K8SPS-162: enable X protocol for HAProxy (#376)

* K8SPS-162: enable X protocol for HAProxy

https://jira.percona.com/browse/K8SPS-162

* rename `mysql-x` to `mysqlx`

Author: pooknull

e2e-tests/tests/async-ignore-annotations/01-assert.yaml

@@ -93,6 +93,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: async-ignore-annotations

e2e-tests/tests/async-ignore-annotations/02-assert.yaml

@@ -89,6 +89,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: async-ignore-annotations

e2e-tests/tests/async-ignore-annotations/04-assert.yaml

@@ -95,6 +95,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: async-ignore-annotations

e2e-tests/tests/async-ignore-annotations/05-assert.yaml

@@ -90,6 +90,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: async-ignore-annotations

e2e-tests/tests/async-ignore-annotations/06-assert.yaml

@@ -90,6 +90,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: async-ignore-annotations

e2e-tests/tests/async-ignore-annotations/07-assert.yaml

@@ -86,6 +86,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: async-ignore-annotations

e2e-tests/tests/haproxy/01-assert.yaml

@@ -93,6 +93,10 @@ spec:
     port: 3309
     protocol: TCP
     targetPort: 3309
+  - name: mysqlx
+    port: 33060
+    protocol: TCP
+    targetPort: 33060
   selector:
     app.kubernetes.io/component: haproxy
     app.kubernetes.io/instance: haproxy

pkg/haproxy/haproxy.go

@@ -23,10 +23,11 @@ const (
 )
 
 const (
-	PortMySQL         = 3306
-	PortMySQLReplicas = 3307
-	PortProxyProtocol = 3309
-	PortPMMStats      = 8404
+	PortMySQL          = 3306
+	PortMySQLReplicas  = 3307
+	PortProxyProtocol  = 3309
+	PortMySQLXProtocol = 33060
+	PortPMMStats       = 8404
 )
 
 func Name(cr *apiv1alpha1.PerconaServerMySQL) string {
@@ -76,6 +77,10 @@ func Service(cr *apiv1alpha1.PerconaServerMySQL, secret *corev1.Secret) *corev1.
 			Name: "proxy-protocol",
 			Port: int32(PortProxyProtocol),
 		},
+		{
+			Name: "mysqlx",
+			Port: int32(PortMySQLXProtocol),
+		},
 	}
 
 	if cr.PMMEnabled(secret) {
@@ -229,6 +234,10 @@ func haproxyContainer(cr *apiv1alpha1.PerconaServerMySQL) corev1.Container {
 				Name:          "proxy-protocol",
 				ContainerPort: int32(PortProxyProtocol),
 			},
+			{
+				Name:          "mysqlx",
+				ContainerPort: int32(PortMySQLXProtocol),
+			},
 		},
 		VolumeMounts: []corev1.VolumeMount{
 			{