vmalert: add filter by group or rule name to UI (#5791)

Co-authored-by: Yury Molodov <yurymolodov@gmail.com>
(cherry picked from commit b60dcbe11f)

app/vmalert/static/js/custom.js

@@ -1,8 +1,10 @@
 function expandAll() {
+    $(".group-heading").show()
     $('.collapse').addClass('show');
 }
 
 function collapseAll() {
+    $(".group-heading").show()
     $('.collapse').removeClass('show');
 }
 
@@ -15,6 +17,87 @@ function toggleByID(id) {
     }
 }
 
+function debounce(func, delay) {
+    let timer;
+    return function(...args) {
+        clearTimeout(timer);
+        timer = setTimeout(() => {
+            func.apply(this, args);
+        }, delay);
+    };
+}
+
+$('#filter').on("keyup", debounce(filter, 500));
+
+function filter(){
+    $(".rule-table").removeClass('show');
+    $(".rule").show();
+    
+    if($("#filter").val().length === 0){
+        $(".group-heading").show()
+        return
+    }
+
+    $(".group-heading").hide()
+
+    filterRuleByName();
+    filterRuleByLabels();
+    filterGroupsByName();
+}
+
+function filterGroupsByName(){
+    $( ".group-heading" ).each(function() {
+        const groupName = $(this).attr('data-group-name');
+        const filter = $("#filter").val()
+        const hasValue = groupName.indexOf(filter) >= 0
+
+        if (hasValue){
+            const target = $(this).attr("data-bs-target");
+            
+            $(this).show();
+            $(`div[id="${target}"] .rule`).show();
+        }
+    });
+}
+
+function filterRuleByName(){
+    $( ".rule" ).each(function() {
+        const ruleName = $(this).attr("data-rule-name");
+        const filter = $("#filter").val()
+        const hasValue = ruleName.indexOf(filter) >= 0
+
+        if (hasValue){
+            const target = $(this).attr('data-bs-target')
+
+            $(`#rules-${target}`).addClass('show');
+            $(`div[data-bs-target='rules-${target}']`).show();
+            $(this).show();
+        }else{
+            $(this).hide();
+        }
+    });  
+}
+
+function filterRuleByLabels(){
+    $( ".rule" ).each(function() {
+        const filter = $("#filter").val()
+        
+        const matches = $( ".label", this ).filter(function() {
+            const label = $(this).text();
+            const hasValue = label.indexOf(filter) >= 0
+            return hasValue;
+        }).length; 
+
+        if (matches > 0){
+            const target = $(this).attr('data-bs-target')
+
+            $(`#rules-${target}`).addClass('show');
+            $(`div[data-bs-target='rules-${target}']`).show();
+            $(this).show();
+        }
+    }); 
+}
+
 $(document).ready(function () {
     $(".group-heading a").click(function (e) {
         e.stopPropagation(); // prevent collapse logic on link click

app/vmalert/web.qtpl

@@ -75,10 +75,20 @@ btn-primary
         <a class="btn btn-primary" role="button" onclick="expandAll()">Expand All</a>
         <a class="btn {%= buttonActive(filter, "unhealthy") %}" role="button" onclick="location.href='?filter=unhealthy'" title="Show only rules with errors">Unhealthy</a>
         <a class="btn {%= buttonActive(filter, "noMatch") %}" role="button" onclick="location.href='?filter=noMatch'" title="Show only rules matching no time series during last evaluation">NoMatch</a>
+        <div class="pt-2 col-md-4 col-lg-4">
+          <div class="input-group">
+            <div class="input-group-prepend">
+              <span class="input-group-text">
+                <svg fill="#000000" height="25px" width="20px" version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 490.4 490.4" xml:space="preserve"><g id="SVGRepo_bgCarrier" stroke-width="0"></g><g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"></g><g id="SVGRepo_iconCarrier"> <g> <path d="M484.1,454.796l-110.5-110.6c29.8-36.3,47.6-82.8,47.6-133.4c0-116.3-94.3-210.6-210.6-210.6S0,94.496,0,210.796 s94.3,210.6,210.6,210.6c50.8,0,97.4-18,133.8-48l110.5,110.5c12.9,11.8,25,4.2,29.2,0C492.5,475.596,492.5,463.096,484.1,454.796z M41.1,210.796c0-93.6,75.9-169.5,169.5-169.5s169.6,75.9,169.6,169.5s-75.9,169.5-169.5,169.5S41.1,304.396,41.1,210.796z"></path> </g> </g></svg>
+              </span>
+            </div>
+            <input id="filter" placeholder="Filter by group, rule or labels" type="text" class="form-control"/>
+          </div>
+        </div>
         {%  if len(groups) > 0 %}
             {% for _, g := range groups  %}
                   <div
-                    class="group-heading{% if rNotOk[g.ID] > 0 %} alert-danger{%endif%}" data-bs-target="rules-{%s g.ID %}">
+                    class="group-heading{% if rNotOk[g.ID] > 0 %} alert-danger{%endif%}" data-bs-target="rules-{%s g.ID %}" data-group-name="{%s g.Name %}">
                     <span class="anchor" id="group-{%s g.ID %}"></span>
                     <a href="#group-{%s g.ID %}">{%s g.Name %}{% if g.Type != "prometheus" %} ({%s g.Type %}){% endif %} (every {%f.0 g.Interval %}s) #</a>
                      {% if rNotOk[g.ID] > 0 %}<span class="badge bg-danger" title="Number of rules with status Error">{%d rNotOk[g.ID] %}</span> {% endif %}
@@ -100,7 +110,7 @@ btn-primary
                         </div>
                     {% endif %}
                 </div>
-                <div class="collapse" id="rules-{%s g.ID %}">
+                <div class="collapse rule-table" id="rules-{%s g.ID %}">
                     <table class="table table-striped table-hover table-sm">
                         <thead>
                             <tr>
@@ -111,7 +121,7 @@ btn-primary
                         </thead>
                         <tbody>
                         {% for _, r := range g.Rules %}
-                            <tr{% if r.LastError != "" %} class="alert-danger"{% endif %}>
+                            <tr class="rule{% if r.LastError != "" %} alert-danger{% endif %}" data-rule-name="{%s r.Name %}" data-bs-target="{%s g.ID %}">
                                 <td>
                                     <div class="row">
                                         <div class="col-12 mb-2">
@@ -134,7 +144,7 @@ btn-primary
                                         <div class="col-12 mb-2">
                                             {% if len(r.Labels) > 0 %} <b>Labels:</b>{% endif %}
                                             {% for k, v := range r.Labels %}
-                                                    <span class="ms-1 badge bg-primary">{%s k %}={%s v %}</span>
+                                                    <span class="ms-1 badge bg-primary label">{%s k %}={%s v %}</span>
                                             {% endfor %}
                                         </div>
                                         {% if r.LastError != "" %}