static int
virStorageBackendISCSIConnectionIQN(virStoragePoolObjPtr pool,
const char *portal,
const char *action)
{
int ret = -1;
char *ifacename = NULL;
switch (virStorageBackendIQNFound(pool, &ifacename)) {
case IQN_FOUND:
VIR_DEBUG("ifacename: '%s'", ifacename);
break;
case IQN_MISSING:
if (virStorageBackendCreateIfaceIQN(pool, &ifacename) != 0) {
goto out;
}
break;
case IQN_ERROR:
default:
goto out;
}
const char *const sendtargets[] = {
ISCSIADM, "--mode", "discovery", "--type", "sendtargets", "--portal", portal, NULL
};
if (virRun(sendtargets, NULL) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to run %s to get target list"),
sendtargets[0]);
goto out;
}
const char *const cmdargv[] = {
ISCSIADM, "--mode", "node", "--portal", portal,
"--targetname", pool->def->source.devices[0].path, "--interface",
ifacename, action, NULL
};
if (virRun(cmdargv, NULL) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to run command '%s' with action '%s'"),
cmdargv[0], action);
goto out;
}
ret = 0;
out:
VIR_FREE(ifacename);
return ret;
}
static int
vmwareStartVM(struct vmware_driver *driver, virDomainObjPtr vm)
{
const char *cmd[] = {
VMRUN, "-T", PROGRAM_SENTINAL, "start",
PROGRAM_SENTINAL, PROGRAM_SENTINAL, NULL
};
const char *vmxPath = ((vmwareDomainPtr) vm->privateData)->vmxPath;
if (virDomainObjGetState(vm, NULL) != VIR_DOMAIN_SHUTOFF) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("domain is not in shutoff state"));
return -1;
}
vmwareSetSentinal(cmd, vmw_types[driver->type]);
vmwareSetSentinal(cmd, vmxPath);
if (!((vmwareDomainPtr) vm->privateData)->gui)
vmwareSetSentinal(cmd, NOGUI);
else
vmwareSetSentinal(cmd, NULL);
if (virRun(cmd, NULL) < 0) {
return -1;
}
if ((vm->def->id = vmwareExtractPid(vmxPath)) < 0) {
vmwareStopVM(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED);
return -1;
}
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED);
return 0;
}
int
vmwareMoveFile(char *srcFile, char *dstFile)
{
const char *cmdmv[] =
{ "mv", PROGRAM_SENTINAL, PROGRAM_SENTINAL, NULL };
if (!virFileExists(srcFile)) {
virReportError(VIR_ERR_INTERNAL_ERROR, _("file %s does not exist"),
srcFile);
return -1;
}
if (STREQ(srcFile, dstFile))
return 0;
vmwareSetSentinal(cmdmv, srcFile);
vmwareSetSentinal(cmdmv, dstFile);
if (virRun(cmdmv, NULL) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to move file to %s "), dstFile);
return -1;
}
return 0;
}
static int
openvzDomainSetAutostart(virDomainPtr dom, int autostart)
{
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = { VZCTL, "--quiet", "set", PROGRAM_SENTINAL,
"--onboot", autostart ? "yes" : "no",
"--save", NULL };
int ret = -1;
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
openvzDriverUnlock(driver);
if (!vm) {
openvzError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
goto cleanup;
}
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static int
virStorageBackendISCSIConnection(virStoragePoolObjPtr pool,
const char *portal,
const char *action)
{
int ret = 0;
if (pool->def->source.initiator.iqn != NULL) {
ret = virStorageBackendISCSIConnectionIQN(pool, portal, action);
} else {
const char *const cmdargv[] = {
ISCSIADM, "--mode", "node", "--portal", portal,
"--targetname", pool->def->source.devices[0].path, action, NULL
};
if (virRun(cmdargv, NULL) < 0) {
ret = -1;
}
}
return ret;
}
/**
* virNetDevVethDelete:
* @veth: name for one end of veth pair
*
* This will delete both veth devices in a pair. Only one end needs to
* be specified. The ip command will identify and delete the other veth
* device as well.
