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When creating the container, copy the configuration file to the configuration tree. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/*
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* lxc: linux Container library
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*
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* (C) Copyright IBM Corp. 2007, 2008
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*
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* Authors:
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* Daniel Lezcano <dlezcano at fr.ibm.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <libgen.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/param.h>
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#include <sys/utsname.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <lxc/lxc.h>
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#include "confile.h"
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#include "arguments.h"
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lxc_log_define(lxc_create, lxc);
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static int my_parser(struct lxc_arguments* args, int c, char* arg)
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{
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switch (c) {
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case 'f': args->rcfile = arg; break;
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}
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return 0;
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}
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static const struct option my_longopts[] = {
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{"rcfile", required_argument, 0, 'f'},
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LXC_COMMON_OPTIONS
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};
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static struct lxc_arguments my_args = {
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.progname = "lxc-create",
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.help = "\
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--name=NAME\n\
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\n\
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lxc-create creates a container with the identifier NAME\n\
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\n\
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Options :\n\
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-n, --name=NAME NAME for name of the container\n\
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-f, --rcfile=FILE Load configuration file FILE\n",
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.options = my_longopts,
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.parser = my_parser,
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.checker = NULL,
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};
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static int copy_config_file(const char *name, const char *file)
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{
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char *src;
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int ret;
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if (!asprintf(&src, LXCPATH "/%s/config", name)) {
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ERROR("failed to allocate memory");
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return -1;
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}
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ret = lxc_copy_file(file, src);
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if (ret)
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ERROR("failed to copy '%s' to '%s'", file, src);
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free(src);
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return ret;
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}
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int main(int argc, char *argv[])
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{
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struct lxc_conf lxc_conf;
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int ret;
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ret = lxc_arguments_parse(&my_args, argc, argv);
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if (ret)
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return -1;
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if (lxc_log_init(my_args.log_file, my_args.log_priority,
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my_args.progname, my_args.quiet))
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return -1;
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if (lxc_conf_init(&lxc_conf))
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return -1;
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if (my_args.rcfile && lxc_config_read(my_args.rcfile, &lxc_conf)) {
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ERROR("failed to read the configuration file");
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return -1;
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}
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if (lxc_create(my_args.name, &lxc_conf)) {
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ERROR("failed to create the container");
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return -1;
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}
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if (my_args.rcfile && copy_config_file(my_args.name, my_args.rcfile)) {
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ERROR("failed to copy the configuration file");
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lxc_destroy(my_args.name);
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return -1;
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}
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INFO("'%s' created", my_args.name);
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return 0;
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}
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