
if (hostname == tmp) {
log.Log(NOW, "hostname seems to be good", hostname)
return true
}
return false
}