Jaeger datasource and screenshots

Signed-off-by: Pavol Loffay <p.loffay@gmail.com>

07-correlation.md

@@ -87,6 +87,16 @@ roleRef:
             from: namespace
 ```
 
+Let's create a collector with the k8s attribute processor:
+```bash
+kubectl apply -f https://raw.githubusercontent.com/pavolloffay/kubecon-na-2023-opentelemetry-kubernetes-metrics-tutorial/main/backend/07-collector-correlation.yaml
+```
+
+And let's see a [trace in Grafana](http://localhost:3000/grafana/explore?orgId=1&left=%7B%22datasource%22:%223Dcp0V4Ik%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22datasource%22:%7B%22type%22:%22jaeger%22,%22uid%22:%223Dcp0V4Ik%22%7D,%22queryType%22:%22search%22,%22service%22:%22backend1-deployment%22%7D%5D,%22range%22:%7B%22from%22:%22now-1h%22,%22to%22:%22now%22%7D%7D)
+
+![](./images/grafana-trace-k8s-namespace-attribute.jpg)
+![](./images/grafana-metrics-k8s-namespace-attribute.jpg)
+
 ## Resource Detection Processor
 
 The [resourcedetectionprocessor](https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/processor/resourcedetectionprocessor) can 
@@ -113,7 +123,6 @@ processors:
 between aggregated metric data and the original API calls where measurements are recorded.
 Exemplars work for trace-metric correlation across any metric, not just those that can also be derived from Spans.
 
-
 * Not all OpenTelemetry SDKs support exemplars:
 * https://github.com/open-telemetry/opentelemetry-go/issues/559
 * https://github.com/open-telemetry/opentelemetry-js/issues/2594

app/loadgen/run.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-SLOWDOWN_IN_SECONDS=${SLOWDOWN_IN_SECONDS:-0.5}
+SLOWDOWN_IN_SECONDS=${SLOWDOWN_IN_SECONDS:-3}
 URL=${URL:-"http://frontend:4000/"}
 
 while true;
@@ -10,7 +10,8 @@ MAX=$(($(($RANDOM%30))+10))
 for i in `seq 1 ${MAX}`
 do
 PLAYERS=(`echo -e "Pavol\nBenedikt\nYuri\nKristina\nSeverin" | shuf`)
-timeout 5 curl -s "${URL}?player1=${PLAYERS[1]}&player2=${PLAYERS[2]}" & 
+timeout 5 curl -s "${URL}?player1=${PLAYERS[1]}&player2=${PLAYERS[2]}" &
+sleep 1
 done
 
 wait

backend/01-backend.yaml

@@ -4621,6 +4621,17 @@ data:
           type: prometheus
           url: http://prometheus.observability-backend.svc.cluster.local
           version: 1
+        - access: proxy
+          basicAuth: false
+          editable: false
+          isDefault: false
+          jsonData:
+            disableMetricsLookup: false
+            httpMethod: POST
+          name: jaeger
+          type: jaeger
+          url: http://jaeger-query:16686
+          version: 1
 kind: ConfigMap
 metadata:
   labels: {}