fix(edge): add logs dashboard info (#5542)

* fix(edge): add logs dashboard info

* fix(edge): complete info

Author: RoRoJ

pages/edge-services/how-to/assets/scaleway-edge-services-logs.webp

@@ -6,23 +6,31 @@ dates:
   posted: 2024-07-24
 tags: load-balancer edge-services cdn cache-hit-ratio grafana observability
 ---
-import image from './assets/scaleway-edge-services-metrics.webp'
+import EdgeServicesMetrics from './assets/scaleway-edge-services-metrics.webp'
+import EdgeServicesLogs from './assets/scaleway-edge-services-logs.webp'
 
 
-You can view your Edge Services metrics via [Scaleway Cockpit](/cockpit/quickstart/). This allows you to monitor your ingress, egress, request rate, and cache hit ratio as well as other metrics, in a convenient managed Grafana dashboard.
+You can view your Edge Services metrics and logs via [Scaleway Cockpit](/cockpit/quickstart/). This allows you to monitor your ingress, egress, request rate, and cache hit ratio as well as other metrics and logs, in convenient managed Grafana dashboards.
 
-Access your Edge Services dashboard in the Scaleway console via either
+## Metrics
 
-- Clicking **Track your Edge Services metrics with Cockpit** shortcut in the **Edge Services** dashboard of the pipeline in question. 
-- The **Metrics** tab in the **Edge Services** section of the console.
+### How to access the metrics dashboard
+
+Access your Edge Services metrics dashboard by following the instructions for accessing a preconfigured Grafana dashboard via [Cockpit](/cockpit/how-to/access-grafana-and-managed-dashboards/), and selecting the **Edge Services Overview** dashboard from the list of Scaleway dashboards.
+
+<Message type="tip">
+Alternatively, you can click the **Track your Edge Services metrics with Cockpit** shortcut in the **Edge Services** dashboard of the pipeline in question, or the **Metrics** tab in the **Edge Services** section of the console.
+</Message>
 
 Note that you will first need to [create a Grafana user and credentials](/cockpit/how-to/retrieve-grafana-credentials/).
 
-### Understanding the dashboard
+### Understanding the metrics dashboard
 
 The Grafana dashboard presents a number of different metrics. Use the drop-down in the top left to select which pipeline and origin to view Edge Services metrics for, and the time range drop-down in the top right to modify the time period to apply to the metrics.
 
-<Lightbox image={image} alt="A screenshot of the Grafana dashboard for Edge Services, with all the sections detailed in the following text." />
+The screenshot below shows an example of Edge Services metrics for a given pipeline:
+
+<Lightbox image={EdgeServicesMetrics} alt="A screenshot of the Grafana metrics dashboard for Edge Services, with all the sections detailed in the following text." />
 
 - **Request rate**: The number of requests made to Edge Services per second, for the specified origin, averaged over the specified time period.
 - **Cache hit ratio**: The percentage of requests served from Edge Services' cache, compared to the total number of requests in total to Edge Services for this origin, over the specified time period.
@@ -42,3 +50,34 @@ The Grafana dashboard presents a number of different metrics. Use the drop-down
 
 - **Request origin country**: The proportion of requests (to Edge Services for the specified origin over the specified time period) originating from different countries.
 - **End users location**: A visual representation of where Edge Services end users have been making requests from geographically.
+
+## Logs
+
+### How to access the logs dashboard
+
+Access your Edge Services logs dashboard by following the instructions for accessing a preconfigured Grafana dashboard via [Cockpit](/cockpit/how-to/access-grafana-and-managed-dashboards/), and selecting the **Edge Services Logs** dashboard from the list of Scaleway dashboards.
+
+### Understanding the logs dashboard
+
+The Grafana dashboard presents a centralized and detailed view of HTTP requests handled by a given Edge Services pipeline. It captures and displays logs for each requests/response. Use the drop-down in the top left of the screen to select which pipeline's logs to view, and to define the log level. In the top right, use the time range drop-down in the top right to modify the time period to apply.
+
+The screenshot below shows an example of Edge Services logs for a given pipeline:
+
+<Lightbox image={EdgeServicesLogs} alt="A screenshot of the Grafana logs dashboard for Edge Services, with all the sections detailed in the following text." />
+
+- **Level**: Severity of the log entry, either `error`, `warn`, or `info`.
+- **Time**: Date and time of the logged event.
+- **Client IP**: IP address of the client (user or system) that initiated the request.
+- **Method**: HTTP method used in the request, e.g. `GET`, `POST`, `PUT` etc.
+- **Schema**: Specifies whether the request was made over HTTP or HTTPS.
+- **Host**: Server that received the request.
+- **Path**: Specific resource path that the client is requesting.
+- **Version**: HTTP protocol version used in the request, e.g. `HTTP/2`.
+- **Code Client** HTTP status code returned to the client, e.g. `503`, `200`, `403`.
+- **Code origin**: HTTP status code generated by the origin/backend server that processed the request.
+- **Content type**: Type of content returned in the response, e.g. `text/html`, `application/json`.
+- **SSL**: Whether the client request was encrypted with SSL/TLS, and which version e.g. `TLSv1.3`.
+- **Country**: Country from which the request originated.
+- **WAF**: Whether the request was analysed by WAF.
+- **WAF action**: Action taken by WAF, e.g. `block`, `log`, `pass`.
+- **WAF CRS ID**: WAF CRS rules, if any, that were actioned on the request.