* ip link del veth
*
* Returns 0 on success or -1 in case of error
*/
int virNetDevVethDelete(const char *veth)
{
const char *argv[] = {"ip", "link", "del", veth, NULL};
VIR_DEBUG("veth: %s", veth);
return virRun(argv, NULL);
}
/**
* virNetDevVethCreate:
* @veth1: pointer to name for parent end of veth pair
* @veth2: pointer to return name for container end of veth pair
*
* Creates a veth device pair using the ip command:
* ip link add veth1 type veth peer name veth2
* If veth1 points to NULL on entry, it will be a valid interface on
* return. veth2 should point to NULL on entry.
*
* NOTE: If veth1 and veth2 names are not specified, ip will auto assign
* names. There seems to be two problems here -
* 1) There doesn't seem to be a way to determine the names of the
* devices that it creates. They show up in ip link show and
* under /sys/class/net/ however there is no guarantee that they
* are the devices that this process just created.
* 2) Once one of the veth devices is moved to another namespace, it
* is no longer visible in the parent namespace. This seems to
* confuse the name assignment causing it to fail with File exists.
* Because of these issues, this function currently allocates names
* prior to using the ip command, and returns any allocated names
* to the caller.
*
* Returns 0 on success or -1 in case of error
*/
int virNetDevVethCreate(char** veth1, char** veth2)
{
int rc = -1;
const char *argv[] = {
"ip", "link", "add", NULL, "type", "veth", "peer", "name", NULL, NULL
};
int vethDev = 0;
bool veth1_alloc = false;
bool veth2_alloc = false;
VIR_DEBUG("Host: %s guest: %s", NULLSTR(*veth1), NULLSTR(*veth2));
if (*veth1 == NULL) {
if ((vethDev = virNetDevVethGetFreeName(veth1, vethDev)) < 0)
goto cleanup;
VIR_DEBUG("Assigned host: %s", *veth1);
veth1_alloc = true;
vethDev++;
}
argv[3] = *veth1;
while (*veth2 == NULL) {
if ((vethDev = virNetDevVethGetFreeName(veth2, vethDev)) < 0) {
if (veth1_alloc)
VIR_FREE(*veth1);
goto cleanup;
}
/* Just make sure they didn't accidentally get same name */
if (STREQ(*veth1, *veth2)) {
vethDev++;
VIR_FREE(*veth2);
continue;
}
VIR_DEBUG("Assigned guest: %s", *veth2);
veth2_alloc = true;
}
argv[8] = *veth2;
VIR_DEBUG("Create Host: %s guest: %s", *veth1, *veth2);
if (virRun(argv, NULL) < 0) {
if (veth1_alloc)
VIR_FREE(*veth1);
if (veth2_alloc)
VIR_FREE(*veth2);
goto cleanup;
}
rc = 0;
cleanup:
return rc;
}
static int
virStorageBackendISCSIRescanLUNs(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
const char *session)
{
const char *const cmdargv[] = {
ISCSIADM, "--mode", "session", "-r", session, "-R", NULL,
};
if (virRun(cmdargv, NULL) < 0)
return -1;
return 0;
}
static int
remove_profile(const char *profile)
{
int rc = -1;
const char * const argv[] = {
VIRT_AA_HELPER, "-R", "-u", profile, NULL
};
if (virRun(argv, NULL) == 0)
rc = 0;
return rc;
}
static int
virStorageBackendISCSILogin(virStoragePoolObjPtr pool,
const char *portal)
{
const char *const cmdsendtarget[] = {
ISCSIADM, "--mode", "discovery", "--type", "sendtargets",
"--portal", portal, NULL
};
if (virRun(cmdsendtarget, NULL) < 0)
return -1;
return virStorageBackendISCSIConnection(pool, portal, "--login");
}
static int
vmwareDomainResume(virDomainPtr dom)
{
struct vmware_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *cmd[] = {
VMRUN, "-T", PROGRAM_SENTINAL, "unpause", PROGRAM_SENTINAL,
NULL
};
int ret = -1;
if (driver->type == TYPE_PLAYER) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("vmplayer does not support libvirt suspend/resume "
"(vmware pause/unpause) operation "));
return ret;
}
vmwareDriverLock(driver);
vm = virDomainObjListFindByUUID(driver->domains, dom->uuid);
vmwareDriverUnlock(driver);
