static int
libvirt_off(const char *vm_name, const char *src, uint32_t seqno, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp = NULL;
virDomainInfo vdi;
virDomainPtr (*virt_lookup_fn)(virConnectPtr, const char *);
int ret = -1;
int i;
dbg_printf(5, "ENTER %s %s %u\n", __FUNCTION__, vm_name, seqno);
VALIDATE(info);
if (is_uuid(vm_name))
virt_lookup_fn = virDomainLookupByUUIDString;
else
virt_lookup_fn = virDomainLookupByName;
for (i = 0 ; i < info->vp_count ; i++) {
vdp = virt_lookup_fn(info->vp[i], vm_name);
if (vdp)
break;
}
if (!vdp) {
dbg_printf(2, "[libvirt:OFF] Domain %s does not exist\n", vm_name);
return 1;
}
if (virDomainGetInfo(vdp, &vdi) == 0 && vdi.state == VIR_DOMAIN_SHUTOFF) {
dbg_printf(2, "[libvirt:OFF] Nothing to do - "
"domain %s is already off\n",
vm_name);
virDomainFree(vdp);
return 0;
}
syslog(LOG_NOTICE, "Destroying domain %s\n", vm_name);
dbg_printf(2, "[libvirt:OFF] Calling virDomainDestroy for %s\n", vm_name);
ret = virDomainDestroy(vdp);
virDomainFree(vdp);
if (ret < 0) {
syslog(LOG_NOTICE, "Failed to destroy domain %s: %d\n", vm_name, ret);
dbg_printf(2, "[libvirt:OFF] Failed to destroy domain: %s %d\n",
vm_name, ret);
return 1;
}
if (ret) {
syslog(LOG_NOTICE, "Domain %s still exists; fencing failed\n", vm_name);
dbg_printf(2, "[libvirt:OFF] Domain %s still exists; fencing failed\n",
vm_name);
return 1;
}
dbg_printf(2, "[libvirt:OFF] Success for %s\n", vm_name);
return 0;
}
static int
libvirt_status(const char *vm_name, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp;
virDomainInfo vdi;
int ret = 0;
dbg_printf(5, "%s %s\n", __FUNCTION__, vm_name);
VALIDATE(info);
if (is_uuid(vm_name)) {
vdp = virDomainLookupByUUIDString(info->vp,
(const char *)vm_name);
} else {
vdp = virDomainLookupByName(info->vp, vm_name);
}
if (!vdp || ((virDomainGetInfo(vdp, &vdi) == 0) &&
(vdi.state == VIR_DOMAIN_SHUTOFF))) {
ret = RESP_OFF;
}
if (vdp)
virDomainFree(vdp);
return ret;
}
static inline int
wait_domain(const char *vm_name, virConnectPtr vp, int timeout)
{
int tries = 0;
int response = 1;
int ret;
virDomainPtr vdp;
virDomainInfo vdi;
int uuid_check;
uuid_check = is_uuid(vm_name);
if (uuid_check) {
vdp = virDomainLookupByUUIDString(vp, (const char *)vm_name);
} else {
vdp = virDomainLookupByName(vp, vm_name);
}
if (!vdp)
return 0;
/* Check domain liveliness. If the domain is still here,
we return failure, and the client must then retry */
/* XXX On the xen 3.0.4 API, we will be able to guarantee
synchronous virDomainDestroy, so this check will not
be necessary */
do {
if (++tries > timeout)
break;
sleep(1);
if (uuid_check) {
vdp = virDomainLookupByUUIDString(vp, (const char *)vm_name);
} else {
vdp = virDomainLookupByName(vp, vm_name);
}
if (!vdp) {
dbg_printf(2, "Domain no longer exists\n");
response = 0;
break;
}
memset(&vdi, 0, sizeof(vdi));
ret = virDomainGetInfo(vdp, &vdi);
virDomainFree(vdp);
if (ret < 0)
continue;
if (vdi.state == VIR_DOMAIN_SHUTOFF) {
dbg_printf(2, "Domain has been shut off\n");
response = 0;
break;
}
dbg_printf(4, "Domain still exists (state %d) after %d seconds\n",
vdi.state, tries);
} while (1);
return response;
}
static struct ovs_port *parse_port(json_t *jresult, json_t *uuid,
struct ovs_bridge *br)
{
struct ovs_port *port;
struct ovs_if *ptr = NULL; /* GCC false positive */
struct ovs_if *iface;
json_t *jport, *jarr;
