update: readme, daemonset and images

Signed-off-by: Benedikt Bongartz <bongartz@klimlive.de>
pavolloffay · Mar 20, 2024 · a68bd82 · a68bd82
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diff --git a/01-welcome-setup.md b/01-welcome-setup.md
@@ -33,7 +33,7 @@ If this is not the case, simply download the [kind-v0.22.0](https://github.com/k
 After a successful installation, a cluster can be created as follows:
 
 ```bash
-kind create cluster --name=workshop --image kindest/node:v1.27.3
+kind create cluster --name=workshop --config=kind-1.29.yaml
 ```
 
 Kind automatically sets the kube context to the created workshop cluster. We can easily check this by getting information about our nodes.
@@ -45,7 +45,7 @@ Expected is the following:
 
 ```bash
 NAME                     STATUS   ROLES           AGE   VERSION
-workshop-control-plane   Ready    control-plane   75s   v1.27.3
+workshop-control-plane   Ready    control-plane   75s   v1.29.1
 ```
 
 ### Cleanup

diff --git a/05-sampling.md b/05-sampling.md
@@ -16,7 +16,7 @@ For example, a medium sized setup producing ~1M traces per minute can result in
 
 Pricing:
 - AWS Xray ([calculator](https://aws.amazon.com/xray/pricing/))
-- GCP Cloud Trace [pricing](https://cloud.google.com/stackdriver/pricing#trace-costs)
+- GCP Cloud Trace ([pricing](https://cloud.google.com/stackdriver/pricing#trace-costs))
 
 ```
 GCP

diff --git a/08-k8s-tracing.md b/08-k8s-tracing.md
@@ -88,6 +88,20 @@ spec:
   priorityClassName: system-node-critical
 ```
 
+Once the API-Server and ETCD are reporting telemetry data we can make some noise by creating and deleting an nginx instance:
+```bash
+$ kubectl create deployment nginx-project --image=nginx
+deployment.apps/nginx-project created
+---
+$ kubectl get deployments.apps
+NAME            READY   UP-TO-DATE   AVAILABLE   AGE
+nginx-project   1/1     1            1           1m
+---
+$ kubectl delete deployments.apps nginx-project
+deployment.apps "nginx-project" deleted
+```
+
+![api-server](images/api-server.png)
 
 ## Kubelet
 
@@ -112,3 +126,6 @@ This should be the effect:
     volumeStatsAggPeriod: 0s
 ```
 
+
+![terminating](images/terminating.png)
+![terminated](images/terminated.png)
diff --git a/app/otel-daemonset.yaml b/app/otel-daemonset.yaml
@@ -1,3 +1,4 @@
+---
 apiVersion: opentelemetry.io/v1alpha1
 kind: OpenTelemetryCollector
 metadata:

diff --git a/images/api-server.png b/images/api-server.png
diff --git a/images/rolldice-delay.png b/images/rolldice-delay.png
diff --git a/images/rolldice-error.png b/images/rolldice-error.png
diff --git a/images/terminated.png b/images/terminated.png
diff --git a/images/terminating.png b/images/terminating.png
diff --git a/kind-1.29.yaml b/kind-1.29.yaml
@@ -38,7 +38,7 @@ nodes:
           extraArgs:
             tracing-config-file: "/api-server/tracing-config.yaml"
           extraVolumes:
-          - name: tracingConfig
+          - name: tracing-config
             hostPath: /api-server/tracing-config.yaml
             mountPath: /api-server/tracing-config.yaml
             readOnly: true