static int
lxcSetBlkioTune(virDomainDefPtr def, virConfPtr properties)
{
virConfValuePtr value;
if ((value = virConfGetValue(properties, "lxc.cgroup.blkio.weight")) &&
value->str && virStrToLong_ui(value->str, NULL, 10,
&def->blkio.weight) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to parse integer: '%s'"), value->str);
return -1;
}
if (virConfWalk(properties, lxcBlkioDeviceWalkCallback, def) < 0)
return -1;
return 0;
}
static int
lxcSetBlkioTune(virDomainDefPtr def, virConfPtr properties)
{
VIR_AUTOFREE(char *) value = NULL;
if (virConfGetValueString(properties, "lxc.cgroup.blkio.weight",
&value) > 0) {
if (virStrToLong_ui(value, NULL, 10, &def->blkio.weight) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to parse integer: '%s'"), value);
return -1;
}
}
if (virConfWalk(properties, lxcBlkioDeviceWalkCallback, def) < 0)
return -1;
return 0;
}
static int
lxcConvertNetworkSettings(virDomainDefPtr def, virConfPtr properties)
{
int status;
int result = -1;
size_t i;
lxcNetworkParseData data = {def, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, 0,
NULL, NULL, true, 0};
if (virConfWalk(properties, lxcNetworkWalkCallback, &data) < 0)
goto error;
/* Add the last network definition found */
status = lxcAddNetworkDefinition(&data);
if (status < 0)
goto error;
else if (status > 0)
data.networks++;
else if (data.type != NULL && STREQ(data.type, "none"))
data.privnet = false;
if (data.networks == 0 && data.privnet) {
/* When no network type is provided LXC only adds loopback */
def->features[VIR_DOMAIN_FEATURE_PRIVNET] = VIR_TRISTATE_SWITCH_ON;
}
result = 0;
return result;
error:
for (i = 0; i < data.nips; i++)
VIR_FREE(data.ips[i]);
VIR_FREE(data.ips);
return -1;
}
virDomainDefPtr
lxcParseConfigString(const char *config,
virCapsPtr caps,
virDomainXMLOptionPtr xmlopt)
{
virDomainDefPtr vmdef = NULL;
virConfPtr properties = NULL;
virConfValuePtr value;
if (!(properties = virConfReadMem(config, 0, VIR_CONF_FLAG_LXC_FORMAT)))
return NULL;
if (!(vmdef = virDomainDefNew()))
goto error;
if (virUUIDGenerate(vmdef->uuid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to generate uuid"));
goto error;
}
vmdef->id = -1;
virDomainDefSetMemoryTotal(vmdef, 64 * 1024);
vmdef->onReboot = VIR_DOMAIN_LIFECYCLE_RESTART;
vmdef->onCrash = VIR_DOMAIN_LIFECYCLE_CRASH_DESTROY;
vmdef->onPoweroff = VIR_DOMAIN_LIFECYCLE_DESTROY;
vmdef->virtType = VIR_DOMAIN_VIRT_LXC;
/* Value not handled by the LXC driver, setting to
* minimum required to make XML parsing pass */
if (virDomainDefSetVcpusMax(vmdef, 1) < 0)
goto error;
if (virDomainDefSetVcpus(vmdef, 1) < 0)
goto error;
vmdef->nfss = 0;
vmdef->os.type = VIR_DOMAIN_OSTYPE_EXE;
if ((value = virConfGetValue(properties, "lxc.arch")) && value->str) {
virArch arch = virArchFromString(value->str);
if (arch == VIR_ARCH_NONE && STREQ(value->str, "x86"))
arch = VIR_ARCH_I686;
else if (arch == VIR_ARCH_NONE && STREQ(value->str, "amd64"))
arch = VIR_ARCH_X86_64;
vmdef->os.arch = arch;
}
if (VIR_STRDUP(vmdef->os.init, "/sbin/init") < 0)
goto error;
if (!(value = virConfGetValue(properties, "lxc.utsname")) ||
!value->str || (VIR_STRDUP(vmdef->name, value->str) < 0))
goto error;
if (!vmdef->name && (VIR_STRDUP(vmdef->name, "unnamed") < 0))
goto error;
if (lxcSetRootfs(vmdef, properties) < 0)
goto error;
/* Look for fstab: we shouldn't have it */
if (virConfGetValue(properties, "lxc.mount")) {
virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
_("lxc.mount found, use lxc.mount.entry lines instead"));
goto error;
}
/* Loop over lxc.mount.entry to add filesystem devices for them */
if (virConfWalk(properties, lxcFstabWalkCallback, vmdef) < 0)
goto error;
/* Network configuration */
if (lxcConvertNetworkSettings(vmdef, properties) < 0)
goto error;
/* Consoles */
if (lxcCreateConsoles(vmdef, properties) < 0)
goto error;
/* lxc.id_map */
if (virConfWalk(properties, lxcIdmapWalkCallback, vmdef) < 0)
goto error;
/* lxc.cgroup.memory.* */
if (lxcSetMemTune(vmdef, properties) < 0)
goto error;
/* lxc.cgroup.cpu.* */
if (lxcSetCpuTune(vmdef, properties) < 0)
goto error;
/* lxc.cgroup.cpuset.* */
if (lxcSetCpusetTune(vmdef, properties) < 0)
goto error;
/* lxc.cgroup.blkio.* */
if (lxcSetBlkioTune(vmdef, properties) < 0)
goto error;
/* lxc.cap.drop */
lxcSetCapDrop(vmdef, properties);
if (virDomainDefPostParse(vmdef, caps, VIR_DOMAIN_DEF_PARSE_ABI_UPDATE,
xmlopt) < 0)
goto cleanup;
goto cleanup;
error:
virDomainDefFree(vmdef);
vmdef = NULL;
cleanup:
virConfFree(properties);
return vmdef;
}
