5 files changed, 156 insertions, 0 deletions
diff --git a/test/TEST-03-USR-MOUNT/Makefile b/test/TEST-03-USR-MOUNT/Makefile
new file mode 100644
index 0000000..2dcab81
--- /dev/null
+++ b/test/TEST-03-USR-MOUNT/Makefile
@@ -0,0 +1 @@
+-include ../Makefile.testdir
diff --git a/test/TEST-03-USR-MOUNT/create-root.sh b/test/TEST-03-USR-MOUNT/create-root.sh
new file mode 100755
index 0000000..411fa99
--- /dev/null
+++ b/test/TEST-03-USR-MOUNT/create-root.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+trap 'poweroff -f' EXIT
+
+# don't let udev and this script step on eachother's toes
+for x in 64-lvm.rules 70-mdadm.rules 99-mount-rules; do
+    : > "/etc/udev/rules.d/$x"
+done
+rm -f -- /etc/lvm/lvm.conf
+udevadm control --reload
+set -e
+
+udevadm settle
+modprobe btrfs || :
+mkfs.btrfs -L dracut /dev/disk/by-id/ata-disk_root
+mkfs.btrfs -L dracutusr /dev/disk/by-id/ata-disk_usr
+btrfs device scan /dev/disk/by-id/ata-disk_root
+btrfs device scan /dev/disk/by-id/ata-disk_usr
+mkdir -p /root
+mount -t btrfs /dev/disk/by-id/ata-disk_root /root
+[ -d /root/usr ] || mkdir -p /root/usr
+mount -t btrfs /dev/disk/by-id/ata-disk_usr /root/usr
+btrfs subvolume create /root/usr/usr
+umount /root/usr
+mount -t btrfs -o subvol=usr /dev/disk/by-id/ata-disk_usr /root/usr
+cp -a -t /root /source/*
+mkdir -p /root/run
+btrfs filesystem sync /root/usr
+btrfs filesystem sync /root
+umount /root/usr
+umount /root
+echo "dracut-root-block-created" | dd oflag=direct,dsync of=/dev/disk/by-id/ata-disk_marker
+poweroff -f
diff --git a/test/TEST-03-USR-MOUNT/fstab b/test/TEST-03-USR-MOUNT/fstab
new file mode 100644
index 0000000..feac57a
--- /dev/null
+++ b/test/TEST-03-USR-MOUNT/fstab
@@ -0,0 +1,2 @@
+/dev/disk/by-id/ata-disk_root	/                       btrfs   defaults         0 0
+/dev/disk/by-id/ata-disk_usr	/usr                    btrfs   subvol=usr,ro    0 0
diff --git a/test/TEST-03-USR-MOUNT/test-init.sh b/test/TEST-03-USR-MOUNT/test-init.sh
new file mode 100755
index 0000000..108e626
--- /dev/null
+++ b/test/TEST-03-USR-MOUNT/test-init.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+: > /dev/watchdog
+
+. /lib/dracut-lib.sh
+
+export PATH=/usr/sbin:/usr/bin:/sbin:/bin
+command -v plymouth > /dev/null 2>&1 && plymouth --quit
+exec > /dev/console 2>&1
+
+echo "dracut-root-block-success" | dd oflag=direct,dsync of=/dev/disk/by-id/ata-disk_marker
+
+export TERM=linux
+export PS1='initramfs-test:\w\$ '
+[ -f /etc/mtab ] || ln -sfn /proc/mounts /etc/mtab
+[ -f /etc/fstab ] || ln -sfn /proc/mounts /etc/fstab
+stty sane
+echo "made it to the rootfs!"
+if getargbool 0 rd.shell; then
+    strstr "$(setsid --help)" "control" && CTTY="-c"
+    setsid $CTTY sh -i
+fi
+echo "Powering down."