if (!vm) {
virReportError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
vmwareSetSentinal(cmd, vmw_types[driver->type]);
vmwareSetSentinal(cmd, ((vmwareDomainPtr) vm->privateData)->vmxPath);
if (virDomainObjGetState(vm, NULL) != VIR_DOMAIN_PAUSED) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("domain is not in suspend state"));
goto cleanup;
}
if (virRun(cmd, NULL) < 0)
goto cleanup;
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_UNPAUSED);
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
return ret;
}
static int
virStorageBackendLogicalSetActive(virStoragePoolObjPtr pool,
int on)
{
const char *cmdargv[4];
cmdargv[0] = VGCHANGE;
cmdargv[1] = on ? "-ay" : "-an";
cmdargv[2] = pool->def->source.name;
cmdargv[3] = NULL;
if (virRun(cmdargv, NULL) < 0)
return -1;
return 0;
}
static int
vmwareDomainReboot(virDomainPtr dom, unsigned int flags)
{
struct vmware_driver *driver = dom->conn->privateData;
const char * vmxPath = NULL;
virDomainObjPtr vm;
const char *cmd[] = {
VMRUN, "-T", PROGRAM_SENTINAL,
"reset", PROGRAM_SENTINAL, "soft", NULL
};
int ret = -1;
virCheckFlags(0, -1);
vmwareDriverLock(driver);
vm = virDomainObjListFindByUUID(driver->domains, dom->uuid);
vmwareDriverUnlock(driver);
if (!vm) {
virReportError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
vmxPath = ((vmwareDomainPtr) vm->privateData)->vmxPath;
vmwareSetSentinal(cmd, vmw_types[driver->type]);
vmwareSetSentinal(cmd, vmxPath);
if (vmwareUpdateVMStatus(driver, vm) < 0)
goto cleanup;
if (virDomainObjGetState(vm, NULL) != VIR_DOMAIN_RUNNING) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("domain is not in running state"));
goto cleanup;
}
if (virRun(cmd, NULL) < 0)
goto cleanup;
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
return ret;
}
static int
openvzDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
{
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = {VZCTL, "--quiet", "start", PROGRAM_SENTINAL, NULL };
int ret = -1;
int status;
virCheckFlags(0, -1);
openvzDriverLock(driver);
vm = virDomainFindByName(&driver->domains, dom->name);
openvzDriverUnlock(driver);
if (!vm) {
openvzError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching id"));
goto cleanup;
}
if (openvzGetVEStatus(vm, &status, NULL) == -1)
goto cleanup;
if (status != VIR_DOMAIN_SHUTOFF) {
openvzError(VIR_ERR_OPERATION_DENIED, "%s",
_("domain is not in shutoff state"));
goto cleanup;
}
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
goto cleanup;
}
vm->pid = strtoI(vm->def->name);
vm->def->id = vm->pid;
dom->id = vm->pid;
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED);
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
/**
* @conn connection to report errors against
* @pool storage pool to unmount
*
* Ensure that a FS storage pool is not mounted on its target location.
* If already unmounted, this is a no-op
*
* Returns 0 if successfully unmounted, -1 on error
*/
static int
virStorageBackendFileSystemUnmount(virStoragePoolObjPtr pool) {
const char *mntargv[3];
int ret;
if (pool->def->type == VIR_STORAGE_POOL_NETFS) {
if (pool->def->source.nhost != 1) {
virStorageReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Expected exactly 1 host for the storage pool"));
return -1;
}
if (pool->def->source.hosts[0].name == NULL) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source host"));
return -1;
}
if (pool->def->source.dir == NULL) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source dir"));
return -1;
}
} else {
if (pool->def->source.ndevice != 1) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source device"));
return -1;
}
}
/* Short-circuit if already unmounted */
