apiVersion: apps/v1 kind: DaemonSet metadata: name: longhorn-iscsi-installation labels: app: longhorn-iscsi-installation annotations: command: &cmd OS=$(grep "ID_LIKE" /etc/os-release | cut -d '=' -f 2); if [[ "${OS}" == *"debian"* ]]; then sudo apt-get update -q -y && sudo apt-get install -q -y open-iscsi && sudo systemctl -q enable iscsid && sudo systemctl start iscsid; elif [[ "${OS}" == *"suse"* ]]; then sudo zypper --gpg-auto-import-keys -q refresh && sudo zypper --gpg-auto-import-keys -q install -y open-iscsi && sudo systemctl -q enable iscsid && sudo systemctl start iscsid; else sudo yum makecache -q -y && sudo yum --setopt=tsflags=noscripts install -q -y iscsi-initiator-utils && echo "InitiatorName=$(/sbin/iscsi-iname)" > /etc/iscsi/initiatorname.iscsi && sudo systemctl -q enable iscsid && sudo systemctl start iscsid; fi && if [ $? -eq 0 ]; then echo "iscsi install successfully"; else echo "iscsi install failed error code $?"; fi spec: selector: matchLabels: app: longhorn-iscsi-installation template: metadata: labels: app: longhorn-iscsi-installation spec: hostNetwork: true hostPID: true initContainers: - name: iscsi-installation command: - nsenter - --mount=/proc/1/ns/mnt - -- - bash - -c - *cmd image: alpine:3.12 securityContext: privileged: true containers: - name: sleep image: k8s.gcr.io/pause:3.1 updateStrategy: type: RollingUpdate