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tests: parametrize storage parameters

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- trusted-storage.yaml.in: use $PV_STORAGE_CAPACITY and
  $PVC_STORAGE_REQUEST so that PV/PVC size can vary per test.
- confidential_common.sh: add optional size (MB) argument to
  create_loop_device.
- k8s-guest-pull-image.bats: pass PV_STORAGE_CAPACITY and
  PVC_STORAGE_REQUEST when generating storage config.

Signed-off-by: Manuel Huber <manuelh@nvidia.com>
This commit is contained in:
Manuel Huber
2026-02-25 16:07:07 -08:00
committed by Fabiano Fidêncio
parent f756966a8e
commit b6cf00a374
3 changed files with 21 additions and 8 deletions
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6
tests/integration/kubernetes/confidential_common.sh
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@@ -116,12 +116,16 @@ function is_confidential_gpu_hardware() {
return 1
}
# create_loop_device creates a loop device backed by a file.
# $1: loop file path (default: /tmp/trusted-image-storage.img)
# $2: size in MB (default: 2500, i.e. ~2.5Gi; use 30720 for ~30Gi)
function create_loop_device(){
local loop_file="${1:-/tmp/trusted-image-storage.img}"
local size_mb="${2:-2500}"
local node="$(get_one_kata_node)"
cleanup_loop_device "$loop_file"
exec_host "$node" "dd if=/dev/zero of=$loop_file bs=1M count=2500"
exec_host "$node" "dd if=/dev/zero of=$loop_file bs=1M count=$size_mb"
exec_host "$node" "losetup -fP $loop_file >/dev/null 2>&1"
local device=$(exec_host "$node" losetup -j $loop_file | awk -F'[: ]' '{print $1}')

15
tests/integration/kubernetes/k8s-guest-pull-image.bats
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@@ -97,7 +97,10 @@ setup() {
storage_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${storage_config_template}").XXXXXX.yaml")
local_device=$(create_loop_device)
LOCAL_DEVICE="$local_device" NODE_NAME="$node" envsubst < "$storage_config_template" > "$storage_config"
PV_NAME=trusted-block-pv PVC_NAME=trusted-pvc \
PV_STORAGE_CAPACITY=10Gi PVC_STORAGE_REQUEST=1Gi \
LOCAL_DEVICE="$local_device" NODE_NAME="$node" \
envsubst < "$storage_config_template" > "$storage_config"
# For debug sake
echo "Trusted storage $storage_config file:"
@@ -142,7 +145,10 @@ setup() {
@test "Test we cannot pull a large image that pull time exceeds createcontainer timeout inside the guest" {
storage_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${storage_config_template}").XXXXXX.yaml")
local_device=$(create_loop_device)
LOCAL_DEVICE="$local_device" NODE_NAME="$node" envsubst < "$storage_config_template" > "$storage_config"
PV_NAME=trusted-block-pv PVC_NAME=trusted-pvc \
PV_STORAGE_CAPACITY=10Gi PVC_STORAGE_REQUEST=1Gi \
LOCAL_DEVICE="$local_device" NODE_NAME="$node" \
envsubst < "$storage_config_template" > "$storage_config"
# For debug sake
echo "Trusted storage $storage_config file:"
@@ -193,7 +199,10 @@ setup() {
fi
storage_config=$(mktemp "${BATS_FILE_TMPDIR}/$(basename "${storage_config_template}").XXXXXX.yaml")
local_device=$(create_loop_device)
LOCAL_DEVICE="$local_device" NODE_NAME="$node" envsubst < "$storage_config_template" > "$storage_config"
PV_NAME=trusted-block-pv PVC_NAME=trusted-pvc \
PV_STORAGE_CAPACITY=10Gi PVC_STORAGE_REQUEST=1Gi \
LOCAL_DEVICE="$local_device" NODE_NAME="$node" \
envsubst < "$storage_config_template" > "$storage_config"
# For debug sake
echo "Trusted storage $storage_config file:"

8
tests/integration/kubernetes/runtimeclass_workloads/confidential/trusted-storage.yaml.in
View File

@@ -14,10 +14,10 @@ volumeBindingMode: WaitForFirstConsumer
apiVersion: v1
kind: PersistentVolume
metadata:
name: trusted-block-pv
name: $PV_NAME
spec:
capacity:
storage: 10Gi
storage: $PV_STORAGE_CAPACITY
volumeMode: Block
accessModes:
- ReadWriteOnce
@@ -37,12 +37,12 @@ spec:
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: trusted-pvc
name: $PVC_NAME
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
storage: $PVC_STORAGE_REQUEST
volumeMode: Block
storageClassName: local-storage