if ((ret = virStorageBackendFileSystemIsMounted(pool)) != 1) {
if (ret < 0)
return -1;
else
return 0;
}
mntargv[0] = UMOUNT;
mntargv[1] = pool->def->target.path;
mntargv[2] = NULL;
if (virRun(mntargv, NULL) < 0) {
return -1;
}
return 0;
}
static int
openvzDomainShutdownFlags(virDomainPtr dom,
unsigned int flags) {
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = {VZCTL, "--quiet", "stop", PROGRAM_SENTINAL, NULL};
int ret = -1;
int status;
virCheckFlags(0, -1);
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
openvzDriverUnlock(driver);
if (!vm) {
openvzError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
if (openvzGetVEStatus(vm, &status, NULL) == -1)
goto cleanup;
openvzSetProgramSentinal(prog, vm->def->name);
if (status != VIR_DOMAIN_RUNNING) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("domain is not in running state"));
goto cleanup;
}
if (virRun(prog, NULL) < 0)
goto cleanup;
vm->def->id = -1;
virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, VIR_DOMAIN_SHUTOFF_SHUTDOWN);
dom->id = -1;
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static int
openvzDomainUndefineFlags(virDomainPtr dom,
unsigned int flags)
{
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = { VZCTL, "--quiet", "destroy", PROGRAM_SENTINAL, NULL };
int ret = -1;
int status;
virCheckFlags(0, -1);
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
if (!vm) {
openvzError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
if (openvzGetVEStatus(vm, &status, NULL) == -1)
goto cleanup;
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
goto cleanup;
}
if (virDomainObjIsActive(vm)) {
vm->persistent = 0;
} else {
virDomainRemoveInactive(&driver->domains, vm);
vm = NULL;
}
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
openvzDriverUnlock(driver);
return ret;
}
static int
vmwareStopVM(struct vmware_driver *driver, virDomainObjPtr vm)
{
const char *cmd[] = {
VMRUN, "-T", PROGRAM_SENTINAL, "stop",
PROGRAM_SENTINAL, "soft", NULL
};
vmwareSetSentinal(cmd, vmw_types[driver->type]);
vmwareSetSentinal(cmd, ((vmwareDomainPtr) vm->privateData)->vmxPath);
if (virRun(cmd, NULL) < 0) {
return -1;
}
vm->def->id = -1;
vm->state = VIR_DOMAIN_SHUTOFF;
return 0;
}
static int openvzDomainSetVcpusInternal(virDomainObjPtr vm,
unsigned int nvcpus)
{
char str_vcpus[32];
const char *prog[] = { VZCTL, "--quiet", "set", PROGRAM_SENTINAL,
"--cpus", str_vcpus, "--save", NULL };
unsigned int pcpus;
pcpus = openvzGetNodeCPUs();
if (pcpus > 0 && pcpus < nvcpus)
nvcpus = pcpus;
snprintf(str_vcpus, 31, "%d", nvcpus);
str_vcpus[31] = '\0';
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
return -1;
}
vm->def->maxvcpus = vm->def->vcpus = nvcpus;
return 0;
}
static int
openvzDomainSetMemoryInternal(virDomainObjPtr vm,
unsigned long mem)
{
char str_mem[16];
const char *prog[] = { VZCTL, "--quiet", "set", PROGRAM_SENTINAL,
"--kmemsize", str_mem, "--save", NULL
};
/* memory has to be changed its format from kbyte to byte */
snprintf(str_mem, sizeof(str_mem), "%lu", mem * 1024);
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
goto cleanup;
}
return 0;
cleanup:
return -1;
}
static int openvzDomainResume(virDomainPtr dom) {
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = {VZCTL, "--quiet", "chkpnt", PROGRAM_SENTINAL, "--resume", NULL};
int ret = -1;
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
openvzDriverUnlock(driver);
if (!vm) {
openvzError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
if (!virDomainObjIsActive(vm)) {
openvzError(VIR_ERR_OPERATION_INVALID, "%s",
_("Domain is not running"));
goto cleanup;
}
if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED) {
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
goto cleanup;
