kexec-tools/spec/kdumpctl_manage_crashkernel...

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#!/bin/bash
Describe 'Management of the kernel crashkernel parameter.'
Include ./kdumpctl
kernel1=/boot/vmlinuz-5.15.6-100.fc34.x86_64
kernel2=/boot/vmlinuz-5.14.14-200.fc34.x86_64
old_ck=1G-4G:162M,4G-64G:256M,64G-:512M
new_ck=1G-4G:196M,4G-64G:256M,64G-:512M
KDUMP_SPEC_TEST_RUN_DIR=$(mktemp -u /tmp/spec_test.XXXXXXXXXX)
GRUB_CFG="$KDUMP_SPEC_TEST_RUN_DIR/grub.cfg"
uname() {
if [[ $1 == '-m' ]]; then
echo -n x86_64
elif [[ $1 == '-r' ]]; then
echo -n $current_kernel
fi
}
# dinfo is a bit complex for unit tets, simply mock it
dinfo() {
echo "$1"
}
kdump_get_arch_recommend_crashkernel() {
echo -n "$new_ck"
}
setup() {
mkdir -p "$KDUMP_SPEC_TEST_RUN_DIR"
cp -r spec/support/boot_load_entries "$KDUMP_SPEC_TEST_RUN_DIR"
cp spec/support/grub_env "$KDUMP_SPEC_TEST_RUN_DIR"/env_temp
touch "$GRUB_CFG"
grubby --args crashkernel=$old_ck --update-kernel=$kernel1
grubby --args crashkernel=$new_ck --update-kernel=$kernel2
grubby --remove-args fadump --update-kernel=ALL
}
cleanup() {
rm -rf "$KDUMP_SPEC_TEST_RUN_DIR"
}
grubby() {
# - --no-etc-grub-update, not update /etc/default/grub
# - --bad-image-okay, don't check the validity of the image
# - --env, specify custom grub2 environment block file to avoid modifying
# the default /boot/grub2/grubenv
# - --bls-directory, specify custom BootLoaderSpec config files to avoid
# modifying the default /boot/loader/entries
@grubby --no-etc-grub-update --grub2 --config-file="$GRUB_CFG" --bad-image-okay --env="$KDUMP_SPEC_TEST_RUN_DIR"/env_temp -b "$KDUMP_SPEC_TEST_RUN_DIR"/boot_load_entries "$@"
}
Describe "When kexec-tools have its default crashkernel updated, "
Context "if kexec-tools is updated alone, "
BeforeAll 'setup'
AfterAll 'cleanup'
Specify 'reset_crashkernel_after_update should report updated kernels and note that auto_reset_crashkernel=yes'
When call reset_crashkernel_after_update
The output should include "For kernel=$kernel1, crashkernel=$new_ck now."
The output should not include "For kernel=$kernel2, crashkernel=$new_ck now."
# A hint on how to turn off auto update of crashkernel
The output should include "auto_reset_crashkernel=no"
End
Specify 'kernel1 should have crashkernel updated'
When call grubby --info $kernel1
The line 3 of output should include crashkernel="$new_ck"
End
Specify 'kernel2 should also have crashkernel updated'
When call grubby --info $kernel2
The line 3 of output should include crashkernel="$new_ck"
End
End
Context "If kernel package is installed alone, "
BeforeAll 'setup'
AfterAll 'cleanup'
# BeforeAll somehow doesn't work as expected, manually call setup to bypass this issue.
setup
new_kernel_ver=new_kernel
new_kernel=/boot/vmlinuz-$new_kernel_ver
grubby --add-kernel=$new_kernel --initrd=/boot/initramfs-$new_kernel_ver.img --title=$new_kernel_ver
Specify 'reset_crashkernel_for_installed_kernel should report the new kernel has its crashkernel updated'
When call reset_crashkernel_for_installed_kernel $new_kernel_ver
The output should include "crashkernel=$new_ck"
End
Specify 'the new kernel should have crashkernel updated'
When call grubby --info $new_kernel
The output should include crashkernel="$new_ck"
End
Specify 'kernel1 keeps its crashkernel value'
When call grubby --info $kernel1
The output should include crashkernel="$old_ck"
End
End
End
End