unsigned int i;
if (!is_uuid(uuid))
return NULL;
jport = json_object_get(jresult, "Port");
jport = json_object_get(jport, json_string_value(json_array_get(uuid, 1)));
jport = json_object_get(jport, "new");
port = calloc(sizeof(*port), 1);
if (!port)
return NULL;
port->name = strdup(json_string_value(json_object_get(jport, "name")));
port->bridge = br;
if (parse_port_info(port, jport))
return NULL;
jarr = json_object_get(jport, "interfaces");
if (is_set(jarr)) {
jarr = json_array_get(jarr, 1);
for (i = 0; i < json_array_size(jarr); i++) {
iface = parse_iface(jresult, json_array_get(jarr, i));
if (!iface)
return NULL;
iface->port = port;
if (!port->ifaces)
port->ifaces = iface;
else
ptr->next = iface;
ptr = iface;
port->iface_count++;
}
} else {
iface = parse_iface(jresult, jarr);
if (!iface)
return NULL;
iface->port = port;
port->ifaces = iface;
port->iface_count = 1;
}
if (!strcmp(json_string_value(json_object_get(jport, "name")), br->name))
br->system = port;
return port;
}
static int
libvirt_off(const char *vm_name, const char *src,
uint32_t seqno, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp;
virDomainInfo vdi;
int ret = -1;
dbg_printf(5, "%s %s\n", __FUNCTION__, vm_name);
VALIDATE(info);
if (is_uuid(vm_name)) {
vdp = virDomainLookupByUUIDString(info->vp,
(const char *)vm_name);
} else {
vdp = virDomainLookupByName(info->vp, vm_name);
}
if (!vdp) {
dbg_printf(2, "Nothing to do - domain does not exist\n");
return 1;
}
if (((virDomainGetInfo(vdp, &vdi) == 0) &&
(vdi.state == VIR_DOMAIN_SHUTOFF))) {
dbg_printf(2, "Nothing to do - domain is off\n");
virDomainFree(vdp);
return 0;
}
syslog(LOG_NOTICE, "Destroying domain %s\n", vm_name);
dbg_printf(2, "[OFF] Calling virDomainDestroy\n");
ret = virDomainDestroy(vdp);
if (ret < 0) {
syslog(LOG_NOTICE, "Failed to destroy domain: %d\n", ret);
printf("virDomainDestroy() failed: %d\n", ret);
return 1;
}
if (ret) {
syslog(LOG_NOTICE,
"Domain %s still exists; fencing failed\n",
vm_name);
printf("Domain %s still exists; fencing failed\n", vm_name);
return 1;
}
return 0;
}
static int
libvirt_on(const char *vm_name, const char *src,
uint32_t seqno, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp;
virDomainInfo vdi;
int ret = -1;
dbg_printf(5, "%s %s\n", __FUNCTION__, vm_name);
VALIDATE(info);
if (is_uuid(vm_name)) {
vdp = virDomainLookupByUUIDString(info->vp,
(const char *)vm_name);
} else {
vdp = virDomainLookupByName(info->vp, vm_name);
}
if (vdp &&
((virDomainGetInfo(vdp, &vdi) == 0) &&
(vdi.state != VIR_DOMAIN_SHUTOFF))) {
dbg_printf(2, "Nothing to do - domain is running\n");
if (vdp)
virDomainFree(vdp);
return 0;
}
syslog(LOG_NOTICE, "Starting domain %s\n", vm_name);
dbg_printf(2, "[ON] Calling virDomainCreate\n");
ret = virDomainCreate(vdp);
if (ret < 0) {
syslog(LOG_NOTICE, "Failed to start domain: %d\n", ret);
printf("virDomainCreate() failed: %d\n", ret);
return 1;
}
if (ret) {
syslog(LOG_NOTICE,
"Domain %s did not start\n",
vm_name);
printf("Domain %s did not start\n", vm_name);
return 1;
}
syslog(LOG_NOTICE, "Domain %s started\n", vm_name);
return 0;
}
static struct ovs_if *parse_iface(json_t *jresult, json_t *uuid)
{
struct ovs_if *iface;
json_t *jif, *jarr;
unsigned int i;
if (!is_uuid(uuid))
return NULL;
jif = json_object_get(jresult, "Interface");
