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;
}
virNetDevVPortProfilePtr
virNetDevVPortProfileParse(xmlNodePtr node)
{
char *virtPortType;
char *virtPortManagerID = NULL;
char *virtPortTypeID = NULL;
char *virtPortTypeIDVersion = NULL;
char *virtPortInstanceID = NULL;
char *virtPortProfileID = NULL;
char *virtPortInterfaceID = NULL;
virNetDevVPortProfilePtr virtPort = NULL;
xmlNodePtr cur = node->children;
if (VIR_ALLOC(virtPort) < 0) {
virReportOOMError();
return NULL;
}
virtPortType = virXMLPropString(node, "type");
if (!virtPortType) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing virtualportprofile type"));
goto error;
}
if ((virtPort->virtPortType = virNetDevVPortTypeFromString(virtPortType)) <= 0) {
virReportError(VIR_ERR_XML_ERROR,
_("unknown virtualportprofile type %s"), virtPortType);
goto error;
}
while (cur != NULL) {
if (xmlStrEqual(cur->name, BAD_CAST "parameters")) {
virtPortManagerID = virXMLPropString(cur, "managerid");
virtPortTypeID = virXMLPropString(cur, "typeid");
virtPortTypeIDVersion = virXMLPropString(cur, "typeidversion");
virtPortInstanceID = virXMLPropString(cur, "instanceid");
virtPortProfileID = virXMLPropString(cur, "profileid");
virtPortInterfaceID = virXMLPropString(cur, "interfaceid");
break;
}
cur = cur->next;
}
switch (virtPort->virtPortType) {
case VIR_NETDEV_VPORT_PROFILE_8021QBG:
if (virtPortManagerID != NULL && virtPortTypeID != NULL &&
virtPortTypeIDVersion != NULL) {
unsigned int val;
if (virStrToLong_ui(virtPortManagerID, NULL, 0, &val)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse value of managerid parameter"));
goto error;
}
if (val > 0xff) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("value of managerid out of range"));
goto error;
}
virtPort->u.virtPort8021Qbg.managerID = (uint8_t)val;
if (virStrToLong_ui(virtPortTypeID, NULL, 0, &val)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse value of typeid parameter"));
goto error;
}
if (val > 0xffffff) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("value for typeid out of range"));
goto error;
}
virtPort->u.virtPort8021Qbg.typeID = (uint32_t)val;
if (virStrToLong_ui(virtPortTypeIDVersion, NULL, 0, &val)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse value of typeidversion parameter"));
goto error;
}
if (val > 0xff) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("value of typeidversion out of range"));
goto error;
}
virtPort->u.virtPort8021Qbg.typeIDVersion = (uint8_t)val;
if (virtPortInstanceID != NULL) {
if (virUUIDParse(virtPortInstanceID,
virtPort->u.virtPort8021Qbg.instanceID)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse instanceid parameter as a uuid"));
goto error;
}
} else {
if (virUUIDGenerate(virtPort->u.virtPort8021Qbg.instanceID)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot generate a random uuid for instanceid"));
goto error;
}
}
virtPort->virtPortType = VIR_NETDEV_VPORT_PROFILE_8021QBG;
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("a parameter is missing for 802.1Qbg description"));
goto error;
}
break;
case VIR_NETDEV_VPORT_PROFILE_8021QBH:
if (virtPortProfileID != NULL) {
if (virStrcpyStatic(virtPort->u.virtPort8021Qbh.profileID,
virtPortProfileID) != NULL) {
virtPort->virtPortType = VIR_NETDEV_VPORT_PROFILE_8021QBH;
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("profileid parameter too long"));
goto error;
}
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("profileid parameter is missing for 802.1Qbh description"));
goto error;
}
break;
case VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH:
if (virtPortInterfaceID != NULL) {
if (virUUIDParse(virtPortInterfaceID,
virtPort->u.openvswitch.interfaceID)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse interfaceid parameter as a uuid"));
goto error;
}
} else {
if (virUUIDGenerate(virtPort->u.openvswitch.interfaceID)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot generate a random uuid for interfaceid"));
goto error;
}
}
/* profileid is not mandatory for Open vSwitch */
if (virtPortProfileID != NULL) {
if (virStrcpyStatic(virtPort->u.openvswitch.profileID,
virtPortProfileID) == NULL) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("profileid parameter too long"));
goto error;
}
} else {
virtPort->u.openvswitch.profileID[0] = '\0';
}
break;
default:
virReportError(VIR_ERR_XML_ERROR,
_("unexpected virtualport type %d"), virtPort->virtPortType);
goto error;
}
cleanup:
VIR_FREE(virtPortManagerID);
VIR_FREE(virtPortTypeID);
VIR_FREE(virtPortTypeIDVersion);
VIR_FREE(virtPortInstanceID);
VIR_FREE(virtPortProfileID);
VIR_FREE(virtPortType);
return virtPort;
error:
VIR_FREE(virtPort);
goto cleanup;
}
/* virNetDevVPortProfileCheckComplete() checks that all attributes
* required for the type of virtport are specified. When
* generateMissing is true, any missing attribute that can be
* autogenerated, will be (instanceid, interfaceid). If virtport ==
* NULL or virtPortType == NONE, then the result is always 0
* (success). If a required attribute is missing, an error is logged
* and -1 is returned.
