test/TEST-08-ISSUE-2730/test.sh

#!/usr/bin/env bash
set -e
TEST_DESCRIPTION="https://github.com/systemd/systemd/issues/2730"
TEST_NO_NSPAWN=1

. $TEST_BASE_DIR/test-functions
QEMU_TIMEOUT=300
FSTYPE=ext4

test_setup() {
    create_empty_image_rootdir

    # Create what will eventually be our root filesystem onto an overlay
    (
        LOG_LEVEL=5
        eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)

        setup_basic_environment

        # setup the testsuite service
        cat >$initdir/etc/systemd/system/testsuite.service <<EOF
[Unit]
Description=Testsuite service

[Service]
ExecStart=/bin/sh -x -c 'mount -o remount,rw /dev/sda1 && echo OK > /testok; systemctl poweroff'
Type=oneshot
EOF

    rm $initdir/etc/fstab
    cat >$initdir/etc/systemd/system/-.mount <<EOF
[Unit]
Before=local-fs.target

[Mount]
What=/dev/sda1
Where=/
Type=ext4
Options=errors=remount-ro,noatime

[Install]
WantedBy=local-fs.target
Alias=root.mount
EOF

    cat >$initdir/etc/systemd/system/systemd-remount-fs.service <<EOF
[Unit]
DefaultDependencies=no
Conflicts=shutdown.target
After=systemd-fsck-root.service
Before=local-fs-pre.target local-fs.target shutdown.target
Wants=local-fs-pre.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/systemctl reload /
EOF

        setup_testsuite
    )

    ln -s /etc/systemd/system/-.mount $initdir/etc/systemd/system/root.mount
    mkdir -p $initdir/etc/systemd/system/local-fs.target.wants
    ln -s /etc/systemd/system/-.mount $initdir/etc/systemd/system/local-fs.target.wants/-.mount

    mask_supporting_services
}

do_test "$@"