jif = json_object_get(jif, json_string_value(json_array_get(uuid, 1)));
jif = json_object_get(jif, "new");
iface = calloc(sizeof(*iface), 1);
if (!iface)
return NULL;
iface->name = strdup(json_string_value(json_object_get(jif, "name")));
iface->type = strdup(json_string_value(json_object_get(jif, "type")));
jarr = json_object_get(jif, "options");
if (!strcmp(iface->type, "vxlan") && is_map(jarr)) {
jarr = json_array_get(jarr, 1);
for (i = 0; i < json_array_size(jarr); i++) {
json_t *jkv;
const char *key, *val;
jkv = json_array_get(jarr, i);
key = json_string_value(json_array_get(jkv, 0));
val = json_string_value(json_array_get(jkv, 1));
if (!strcmp(key, "local_ip"))
iface->local_ip = strdup(val);
else if (!strcmp(key, "remote_ip"))
iface->remote_ip = strdup(val);
}
} else if (!strcmp(iface->type, "patch") && is_map(jarr)) {
jarr = json_array_get(jarr, 1);
for (i = 0; i < json_array_size(jarr); i++) {
json_t *jkv;
const char *key, *val;
jkv = json_array_get(jarr, i);
key = json_string_value(json_array_get(jkv, 0));
val = json_string_value(json_array_get(jkv, 1));
if (!strcmp(key, "peer"))
iface->peer = strdup(val);
}
}
return iface;
}
int
main(int argc, char **argv)
{
int ret;
if (argc < 2) {
printf("Usage: uuidtest <value>\n");
return 1;
}
ret = is_uuid(argv[1]);
if (ret == 0) {
printf("%s is NOT a uuid\n", argv[1]);
} else if (ret == 1) {
printf("%s is a uuid\n", argv[1]);
} else {
printf("Error: %s\n", strerror(errno));
return 1;
}
return 0;
}
static int
libvirt_status(const char *vm_name, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp = NULL;
virDomainInfo vdi;
int ret = 0;
int i;
virDomainPtr (*virt_lookup_fn)(virConnectPtr, const char *);
dbg_printf(5, "ENTER %s %s\n", __FUNCTION__, vm_name);
VALIDATE(info);
if (is_uuid(vm_name))
virt_lookup_fn = virDomainLookupByUUIDString;
else
virt_lookup_fn = virDomainLookupByName;
for (i = 0 ; i < info->vp_count ; i++) {
vdp = virt_lookup_fn(info->vp[i], vm_name);
if (vdp)
break;
}
if (!vdp) {
dbg_printf(2, "[libvirt:STATUS] Unknown VM %s - return OFF\n", vm_name);
return RESP_OFF;
}
if (virDomainGetInfo(vdp, &vdi) == 0 && vdi.state == VIR_DOMAIN_SHUTOFF) {
dbg_printf(2, "[libvirt:STATUS] VM %s is OFF\n", vm_name);
ret = RESP_OFF;
}
if (vdp)
virDomainFree(vdp);
return ret;
}
static struct ovs_bridge *parse_bridge(json_t *jresult, json_t *uuid)
{
struct ovs_bridge *br;
struct ovs_port *ptr = NULL; /* GCC false positive */
struct ovs_port *port;
json_t *jbridge, *jarr;
unsigned int i;
if (!is_uuid(uuid))
return NULL;
jbridge = json_object_get(jresult, "Bridge");
jbridge = json_object_get(jbridge, json_string_value(json_array_get(uuid, 1)));
jbridge = json_object_get(jbridge, "new");
br = calloc(sizeof(*br), 1);
if (!br)
return NULL;
br->name = strdup(json_string_value(json_object_get(jbridge, "name")));
jarr = json_object_get(jbridge, "ports");
if (is_set(jarr)) {
jarr = json_array_get(jarr, 1);
for (i = 0; i < json_array_size(jarr); i++) {
port = parse_port(jresult, json_array_get(jarr, i), br);
if (!port)
return NULL;
if (!br->ports)
br->ports = port;
else
ptr->next = port;
ptr = port;
}
} else
br->ports = parse_port(jresult, jarr, br);
if (!br->ports)
return NULL;
return br;
}
static int
libvirt_reboot(const char *vm_name, const char *src, uint32_t seqno, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp = NULL, nvdp;
virDomainInfo vdi;
