Attachment 1853109 Details for Bug 1916169 – reproducer script

reproducer script

reproduce.sh (text/plain), 1.97 KB, created by mkenigsb on 2022-01-24 16:57:01 UTC

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Creator: mkenigsb

Created: 2022-01-24 16:57:01 UTC

Size: 1.97 KB

patch

obsolete

>set -euxo pipefail
>
>cat <<EOF | oc apply -f -
>apiVersion: machineconfiguration.openshift.io/v1
>kind: MachineConfigPool
>metadata:
>  name: reproducer
>spec:
>  machineConfigSelector:
>    matchExpressions:
>    - key: machineconfiguration.openshift.io/role
>      operator: In
>      values:
>      - worker
>      - reproducer
>  nodeSelector:
>    matchLabels:
>      node-role.kubernetes.io/reproducer: ""
>EOF
>WORKER=$(oc get nodes --selector node-role.kubernetes.io/worker= --output jsonpath="{.items[0].metadata.name}")
>oc label nodes "$WORKER" node-role.kubernetes.io/reproducer=
>MCD=$(oc get pods -n openshift-machine-config-operator --field-selector spec.nodeName="$WORKER" --output jsonpath="{.items[0].metadata.name}")
>oc exec -n openshift-machine-config-operator -c machine-config-daemon pod/"$MCD" -- bash -c "chroot /rootfs echo 1 > /proc/sys/kernel/sysrq"
>
>cat <<EOF | oc apply -f -
>apiVersion: machineconfiguration.openshift.io/v1
>kind: MachineConfig
>metadata:
>  name: reproducer
>  labels:
>    machineconfiguration.openshift.io/role: reproducer
>spec:
>spec:
>  config:
>    ignition:
>      config: {}
>      security:
>        tls: {}
>      timeouts: {}
>      version: 2.2.0
>    networkd: {}
>    passwd: {}
>    storage:
>  fips: false
>  kernelArguments:
>  - nosmt
>  kernelType: realtime
>EOF
>
>(set +o pipefail; oc logs -f -n openshift-machine-config-operator -c machine-config-daemon pod/"$MCD" | tee /dev/stderr | grep -q "Initiating switch from kernel default to realtime")
>
>oc exec -n openshift-machine-config-operator -c machine-config-daemon pod/"$MCD" -- bash -c "chroot /rootfs echo b > /proc/sysrq-trigger"
>
>while [[ $(oc get mcp --field-selector=metadata.name=reproducer --output=jsonpath="{.items[0].status.updatedMachineCount}") != 1 ]]; do sleep 5; done
>
>oc exec -n openshift-machine-config-operator -c machine-config-daemon pod/"$MCD" -- chroot /rootfs uname -r
>
># cleanup
># oc label nodes "$WORKER" node-role.kubernetes.io/reproducer-
># wait for update
># oc delete mc/reproducer
># oc delete mcp/reproducer

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Attachments on bug 1916169: 1853109