added code for web tail

html5/index.html

@@ -232,7 +232,7 @@ experiments:
       </div>
       <div class="row" style="margin-top: 1%;">
         <div class="col text-center">
-          <button type="button" id="logConsoleButton" class="btn btn-light" onclick="startLogConsole()">Enable Logs Tail</button>
+          <button type="button" id="logConsoleButton" class="btn btn-light" onclick="startLogConsole()">Start Logs Tail</button>
         </div>
       </div>
       <div class="row" style="margin-top: 1%;">
@@ -294,6 +294,14 @@ experiments:
         programming_mode_buttons.style.display = "none"; 
         game_screen.style.display = "none";
         game_buttons.style.display = "none";
+
+        if (log_tail_switch) {
+          $("#logConsoleButton").text("Start Logs Tail");
+          log_tail_switch = false;
+        } else {
+          $("#logConsoleButton").text("Stop Logs Tail");
+          log_tail_switch = true;
+        }
       }
       
       function startGameMode() {

html5/kubeinvaders.js

@@ -28,7 +28,7 @@ var game_buttons = document.getElementById("game-buttons");
 var game_screen = document.getElementById("game-screen");
 var chaos_program_screen = document.getElementById("chaos-program-screen");
 var programming_mode_buttons = document.getElementById("programming-mode-buttons");
-
+var log_tail_switch = false;
 // nodes list from kubernetes
 var nodes = [];
 
@@ -195,9 +195,37 @@ function getCurrentChaosContainer() {
     oReq.send();
 }
 
+function setLogRegex() {
+    if (log_tail_switch) { 
+        var oReq = new XMLHttpRequest();
+        oReq.open("GET", "https://" + clu_endpoint + "/kube/chaos/containers?action=disabled_logs_tail", true);
+
+        oReq.onreadystatechange = function () {
+            if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
+                console.log("logs tails disabled");
+            }
+        };;
+
+        oReq.send()
+
+    } else {
+        var oReq = new XMLHttpRequest();
+        oReq.open("POST", "https://" + clu_endpoint + "/kube/chaos/containers?action=enabled_logs_tail", true);
+
+        oReq.onreadystatechange = function () {
+            if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
+                console.log("logs tails enabled");
+            }
+        };;
+
+        oReq.setRequestHeader("Content-Type", "application/json");
+        oReq.send($('#logConsoleRegex').val())
+    }
+}
+
 function setLogRegex() {
     var oReq = new XMLHttpRequest();
-    oReq.open("POST", "https://" + clu_endpoint + "/kube/chaos/containers?action=set_log_pod_regex", true);
+    oReq.open("POST", "https://" + clu_endpoint + "/kube/chaos/containers?action=enabled_logs_tail", true);
 
     oReq.onreadystatechange = function () {
         if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
@@ -209,6 +237,7 @@ function setLogRegex() {
     oReq.send($('#logConsoleRegex').val())
 }
 
+
 function setChaosContainer() {
     if (!IsJsonString($('#currentChaosContainerJsonTextArea').val())) {
         $('#alert_placeholder2').text('JSON syntax not valid.');

scripts/chaos-containers.lua

@@ -33,9 +33,14 @@ elseif ngx.var.request_method == "POST" and action == 'set' then
   red:set("chaos_container", body_data)
   ngx.say("New chaos container definition has been configured in Redis")
   return ngx.exit(ngx.status)
-elseif  ngx.var.request_method == "POST" and action == "set_log_pod_regex" then
+elseif  ngx.var.request_method == "POST" and action == "enabled_logs_tail" then
   local body_data = ngx.req.get_body_data()  
   red:set("log_pod_regex", body_data)
+  red:set("logs_enabled", "1")
+  ngx.say("New container definition has been saved in Redis")
+  return ngx.exit(ngx.status)
+elseif  ngx.var.request_method == "POST" and action == "disabled_logs_tail" then
+  red:set("logs_enabled", "0")
   ngx.say("New container definition has been saved in Redis")
   return ngx.exit(ngx.status)
 end

scripts/logs_loop/start.py

@@ -49,18 +49,19 @@ namespace = "kubeinvaders"
 while True:
     webtail_pods = []
     final_pod_list = []
-    if r.exists("log_pod_regex"):
-        logging.info("Found regex log_pod_regex in Redis. Logs from all pods should be collected")
-        log_pod_regex = r.get("log_pod_regex")
-        try:
-            api_response = api_instance.list_pod_for_all_namespaces()
-        except ApiException as e:
-            logging.info(e)
-        logging.info(f"Going to search pod compliant with the regex on {len(api_response.items)} pods")
-        for pod in api_response.items:
-            if re.search(f"{log_pod_regex}", pod.metadata.name):
-                webtail_pods.append(pod)
-                logging.info(f"Taking log of {pod.metadata.name} because it is compliant with the regex {log_pod_regex}")
+    if r.exists("log_pod_regex") and r.exists('logs_enabled')
+        if r.get("logs_enabled") == 1:
+            logging.info("Found regex log_pod_regex in Redis. Logs from all pods should be collected")
+            log_pod_regex = r.get("log_pod_regex")
+            try:
+                api_response = api_instance.list_pod_for_all_namespaces()
+            except ApiException as e:
+                logging.info(e)
+            logging.info(f"Going to search pod compliant with the regex on {len(api_response.items)} pods")
+            for pod in api_response.items:
+                if re.search(f"{log_pod_regex}", pod.metadata.name):
+                    webtail_pods.append(pod)
+                    logging.info(f"Taking log of {pod.metadata.name} because it is compliant with the regex {log_pod_regex}")
 
     try:
         api_response = api_instance.list_namespaced_pod(namespace="kubeinvaders")