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summary: Ensure the system handles properly a big number of snap provided connections
details: |
Install a test snap that plugs as many snap provided interfaces as is
possible and verify the command can run. This will help catch performance
issues in snapd, AppArmor,seccomp policy parsing, etc.
environment:
CONSUMER_SNAP: test-snapd-policy-app-consumer
execute: |
PROVIDER_SNAP="test-snapd-policy-app-provider-classic"
if os.query is-core; then
PROVIDER_SNAP="test-snapd-policy-app-provider-core"
fi
echo "Given a snap is installed"
"$TESTSTOOLS"/snaps-state install-local "$PROVIDER_SNAP"
"$TESTSTOOLS"/snaps-state install-local "$CONSUMER_SNAP"
echo "For each snap-provided slot from $PROVIDER_SNAP"
SNAP_MOUNT_DIR="$(os.paths snap-mount-dir)"
for slotcmd in "$SNAP_MOUNT_DIR"/bin/"$PROVIDER_SNAP".* ; do
slotcmd_bn=$(basename "$slotcmd")
slot_iface=$(echo "$slotcmd_bn" | tr '.' ':')
#shellcheck disable=SC2001
plugcmd=$(echo "$slotcmd" | sed "s/$PROVIDER_SNAP/$CONSUMER_SNAP/")
plugcmd_bn=$(basename "$plugcmd")
plug_iface=$(echo "$plugcmd_bn" | tr '.' ':')
CONNECTED_PATTERN="$slot_iface +$CONSUMER_SNAP"
echo "When slot $slot_iface is connected"
snap connect "$plug_iface" "$slot_iface"
snap interfaces | MATCH "$CONNECTED_PATTERN"
echo "Then $slotcmd should succeed"
"$slotcmd" | MATCH PASS
echo "Then $plugcmd should succeed"
"$plugcmd" | MATCH PASS
echo "Finally disconnect the interface"
if [ "$DISCONNECT_INTERFACES" == true ]; then
snap disconnect "$plug_iface" "$slot_iface"
fi
done
echo "Removing the consumer snap"
# When DISCONNECT_INTERFACES = false, then all the interfaces are connected and
# are disconnected suring the snap removal
PROVIDER_SNAP="test-snapd-policy-app-provider-classic"
if os.query is-core; then
PROVIDER_SNAP="test-snapd-policy-app-provider-core"
fi
snap remove --purge "$PROVIDER_SNAP"
snap remove --purge "$CONSUMER_SNAP"
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