1 files changed, 71 insertions, 0 deletions
diff --git a/kamon-status-page/src/main/vue/src/components/OverviewCard.vue b/kamon-status-page/src/main/vue/src/components/OverviewCard.vue
new file mode 100644
index 00000000..6746d761
--- /dev/null
+++ b/kamon-status-page/src/main/vue/src/components/OverviewCard.vue
@@ -0,0 +1,71 @@
+<template>
+  <status-section title="Overview">
+    <card>
+      <div class="row py-2 no-gutters">
+        <div class="col-12 col-md-3 py-2 px-3">
+          <div class="text-uppercase text-label pb-1">Instrumentation</div>
+          <h5>{{instrumentationStatusMessage}}</h5>
+        </div>
+        <div class="col-12 col-md-3 py-2 px-3">
+          <div class="text-uppercase text-label pb-1">Reporters</div>
+          <h5>{{ activeReporters.length }} Started</h5>
+        </div>
+        <div class="col-12 col-md-3 py-2 px-3">
+          <div class="text-uppercase text-label pb-1">Metrics</div>
+          <h5>{{metricsStatusMessage}}</h5>
+        </div>
+      </div>
+    </card>
+  </status-section>
+</template>
+
+
+<script lang="ts">
+import { Component, Vue, Prop } from 'vue-property-decorator'
+import {Option, none, some} from 'ts-option'
+import Card from '../components/Card.vue'
+import StatusSection from '../components/StatusSection.vue'
+import {StatusApi, ModuleRegistry, ModuleKind, MetricRegistry, Module, Metric, Instrumentation} from '../api/StatusApi'
+
+@Component({
+  components: {
+    'card': Card,
+    'status-section': StatusSection
+  },
+})
+export default class OverviewCard extends Vue {
+  @Prop() private moduleRegistry: Option<ModuleRegistry> = none
+  @Prop() private metricRegistry: Option<MetricRegistry> = none
+  @Prop() private instrumentation: Option<Instrumentation> = none
+
+  get reporterModules(): Module[] {
+    return this.moduleRegistry
+      .map(moduleRegistry => moduleRegistry.modules.filter(this.isReporter))
+      .getOrElse([])
+  }
+
+  get activeReporters(): Module[] {
+    return this.reporterModules.filter(this.isStarted)
+  }
+
+  get trackedMetrics(): Option<number> {
+    return this.metricRegistry.map(metricRegistry => metricRegistry.metrics.length)
+  }
+
+  get instrumentationStatusMessage(): string {
+    return this.instrumentation.map(i => (i.active ? 'Active' : 'Disabled') as string).getOrElse('Unknown')
+  }
+
+  get metricsStatusMessage(): string {
+    return this.trackedMetrics.map(mc => mc + ' Series').getOrElse('Unknown')
+  }
+
+  private isReporter(module: Module): boolean {
+    return [ModuleKind.Combined, ModuleKind.Span, ModuleKind.Metric].indexOf(module.kind) > 0
+  }
+
+  private isStarted(module: Module): boolean {
+    return module.started
+  }
+}
+</script>