0e5f7686ee
Add lessons: untimed guided labs, one per curriculum objective, on a host of their own, in the browser and in the terminal. Each step has a check, a hint and its commands; a lesson writes no history or scores, only a done mark on its objective. CKAD 2.1-2.4 (24 steps) and all 27 CKA objectives (135 steps) have one, and `./ksim lesson audit` proves that every step fails, is done by its own commands, then passes. Add CKA tasks 132-147 (cka/bank_course.py) on what a full CKA course teaches beyond the bank: a real upgrade from v1.36, a drain under a PodDisruptionBudget, QoS and eviction, in-place resize, kube-proxy's chains, encryption at rest, an operator, and CSI expansion, snapshots and clones (ensure_csi_hostpath). Move CKA and CKS to Kubernetes v1.37 and rebuild the hosts on Ubuntu 24.04, with kubelet, kubeadm and kubectl as held packages from pkgs.k8s.io; the desktop runs Ubuntu too. Hosts gain man pages, hexdump and xxd. Fix CKS Q4, which gave 3 of 12 points untouched, and CKA Q4 and Q49, whose solutions raced their new CRD. Audited on v1.37: CKA 147/147, CKAD 105/105, CKS 109/110 (Q103, a Falco task, failed to seed once and awaits a re-audit); lessons: 135 of 135 CKA steps and 24 of 24 CKAD steps. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
28 lines
1.9 KiB
Python
28 lines
1.9 KiB
Python
"""CKA lessons: guided labs, one per curriculum objective, on a cluster of your own and without a
|
|
clock. A lesson explains, then walks you through steps that you do on its host; each step has a
|
|
check, a hint and the commands that do it. It ends by sending you to the objective's timed drill.
|
|
Lessons write nothing to the history or the scores - only a "lesson done" mark on the objective.
|
|
|
|
./ksim lesson the lessons of this track, and which you have done
|
|
./ksim lesson 1.1 start the lesson of objective 1.1 (id or key)
|
|
./ksim lesson check check the step you are on; the next one follows
|
|
./ksim lesson audit [OBJ..] prove lessons: every step fails before its commands and passes after
|
|
|
|
A lesson's host is named after its id - lesson 9101 runs on `cka9101` - which never clashes with a
|
|
task's. Its files go under {WS}/lesson-<objective>/. A step's `show` commands are what the learner
|
|
types; the audit runs exactly them, as `candidate` on the host, so what a lesson shows always
|
|
works. Work on another node is shown as `ssh NODE sudo bash <<'EOF' ... EOF`: the same commands
|
|
you would type after `ssh NODE` and `sudo -i`, in a form that runs unattended. A single command
|
|
there is `ssh -n NODE 'COMMAND'`: without -n, ssh would read the rest of the commands as its input.
|
|
|
|
One file per domain, as with the task banks. Besides the curriculum's competencies, the lessons
|
|
cover what a full CKA course teaches under each of them (2026-10-19: the topics of KubeDojo's CKA
|
|
course, written here from scratch): projected volumes, eviction thresholds, debug containers,
|
|
kube-proxy's rules, encryption at rest, in-place resize, PodDisruptionBudgets, QoS classes,
|
|
ServiceAccount tokens, a real kubeadm upgrade, EndpointSlices.
|
|
"""
|
|
from cka import lessons_arch, lessons_net, lessons_storage, lessons_tshoot, lessons_work
|
|
|
|
LESSONS = (lessons_storage.LESSONS + lessons_tshoot.LESSONS + lessons_work.LESSONS
|
|
+ lessons_arch.LESSONS + lessons_net.LESSONS)
|