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summary: Ensure that the content sharing interface works.
details: |
The content-sharing interface interface allows a snap to access contents from
other snap
A snap which defines the content sharing plug must be shown in the interfaces list.
The plug must be autoconnected on install and, as usual, must be able to be
reconnected.
# slow in autopkgtest (>4m)
backends: [-autopkgtest]
# This test purges the state which causes the device to reinitialize
# with (potentially) a different core snap. Running this on core will
# also trigger a reboot in the middle of the tests because the new
# core will be applied. So skip the test on core devices.
systems: [-ubuntu-core-*]
prepare: |
echo "Ensure an empty state so that installing test-snapd-content-plug"
echo "will pull in test-snapd-content-slot *and* core"
tests.systemd stop-unit snapd.service
rm -f /var/lib/snapd/state.json
# clear cache to prevent it from being used in the download, because that core
# was modified by the prepare suite and will fail to be validated
rm -f /var/lib/snapd/snaps/core_*
systemctl start snapd
snap wait system seed.loaded
execute: |
echo "When a snap declaring a content sharing plug is installed"
snap install --edge test-snapd-content-plug
echo "Then this pulls in the default provider"
snap list | MATCH test-snapd-content-slot
echo "Then the snap is listed as connected"
snap interfaces -i content | grep -Pzq "test-snapd-content-slot:shared-content-slot +test-snapd-content-plug:shared-content-plug"
echo "And fstab files are created"
[ "$(find /var/lib/snapd/mount -type f -name "*.fstab" | wc -l)" -gt 0 ]
echo "And we can use the shared content"
test-snapd-content-plug.content-plug | grep "Some shared content"
echo "And the current mount profile is the same as the desired mount profile"
# Exclude the rootfs line, which is only in the /run/ fstab
grep -v "x-snapd.origin=rootfs" /run/snapd/ns/snap.test-snapd-content-plug.fstab \
| diff -u - /var/lib/snapd/mount/snap.test-snapd-content-plug.fstab
echo "When the plug is disconnected"
snap disconnect test-snapd-content-plug:shared-content-plug test-snapd-content-slot:shared-content-slot
echo "Then the fstab files are removed"
[ "$(find /var/lib/snapd/mount -type f -name "*.fstab" | wc -l)" -eq 0 ]
echo "When the plug is reconnected"
snap connect test-snapd-content-plug:shared-content-plug test-snapd-content-slot:shared-content-slot
echo "Then the fstab files are recreated"
[ "$(find /var/lib/snapd/mount -type f -name "*.fstab" | wc -l)" -gt 0 ]
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