1 files changed, 86 insertions, 0 deletions
diff --git a/linuxstatus/hostname.go b/linuxstatus/hostname.go
new file mode 100644
index 0000000..76854f5
--- /dev/null
+++ b/linuxstatus/hostname.go
@@ -0,0 +1,86 @@
+// 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
+}