}
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_UNPAUSED);
}
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static int
openvzDomainSetNetwork(virConnectPtr conn, const char *vpsid,
virDomainNetDefPtr net,
virBufferPtr configBuf)
{
int rc = 0, narg;
const char *prog[OPENVZ_MAX_ARG];
char macaddr[VIR_MAC_STRING_BUFLEN];
unsigned char host_mac[VIR_MAC_BUFLEN];
char host_macaddr[VIR_MAC_STRING_BUFLEN];
struct openvz_driver *driver = conn->privateData;
char *opt = NULL;
#define ADD_ARG_LIT(thisarg) \
do { \
if (narg >= OPENVZ_MAX_ARG) \
goto no_memory; \
if ((prog[narg++] = strdup(thisarg)) == NULL) \
goto no_memory; \
} while (0)
if (net == NULL)
return 0;
if (vpsid == NULL) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Container ID is not specified"));
return -1;
}
for (narg = 0; narg < OPENVZ_MAX_ARG; narg++)
prog[narg] = NULL;
narg = 0;
if (net->type == VIR_DOMAIN_NET_TYPE_BRIDGE ||
net->type == VIR_DOMAIN_NET_TYPE_ETHERNET) {
ADD_ARG_LIT(VZCTL);
ADD_ARG_LIT("--quiet");
ADD_ARG_LIT("set");
ADD_ARG_LIT(vpsid);
}
virFormatMacAddr(net->mac, macaddr);
virCapabilitiesGenerateMac(driver->caps, host_mac);
virFormatMacAddr(host_mac, host_macaddr);
if (net->type == VIR_DOMAIN_NET_TYPE_BRIDGE ||
(net->type == VIR_DOMAIN_NET_TYPE_ETHERNET &&
net->data.ethernet.ipaddr == NULL)) {
virBuffer buf = VIR_BUFFER_INITIALIZER;
int veid = openvzGetVEID(vpsid);
/* --netif_add ifname[,mac,host_ifname,host_mac] */
ADD_ARG_LIT("--netif_add") ;
/* if user doesn't specify guest interface name,
* then we need to generate it */
if (net->data.ethernet.dev == NULL) {
net->data.ethernet.dev = openvzGenerateContainerVethName(veid);
if (net->data.ethernet.dev == NULL) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not generate eth name for container"));
rc = -1;
goto exit;
}
}
/* if user doesn't specified host interface name,
* than we need to generate it */
if (net->ifname == NULL) {
net->ifname = openvzGenerateVethName(veid, net->data.ethernet.dev);
if (net->ifname == NULL) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not generate veth name"));
rc = -1;
goto exit;
}
}
virBufferAdd(&buf, net->data.ethernet.dev, -1); /* Guest dev */
virBufferAsprintf(&buf, ",%s", macaddr); /* Guest dev mac */
virBufferAsprintf(&buf, ",%s", net->ifname); /* Host dev */
virBufferAsprintf(&buf, ",%s", host_macaddr); /* Host dev mac */
if (net->type == VIR_DOMAIN_NET_TYPE_BRIDGE) {
if (driver->version >= VZCTL_BRIDGE_MIN_VERSION) {
virBufferAsprintf(&buf, ",%s", net->data.bridge.brname); /* Host bridge */
} else {
virBufferAsprintf(configBuf, "ifname=%s", net->data.ethernet.dev);
virBufferAsprintf(configBuf, ",mac=%s", macaddr); /* Guest dev mac */
virBufferAsprintf(configBuf, ",host_ifname=%s", net->ifname); /* Host dev */
virBufferAsprintf(configBuf, ",host_mac=%s", host_macaddr); /* Host dev mac */
virBufferAsprintf(configBuf, ",bridge=%s", net->data.bridge.brname); /* Host bridge */
}
}
if (!(opt = virBufferContentAndReset(&buf)))
goto no_memory;
ADD_ARG_LIT(opt) ;
VIR_FREE(opt);
} else if (net->type == VIR_DOMAIN_NET_TYPE_ETHERNET &&
net->data.ethernet.ipaddr != NULL) {
/* --ipadd ip */
ADD_ARG_LIT("--ipadd") ;
ADD_ARG_LIT(net->data.ethernet.ipaddr) ;
}
/* TODO: processing NAT and physical device */
if (prog[0] != NULL) {
ADD_ARG_LIT("--save");
if (virRun(prog, NULL) < 0) {
rc = -1;
goto exit;
}
}
exit:
cmdExecFree(prog);
return rc;
no_memory:
VIR_FREE(opt);
openvzError(VIR_ERR_INTERNAL_ERROR,
_("Could not put argument to %s"), VZCTL);
cmdExecFree(prog);
return -1;
#undef ADD_ARG_LIT
}
/**
* @conn connection to report errors against
* @pool storage pool to mount
*
* Ensure that a FS storage pool is mounted on its target location.
