Merge branch 'master' of code.ungleich.ch:ungleich-public/ungleich-k8s

README.md

@@ -227,3 +227,10 @@ kubectl delete -f generic/nginx-test-deployment.yaml
 While above is already a fully running k8s cluster, we do want to have
 support for **PersistentVolumeclaims**. See [the rook
 documentation](rook/README.md) on how to achieve the next step.
+
+## The IPv4 "problem"
+
+* Clusters are IPv6 only
+* Need to have one or more services to map IPv4
+* Maybe outside haproxy w/ generic ssl/sni/host mapping
+  * Could even be **inside** haproxy service

rook/pvc-block-rwo.yaml

@@ -0,0 +1,12 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: rbd-pvc
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+  storageClassName: rook-ceph-block

rook/pvc-cephfs-rwx.yaml

@@ -0,0 +1,12 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pvc-multitest-cephfs
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 200Mi
+  storageClassName: rook-cephfs

tests/README.md

@@ -0,0 +1,23 @@
+## k8s Tests
+
+### Creating PVCs using rook: ok
+
+Generic test to see whether PVC support is correctly installed from
+rook.
+
+* Apply pvc-cephfs.yaml: get cephfs based PVC + PV
+* Apply pvc-rbd.yaml: get RBD based PVC + PV
+
+### Resizing PVC based on CephFS: ok
+
+* Apply pvc-busybox-cephfs.yaml
+* Wait & check
+* Apply pvc-busybox-cephfs-resize.yaml
+* Wait & check new size -> has increased
+
+### Resizing PVC based on RBD: ok
+
+* Apply pvc-busybox-rbd.yaml
+* Wait & check
+* Apply pvc-busybox-rbd-resize.yaml
+* Wait & check new size -> has increased

tests/pvc-busybox-cephfs-resized.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: busybox-pvc-test
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 200Mi
+  storageClassName: rook-cephfs

tests/pvc-busybox-cephfs.yaml

@@ -0,0 +1,31 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: busybox-sleep
+spec:
+  containers:
+  - name: busybox
+    image: busybox
+    args:
+    - sleep
+    - "1000000"
+    volumeMounts:
+      - mountPath: /test
+        name: testmount
+  volumes:
+    - name: testmount
+      persistentVolumeClaim:
+        claimName: busybox-pvc-test
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: busybox-pvc-test
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 100Mi
+  storageClassName: rook-cephfs

tests/pvc-busybox-rbd-resize.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: busybox-pvc-test-rbd
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 150Mi
+  storageClassName: rook-ceph-block

tests/pvc-busybox-rbd.yaml

@@ -0,0 +1,31 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: busybox-sleep-rbdtest
+spec:
+  containers:
+  - name: busybox
+    image: busybox
+    args:
+    - sleep
+    - "1000000"
+    volumeMounts:
+      - mountPath: /test
+        name: testmount
+  volumes:
+    - name: testmount
+      persistentVolumeClaim:
+        claimName: busybox-pvc-test-rbd
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: busybox-pvc-test-rbd
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 100Mi
+  storageClassName: rook-ceph-block