libvirt/src/lxc_conf.c

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/*
* Copyright IBM Corp. 2008
*
* lxc_conf.c: config functions for managing linux containers
*
* Authors:
* David L. Leskovec <dlesko at linux.vnet.ibm.com>
*
* 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 2.1 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
*
*/
/* includes */
#include <config.h>
#include <sys/utsname.h>
#include "lxc_conf.h"
/* debug macros */
#define DEBUG(fmt,...) VIR_DEBUG(__FILE__, fmt, __VA_ARGS__)
#define DEBUG0(msg) VIR_DEBUG(__FILE__, "%s", msg)
/* Functions */
void lxcError(virConnectPtr conn, virDomainPtr dom, int code,
const char *fmt, ...)
{
va_list args;
char errorMessage[1024];
const char *codeErrorMessage;
if (fmt) {
va_start(args, fmt);
vsnprintf(errorMessage, sizeof(errorMessage)-1, fmt, args);
va_end(args);
} else {
errorMessage[0] = '\0';
}
codeErrorMessage = __virErrorMsg(code, fmt);
__virRaiseError(conn, dom, NULL, VIR_FROM_LXC, code, VIR_ERR_ERROR,
codeErrorMessage, errorMessage, NULL, 0, 0,
codeErrorMessage, errorMessage);
}
virCapsPtr lxcCapsInit(void)
{
struct utsname utsname;
virCapsPtr caps;
virCapsGuestPtr guest;
uname(&utsname);
if ((caps = virCapabilitiesNew(utsname.machine,
0, 0)) == NULL)
goto no_memory;
if ((guest = virCapabilitiesAddGuest(caps,
"exe",
utsname.machine,
sizeof(int) == 4 ? 32 : 8,
BINDIR "/libvirt_lxc",
NULL,
0,
NULL)) == NULL)
goto no_memory;
if (virCapabilitiesAddGuestDomain(guest,
"lxc",
NULL,
NULL,
0,
NULL) == NULL)
goto no_memory;
return caps;
no_memory:
virCapabilitiesFree(caps);
return NULL;
}
int lxcLoadDriverConfig(lxc_driver_t *driver)
{
/* Set the container configuration directory */
if ((driver->configDir = strdup(LXC_CONFIG_DIR)) == NULL)
goto no_memory;
if ((driver->stateDir = strdup(LXC_STATE_DIR)) == NULL)
goto no_memory;
if ((driver->logDir = strdup(LXC_LOG_DIR)) == NULL)
goto no_memory;
return 0;
no_memory:
lxcError(NULL, NULL, VIR_ERR_NO_MEMORY, "configDir");
return -1;
}