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5e8deb94c6
Allow to setup new bind mounts for a service at runtime (via either DBUS or a new 'systemctl bind' verb) with a new helper that forks into the unit's mount namespace. Add a new integration test to cover this. Useful for zero-downtime addition to services that are running inside mount namespaces, especially when using RootImage/RootDirectory. If a service runs with a read-only root, a tmpfs is added on /run to ensure we can create the airlock directory for incoming mounts under /run/host/incoming.
44 lines
1.1 KiB
Bash
Executable File
44 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -ex
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echo "MARKER_FIXED" > /run/testservice-57-fixed
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mkdir -p /run/inaccessible
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systemctl start testsuite-57-namespaced.service
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# Ensure that inaccessible paths aren't bypassed by the runtime setup
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set +e
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systemctl bind --mkdir testsuite-57-namespaced.service /run/testservice-57-fixed /run/inaccessible/testfile_fixed && exit 1
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set -e
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echo "MARKER_RUNTIME" > /run/testservice-57-runtime
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systemctl bind --mkdir testsuite-57-namespaced.service /run/testservice-57-runtime /tmp/testfile_runtime
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while systemctl show -P SubState testsuite-57-namespaced.service | grep -q running
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do
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sleep 0.1
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done
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systemctl is-active testsuite-57-namespaced.service
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# Now test that systemctl bind fails when attempted on a non-namespaced unit
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systemctl start testsuite-57-non-namespaced.service
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set +e
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systemctl bind --mkdir testsuite-57-non-namespaced.service /run/testservice-57-runtime /tmp/testfile_runtime && exit 1
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set -e
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while systemctl show -P SubState testsuite-57-non-namespaced.service | grep -q running
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do
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sleep 0.1
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done
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set +e
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systemctl is-active testsuite-57-non-namespaced.service && exit 1
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set -e
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echo OK > /testok
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exit 0
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