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861afa7509
This patch adds a test based on real world usage of runc hooks (libnvidia-container). We verify that mounting a library inside a container and running ldconfig succeeds. Signed-off-by: Renaud Gaubert <rgaubert@nvidia.com>
64 lines
2.0 KiB
Bash
64 lines
2.0 KiB
Bash
#!/usr/bin/env bats
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load helpers
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# CR = CreateRuntime
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# CC = CreataContainer
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HOOKLIBCR=librunc-hooks-create-runtime.so
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HOOKLIBCC=librunc-hooks-create-container.so
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LIBPATH="$DEBIAN_BUNDLE/rootfs/lib/"
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function setup() {
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umount $LIBPATH/$HOOKLIBCR.1.0.0 &> /dev/null || true
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umount $LIBPATH/$HOOKLIBCC.1.0.0 &> /dev/null || true
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teardown_debian
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setup_debian
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}
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function teardown() {
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umount $LIBPATH/$HOOKLIBCR.1.0.0 &> /dev/null || true
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umount $LIBPATH/$HOOKLIBCC.1.0.0 &> /dev/null || true
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rm -f $HOOKLIBCR.1.0.0 $HOOKLIBCC.1.0.0
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teardown_debian
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}
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@test "runc run (hooks library tests)" {
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requires root
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requires no_systemd
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# setup some dummy libs
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gcc -shared -Wl,-soname,librunc-hooks-create-runtime.so.1 -o "$HOOKLIBCR.1.0.0"
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gcc -shared -Wl,-soname,librunc-hooks-create-container.so.1 -o "$HOOKLIBCC.1.0.0"
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current_pwd="$(pwd)"
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# To mount $HOOKLIBCR we need to do that in the container namespace
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create_runtime_hook=$(cat <<-EOF
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pid=\$(cat - | jq -r '.pid')
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touch "$LIBPATH/$HOOKLIBCR.1.0.0"
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nsenter -m \$ns -t \$pid mount --bind "$current_pwd/$HOOKLIBCR.1.0.0" "$LIBPATH/$HOOKLIBCR.1.0.0"
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EOF)
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create_container_hook="touch ./lib/$HOOKLIBCC.1.0.0 && mount --bind $current_pwd/$HOOKLIBCC.1.0.0 ./lib/$HOOKLIBCC.1.0.0"
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CONFIG=$(jq --arg create_runtime_hook "$create_runtime_hook" --arg create_container_hook "$create_container_hook" '
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.hooks |= . + {"createRuntime": [{"path": "/bin/sh", "args": ["/bin/sh", "-c", $create_runtime_hook]}]} |
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.hooks |= . + {"createContainer": [{"path": "/bin/sh", "args": ["/bin/sh", "-c", $create_container_hook]}]} |
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.hooks |= . + {"startContainer": [{"path": "/bin/sh", "args": ["/bin/sh", "-c", "ldconfig"]}]} |
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.process.args = ["/bin/sh", "-c", "ldconfig -p | grep librunc"]' $DEBIAN_BUNDLE/config.json)
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echo "${CONFIG}" > config.json
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runc run test_debian
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[ "$status" -eq 0 ]
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echo "Checking create-runtime library"
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echo $output | grep $HOOKLIBCR
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[ "$?" -eq 0 ]
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echo "Checking create-container library"
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echo $output | grep $HOOKLIBCC
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[ "$?" -eq 0 ]
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}
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