29 lines
834 B
Bash
Executable File
29 lines
834 B
Bash
Executable File
#!/bin/bash
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: "${ISCSIADM_HOST_STRATEGY:=chroot}"
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: "${ISCSIADM_HOST_PATH:=iscsiadm}"
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echoerr() { printf "%s\n" "$*" >&2; }
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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" ${ISCSIADM_HOST_PATH} "${@: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=$(pgrep --exact --oldest iscsid)
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if [[ "${iscsid_pid}x" == "x" ]]; then
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echoerr "failed to find iscsid pid for nsenter"
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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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echoerr "invalid ISCSIADM_HOST_STRATEGY: ${ISCSIADM_HOST_STRATEGY}"
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exit 1
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;;
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esac
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