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Add uniqness checking for LXC define/create methods

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* src/lxc_driver.c: Check for name & UUID uniqueness when
  defining or creating domains
This commit is contained in:
Daniel P. Berrange 2009-07-31 15:25:03 +01:00
parent 388f3368cb
commit a480572244
1 changed files with 62 additions and 0 deletions
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62
src/lxc_driver.c
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@ -311,6 +311,35 @@ static virDomainPtr lxcDomainDefine(virConnectPtr conn, const char *xml)
VIR_DOMAIN_XML_INACTIVE)))
goto cleanup;
/* See if a VM with matching UUID already exists */
vm = virDomainFindByUUID(&driver->domains, def->uuid);
if (vm) {
/* UUID matches, but if names don't match, refuse it */
if (STRNEQ(vm->def->name, def->name)) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
lxcError(conn, NULL, VIR_ERR_OPERATION_FAILED,
_("domain '%s' is already defined with uuid %s"),
vm->def->name, uuidstr);
goto cleanup;
}
/* UUID & name match */
virDomainObjUnlock(vm);
newVM = 0;
} else {
/* UUID does not match, but if a name matches, refuse it */
vm = virDomainFindByName(&driver->domains, def->name);
if (vm) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
lxcError(conn, NULL, VIR_ERR_OPERATION_FAILED,
_("domain '%s' is already defined with uuid %s"),
def->name, uuidstr);
goto cleanup;
}
}
if ((def->nets != NULL) && !(driver->have_netns)) {
lxcError(conn, NULL, VIR_ERR_NO_SUPPORT,
"%s", _("System lacks NETNS support"));
@ -1082,6 +1111,39 @@ lxcDomainCreateAndStart(virConnectPtr conn,
VIR_DOMAIN_XML_INACTIVE)))
goto cleanup;
/* See if a VM with matching UUID already exists */
vm = virDomainFindByUUID(&driver->domains, def->uuid);
if (vm) {
/* UUID matches, but if names don't match, refuse it */
if (STRNEQ(vm->def->name, def->name)) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
lxcError(conn, NULL, VIR_ERR_OPERATION_FAILED,
_("domain '%s' is already defined with uuid %s"),
vm->def->name, uuidstr);
goto cleanup;
}
/* UUID & name match, but if VM is already active, refuse it */
if (virDomainIsActive(vm)) {
lxcError(conn, NULL, VIR_ERR_OPERATION_FAILED,
_("domain is already active as '%s'"), vm->def->name);
goto cleanup;
}
virDomainObjUnlock(vm);
} else {
/* UUID does not match, but if a name matches, refuse it */
vm = virDomainFindByName(&driver->domains, def->name);
if (vm) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
lxcError(conn, NULL, VIR_ERR_OPERATION_FAILED,
_("domain '%s' is already defined with uuid %s"),
def->name, uuidstr);
goto cleanup;
}
}
if ((def->nets != NULL) && !(driver->have_netns)) {
lxcError(conn, NULL, VIR_ERR_NO_SUPPORT,
"%s", _("System lacks NETNS support"));