WIP

shared/go.mod

@@ -0,0 +1,7 @@
+    module github.com/up9inc/mizu/shared
+
+    go 1.16
+
+    require (
+    	github.com/gorilla/websocket v1.4.2
+    )

shared/models.go

@@ -0,0 +1,22 @@
+package shared
+
+type ControlSocketMessageType string
+
+const (
+	TAPPING_STATUS_MESSAGE_TYPE ControlSocketMessageType = "tappingStatus"
+)
+
+type ControlSocketMessage struct {
+	MessageType ControlSocketMessageType `json:"messageType"`
+	Data        interface{} `json:"data"`
+}
+
+type TapStatus struct {
+	Namespace string `json:"namespace"`
+	Pods      []PodInfo `json:"pods"`
+}
+
+type PodInfo struct {
+	Name string `json:"name"`
+}
+

shared/socket_client.go

@@ -0,0 +1,33 @@
+package shared
+
+import (
+	"github.com/gorilla/websocket"
+	"time"
+)
+
+func ConnectToSocketServer(address string) (*websocket.Conn, error) {
+	const maxTry = 5
+	const sleepTime = time.Second * 2
+	var err error
+	var connection *websocket.Conn
+	try := 0
+
+	// Connection to server fails if client pod is up before server.
+	// Retries solve this issue.
+	for try < maxTry {
+		connection, _, err = websocket.DefaultDialer.Dial(address, nil)
+		if err != nil {
+			try++
+			// fmt.Printf("Failed connecting to websocket server: %s, (%v,%+v)\n", err, err, err)
+		} else {
+			break
+		}
+		time.Sleep(sleepTime)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return connection, nil
+}