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oeqa/selftest: extend overlayfs test

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Test that overlayfs.bbclass generates one systemd unit, that
applications can set dependencies on, and that this unit mounts all
required overlays

(From OE-Core rev: b0e335268de78cfe163f3cfdc0209ae26309fc78)

Signed-off-by: Vyacheslav Yurkov <uvv.mail@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Vyacheslav Yurkov
2021-10-17 10:08:58 +02:00
committed by Richard Purdie
parent 57979576f3
commit 39f3274dd5
1 changed files with 42 additions and 0 deletions
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42
meta/lib/oeqa/selftest/cases/overlayfs.py
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@@ -149,15 +149,54 @@ WantedBy=multi-user.target
EOT
}
"""
overlayfs_recipe_append = """
OVERLAYFS_WRITABLE_PATHS[mnt-overlay] += "/usr/share/another-overlay-mount"
SYSTEMD_SERVICE:${PN} += " \
my-application.service \
"
do_install:append() {
install -d ${D}${systemd_system_unitdir}
cat <<EOT > ${D}${systemd_system_unitdir}/my-application.service
[Unit]
Description=Sample application start-up unit
After=overlayfs-user-overlays.service
Requires=overlayfs-user-overlays.service
[Service]
Type=oneshot
ExecStart=/bin/true
RemainAfterExit=true
[Install]
WantedBy=multi-user.target
EOT
}
"""
self.write_config(config)
self.add_overlay_conf_to_machine()
self.write_recipeinc('systemd-machine-units', systemd_machine_unit_append)
self.write_recipeinc('overlayfs-user', overlayfs_recipe_append)
bitbake('core-image-minimal')
with runqemu('core-image-minimal') as qemu:
# Check that application service started
status, output = qemu.run_serial("systemctl status my-application")
self.assertTrue("active (exited)" in output, msg=output)
# Check that overlay mounts are dependencies of our application unit
status, output = qemu.run_serial("systemctl list-dependencies my-application")
self.assertTrue("overlayfs-user-overlays.service" in output, msg=output)
status, output = qemu.run_serial("systemctl list-dependencies overlayfs-user-overlays")
self.assertTrue("usr-share-another\\x2doverlay\\x2dmount.mount" in output, msg=output)
self.assertTrue("usr-share-my\\x2dapplication.mount" in output, msg=output)
# Check that we have /mnt/overlay fs mounted as tmpfs and
# /usr/share/my-application as an overlay (see overlayfs-user recipe)
status, output = qemu.run_serial("/bin/mount -t tmpfs,overlay")
@@ -167,3 +206,6 @@ EOT
line = self.getline_qemu(output, "upperdir=/mnt/overlay/upper/usr/share/my-application")
self.assertTrue(line and line.startswith("overlay"), msg=output)
line = self.getline_qemu(output, "upperdir=/mnt/overlay/upper/usr/share/another-overlay-mount")
self.assertTrue(line and line.startswith("overlay"), msg=output)