*/
int
virNetDevVPortProfileCheckComplete(virNetDevVPortProfilePtr virtport,
bool generateMissing)
{
const char *missing = NULL;
if (!virtport || virtport->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE)
return 0;
switch (virtport->virtPortType) {
case VIR_NETDEV_VPORT_PROFILE_8021QBG:
if (!virtport->managerID_specified) {
missing = "managerid";
} else if (!virtport->typeID_specified) {
missing = "typeid";
} else if (!virtport->typeIDVersion_specified) {
missing = "typeidversion";
} else if (!virtport->instanceID_specified) {
if (generateMissing) {
if (virUUIDGenerate(virtport->instanceID) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot generate a random uuid for instanceid"));
return -1;
}
virtport->instanceID_specified = true;
} else {
missing = "instanceid";
}
}
break;
case VIR_NETDEV_VPORT_PROFILE_8021QBH:
if (!virtport->profileID[0])
missing = "profileid";
break;
case VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH:
/* profileid is optional for openvswitch */
if (!virtport->interfaceID_specified) {
if (generateMissing) {
if (virUUIDGenerate(virtport->interfaceID) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot generate a random uuid for interfaceid"));
return -1;
}
virtport->interfaceID_specified = true;
} else {
missing = "interfaceid";
}
}
break;
}
if (missing) {
virReportError(VIR_ERR_XML_ERROR,
_("missing %s in <virtualport type='%s'>"), missing,
virNetDevVPortTypeToString(virtport->virtPortType));
return -1;
}
return 0;
}
static virSecretDefPtr
secretXMLParseNode(xmlDocPtr xml, xmlNodePtr root)
{
xmlXPathContextPtr ctxt = NULL;
virSecretDefPtr def = NULL, ret = NULL;
char *prop = NULL;
char *uuidstr = NULL;
if (!xmlStrEqual(root->name, BAD_CAST "secret")) {
virReportError(VIR_ERR_XML_ERROR,
_("unexpected root element <%s>, "
"expecting <secret>"),
root->name);
goto cleanup;
}
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
virReportOOMError();
goto cleanup;
}
ctxt->node = root;
if (VIR_ALLOC(def) < 0)
goto cleanup;
prop = virXPathString("string(./@ephemeral)", ctxt);
if (prop != NULL) {
if (STREQ(prop, "yes")) {
def->isephemeral = true;
} else if (STREQ(prop, "no")) {
def->isephemeral = false;
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("invalid value of 'ephemeral'"));
goto cleanup;
}
VIR_FREE(prop);
}
prop = virXPathString("string(./@private)", ctxt);
if (prop != NULL) {
if (STREQ(prop, "yes")) {
def->isprivate = true;
} else if (STREQ(prop, "no")) {
def->isprivate = false;
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("invalid value of 'private'"));
goto cleanup;
}
VIR_FREE(prop);
}
uuidstr = virXPathString("string(./uuid)", ctxt);
if (!uuidstr) {
if (virUUIDGenerate(def->uuid)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Failed to generate UUID"));
goto cleanup;
}
} else {
if (virUUIDParse(uuidstr, def->uuid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed uuid element"));
goto cleanup;
}
VIR_FREE(uuidstr);
}
def->description = virXPathString("string(./description)", ctxt);
if (virXPathNode("./usage", ctxt) != NULL
&& virSecretDefParseUsage(ctxt, def) < 0)
goto cleanup;
ret = def;
def = NULL;
cleanup:
VIR_FREE(prop);
VIR_FREE(uuidstr);
virSecretDefFree(def);
xmlXPathFreeContext(ctxt);
return ret;
}
virNetDevVPortProfilePtr
virNetDevVPortProfileParse(xmlNodePtr node, unsigned int flags)
{
char *virtPortType;
char *virtPortManagerID = NULL;
char *virtPortTypeID = NULL;
char *virtPortTypeIDVersion = NULL;
char *virtPortInstanceID = NULL;
char *virtPortProfileID = NULL;
char *virtPortInterfaceID = NULL;
virNetDevVPortProfilePtr virtPort = NULL;
xmlNodePtr cur = node->children;
if (VIR_ALLOC(virtPort) < 0)
return NULL;
if ((virtPortType = virXMLPropString(node, "type")) &&
(virtPort->virtPortType = virNetDevVPortTypeFromString(virtPortType)) <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown virtualport type %s"), virtPortType);
