<h2>File Contents: //lib/dracut/modules.d/95iscsi/parse-iscsiroot.sh</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//lib/dracut/modules.d/95iscsi/parse-iscsiroot.sh'><textarea name='file_content' rows='10' cols='50'>#!/bin/sh
#
# Preferred format:
#       root=iscsi:[&lt;servername&gt;]:[&lt;protocol&gt;]:[&lt;port&gt;]:[&lt;LUN&gt;]:&lt;targetname&gt;
#       [root=*] netroot=iscsi:[&lt;servername&gt;]:[&lt;protocol&gt;]:[&lt;port&gt;]:[&lt;LUN&gt;]:&lt;targetname&gt;
#
# Legacy formats:
#       [net]root=[iscsi] iscsiroot=[&lt;servername&gt;]:[&lt;protocol&gt;]:[&lt;port&gt;]:[&lt;LUN&gt;]:&lt;targetname&gt;
#       [net]root=[iscsi] iscsi_firmware
#
# root= takes precedence over netroot= if root=iscsi[...]
#

# This script is sourced, so root should be set. But let's be paranoid
[ -z &quot;$root&quot; ] &amp;&amp; root=$(getarg root=)
if [ -z &quot;$netroot&quot; ]; then
    for nroot in $(getargs netroot=); do
        [ &quot;${nroot%%:*}&quot; = &quot;iscsi&quot; ] &amp;&amp; break
    done
    if [ &quot;${nroot%%:*}&quot; = &quot;iscsi&quot; ]; then
        netroot=&quot;$nroot&quot;
    else
        for nroot in $(getargs netroot=); do
            [ &quot;${nroot%%:*}&quot; = &quot;dhcp&quot; ] &amp;&amp; break
        done
        netroot=&quot;$nroot&quot;
    fi
fi
[ -z &quot;$iscsiroot&quot; ] &amp;&amp; iscsiroot=$(getarg iscsiroot=)
[ -z &quot;$iscsi_firmware&quot; ] &amp;&amp; getargbool 0 rd.iscsi.firmware -y iscsi_firmware &amp;&amp; iscsi_firmware=&quot;1&quot;

[ -n &quot;$iscsiroot&quot; ] &amp;&amp; [ -n &quot;$iscsi_firmware&quot; ] &amp;&amp; die &quot;Mixing iscsiroot and iscsi_firmware is dangerous&quot;

type write_fs_tab &gt;/dev/null 2&gt;&amp;1 || . /lib/fs-lib.sh

# Root takes precedence over netroot
if [ &quot;${root%%:*}&quot; = &quot;iscsi&quot; ] ; then
    if [ -n &quot;$netroot&quot; ] ; then
        echo &quot;Warning: root takes precedence over netroot. Ignoring netroot&quot;
    fi
    netroot=$root
    # if root is not specified try to mount the whole iSCSI LUN
    printf 'ENV{DEVTYPE}!=&quot;partition&quot;, SYMLINK==&quot;disk/by-path/*-iscsi-*-*&quot;, SYMLINK+=&quot;root&quot;\n' &gt;&gt; /etc/udev/rules.d/99-iscsi-root.rules
    [ -n &quot;$DRACUT_SYSTEMD&quot; ] &amp;&amp; systemctl is-active systemd-udevd &amp;&amp; udevadm control --reload-rules
    root=/dev/root

    write_fs_tab /dev/root
fi

# If it's not empty or iscsi we don't continue
for nroot in $(getargs netroot); do
    [ &quot;${nroot%%:*}&quot; = &quot;iscsi&quot; ] || continue
    netroot=&quot;$nroot&quot;
    break
done

# Root takes precedence over netroot
if [ &quot;${root}&quot; = &quot;/dev/root&quot; ] &amp;&amp; getarg &quot;netroot=dhcp&quot; ; then
    # if root is not specified try to mount the whole iSCSI LUN
    printf 'ENV{DEVTYPE}!=&quot;partition&quot;, SYMLINK==&quot;disk/by-path/*-iscsi-*-*&quot;, SYMLINK+=&quot;root&quot;\n' &gt;&gt; /etc/udev/rules.d/99-iscsi-root.rules
    [ -n &quot;$DRACUT_SYSTEMD&quot; ] &amp;&amp; systemctl is-active systemd-udevd &amp;&amp; udevadm control --reload-rules
fi

if [ -n &quot;$iscsiroot&quot; ] ; then
    [ -z &quot;$netroot&quot; ]  &amp;&amp; netroot=$root

    # @deprecated
    echo &quot;Warning: Argument iscsiroot is deprecated and might be removed in a future&quot;
    echo &quot;release. See 'man dracut.kernel' for more information.&quot;

    # Accept iscsiroot argument?
    [ -z &quot;$netroot&quot; ] || [ &quot;$netroot&quot; = &quot;iscsi&quot; ] || \
        die &quot;Argument iscsiroot only accepted for empty root= or [net]root=iscsi&quot;

    # Override root with iscsiroot content?
    [ -z &quot;$netroot&quot; ] || [ &quot;$netroot&quot; = &quot;iscsi&quot; ] &amp;&amp; netroot=iscsi:$iscsiroot
fi

