Test that overlayfs.bbclass generates one systemd unit, that
applications can set dependencies on, and that this unit mounts all
required overlays
Signed-off-by: Vyacheslav Yurkov <uvv.m...@gmail.com>
---
meta/lib/oeqa/selftest/cases/overlayfs.py | 42 +++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/meta/lib/oeqa/selftest/cases/overlayfs.py
b/meta/lib/oeqa/selftest/cases/overlayfs.py
index f0c9860b48..84242a1605 100644
--- a/meta/lib/oeqa/selftest/cases/overlayfs.py
+++ b/meta/lib/oeqa/selftest/cases/overlayfs.py
@@ -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)
--
2.28.0
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