+mount -n -o remount,ro /
+poweroff -f
diff --git a/test/TEST-03-USR-MOUNT/test.sh b/test/TEST-03-USR-MOUNT/test.sh
new file mode 100755
index 0000000..69ffda3
--- /dev/null
+++ b/test/TEST-03-USR-MOUNT/test.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+# shellcheck disable=SC2034
+TEST_DESCRIPTION="root filesystem on a btrfs filesystem with /usr subvolume"
+
+# Uncomment this to debug failures
+#DEBUGFAIL="rd.shell rd.break"
+
+client_run() {
+    local test_name="$1"
+    shift
+    local client_opts="$*"
+
+    echo "CLIENT TEST START: $test_name"
+
+    declare -a disk_args=()
+    declare -i disk_index=0
+    qemu_add_drive_args disk_index disk_args "$TESTDIR"/marker.img marker
+    qemu_add_drive_args disk_index disk_args "$TESTDIR"/root.btrfs root
+    qemu_add_drive_args disk_index disk_args "$TESTDIR"/usr.btrfs usr
+
+    test_marker_reset
+    "$testdir"/run-qemu \
+        "${disk_args[@]}" \
+        -device i6300esb -watchdog-action poweroff \
+        -append "panic=1 oops=panic softlockup_panic=1 systemd.crash_reboot root=LABEL=dracut $client_opts loglevel=7 rd.retry=3 rd.info console=ttyS0,115200n81 selinux=0 rd.debug rd.shell=0 $DEBUGFAIL" \
+        -initrd "$TESTDIR"/initramfs.testing || return 1
+
+    if ! test_marker_check; then
+        echo "CLIENT TEST END: $test_name [FAILED]"
+        return 1
+    fi
+    echo "CLIENT TEST END: $test_name [OK]"
+}
+
+test_run() {
+    client_run "no option specified" || return 1
+    client_run "readonly root" "ro" || return 1
+    client_run "writeable root" "rw" || return 1
+}
+
+test_setup() {
+    # Create what will eventually be our root filesystem onto an overlay
+    "$DRACUT" -l --keep --tmpdir "$TESTDIR" \
+        -m "test-root" \
+        -i ./test-init.sh /sbin/init \
+        -i ./fstab /etc/fstab \
+        -i "${PKGLIBDIR}/modules.d/99base/dracut-lib.sh" "/lib/dracut-lib.sh" \
+        -i "${PKGLIBDIR}/modules.d/99base/dracut-dev-lib.sh" "/lib/dracut-dev-lib.sh" \
+        --no-hostonly --no-hostonly-cmdline --nomdadmconf --nohardlink \
+        -f "$TESTDIR"/initramfs.root "$KVERSION" || return 1
+    mkdir -p "$TESTDIR"/overlay/source && mv "$TESTDIR"/dracut.*/initramfs/* "$TESTDIR"/overlay/source && rm -rf "$TESTDIR"/dracut.*
+
+    # second, install the files needed to make the root filesystem
+    # create an initramfs that will create the target root filesystem.
+    # We do it this way so that we do not risk trashing the host mdraid
+    # devices, volume groups, encrypted partitions, etc.
+    "$DRACUT" -l -i "$TESTDIR"/overlay / \
+        -m "test-makeroot" \
+        -I "mkfs.btrfs" \
+        -i ./create-root.sh /lib/dracut/hooks/initqueue/01-create-root.sh \
+        --nomdadmconf \
+        --nohardlink \
+        --no-hostonly-cmdline -N \
+        -f "$TESTDIR"/initramfs.makeroot "$KVERSION" || return 1
+    rm -rf -- "$TESTDIR"/overlay
+
+    # Create the blank file to use as a root filesystem
+    declare -a disk_args=()
+    declare -i disk_index=0
+    qemu_add_drive_args disk_index disk_args "$TESTDIR"/marker.img marker 1
+    qemu_add_drive_args disk_index disk_args "$TESTDIR"/root.btrfs root 160
+    qemu_add_drive_args disk_index disk_args "$TESTDIR"/usr.btrfs usr 160
+
+    # Invoke KVM and/or QEMU to actually create the target filesystem.
+    "$testdir"/run-qemu \
+        "${disk_args[@]}" \
+        -append "root=/dev/dracut/root rw rootfstype=btrfs quiet console=ttyS0,115200n81 selinux=0" \
+        -initrd "$TESTDIR"/initramfs.makeroot || return 1
+
+    if ! test_marker_check dracut-root-block-created; then
+        echo "Could not create root filesystem"
+        return 1
+    fi
+
+    "$DRACUT" -l -i "$TESTDIR"/overlay / \
+        -a "test watchdog" \
+        -o "network kernel-network-modules" \
+        -d "piix ide-gd_mod ata_piix btrfs sd_mod i6300esb ib700wdt" \
+        --no-hostonly-cmdline -N \
+        -f "$TESTDIR"/initramfs.testing "$KVERSION" || return 1
+    rm -rf -- "$TESTDIR"/overlay
+}
+
+# shellcheck disable=SC1090
+. "$testdir"/test-functions