dns update worked for hpdevone.lab.wit.org

🐛 Fix restricting address family when watching for changes

.github/workflow-scripts/check-gofmt.sh

@@ -6,6 +6,10 @@ fmt_list="$(gofmt -l "$@")"
 
 if [ -n "$fmt_list" ]; then
   echo "Check gofmt failed: " >&2
-  echo "${fmt_list}" | sed -e 's/^/\t/' >&2
+
+  for file in "$fmt_list"; do
+    echo "::error file=${file},title=gofmt::gofmt check failed"
+    echo "\t$file" >&2
+  done
   exit 1
 fi

Makefile

@@ -0,0 +1,14 @@
+all:
+	./go-nsupdate \
+		--tsig-algorithm=hmac-sha512 \
+		--tsig-secret="uf7tVM0ePWiSl0HtLNJVP7/DH/WuNkugxS19uXfN+k9V+avixXg/fmIS31FjR/kscvgMmkS+sspB83WjYXGU+w==" \
+	       	-i wlo1 hpdevone.lab.wit.org
+
+check:
+	./go-nsupdate \
+		--tsig-algorithm=hmac-sha512 \
+		--tsig-secret="uf7tVM0ePWiSl0HtLNJVP7/DH/WuNkugxS19uXfN+k9V+avixXg/fmIS31FjR/kscvgMmkS+sspB83WjYXGU+w==" \
+	       	-i wlo1 check.lab.wit.com
+
+make-keys:
+	sudo tsig-keygen -a hmac-sha512 hpdevone.lab.wit.org

addr.go

@@ -7,12 +7,14 @@ import (
 	"net"
 
 	"github.com/vishvananda/netlink"
+	"github.com/vishvananda/netlink/nl"
 )
 
 type AddrSet struct {
 	linkAttrs netlink.LinkAttrs
 	linkChan  chan netlink.LinkUpdate
 	addrChan  chan netlink.AddrUpdate
+	family    Family
 
 	addrs map[string]net.IP
 }
@@ -37,6 +39,7 @@ func InterfaceAddrs(iface string, family Family) (*AddrSet, error) {
 		return nil, fmt.Errorf("netlink.LinkByName %v: %v", iface, err)
 	} else {
 		addrs.linkAttrs = *link.Attrs()
+		addrs.family = family
 	}
 
 	// list
@@ -91,6 +94,11 @@ func (addrs *AddrSet) Read() error {
 				continue
 			}
 
+			addrUpdateFamily := Family(nl.GetIPFamily(addrUpdate.LinkAddress.IP))
+			if addrs.family != netlink.FAMILY_ALL && addrUpdateFamily != addrs.family {
+				continue
+			}
+
 			// XXX: scope and other filters?
 			addrs.updateAddr(netlink.Addr{
 				IPNet: &addrUpdate.LinkAddress,