* If already mounted, this is a no-op
*
* Returns 0 if successfully mounted, -1 on error
*/
static int
virStorageBackendFileSystemMount(virStoragePoolObjPtr pool) {
char *src;
const char **mntargv;
/* 'mount -t auto' doesn't seem to auto determine nfs (or cifs),
* while plain 'mount' does. We have to craft separate argvs to
* accommodate this */
int netauto = (pool->def->type == VIR_STORAGE_POOL_NETFS &&
pool->def->source.format == VIR_STORAGE_POOL_NETFS_AUTO);
int glusterfs = (pool->def->type == VIR_STORAGE_POOL_NETFS &&
pool->def->source.format == VIR_STORAGE_POOL_NETFS_GLUSTERFS);
int source_index;
const char *netfs_auto_argv[] = {
MOUNT,
NULL, /* source path */
pool->def->target.path,
NULL,
};
const char *fs_argv[] = {
MOUNT,
"-t",
pool->def->type == VIR_STORAGE_POOL_FS ?
virStoragePoolFormatFileSystemTypeToString(pool->def->source.format) :
virStoragePoolFormatFileSystemNetTypeToString(pool->def->source.format),
NULL, /* Fill in shortly - careful not to add extra fields
before this */
pool->def->target.path,
NULL,
};
const char *glusterfs_argv[] = {
MOUNT,
"-t",
pool->def->type == VIR_STORAGE_POOL_FS ?
virStoragePoolFormatFileSystemTypeToString(pool->def->source.format) :
virStoragePoolFormatFileSystemNetTypeToString(pool->def->source.format),
NULL,
"-o",
"direct-io-mode=1",
pool->def->target.path,
NULL,
};
if (netauto) {
mntargv = netfs_auto_argv;
source_index = 1;
} else if (glusterfs) {
mntargv = glusterfs_argv;
source_index = 3;
} else {
mntargv = fs_argv;
source_index = 3;
}
int ret;
if (pool->def->type == VIR_STORAGE_POOL_NETFS) {
if (pool->def->source.host.name == NULL) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source host"));
return -1;
}
if (pool->def->source.dir == NULL) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source path"));
return -1;
}
} else {
if (pool->def->source.ndevice != 1) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source device"));
return -1;
}
}
/* Short-circuit if already mounted */
if ((ret = virStorageBackendFileSystemIsMounted(pool)) != 0) {
if (ret < 0)
return -1;
else
return 0;
}
if (pool->def->type == VIR_STORAGE_POOL_NETFS) {
if (virAsprintf(&src, "%s:%s",
pool->def->source.host.name,
pool->def->source.dir) == -1) {
virReportOOMError();
return -1;
}
} else {
if ((src = strdup(pool->def->source.devices[0].path)) == NULL) {
virReportOOMError();
return -1;
}
}
mntargv[source_index] = src;
if (virRun(mntargv, NULL) < 0) {
VIR_FREE(src);
return -1;
}
VIR_FREE(src);
return 0;
}
static int
virStorageBackendCreateIfaceIQN(const char *initiatoriqn,
char **ifacename)
{
int ret = -1, exitstatus = -1;
char temp_ifacename[32];
const char *const cmdargv1[] = {
ISCSIADM, "--mode", "iface", "--interface",
temp_ifacename, "--op", "new", NULL
};
const char *const cmdargv2[] = {
ISCSIADM, "--mode", "iface", "--interface", temp_ifacename,
"--op", "update", "--name", "iface.initiatorname", "--value",
initiatoriqn, NULL
};
if (virRandomInitialize(time(NULL) ^ getpid()) == -1) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Failed to initialize random generator "
"when creating iscsi interface"));
goto out;
}
snprintf(temp_ifacename, sizeof(temp_ifacename), "libvirt-iface-%08x",
virRandom(1024 * 1024 * 1024));
VIR_DEBUG("Attempting to create interface '%s' with IQN '%s'",
&temp_ifacename[0], initiatoriqn);
/* Note that we ignore the exitstatus. Older versions of iscsiadm
* tools returned an exit status of > 0, even if they succeeded.
