portainer/app/kubernetes/views/stacks/logs/logs.html

<page-header
  ng-if="ctrl.state.viewReady"
  title="'Stacks logs'"
  breadcrumbs="[
{ label:'Namespaces', link:'kubernetes.resourcePools' },
{ label:ctrl.state.transition.namespace, link:'kubernetes.resourcePools.resourcePool', linkParams:{ id: ctrl.state.transition.namespace } },
{ label:'Applications', link:'kubernetes.applications' },
'Stacks',
ctrl.state.transition.name,
'Logs'
]"
  reload="true"
></page-header>

<kubernetes-view-loading view-ready="ctrl.state.viewReady"></kubernetes-view-loading>

<div ng-if="ctrl.state.viewReady">
  <div class="row">
    <div class="col-sm-12">
      <rd-widget>
        <rd-widget-body>
          <form class="form-horizontal" autocomplete="off">
            <div class="col-sm-12 form-section-title"> Actions </div>
            <!-- auto-refresh -->
            <div class="form-group">
              <label class="control-label text-left col-sm-3 col-lg-2 vertical-center !py-2">
                Auto-refresh
                <portainer-tooltip message="'Automatically refresh logs every 30 seconds'"></portainer-tooltip>
              </label>
              <div class="col-sm-8 col-sm-9 vertical-center">
                <label class="switch col-sm-8 col-sm-9 vertical-center !mb-0">
                  <input type="checkbox" ng-model="ctrl.state.autoRefresh" ng-change="ctrl.updateAutoRefresh()" />
                  <span class="slider round"></span>
                </label>
              </div>
            </div>
            <!-- !auto-refresh -->
            <!-- search -->
            <div class="form-group">
              <label for="logs_search" class="col-sm-3 col-lg-2 control-label text-left"> Search </label>
              <div class="col-sm-8 col-lg-9">
                <input
                  class="form-control"
                  type="text"
                  name="logs_search"
                  ng-model="ctrl.state.search"
                  ng-change="ctrl.state.selectedLines.length = 0;"
                  placeholder="Filter..."
                  auto-focus
                />
              </div>
            </div>
            <!-- !search -->
            <!-- actions -->
            <div class="form-group">
              <div class="col-sm-12">
                <button class="btn btn-primary btn-sm !ml-0 vertical-center" type="button" ng-click="ctrl.downloadLogs()">
                  <pr-icon icon="'download'" feather="true"></pr-icon>
                  Download logs
                </button>
              </div>
            </div>
            <!-- !actions -->
          </form>
        </rd-widget-body>
      </rd-widget>
    </div>
  </div>

  <div class="row">
    <div class="col-sm-12 h-[max(400px,calc(100vh-380px))]">
      <pre class="log_viewer">
        <div ng-repeat="log in ctrl.state.filteredLogs = (ctrl.stackLogs | filter:{ 'line': ctrl.state.search }) track by $index" class="line" ng-if="log.line"><p class="inner_line"><span ng-style="{'color': log.appColor, 'font-weight': 'bold'};">{{ log.appName }}</span> <span ng-repeat="span in log.spans track by $index" ng-style="{ 'color': span.fgColor, 'background-color': span.bgColor, 'font-weight': span.fontWeight }">{{ span.text }}</span></p></div>
        <div ng-if="ctrl.stackLogs.length && !ctrl.state.filteredLogs.length" class="line"><p class="inner_line">No log line matching the '{{ ctrl.state.search }}' filter</p></div>
        <div ng-if="ctrl.stackLogs.length === 0" class="line"><p class="inner_line">No logs available</p></div>
    </pre>
    </div>
  </div>
</div>