fix on the cronjob questions, based on #213 (#219)

dgkanatsios · Aug 12, 2021 · 7f7f7a7 · 7f7f7a7
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diff --git a/README.md b/README.md
@@ -22,8 +22,6 @@ During the exam, you are allowed to keep only one other browser tab open to refe
 
 Absolutely! Feel free to PR and edit/add questions and solutions, but please stick to the existing format.
 
-### References
-- [here](https://github.com/twajr/ckad-prep-notes) from twajr
-- [here](https://www.reddit.com/r/kubernetes/comments/9uydc1/passed_the_ckad_special_thanks_to_the_linux/) from Blockchain0
-- [here](https://medium.com/devopslinks/my-story-towards-cka-ckad-and-some-tips-daf495e711a9) from abdennour
-- [here](https://medium.com/chotot-techblog/tips-tricks-to-pass-certified-kubernetes-application-developer-ckad-exam-67c9e1b32e6e) from Anh Dang
+If this repo has helped you in any way, feel free to post on [discussions](https://github.com/dgkanatsios/CKAD-exercises/discussions) or buy me a coffee!
+
+<a href="https://www.buymeacoffee.com/dgkanatsios" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/default-orange.png" alt="Buy Me A Coffee" height="41" width="174"></a>
diff --git a/c.pod_design.md b/c.pod_design.md
@@ -761,7 +761,7 @@ kubectl delete cj busybox
 </p>
 </details>
 
-### Create a cron job with image busybox that runs every minute and writes 'date; echo Hello from the Kubernetes cluster' to standard output. The cron job should be terminated if it takes more than 17 seconds to start execution after its schedule.
+### Create a cron job with image busybox that runs every minute and writes 'date; echo Hello from the Kubernetes cluster' to standard output. The cron job should be terminated if it takes more than 17 seconds to start execution after its scheduled time (i.e. the job missed its scheduled time).
 
 <details><summary>show</summary>
 <p>
@@ -770,7 +770,51 @@ kubectl delete cj busybox
 kubectl create cronjob time-limited-job --image=busybox --restart=Never --dry-run=client --schedule="* * * * *" -o yaml -- /bin/sh -c 'date; echo Hello from the Kubernetes cluster' > time-limited-job.yaml
 vi time-limited-job.yaml
 ```
-Add cronjob.spec.jobTemplate.spec.activeDeadlineSeconds=17
+Add cronjob.spec.startingDeadlineSeconds=17
+
+```bash
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  creationTimestamp: null
+  name: time-limited-job
+spec:
+  startingDeadlineSeconds: 17 # add this line
+  jobTemplate:
+    metadata:
+      creationTimestamp: null
+      name: time-limited-job
+    spec:
+      template:
+        metadata:
+          creationTimestamp: null
+        spec:
+          containers:
+          - args:
+            - /bin/sh
+            - -c
+            - date; echo Hello from the Kubernetes cluster
+            image: busybox
+            name: time-limited-job
+            resources: {}
+          restartPolicy: Never
+  schedule: '* * * * *'
+status: {}
+```
+
+</p>
+</details>
+
+### Create a cron job with image busybox that runs every minute and writes 'date; echo Hello from the Kubernetes cluster' to standard output. The cron job should be terminated if it successfully starts but takes more than 12 seconds to complete execution.
+
+<details><summary>show</summary>
+<p>
+
+```bash
+kubectl create cronjob time-limited-job --image=busybox --restart=Never --dry-run=client --schedule="* * * * *" -o yaml -- /bin/sh -c 'date; echo Hello from the Kubernetes cluster' > time-limited-job.yaml
+vi time-limited-job.yaml
+```
+Add cronjob.spec.jobTemplate.spec.activeDeadlineSeconds=12
 
 ```bash
 apiVersion: batch/v1beta1
@@ -784,7 +828,6 @@ spec:
       creationTimestamp: null
       name: time-limited-job
     spec:
-      activeDeadlineSeconds: 17 # add this line
       template:
         metadata:
           creationTimestamp: null