dracut/0033.patch

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From b8a92b715677d52dbc2b27a710b9816fd8b9a63b Mon Sep 17 00:00:00 2001
From: Ben Howard <ben.howard@redhat.com>
Date: Fri, 3 Apr 2020 13:32:44 -0600
Subject: [PATCH] multipath: add automatic configuration for multipath
Add support for 'rd.multipath=default' for using the default
configuration on boot. The intended purpose for this is to help support
ostree-based image boots from multipathed devices (such as Fedora and
Red Hat CoreOS).
---
dracut.cmdline.7.asc | 3 +++
modules.d/90multipath/module-setup.sh | 7 +++++--
modules.d/90multipath/multipathd-configure.service | 19 +++++++++++++++++++
modules.d/90multipath/multipathd.sh | 5 +++++
4 files changed, 32 insertions(+), 2 deletions(-)
diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
index 646f1f03..63074353 100644
--- a/dracut.cmdline.7.asc
+++ b/dracut.cmdline.7.asc
@@ -431,6 +431,9 @@ MULTIPATH
**rd.multipath=0**::
disable multipath detection
+**rd.multipath=default**::
+ use default multipath settings
+
FIPS
~~~~
**rd.fips**::
diff --git a/modules.d/90multipath/module-setup.sh b/modules.d/90multipath/module-setup.sh
index 48a9d09a..2bb7444b 100755
--- a/modules.d/90multipath/module-setup.sh
+++ b/modules.d/90multipath/module-setup.sh
@@ -83,11 +83,12 @@ install() {
dmsetup \
kpartx \
mpath_wait \
+ mpathconf \
+ mpathpersist \
multipath \
multipathd \
- mpathpersist \
- xdrgetuid \
xdrgetprio \
+ xdrgetuid \
/etc/xdrdevices.conf \
/etc/multipath.conf \
/etc/multipath/* \
@@ -109,7 +110,9 @@ install() {
fi
if dracut_module_included "systemd"; then
+ inst_simple "${moddir}/multipathd-configure.service" "${systemdsystemunitdir}/multipathd-configure.service"
inst_simple "${moddir}/multipathd.service" "${systemdsystemunitdir}/multipathd.service"
+ systemctl -q --root "$initdir" enable multipathd-configure.service
systemctl -q --root "$initdir" enable multipathd.service
else
inst_hook pre-trigger 02 "$moddir/multipathd.sh"
diff --git a/modules.d/90multipath/multipathd-configure.service b/modules.d/90multipath/multipathd-configure.service
new file mode 100644
index 00000000..de690615
--- /dev/null
+++ b/modules.d/90multipath/multipathd-configure.service
@@ -0,0 +1,19 @@
+[Unit]
+Description=Device-Mapper Multipath Default Configuration
+Before=iscsi.service iscsid.service lvm2-activation-early.service
+Wants=systemd-udev-trigger.service systemd-udev-settle.service local-fs-pre.target
+After=systemd-udev-trigger.service systemd-udev-settle.service
+Before=local-fs-pre.target multipathd.service
+DefaultDependencies=no
+Conflicts=shutdown.target
+
+ConditionKernelCommandLine=rd.multipath=default
+ConditionPathExists=!/etc/multipath.conf
+
+[Service]
+Type=oneshot
+ExecStartPre=-/usr/bin/mkdir -p /etc/multipath/multipath.conf.d
+ExecStart=/usr/sbin/mpathconf --enable
+
+[Install]
+WantedBy=sysinit.target
diff --git a/modules.d/90multipath/multipathd.sh b/modules.d/90multipath/multipathd.sh
index 2c2dcc85..936c5dc7 100755
--- a/modules.d/90multipath/multipathd.sh
+++ b/modules.d/90multipath/multipathd.sh
@@ -1,5 +1,10 @@
#!/bin/sh
+if [ "$(getarg rd.multipath)x" == "default" ] && [ ! -e /etc/multipath.conf ]; then
+ mkdir -p /etc/multipath/multipath.conf.d
+ mpathconf --enable
+fi
+
if getargbool 1 rd.multipath -d -n rd_NO_MULTIPATH && [ -e /etc/multipath.conf ]; then
modprobe dm-multipath
multipathd -B || multipathd