32 lines
1.2 KiB
Bash
Executable File
32 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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set -e
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set -x
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iscsiadm_host_strategy=$([ $ISCSIADM_HOST_STRATEGY ] && echo $ISCSIADM_HOST_STRATEGY || echo "chroot")
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iscsiadm_host_path=$( [ $ISCSIADM_HOST_PATH ] && echo $ISCSIADM_HOST_PATH || echo "/sbin/iscsiadm")
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echo "using iscsiadm_host_strategy=$iscsiadm_host_strategy"
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echo "using iscsiadm_host_path=$iscsiadm_host_path"
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case $iscsiadm_host_strategy in
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chroot)
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# https://engineering.docker.com/2019/07/road-to-containing-iscsi/
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chroot /host /usr/bin/env -i PATH="/usr/sbin:/usr/bin:/sbin:/bin" iscsiadm "${@:1}"
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;;
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nsenter)
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# https://github.com/siderolabs/extensions/issues/38#issuecomment-1125403043
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iscsid_pid=$(for proc in /proc/*/cmdline; do grep -q "iscsid -f" <<< $(cat $proc 2>/dev/null | tr "\0" " ") && echo $(basename $(dirname $proc)) && break; done)
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if [ "$iscsid_pid" = "" ]; then
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echo "could not find the iscsid process"
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exit 1
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fi
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nsenter --mount="/proc/${iscsid_pid}/ns/mnt" --net="/proc/${iscsid_pid}/ns/net" -- $iscsiadm_host_path "${@:1}"
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;;
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*)
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echo "$iscsiadm_host_strategy is not a valid strategy, choose either 'chroot' or 'nsenter'"
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exit 1
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;;
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esac
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