From bfe65f913a4bc6bc5fdb7aa75234c229a2ceef8f Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Tue, 18 Aug 2015 11:50:15 +0200

Subject: [PATCH] iscsi: handle timeout case better

---

 modules.d/95iscsi/iscsiroot.sh       |  6 ++--

 modules.d/95iscsi/parse-iscsiroot.sh | 41 ++++++++++++++++------------

 2 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/modules.d/95iscsi/iscsiroot.sh b/modules.d/95iscsi/iscsiroot.sh

index 2ac9ed32..b7370f6f 100755

--- a/modules.d/95iscsi/iscsiroot.sh

+++ b/modules.d/95iscsi/iscsiroot.sh

@@ -108,7 +108,7 @@ handle_netroot()

     parse_iscsi_root "$1" || return 1

     # Bail out early, if there is no route to the destination

-    if is_ip "$iscsi_target_ip" && [ "$netif" != "dummy" ] && ! all_ifaces_up && getargbool 1 rd.iscsi.testroute; then

+    if is_ip "$iscsi_target_ip" && [ "$netif" != "timeout" ] && ! all_ifaces_up && getargbool 1 rd.iscsi.testroute; then

         ip route get "$iscsi_target_ip" >/dev/null 2>&1 || return 0

     fi

@@ -226,11 +226,11 @@ handle_netroot()

 ret=0

-if [ "$netif" != "dummy" ] && getargbool 1 rd.iscsi.waitnet; then

+if [ "$netif" != "timeout" ] && getargbool 1 rd.iscsi.waitnet; then

     all_ifaces_up || exit 0

 fi

-if [ "$netif" = "dummy" ] && all_ifaces_up; then

+if [ "$netif" = "timeout" ] && all_ifaces_up; then

     # s.th. went wrong and the timeout script hits

     # restart

     systemctl restart iscsid

diff --git a/modules.d/95iscsi/parse-iscsiroot.sh b/modules.d/95iscsi/parse-iscsiroot.sh

index 2939e58a..91cd4630 100755

--- a/modules.d/95iscsi/parse-iscsiroot.sh

+++ b/modules.d/95iscsi/parse-iscsiroot.sh

@@ -42,7 +42,11 @@ if [ "${root%%:*}" = "iscsi" ] ; then

 fi

 # If it's not empty or iscsi we don't continue

-[ -z "$netroot" ] || [ "${netroot%%:*}" = "iscsi" ] || return

+for nroot in $(getargs netroot); do

+    [ "${nroot%%:*}" = "iscsi" ] || continue

+    netroot="$nroot"

+    break

+done

 if [ -n "$iscsiroot" ] ; then

     [ -z "$netroot" ]  && netroot=$root

@@ -64,12 +68,16 @@ if [ -n "$iscsi_firmware" ] || getargbool 0 rd.iscsi.ibft -d "ip=ibft"; then

     [ -z "$netroot" ] && netroot=iscsi:

     modprobe -b -q iscsi_boot_sysfs 2>/dev/null

     modprobe -b -q iscsi_ibft

+    # if no ip= is given, but firmware

+    echo "[ -f '/tmp/iscsistarted-firmware' ]" > $hookdir/initqueue/finished/iscsi_started.sh

+    initqueue --unique --onetime --timeout /sbin/iscsiroot timeout "$netroot" "$NEWROOT"

+    initqueue --unique --onetime --settled /sbin/iscsiroot dummy "'$netroot'" "'$NEWROOT'"

 fi

-initqueue --onetime --timeout /sbin/iscsiroot dummy "$netroot" "$NEWROOT"

-# If it's not iscsi we don't continue

-[ "${netroot%%:*}" = "iscsi" ] || return

+[ -z "$netroot" ] || [ "${netroot%%:*}" = "iscsi" ] || return 1

+

+initqueue --unique --onetime --timeout /sbin/iscsiroot timeout "$netroot" "$NEWROOT"

 modprobe -q qla4xxx

 modprobe -q cxgb3i

@@ -77,11 +85,6 @@ modprobe -q cxgb4i

 modprobe -q bnx2i

 modprobe -q be2iscsi

-if [ -z "$iscsi_firmware" ] ; then

-    type parse_iscsi_root >/dev/null 2>&1 || . /lib/net-lib.sh

-    parse_iscsi_root "$netroot" || return

-fi

-

 # ISCSI actually supported?

 if ! [ -e /sys/module/iscsi_tcp ]; then

     modprobe -q iscsi_tcp || die "iscsiroot requested but kernel/initrd does not support iscsi"

@@ -89,7 +92,7 @@ fi

 if [ -n "$netroot" ] && [ "$root" != "/dev/root" ] && [ "$root" != "dhcp" ]; then

     if ! getargbool 1 rd.neednet >/dev/null || ! getarg "ip="; then

-        initqueue --onetime --settled /sbin/iscsiroot dummy "'$netroot'" "'$NEWROOT'"

+        initqueue --unique --onetime --settled /sbin/iscsiroot dummy "'$netroot'" "'$NEWROOT'"

     fi

 fi

@@ -110,17 +113,21 @@ if [ -z $iscsi_initiator ] && [ -f /sys/firmware/ibft/initiator/initiator-name ]

     rm -f /etc/iscsi/initiatorname.iscsi

     mkdir -p /etc/iscsi

     ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi

-    systemctl restart iscsid

-    sleep 1

     > /tmp/iscsi_set_initiator

+    if systemctl --quiet is-active iscsid.service; then

+        systemctl restart iscsid

+        sleep 1

+    fi

 fi

-if [ -n "$iscsi_firmware" ] ; then

-    echo "[ -f '/tmp/iscsistarted-firmware' ]" > $hookdir/initqueue/finished/iscsi_started.sh

-else

-    netroot_enc=$(str_replace "$netroot" '/' '\2f')

+

+for nroot in $(getargs netroot); do

+    [ "${nroot%%:*}" = "iscsi" ] || continue

+    type parse_iscsi_root >/dev/null 2>&1 || . /lib/net-lib.sh

+    parse_iscsi_root "$nroot" || return 1

+    netroot_enc=$(str_replace "$nroot" '/' '\2f')

     echo "[ -f '/tmp/iscsistarted-$netroot_enc' ]" > $hookdir/initqueue/finished/iscsi_started.sh

-fi

+done

 # Done, all good!

 rootok=1