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summary: Test for interfaces exposing libraries from components on classic userspace
details: Test for interfaces exposing libraries from components on classic userspace
systems: [ubuntu-24*]
environment:
PROVIDER_SNAP: libs-provider
COMP1: comp1
COMP2: comp2
LIBS1_PATH: $COMP1/libs
LIBS2_PATH: $COMP2/libs
prepare: |
snap pack "$PROVIDER_SNAP"
gcc square.c -o libsquare.so -fPIC -shared
gcc multiply.c -o libmultiply.so -fPIC -shared
gcc user.c -lsquare -lmultiply -L. -o user
mkdir -p "$LIBS1_PATH"
cp libsquare.so "$LIBS1_PATH"
snap pack "$COMP1"
mkdir -p "$LIBS2_PATH"
cp libmultiply.so "$LIBS2_PATH"
snap pack "$COMP2"
execute: |
LDCONF_PATH=/etc/ld.so.conf.d/snap.system.conf
COMPS_MNT=/snap/$PROVIDER_SNAP/components/mnt
COMP_MNT1=$COMPS_MNT/$COMP1
COMP_MNT2=$COMPS_MNT/$COMP2
egl_cfg1=/etc/glvnd/egl_vendor.d/17_snap_libs-provider+comp1_egl-driver-libs_egl.d-vendor.json
egl_cfg2=/etc/glvnd/egl_vendor.d/18_snap_libs-provider+comp2_egl-driver-libs_egl.d-vendor.json
export_egl=/var/lib/snapd/export/system_libs-provider_egl-driver-libs_egl-driver-libs.library-source
export_cuda=/var/lib/snapd/export/system_libs-provider_cuda-driver-libs_cuda-driver-libs.library-source
check_config_ok() {
local version=$1
# Check library sharing
MATCH "$COMP_MNT1"/"$version"/libs < "$LDCONF_PATH"
MATCH "$COMP_MNT2"/"$version"/libs < "$LDCONF_PATH"
ldd user | MATCH "$COMP_MNT1"/"$version"/libs/libsquare.so
ldd user | MATCH "$COMP_MNT2"/"$version"/libs/libmultiply.so
./user 2 | MATCH 8
# Export files for snap-confine should exist
for export_f in "$export_egl" "$export_cuda"; do
MATCH "$COMP_MNT1"/"$version"/libs < "$export_f"
MATCH "$COMP_MNT2"/"$version"/libs < "$export_f"
done
# Check symlinks to EGL vendor configuration files
test "$(readlink "$egl_cfg1")" = "$COMP_MNT1"/"$version"/egl.d/vendor.json
test "$(readlink "$egl_cfg2")" = "$COMP_MNT2"/"$version"/egl.d/vendor.json
}
check_no_config() {
# $LDCONF_PATH does not exist if both components are removed, but double
# checking in case there is another snap sharing libraries in the system.
if [ -f "$LDCONF_PATH" ]; then
not MATCH "$COMP_MNT1" < "$LDCONF_PATH"
not MATCH "$COMP_MNT2" < "$LDCONF_PATH"
fi
not stat "$export_egl"
not stat "$export_cuda"
not stat "$egl_cfg1"
not stat "$egl_cfg2"
}
# Install, connect, check
snap install --dangerous "$PROVIDER_SNAP"_1.0_all.snap
snap connect system:cuda-driver-libs "$PROVIDER_SNAP":cuda-driver-libs
snap connect system:egl-driver-libs "$PROVIDER_SNAP":egl-driver-libs
snap install --dangerous "$PROVIDER_SNAP"+"$COMP1"_1.0.comp "$PROVIDER_SNAP"+"$COMP2"_1.0.comp
check_config_ok x1
# Now remove comp1
snap remove "$PROVIDER_SNAP"+"$COMP1"
not MATCH "$COMP_MNT1"/x1/libs < "$LDCONF_PATH"
MATCH "$COMP_MNT2"/x1/libs < "$LDCONF_PATH"
not stat "$egl_cfg1"
test "$(readlink "$egl_cfg2")" = "$COMP_MNT2"/x1/egl.d/vendor.json
# and comp2
snap remove "$PROVIDER_SNAP"+"$COMP2"
not MATCH "$COMP_MNT2"/x1/libs < "$LDCONF_PATH"
not stat "$egl_cfg2"
# Reinstall in one change
snap install --dangerous "$PROVIDER_SNAP"_1.0_all.snap "$PROVIDER_SNAP"+"$COMP1"_1.0.comp "$PROVIDER_SNAP"+"$COMP2"_1.0.comp
check_config_ok x1
# Disconnect interfaces
snap disconnect system:cuda-driver-libs "$PROVIDER_SNAP":cuda-driver-libs
snap disconnect system:egl-driver-libs "$PROVIDER_SNAP":egl-driver-libs
check_no_config
# Re-connect, recheck
snap connect system:cuda-driver-libs "$PROVIDER_SNAP":cuda-driver-libs
snap connect system:egl-driver-libs "$PROVIDER_SNAP":egl-driver-libs
check_config_ok x1
# Reinstall components, recheck
snap install --dangerous "$PROVIDER_SNAP"+"$COMP1"_1.0.comp "$PROVIDER_SNAP"+"$COMP2"_1.0.comp
check_config_ok x2
# Clean up
snap remove "$PROVIDER_SNAP"
check_no_config
|