* We will just rely on whether the interface got created
* properly. */
if (virRun(cmdargv1, &exitstatus) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to run command '%s' to create new iscsi interface"),
cmdargv1[0]);
goto out;
}
/* Note that we ignore the exitstatus. Older versions of iscsiadm tools
* returned an exit status of > 0, even if they succeeded. We will just
* rely on whether iface file got updated properly. */
if (virRun(cmdargv2, &exitstatus) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to run command '%s' to update iscsi interface with IQN '%s'"),
cmdargv2[0], initiatoriqn);
goto out;
}
/* Check again to make sure the interface was created. */
if (virStorageBackendIQNFound(initiatoriqn, ifacename) != IQN_FOUND) {
VIR_DEBUG("Failed to find interface '%s' with IQN '%s' "
"after attempting to create it",
&temp_ifacename[0], initiatoriqn);
goto out;
} else {
VIR_DEBUG("Interface '%s' with IQN '%s' was created successfully",
*ifacename, initiatoriqn);
}
ret = 0;
out:
if (ret != 0)
VIR_FREE(*ifacename);
return ret;
}
static int openvzSetInitialConfig(virDomainDefPtr vmdef)
{
int ret = -1;
int vpsid;
char * confdir = NULL;
const char *prog[OPENVZ_MAX_ARG];
prog[0] = NULL;
if (vmdef->nfss > 1) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("only one filesystem supported"));
goto cleanup;
}
if (vmdef->nfss == 1 &&
vmdef->fss[0]->type != VIR_DOMAIN_FS_TYPE_TEMPLATE &&
vmdef->fss[0]->type != VIR_DOMAIN_FS_TYPE_MOUNT)
{
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("filesystem is not of type 'template' or 'mount'"));
goto cleanup;
}
if (vmdef->nfss == 1 &&
vmdef->fss[0]->type == VIR_DOMAIN_FS_TYPE_MOUNT)
{
if (virStrToLong_i(vmdef->name, NULL, 10, &vpsid) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not convert domain name to VEID"));
goto cleanup;
}
if (openvzCopyDefaultConfig(vpsid) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not copy default config"));
goto cleanup;
}
if (openvzWriteVPSConfigParam(vpsid, "VE_PRIVATE", vmdef->fss[0]->src) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not set the source dir for the filesystem"));
goto cleanup;
}
}
else
{
if (openvzDomainDefineCmd(prog, OPENVZ_MAX_ARG, vmdef) < 0) {
VIR_ERROR(_("Error creating command for container"));
goto cleanup;
}
if (virRun(prog, NULL) < 0) {
goto cleanup;
}
}
ret = 0;
cleanup:
VIR_FREE(confdir);
cmdExecFree(prog);
return ret;
}
static int ATTRIBUTE_SENTINEL
iptablesAddRemoveRule(iptRules *rules, int action, const char *arg, ...)
{
va_list args;
int retval = ENOMEM;
const char **argv;
const char *s;
int n;
n = 1 + /* /sbin/iptables */
2 + /* --table foo */
2 + /* --insert bar */
1; /* arg */
va_start(args, arg);
while (va_arg(args, const char *))
n++;
va_end(args);
if (VIR_ALLOC_N(argv, n + 1) < 0)
goto error;
n = 0;
if (!(argv[n++] = strdup(IPTABLES_PATH)))
goto error;
if (!(argv[n++] = strdup("--table")))
goto error;
if (!(argv[n++] = strdup(rules->table)))
goto error;
if (!(argv[n++] = strdup(action == ADD ? "--insert" : "--delete")))
goto error;
if (!(argv[n++] = strdup(rules->chain)))
goto error;
if (!(argv[n++] = strdup(arg)))
goto error;
va_start(args, arg);
while ((s = va_arg(args, const char *))) {
if (!(argv[n++] = strdup(s))) {
va_end(args);
goto error;
}
}
va_end(args);
if (virRun(argv, NULL) < 0) {
retval = errno;
goto error;
}
retval = 0;
error:
if (argv) {
n = 0;
while (argv[n])
VIR_FREE(argv[n++]);
VIR_FREE(argv);
}
return retval;
}
static virDomainPtr
openvzDomainCreateXML(virConnectPtr conn, const char *xml,
unsigned int flags)
{
struct openvz_driver *driver = conn->privateData;
