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Support kargs.d directories for default kargs
Add the following config directories for setting default kernel arguments: /etc/ostree/kargs.d (host config) /usr/lib/ostree-boot/kargs.d (base config) These directories contain files whose contents consist of a karg snippet, which is a collection kernel parameter keys and values. Example of a snippet: ``` KEY=VALUE ANOTHERKEY SAMEKEY=VALUE2 FIRSTKEY=1 SAMEKEY=VALUE3 SECONDKEY=2 KEY= KEY.KEY-KEY_KEY="some space-separated values" ``` The bootconfig key `ostree-kargs-generated-from-config` indicates whether the kargs were generated by ostree from the kargs.d directories (`true`), or copied from the previous deployment (`false`). Editing the kargs through the command line (e.g. `ostree admin deploy --karg=`) will set the flag to `false`, and kargs will be copied from the previous deployment for subsequent deployments. Closes: ostreedev#479
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Robert Fairley
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May 23, 2019
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| Original file line number | Diff line number | Diff line change |
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| #!/bin/bash | ||
| # | ||
| # Copyright (C) 2019 Robert Fairley <[email protected]> | ||
| # | ||
| # SPDX-License-Identifier: LGPL-2.0+ | ||
| # | ||
| # This library is free software; you can redistribute it and/or | ||
| # modify it under the terms of the GNU Lesser General Public | ||
| # License as published by the Free Software Foundation; either | ||
| # version 2 of the License, or (at your option) any later version. | ||
| # | ||
| # This library is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| # Lesser General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU Lesser General Public | ||
| # License along with this library; if not, write to the | ||
| # Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
| # Boston, MA 02111-1307, USA. | ||
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| set -euo pipefail | ||
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| . $(dirname $0)/libtest.sh | ||
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| # Exports OSTREE_SYSROOT so --sysroot not needed. | ||
| setup_os_repository "archive" "syslinux" | ||
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| echo "1..7" | ||
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| ${CMD_PREFIX} ostree --repo=sysroot/ostree/repo pull-local --remote=testos testos-repo testos/buildmaster/x86_64-runtime | ||
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| ${CMD_PREFIX} ostree admin deploy --os=testos testos:testos/buildmaster/x86_64-runtime | ||
| assert_has_dir sysroot/boot/ostree/testos-${bootcsum} | ||
| # Check we generate kargs from the kargs.d configs from the first deployment. | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| initial_rev=$(${CMD_PREFIX} ostree --repo=sysroot/ostree/repo rev-parse testos/buildmaster/x86_64-runtime) | ||
| echo "initial_rev=${initial_rev}" | ||
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| # Configure kargs stored in the ostree commit. | ||
| mkdir -p osdata/usr/lib/ostree-boot/kargs.d | ||
| os_tree_write_file "usr/lib/ostree-boot/kargs.d/4000_FOO" "FOO=USR_1" | ||
| os_tree_write_file "usr/lib/ostree-boot/kargs.d/4001_FOO2" "FOO2=USR_2" | ||
| os_repository_commit "testos-repo" | ||
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| # Upgrade to tree with newly-committed kargs files. | ||
| ${CMD_PREFIX} ostree --repo=sysroot/ostree/repo remote add --set=gpg-verify=false testos file://$(pwd)/testos-repo testos/buildmaster/x86_64-runtime | ||
| ${CMD_PREFIX} ostree admin upgrade --os=testos | ||
| # Sanity check a new boot directory was created after upgrading. | ||
| assert_has_dir sysroot/boot/ostree/testos-${bootcsum} | ||
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| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*FOO=USR_1.*FOO2=USR_2' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs base config" | ||
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| # Configure kargs stored in the default configuration (/usr/etc). | ||
| mkdir -p osdata/usr/etc/ostree/kargs.d | ||
| os_tree_write_file "usr/etc/ostree/kargs.d/8000_MOO" "MOO=ETC_USR_1" | ||
| os_tree_write_file "usr/etc/ostree/kargs.d/8001_MOO2" "MOO2=ETC_USR_2" | ||
| os_repository_commit "testos-repo" | ||
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| ${CMD_PREFIX} ostree admin upgrade --os=testos | ||
| assert_has_dir sysroot/boot/ostree/testos-${bootcsum} | ||
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| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*FOO=USR_1.*FOO2=USR_2.*MOO=ETC_USR_1.*MOO2=ETC_USR_2' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs default config" | ||
