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/*
* Copyright (c) 2018 Alexandre Fournier <alexandre.fournier@kiplink.fr>, Kiplink
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <confuse.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "genimage.h"
struct qemu {
const char *format;
const char *extraargs;
};
static int qemu_generate(struct image *image)
{
struct partition *part;
struct qemu *qemu = image->handler_priv;
char *partitions = NULL;
int ret;
list_for_each_entry(part, &image->partitions, list) {
struct image *child;
const char *infile;
if (!part->image) {
image_debug(image, "skipping partition %s\n",
part->name);
continue;
}
image_info(image, "adding partition %s from %s ...\n",
part->name, part->image);
child = image_get(part->image);
infile = imageoutfile(child);
if (!partitions)
xasprintf(&partitions, "'%s'", infile);
else
xasprintf(&partitions, "%s '%s'", partitions, infile);
}
ret = systemp(image, "qemu-img convert %s -O %s %s '%s'",
qemu->extraargs,
qemu->format,
partitions,
imageoutfile(image));
return ret;
}
static int qemu_setup(struct image *image, cfg_t *cfg)
{
struct qemu *qemu = xzalloc(sizeof(*qemu));
struct partition *part;
int partitions_count = 0;
list_for_each_entry(part, &image->partitions, list) {
if (part->image)
partitions_count++;
}
if (partitions_count == 0) {
image_error(image, "no partition given\n");
return -EINVAL;
}
qemu->format = cfg_getstr(cfg, "format");
qemu->extraargs = cfg_getstr(cfg, "extraargs");
image->handler_priv = qemu;
return 0;
}
static cfg_opt_t qemu_opts[] = {
CFG_STR("format", "qcow2", CFGF_NONE),
CFG_STR("extraargs", "", CFGF_NONE),
CFG_END()
};
struct image_handler qemu_handler = {
.type = "qemu",
.no_rootpath = cfg_true,
.generate = qemu_generate,
.setup = qemu_setup,
.opts = qemu_opts,
};
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