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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2012,2013 Colin Walters <walters@verbum.org>
*
* 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.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ot-main.h"
#include "ot-admin-builtins.h"
#include "ot-admin-functions.h"
#include "ostree.h"
#include "otutil.h"
#include "../libostree/ostree-kernel-args.h"
#include <glib/gi18n.h>
static gboolean opt_retain;
static char **opt_kernel_argv;
static char **opt_kernel_argv_append;
static gboolean opt_kernel_proc_cmdline;
static char *opt_osname;
static char *opt_origin_path;
/* ATTENTION:
* Please remember to update the bash-completion script (bash/ostree) and
* man page (man/ostree-admin-deploy.xml) when changing the option list.
*/
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" },
{ "retain", 0, 0, G_OPTION_ARG_NONE, &opt_retain, "Do not delete previous deployment", NULL },
{ "karg-proc-cmdline", 0, 0, G_OPTION_ARG_NONE, &opt_kernel_proc_cmdline, "Import current /proc/cmdline", NULL },
{ "karg", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_kernel_argv, "Set kernel argument, like root=/dev/sda1; this overrides any earlier argument with the same name", "NAME=VALUE" },
{ "karg-append", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_kernel_argv_append, "Append kernel argument; useful with e.g. console= that can be used multiple times", "NAME=VALUE" },
{ NULL }
};
gboolean
ot_admin_builtin_deploy (int argc, char **argv, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
const char *refspec;
g_autoptr(GOptionContext) context = NULL;
g_autoptr(OstreeSysroot) sysroot = NULL;
g_autoptr(GKeyFile) origin = NULL;
g_autoptr(OstreeRepo) repo = NULL;
g_autoptr(OstreeDeployment) new_deployment = NULL;
g_autoptr(OstreeDeployment) merge_deployment = NULL;
g_autofree char *revision = NULL;
__attribute__((cleanup(_ostree_kernel_args_cleanup))) OstreeKernelArgs *kargs = NULL;
context = g_option_context_new ("REFSPEC - Checkout revision REFSPEC as the new default deployment");
if (!ostree_admin_option_context_parse (context, options, &argc, &argv,
OSTREE_ADMIN_BUILTIN_FLAG_SUPERUSER,
&sysroot, cancellable, error))
goto out;
if (argc < 2)
{
ot_util_usage_error (context, "REF/REV must be specified", error);
goto out;
}
refspec = argv[1];
if (!ostree_sysroot_load (sysroot, cancellable, error))
goto out;
if (!ostree_sysroot_get_repo (sysroot, &repo, cancellable, error))
goto out;
/* Find the currently booted deployment, if any; we will ensure it
* is present in the new deployment list.
*/
if (!ot_admin_require_booted_deployment_or_osname (sysroot, opt_osname,
cancellable, error))
{
g_prefix_error (error, "Looking for booted deployment: ");
goto out;
}
if (opt_origin_path)
{
origin = g_key_file_new ();
if (!g_key_file_load_from_file (origin, opt_origin_path, 0, error))
goto out;
}
else
{
origin = ostree_sysroot_origin_new_from_refspec (sysroot, refspec);
}
if (!ostree_repo_resolve_rev (repo, refspec, FALSE, &revision, error))
goto out;
merge_deployment = 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
* glnx_shutil_rm_rf_at() at random points throughout the process.
*
* TODO: Add /ostree/transaction file, and only do this cleanup if
* we find it.
*/
if (!ostree_sysroot_prepare_cleanup (sysroot, cancellable, error))
{
g_prefix_error (error, "Performing initial cleanup: ");
goto out;
}
kargs = _ostree_kernel_args_new ();
/* If they want the current kernel's args, they very likely don't
* want the ones from the merge.
*/
if (opt_kernel_proc_cmdline)
{
if (!_ostree_kernel_args_append_proc_cmdline (kargs, cancellable, error))
goto out;
}
else if (merge_deployment)
{
OstreeBootconfigParser *bootconfig = ostree_deployment_get_bootconfig (merge_deployment);
g_auto(GStrv) previous_args = g_strsplit (ostree_bootconfig_parser_get (bootconfig, "options"), " ", -1);
_ostree_kernel_args_append_argv (kargs, previous_args);
}
if (opt_kernel_argv)
{
_ostree_kernel_args_replace_argv (kargs, opt_kernel_argv);
}
if (opt_kernel_argv_append)
{
_ostree_kernel_args_append_argv (kargs, opt_kernel_argv_append);
}
{
g_auto(GStrv) kargs_strv = _ostree_kernel_args_to_strv (kargs);
if (!ostree_sysroot_deploy_tree (sysroot,
opt_osname, revision, origin,
merge_deployment, kargs_strv,
&new_deployment,
cancellable, error))
goto out;
}
if (!ostree_sysroot_simple_write_deployment (sysroot, opt_osname,
new_deployment, merge_deployment,
opt_retain ? OSTREE_SYSROOT_SIMPLE_WRITE_DEPLOYMENT_FLAGS_RETAIN : 0,
cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
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