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f40b9595a1
* tets: remove support for centos-7 Centos-7 is EOL since June-30 Signed-off-by: Sergio Cazzolato <sergio.cazzolato@canonical.com> * update the release_tst.go with the real centos 9 info --------- Signed-off-by: Sergio Cazzolato <sergio.cazzolato@canonical.com>
95 lines
3.6 KiB
YAML
95 lines
3.6 KiB
YAML
summary: Ensure that the kernel-module-load interface works.
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details: |
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The kernel-module-load interface allows to statically control kernel module
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loading in a way that can be constrained via snap-declaration.
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environment:
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SNAP_NAME: test-snapd-kernel-module-load
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prepare: |
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"$TESTSTOOLS"/snaps-state install-local $SNAP_NAME
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restore: |
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echo "Ensure snap is removed even if something goes wrong"
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snap remove "$SNAP_NAME"
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modprobe -r xcbc md4 vmac || true
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execute: |
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echo "When the interface is connected"
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snap connect "$SNAP_NAME:kernel-module-load"
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echo "Then the kernel modules are configured"
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MODPROBE_CONF="/etc/modprobe.d/snap.$SNAP_NAME.conf"
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MATCH "blacklist mymodule" < "$MODPROBE_CONF"
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MATCH "blacklist other_module" < "$MODPROBE_CONF"
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MATCH "options bfq slice_idle_us=20 strict_guarantees=1" < "$MODPROBE_CONF"
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NOMATCH "blacklist bfq" < "$MODPROBE_CONF"
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NOMATCH "pcspkr" < "$MODPROBE_CONF"
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MATCH "options md4 something=ok" < "$MODPROBE_CONF"
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# This has the "*" value for the options: no entry should be written:
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NOMATCH "vmac" < "$MODPROBE_CONF"
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echo "And modules are configured to be auto-loaded"
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MODULES_LOAD_CONF="/etc/modules-load.d/snap.$SNAP_NAME.conf"
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MATCH "bfq" < "$MODULES_LOAD_CONF"
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MATCH "arc4" < "$MODULES_LOAD_CONF"
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NOMATCH "mymodule" < "$MODULES_LOAD_CONF"
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NOMATCH "md4" < "$MODULES_LOAD_CONF"
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NOMATCH "vmac" < "$MODULES_LOAD_CONF"
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echo "Test dynamic loading of kernel modules"
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test-snapd-kernel-module-load.cmd snapctl kmod insert xcbc
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test-snapd-kernel-module-load.cmd snapctl kmod insert md4
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test-snapd-kernel-module-load.cmd snapctl kmod insert vmac
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MATCH "^xcbc " < /proc/modules
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MATCH "^md4 " < /proc/modules
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MATCH "^vmac " < /proc/modules
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echo "Test unloading"
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test-snapd-kernel-module-load.cmd snapctl kmod remove xcbc
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test-snapd-kernel-module-load.cmd snapctl kmod remove md4
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test-snapd-kernel-module-load.cmd snapctl kmod remove vmac
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NOMATCH "^xcbc " < /proc/modules
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NOMATCH "^md4 " < /proc/modules
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NOMATCH "^vmac " < /proc/modules
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echo "Test loading with options"
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if test-snapd-kernel-module-load.cmd snapctl kmod insert xcbc option=value; then
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echo "Should not be able to specify parameters for xcbc module!"
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exit 1
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fi
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# Even if the options match those from the interface, we don't allow them
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if test-snapd-kernel-module-load.cmd snapctl kmod insert md4 something=ok; then
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echo "Should not be able to specify parameters for md4 module!"
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exit 1
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fi
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test-snapd-kernel-module-load.cmd snapctl kmod insert vmac opt1=v1 opt2=v2
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MATCH "^vmac " < /proc/modules
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echo "Disconnect the interface"
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snap disconnect "$SNAP_NAME:kernel-module-load"
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echo "and verify that module configuration files are gone"
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test ! -f "$MODPROBE_CONF"
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test ! -f "$MODULES_LOAD_CONF"
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echo "Check that snapctl cannot be invoked with the disconnected interface"
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test-snapd-kernel-module-load.cmd snapctl kmod insert xcbc 2>&1 \
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| MATCH ".*cannot load module \"xcbc\": required interface not connected"
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# Now we want to verify that removing the snap does not leave any leftovers
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echo "Reconnect the interface"
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snap connect "$SNAP_NAME:kernel-module-load"
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echo "Configuration files have been recreated"
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test -f "$MODPROBE_CONF"
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test -f "$MODULES_LOAD_CONF"
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echo "Uninstall the snap"
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snap remove "$SNAP_NAME"
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echo "verify that module configuration files are gone"
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test ! -f "$MODPROBE_CONF"
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test ! -f "$MODULES_LOAD_CONF"
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