Set default type for alert embeds

app/services/metrics/dashboard/gitlab_alert_embed_service.rb

@@ -8,6 +8,7 @@
 module Metrics
   module Dashboard
     class GitlabAlertEmbedService < ::Metrics::Dashboard::BaseEmbedService
+      include Gitlab::Metrics::Dashboard::Defaults
       include Gitlab::Utils::StrongMemoize
 
       SEQUENCE = [
@@ -63,7 +64,8 @@ module Metrics
         {
           title: prometheus_metric.title,
           y_label: prometheus_metric.y_label,
-          metrics: [prometheus_metric.to_metric_hash]
+          metrics: [prometheus_metric.to_metric_hash],
+          type: DEFAULT_PANEL_TYPE
         }
       end
 

changelogs/unreleased/sy-set-default-type-for-alert-embeds.yml

+---
+title: Link to logs from GitLab-managed alert metrics
+merge_request: 39487
+author:
+type: added

doc/operations/incident_management/index.md

@@ -303,6 +303,21 @@ for information on how to appropriately configure your alerting rules. See
 [External Prometheus instances](../metrics/alerts.md#external-prometheus-instances)
 for information on setting up alerts for your self-managed Prometheus instance.
 
+### View an Alert's logs
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/217768) in GitLab 13.3.
+
+To view the logs for an alert:
+
+   1. Sign in as a user with Developer or higher [permissions](../../user/permissions.md).
+   1. Navigate to **{cloud-gear}** **Operations > Alerts**.
+   1. Click the alert you want to view.
+   1. Below the title of the alert, click the **Metrics** tab.
+   1. Click the [menu](../metrics/dashboards/index.md#chart-context-menu) of the metric chart to view options.
+   1. Click **View logs**.
+
+Read [View logs from metrics panel](#view-logs-from-metrics-panel) for additional information.
+
 ## Use cases for assigning alerts
 
 Consider a team formed by different sections of monitoring, collaborating on a

spec/services/metrics/dashboard/gitlab_alert_embed_service_spec.rb

@@ -72,12 +72,18 @@ RSpec.describe Metrics::Dashboard::GitlabAlertEmbedService do
       it_behaves_like 'valid embedded dashboard service response'
       it_behaves_like 'raises error for users with insufficient permissions'
 
-      it 'uses the metric info corresponding to the alert' do
+      it 'generates an panel based on the alert' do
         result = service_call
-        metrics = result[:dashboard][:panel_groups][0][:panels][0][:metrics]
-
-        expect(metrics.length).to eq 1
-        expect(metrics.first[:metric_id]).to eq alert.prometheus_metric_id
+        panel = result[:dashboard][:panel_groups][0][:panels][0]
+        metric = panel[:metrics].first
+
+        expect(panel[:metrics].length).to eq 1
+        expect(panel).to include(
+          title: alert.prometheus_metric.title,
+          y_label: alert.prometheus_metric.y_label,
+          type: 'area-chart'
+        )
+        expect(metric[:metric_id]).to eq alert.prometheus_metric_id
       end
 
       context 'when the metric does not exist' do