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| # Configure kargs through the host config file. | ||
| rev=$(${CMD_PREFIX} ostree --repo=sysroot/ostree/repo rev-parse testos/buildmaster/x86_64-runtime) | ||
| echo "rev=${rev}" | ||
| etc=sysroot/ostree/deploy/testos/deploy/${rev}.0/etc | ||
| assert_has_dir ${etc} | ||
| mkdir -p ${etc}/ostree/kargs.d | ||
| # Configure a new karg (append). | ||
| echo "HELLO=ETC_1" > ${etc}/ostree/kargs.d/2000_HELLO | ||
| # Overwrite existing karg from /usr/etc/ostree/kargs.d (replace). | ||
| echo "MOO=ETC_2" > ${etc}/ostree/kargs.d/8000_MOO | ||
| # Overwrite existing karg from /usr/lib/ostree-boot/kargs.d (replace). | ||
| echo "FOO=ETC_3" > ${etc}/ostree/kargs.d/4000_FOO | ||
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| # Re-deploy with host-configured kernel args. | ||
| ${CMD_PREFIX} ostree admin deploy --os=testos testos:testos/buildmaster/x86_64-runtime | ||
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| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*HELLO=ETC_1.*FOO=ETC_3.*FOO2=USR_2.*MOO=ETC_2.*MOO2=ETC_USR_2' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'MOO=ETC_USR_1' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'FOO=USR_1' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs host config" | ||
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| rev=$(${CMD_PREFIX} ostree --repo=sysroot/ostree/repo rev-parse testos/buildmaster/x86_64-runtime) | ||
| echo "rev=${rev}" | ||
| etc=sysroot/ostree/deploy/testos/deploy/${rev}.1/etc | ||
| mkdir -p ${etc}/ostree/kargs.d | ||
| # Clear base kargs by writing an empty file which overrides them (delete). | ||
| echo "" > ${etc}/ostree/kargs.d/8000_MOO | ||
| echo "" > ${etc}/ostree/kargs.d/4000_FOO | ||
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| ${CMD_PREFIX} ostree admin deploy --os=testos testos:testos/buildmaster/x86_64-runtime | ||
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| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*HELLO=ETC_1.*FOO2=USR_2.*MOO2=ETC_USR_2' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'MOO\>' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'FOO\>' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs delete empty file" | ||
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| rev=$(${CMD_PREFIX} ostree --repo=sysroot/ostree/repo rev-parse testos/buildmaster/x86_64-runtime) | ||
| echo "rev=${rev}" | ||
| etc=sysroot/ostree/deploy/testos/deploy/${rev}.2/etc | ||
| mkdir -p ${etc}/ostree/kargs.d | ||
| rm ${etc}/ostree/kargs.d/8000_MOO | ||
| rm ${etc}/ostree/kargs.d/4000_FOO | ||
| # Clear base kargs by symlinking to /dev/null. | ||
| ln -s /dev/null ${etc}/ostree/kargs.d/8000_MOO | ||
| ln -s /dev/null ${etc}/ostree/kargs.d/4000_FOO | ||
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| ${CMD_PREFIX} ostree admin deploy --os=testos testos:testos/buildmaster/x86_64-runtime | ||
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| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*HELLO=ETC_1.*FOO2=USR_2.*MOO2=ETC_USR_2' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'MOO\>' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'FOO\>' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs delete /dev/null" | ||
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| ${CMD_PREFIX} ostree admin upgrade --os=testos --allow-downgrade --override-commit=${initial_rev} | ||
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| # Only the config in /etc/ostree/kargs.d remains. | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*HELLO=ETC_1' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'MOO=ETC_USR_1' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'MOO2=ETC_USR_2' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'FOO=USR_1' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'FOO2=USR_2' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs downgrade" | ||
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| ${CMD_PREFIX} ostree admin deploy --os=testos --karg-append=TESTARG=TESTVALUE testos:testos/buildmaster/x86_64-runtime | ||
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| # Check we carry over previous deployment kargs, after passing in a kargs | ||
| # override. | ||
| assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*HELLO=ETC_1.*TESTARG=TESTVALUE' | ||
| # Check we won't regenerate from the config again. | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree-kargs-generated-from-config.*true' | ||
| assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'ostree.*options.*generated from.*kargs\.d' | ||
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| echo "ok default kargs overridden" |
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