goto error;
}
if ((virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE) &&
(flags & VIR_VPORT_XML_REQUIRE_TYPE)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing required virtualport type"));
goto error;
}
while (cur != NULL) {
if (xmlStrEqual(cur->name, BAD_CAST "parameters")) {
virtPortManagerID = virXMLPropString(cur, "managerid");
virtPortTypeID = virXMLPropString(cur, "typeid");
virtPortTypeIDVersion = virXMLPropString(cur, "typeidversion");
virtPortInstanceID = virXMLPropString(cur, "instanceid");
virtPortProfileID = virXMLPropString(cur, "profileid");
virtPortInterfaceID = virXMLPropString(cur, "interfaceid");
break;
}
cur = cur->next;
}
if (virtPortManagerID) {
unsigned int val;
if (virStrToLong_ui(virtPortManagerID, NULL, 0, &val)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse value of managerid parameter"));
goto error;
}
if (val > 0xff) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("value of managerid out of range"));
goto error;
}
virtPort->managerID = (uint8_t)val;
virtPort->managerID_specified = true;
}
if (virtPortTypeID) {
unsigned int val;
if (virStrToLong_ui(virtPortTypeID, NULL, 0, &val)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse value of typeid parameter"));
goto error;
}
if (val > 0xffffff) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("value for typeid out of range"));
goto error;
}
virtPort->typeID = (uint32_t)val;
virtPort->typeID_specified = true;
}
if (virtPortTypeIDVersion) {
unsigned int val;
if (virStrToLong_ui(virtPortTypeIDVersion, NULL, 0, &val)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse value of typeidversion parameter"));
goto error;
}
if (val > 0xff) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("value of typeidversion out of range"));
goto error;
}
virtPort->typeIDVersion = (uint8_t)val;
virtPort->typeIDVersion_specified = true;
}
if (virtPortInstanceID) {
if (virUUIDParse(virtPortInstanceID, virtPort->instanceID) < 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse instanceid parameter as a uuid"));
goto error;
}
virtPort->instanceID_specified = true;
}
if (virtPortProfileID &&
!virStrcpyStatic(virtPort->profileID, virtPortProfileID)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("profileid parameter too long"));
goto error;
}
if (virtPortInterfaceID) {
if (virUUIDParse(virtPortInterfaceID, virtPort->interfaceID) < 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot parse interfaceid parameter as a uuid"));
goto error;
}
virtPort->interfaceID_specified = true;
}
/* generate default instanceID/interfaceID if appropriate */
if (flags & VIR_VPORT_XML_GENERATE_MISSING_DEFAULTS) {
if (!virtPort->instanceID_specified &&
(virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_8021QBG ||
virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE)) {
if (virUUIDGenerate(virtPort->instanceID) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot generate a random uuid for instanceid"));
goto error;
}
virtPort->instanceID_specified = true;
}
if (!virtPort->interfaceID_specified &&
(virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH ||
virtPort->virtPortType == VIR_NETDEV_VPORT_PROFILE_NONE)) {
if (virUUIDGenerate(virtPort->interfaceID) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot generate a random uuid for interfaceid"));
goto error;
}
virtPort->interfaceID_specified = true;
}
}
/* check for required/unsupported attributes */
if ((flags & VIR_VPORT_XML_REQUIRE_ALL_ATTRIBUTES) &&
(virNetDevVPortProfileCheckComplete(virtPort, false) < 0)) {
goto error;
}
if (virNetDevVPortProfileCheckNoExtras(virtPort) < 0)
goto error;
cleanup:
VIR_FREE(virtPortManagerID);
VIR_FREE(virtPortTypeID);
VIR_FREE(virtPortTypeIDVersion);
VIR_FREE(virtPortInstanceID);
VIR_FREE(virtPortProfileID);
VIR_FREE(virtPortType);
VIR_FREE(virtPortInterfaceID);
return virtPort;
error:
VIR_FREE(virtPort);
goto cleanup;
}