f026040524
This reverts commit 649ee05f95.
Additionally pinning the horizon to a prior tested version
Change-Id: I8bc0b226110c06be2529f65ffad79d45bed7f16b
97 lines
2.5 KiB
Bash
Executable File
97 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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set -ex
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CLUSTER_DNS=${CLUSTER_DNS:-10.96.0.10}
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KUBECTL_IMAGE=${KUBECTL_IMAGE:-gcr.io/google-containers/hyperkube-amd64:v1.17.3}
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UBUNTU_IMAGE=${UBUNTU_IMAGE:-docker.io/ubuntu:16.04}
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cat > /tmp/hanging-cgroup-release.yaml << 'EOF'
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: hanging-cgroup-release
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namespace: kube-system
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labels:
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hotfix: 'true'
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data:
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singleshot.sh: |+
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#!/bin/bash
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set -ex
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while [ 1 ];
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do
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cgroup_count() {
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echo "Current cgroup count: $(find /sys/fs/cgroup/*/system.slice -name tasks | wc -l)"
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}
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DATE=$(date)
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echo "$(cgroup_count)"
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echo # Stop systemd mount unit that isn't actually mounted
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echo "Stopping Kubernetes systemd mount units that are not mounted to the system."
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systemctl list-units --state=running| \
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sed -rn '/Kubernetes.transient.mount/s,(run-\S+).+(/var/lib/kubelet/pods/.+),\1 \2,p' | \
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xargs -r -l1 sh -c 'test -d $2 || echo $1' -- | \
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xargs -r -tl1 systemctl stop |& wc -l
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echo "$(cgroup_count)"
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sleep 3600
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done;
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EOF
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cat >> /tmp/hanging-cgroup-release.yaml << EOF
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: hanging-cgroup-release
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namespace: kube-system
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spec:
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template:
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metadata:
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labels:
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name: hanging-cgroup-release
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spec:
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hostNetwork: true
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hostPID: true
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nodeSelector:
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ucp-control-plane: enabled
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containers:
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- resources:
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requests:
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cpu: 0.1
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securityContext:
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privileged: true
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image: ${UBUNTU_IMAGE}
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name: hanging-cgroup-release
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command: ["/bin/bash", "-cx"]
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args:
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- >
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cp -p /tmp/singleshot.sh /host/tmp;
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nsenter -t 1 -m -u -n -i /tmp/singleshot.sh;
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volumeMounts:
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- name: host
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mountPath: /host
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- name: hanging-cgroup-release
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subPath: singleshot.sh
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mountPath: /tmp/singleshot.sh
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volumes:
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- name: host
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hostPath:
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path: /
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- name: hanging-cgroup-release
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configMap:
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name: hanging-cgroup-release
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defaultMode: 0555
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EOF
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docker run --rm -i \
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--net host \
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-v /tmp:/work \
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-v /etc/kubernetes/admin:/etc/kubernetes/admin \
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-e KUBECONFIG=/etc/kubernetes/admin/kubeconfig.yaml \
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${KUBECTL_IMAGE} \
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kubectl apply -f /work/hanging-cgroup-release.yaml
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