deploy: Add --no-merge

All of the underlying libostree APIs have supported passing `NULL`
for a merge deployment for...a long time.  But we never plumbed
it up into the CLI.

Add a `--no-merge` option to aid people who want to do a "factory reset":
https://github.com/ostreedev/ostree/issues/1793
This commit is contained in:
Colin Walters 2020-04-21 19:25:40 +00:00
parent 391ad0ec21
commit 368574b657
4 changed files with 47 additions and 1 deletions

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@ -74,6 +74,7 @@ parallel fcos: {
mkdir -p overrides/rootfs
mv insttree/* overrides/rootfs/
rmdir insttree
coreos-assembler fetch
coreos-assembler build
""")
}

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@ -102,6 +102,7 @@ _installed_or_uninstalled_test_scripts = \
tests/test-admin-deploy-etcmerge-cornercases.sh \
tests/test-admin-deploy-uboot.sh \
tests/test-admin-deploy-grub2.sh \
tests/test-admin-deploy-nomerge.sh \
tests/test-admin-deploy-none.sh \
tests/test-admin-deploy-bootid-gc.sh \
tests/test-admin-instutil-set-kargs.sh \

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@ -37,6 +37,7 @@ static gboolean opt_retain_pending;
static gboolean opt_retain_rollback;
static gboolean opt_not_as_default;
static gboolean opt_no_prune;
static gboolean opt_no_merge;
static char **opt_kernel_argv;
static char **opt_kernel_argv_append;
static gboolean opt_kernel_proc_cmdline;
@ -48,6 +49,7 @@ static GOptionEntry options[] = {
{ "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Use a different operating system root than the current one", "OSNAME" },
{ "origin-file", 0, 0, G_OPTION_ARG_FILENAME, &opt_origin_path, "Specify origin file", "FILENAME" },
{ "no-prune", 0, 0, G_OPTION_ARG_NONE, &opt_no_prune, "Don't prune the repo when done", NULL},
{ "no-merge", 0, 0, G_OPTION_ARG_NONE, &opt_no_merge, "Do not apply configuration (/etc and kernel arguments) from booted deployment", NULL},
{ "retain", 0, 0, G_OPTION_ARG_NONE, &opt_retain, "Do not delete previous deployments", NULL },
{ "stage", 0, 0, G_OPTION_ARG_NONE, &opt_stage, "Complete deployment at OS shutdown", NULL },
{ "retain-pending", 0, 0, G_OPTION_ARG_NONE, &opt_retain_pending, "Do not delete pending deployments", NULL },
@ -113,7 +115,7 @@ ot_admin_builtin_deploy (int argc, char **argv, OstreeCommandInvocation *invocat
return FALSE;
g_autoptr(OstreeDeployment) merge_deployment =
ostree_sysroot_get_merge_deployment (sysroot, opt_osname);
opt_no_merge ? NULL : ostree_sysroot_get_merge_deployment (sysroot, opt_osname);
/* Here we perform cleanup of any leftover data from previous
* partial failures. This avoids having to call

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@ -0,0 +1,42 @@
#!/bin/bash
#
# Copyright (C) 2020 Red Hat, Inc.
#
# 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.
set -euo pipefail
. $(dirname $0)/libtest.sh
# Exports OSTREE_SYSROOT so --sysroot not needed.
setup_os_repository "archive" "syslinux"
${CMD_PREFIX} ostree --repo=sysroot/ostree/repo pull-local --remote=testos testos-repo testos/buildmaster/x86_64-runtime
echo "1..1"
${CMD_PREFIX} ostree admin deploy --os=testos --karg=root=LABEL=foo --karg=testkarg=1 testos:testos/buildmaster/x86_64-runtime
origdeployment=$(${CMD_PREFIX} ostree admin --sysroot=sysroot --print-current-dir)
testconfig=etc/modified-config-file-that-will-be-removed
touch "${origdeployment}"/"${testconfig}"
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf "^options.*root=LABEL=foo.*testkarg"
${CMD_PREFIX} ostree admin deploy --os=testos --no-merge --karg=root=LABEL=bar testos:testos/buildmaster/x86_64-runtime
deployment=$(${CMD_PREFIX} ostree admin --sysroot=sysroot --print-current-dir)
assert_not_streq "${origdeployment}" "${deployment}"
assert_not_has_file "${deployment}/${testconfig}"
assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf "^options root=LABEL=bar"
assert_not_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf "^options .*testkarg"
echo "ok no merge deployment"