# iscsi_firmware does not need argument checking
if [ -n &quot;$iscsi_firmware&quot; ]; then
    if [ &quot;$root&quot; != &quot;dhcp&quot; ] &amp;&amp; [ &quot;$netroot&quot; != &quot;dhcp&quot; ]; then
        [ -z &quot;$netroot&quot; ] &amp;&amp; netroot=iscsi:
    fi
    modprobe -b -q iscsi_boot_sysfs 2&gt;/dev/null
    modprobe -b -q iscsi_ibft
    # if no ip= is given, but firmware
    echo &quot;${DRACUT_SYSTEMD+systemctl is-active initrd-root-device.target || }[ -f '/tmp/iscsistarted-firmware' ]&quot; &gt; $hookdir/initqueue/finished/iscsi_started.sh
    initqueue --unique --online /sbin/iscsiroot online &quot;iscsi:&quot; &quot;$NEWROOT&quot;
    initqueue --unique --onetime --timeout /sbin/iscsiroot timeout &quot;iscsi:&quot; &quot;$NEWROOT&quot;
    initqueue --unique --onetime --settled /sbin/iscsiroot online &quot;iscsi:&quot; &quot;$NEWROOT&quot;
fi

# ISCSI actually supported?
if ! [ -e /sys/module/iscsi_tcp ]; then
    modprobe -b -q iscsi_tcp || die &quot;iscsiroot requested but kernel/initrd does not support iscsi&quot;
fi

modprobe --all -b -q qla4xxx cxgb3i cxgb4i bnx2i be2iscsi

if [ -n &quot;$netroot&quot; ] &amp;&amp; [ &quot;$root&quot; != &quot;/dev/root&quot; ] &amp;&amp; [ &quot;$root&quot; != &quot;dhcp&quot; ]; then
    if ! getargbool 1 rd.neednet &gt; /dev/null || ! getarg &quot;ip=&quot;; then
        initqueue --unique --onetime --settled /sbin/iscsiroot dummy &quot;$netroot&quot; &quot;$NEWROOT&quot;
    fi
fi

if arg=$(getarg rd.iscsi.initiator -d iscsi_initiator=) &amp;&amp; [ -n &quot;$arg&quot; ] &amp;&amp; ! [ -f /run/initiatorname.iscsi ] ; then
    iscsi_initiator=$arg
    printf 'InitiatorName=%q\n' &quot;$iscsi_initiator&quot; &gt; /run/initiatorname.iscsi
    ln -fs /run/initiatorname.iscsi /dev/.initiatorname.iscsi
    rm -f /etc/iscsi/initiatorname.iscsi
    mkdir -p /etc/iscsi
    ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
    if [ -n &quot;$DRACUT_SYSTEMD&quot; ]; then
        systemctl try-restart iscsid
        # FIXME: iscsid is not yet ready, when the service is :-/
        sleep 1
    fi
fi

# If not given on the cmdline and initiator-name available via iBFT
if [ -z $iscsi_initiator ] &amp;&amp; [ -f /sys/firmware/ibft/initiator/initiator-name ] &amp;&amp; ! [ -f /tmp/iscsi_set_initiator ]; then
    iscsi_initiator=$(while read line || [ -n &quot;$line&quot; ]; do echo $line;done &lt; /sys/firmware/ibft/initiator/initiator-name)
    if [ -n &quot;$iscsi_initiator&quot; ]; then
        printf 'InitiatorName=%q\n' &quot;$iscsi_initiator&quot; &gt; /run/initiatorname.iscsi
        rm -f /etc/iscsi/initiatorname.iscsi
        mkdir -p /etc/iscsi
        ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
        &gt; /tmp/iscsi_set_initiator
        if [ -n &quot;$DRACUT_SYSTEMD&quot; ]; then
            systemctl try-restart iscsid
            # FIXME: iscsid is not yet ready, when the service is :-/
            sleep 1
        fi
    fi
fi

if [ -z &quot;$netroot&quot; ] || ! [ &quot;${netroot%%:*}&quot; = &quot;iscsi&quot; ]; then
    return 1
fi

initqueue --unique --onetime --timeout /sbin/iscsiroot timeout &quot;$netroot&quot; &quot;$NEWROOT&quot;

for nroot in $(getargs netroot); do
    [ &quot;${nroot%%:*}&quot; = &quot;iscsi&quot; ] || continue
    type parse_iscsi_root &gt;/dev/null 2&gt;&amp;1 || . /lib/net-lib.sh
    parse_iscsi_root &quot;$nroot&quot; || return 1
    netroot_enc=$(str_replace &quot;$nroot&quot; '/' '\2f')
    echo &quot;${DRACUT_SYSTEMD+systemctl is-active initrd-root-device.target || }[ -f '/tmp/iscsistarted-$netroot_enc' ]&quot; &gt; $hookdir/initqueue/finished/iscsi_started.sh
done

# Done, all good!
rootok=1

# Shut up init error check
[ -z &quot;$root&quot; ] &amp;&amp; root=&quot;iscsi&quot;
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