virDomainDefPtr vmdef = NULL;
virDomainObjPtr vm = NULL;
virDomainPtr dom = NULL;
const char *progstart[] = {VZCTL, "--quiet", "start", PROGRAM_SENTINAL, NULL};
virCheckFlags(0, NULL);
openvzDriverLock(driver);
if ((vmdef = virDomainDefParseString(driver->caps, xml,
1 << VIR_DOMAIN_VIRT_OPENVZ,
VIR_DOMAIN_XML_INACTIVE)) == NULL)
goto cleanup;
vm = virDomainFindByName(&driver->domains, vmdef->name);
if (vm) {
openvzError(VIR_ERR_OPERATION_FAILED,
_("Already an OPENVZ VM defined with the id '%s'"),
vmdef->name);
goto cleanup;
}
if (!(vm = virDomainAssignDef(driver->caps,
&driver->domains, vmdef, false)))
goto cleanup;
vmdef = NULL;
/* All OpenVZ domains seem to be persistent - this is a bit of a violation
* of this libvirt API which is intended for transient domain creation */
vm->persistent = 1;
if (openvzSetInitialConfig(vm->def) < 0) {
VIR_ERROR(_("Error creating initial configuration"));
goto cleanup;
}
if (openvzSetDefinedUUID(strtoI(vm->def->name), vm->def->uuid) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not set UUID"));
goto cleanup;
}
if (openvzDomainSetNetworkConfig(conn, vm->def) < 0)
goto cleanup;
openvzSetProgramSentinal(progstart, vm->def->name);
if (virRun(progstart, NULL) < 0) {
goto cleanup;
}
vm->pid = strtoI(vm->def->name);
vm->def->id = vm->pid;
virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED);
if (vm->def->maxvcpus > 0) {
if (openvzDomainSetVcpusInternal(vm, vm->def->maxvcpus) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not set number of virtual cpu"));
goto cleanup;
}
}
dom = virGetDomain(conn, vm->def->name, vm->def->uuid);
if (dom)
dom->id = vm->def->id;
cleanup:
virDomainDefFree(vmdef);
if (vm)
virDomainObjUnlock(vm);
openvzDriverUnlock(driver);
return dom;
}
static int ATTRIBUTE_SENTINEL
ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...)
{
va_list args;
int retval = ENOMEM;
const char **argv;
char *rule = NULL;
const char *s;
int n, command_idx;
n = 1 + /* /sbin/ebtables */
2 + /* --table foo */
2 + /* --insert bar */
1; /* arg */
#if HAVE_FIREWALLD
virEbTablesInitialize();
if (firewall_cmd_path)
n += 3; /* --direct --passthrough eb */
#endif
va_start(args, arg);
while (va_arg(args, const char *))
n++;
va_end(args);
if (VIR_ALLOC_N(argv, n + 1) < 0)
goto error;
n = 0;
#if HAVE_FIREWALLD
if (firewall_cmd_path) {
if (!(argv[n++] = strdup(firewall_cmd_path)))
goto error;
if (!(argv[n++] = strdup("--direct")))
goto error;
if (!(argv[n++] = strdup("--passthrough")))
goto error;
if (!(argv[n++] = strdup("eb")))
goto error;
} else
#endif
if (!(argv[n++] = strdup(EBTABLES_PATH)))
goto error;
command_idx = n;
if(action == ADD || action == REMOVE) {
if (!(argv[n++] = strdup("--insert")))
goto error;
if (!(argv[n++] = strdup(rules->chain)))
goto error;
}
if (!(argv[n++] = strdup(arg)))
goto error;
va_start(args, arg);
while ((s = va_arg(args, const char *))) {
if (!(argv[n++] = strdup(s))) {
va_end(args);
goto error;
}
}
va_end(args);
if (!(rule = virArgvToString(&argv[command_idx])))
goto error;
if (action == REMOVE) {
VIR_FREE(argv[command_idx]);
if (!(argv[command_idx] = strdup("--delete")))
goto error;
}
if (virRun(argv, NULL) < 0) {
retval = errno;
goto error;
}
if (action == ADD || action == CREATE || action == POLICY ||
action == INSERT) {
retval = ebtRulesAppend(rules, rule, argv, command_idx);
rule = NULL;
argv = NULL;
} else {
retval = ebtRulesRemove(rules, rule);
}
error:
VIR_FREE(rule);
if (argv) {
n = 0;
while (argv[n])
VIR_FREE(argv[n++]);
VIR_FREE(argv);
}
return retval;
}
bool criuExists(void)
{
const char* prog[] = {"which", "criu", NULL};
return (virRun(prog, NULL) == 0);
}
