MINOR: provide initial local peer

Author: ivanmatmati

fs/usr/local/etc/haproxy/haproxy.cfg

@@ -8,6 +8,7 @@
 
 global
   daemon
+  localpeer local  
   master-worker
   pidfile /var/run/haproxy.pid
   stats socket /var/run/haproxy-runtime-api.sock level admin expose-fd listeners
@@ -23,7 +24,7 @@ defaults haproxytech
   timeout http-keep-alive 60000
 
 peers localinstance
-
+  peer local 127.0.0.1:10000
 
 frontend https
   mode http

pkg/controller/controller.go

@@ -83,6 +83,10 @@ func (c *HAProxyController) clientAPIClosure(fn func() error) (err error) {
 // Start initializes and runs HAProxyController
 func (c *HAProxyController) Start() {
 	logger.Panic(c.clientAPIClosure(func() error {
+		err := c.haproxy.PeerEntryDelete("localinstance", "local")
+		if err != nil {
+			return err
+		}
 		return c.haproxy.PeerEntryCreateOrEdit("localinstance",
 			models.PeerEntry{
 				Name:    c.Hostname,

pkg/haproxy/api/api.go

@@ -91,6 +91,7 @@ type HAProxyClient interface { //nolint:interfacebloat
 	TCPRequestRuleCreate(parentType, parentName string, rule models.TCPRequestRule) error
 	TCPRequestRulesGet(parentType, parentName string) (models.TCPRequestRules, error)
 	TCPRequestRuleDeleteAll(parentType, parentName string) (err error)
+	PeerEntryDelete(peerSection string, name string) error
 	PeerEntryEdit(peerSection string, peer models.PeerEntry) error
 	PeerEntryCreateOrEdit(peerSection string, peer models.PeerEntry) error
 	RefreshBackends() (deleted []string, err error)

pkg/haproxy/api/frontend.go

@@ -255,3 +255,11 @@ func (c *clientNative) PeerEntryCreateOrEdit(peerSection string, peerEntry model
 	}
 	return err
 }
+
+func (c *clientNative) PeerEntryDelete(peerSection, entry string) error {
+	cfg, err := c.nativeAPI.Configuration()
+	if err != nil {
+		return err
+	}
+	return cfg.DeletePeerEntry(entry, peerSection, c.activeTransaction, 0)
+}