char *domain_desc;
virConnectPtr vcp = NULL;
virDomainPtr (*virt_lookup_fn)(virConnectPtr, const char *);
int ret;
int i;
dbg_printf(5, "ENTER %s %s %u\n", __FUNCTION__, vm_name, seqno);
VALIDATE(info);
if (is_uuid(vm_name))
virt_lookup_fn = virDomainLookupByUUIDString;
else
virt_lookup_fn = virDomainLookupByName;
for (i = 0 ; i < info->vp_count ; i++) {
vdp = virt_lookup_fn(info->vp[i], vm_name);
if (vdp) {
vcp = info->vp[i];
break;
}
}
if (!vdp || !vcp) {
dbg_printf(2,
"[libvirt:REBOOT] Nothing to do - domain %s does not exist\n",
vm_name);
return 1;
}
if (virDomainGetInfo(vdp, &vdi) == 0 && vdi.state == VIR_DOMAIN_SHUTOFF) {
dbg_printf(2, "[libvirt:REBOOT] Nothing to do - domain %s is off\n",
vm_name);
virDomainFree(vdp);
return 0;
}
syslog(LOG_NOTICE, "Rebooting domain %s\n", vm_name);
dbg_printf(5, "[libvirt:REBOOT] Rebooting domain %s...\n", vm_name);
domain_desc = virDomainGetXMLDesc(vdp, 0);
if (!domain_desc) {
dbg_printf(5, "[libvirt:REBOOT] Failed getting domain description "
"from libvirt for %s...\n", vm_name);
}
dbg_printf(2, "[libvirt:REBOOT] Calling virDomainDestroy(%p) for %s\n",
vdp, vm_name);
ret = virDomainDestroy(vdp);
if (ret < 0) {
dbg_printf(2,
"[libvirt:REBOOT] virDomainDestroy() failed for %s: %d/%d\n",
vm_name, ret, errno);
if (domain_desc)
free(domain_desc);
virDomainFree(vdp);
return 1;
}
ret = wait_domain(vm_name, vcp, 15);
if (ret) {
syslog(LOG_NOTICE, "Domain %s still exists; fencing failed\n", vm_name);
dbg_printf(2,
"[libvirt:REBOOT] Domain %s still exists; fencing failed\n",
vm_name);
if (domain_desc)
free(domain_desc);
virDomainFree(vdp);
return 1;
}
if (!domain_desc)
return 0;
/* 'on' is not a failure */
ret = 0;
dbg_printf(3, "[[ XML Domain Info ]]\n");
dbg_printf(3, "%s\n[[ XML END ]]\n", domain_desc);
dbg_printf(2, "[libvirt:REBOOT] Calling virDomainCreateLinux() for %s\n",
vm_name);
nvdp = virDomainCreateLinux(vcp, domain_desc, 0);
if (nvdp == NULL) {
/* More recent versions of libvirt or perhaps the
* KVM back-end do not let you create a domain from
* XML if there is already a defined domain description
* with the same name that it knows about. You must
* then call virDomainCreate() */
dbg_printf(2,
"[libvirt:REBOOT] virDomainCreateLinux() failed for %s; "
"Trying virDomainCreate()\n",
vm_name);
if (virDomainCreate(vdp) < 0) {
syslog(LOG_NOTICE, "Could not restart %s\n", vm_name);
dbg_printf(1, "[libvirt:REBOOT] Failed to recreate guest %s!\n",
vm_name);
}
}
free(domain_desc);
virDomainFree(vdp);
return ret;
}
int
do_lq_request(struct lq_info *info, const char *vm_name,
const char *action)
{
std::string vm_state;
const char *property = "name";
if (is_uuid(vm_name) == 1) {
property = "uuid";
}
qmf::ConsoleSession session(lq_open_session(info));
if (!session.isValid()) {
std::cout << "Invalid session." << std::endl;
return 1;
}
qmf::Agent agent;
qmf::Data domain;
int result;
unsigned tries = 0;
bool found = false;
while (++tries < 10 && !found) {
sleep(1);
uint32_t numAgents = session.getAgentCount();
for (unsigned a = 0; !found && a < numAgents; a++) {
agent = session.getAgent(a);
qmf::ConsoleEvent event(queryDomain(agent));
uint32_t numDomains = event.getDataCount();
for (unsigned d = 0; !found && d < numDomains; d++) {
domain = event.getData(d);
qpid::types::Variant prop;
try {
prop = domain.getProperty(property);
} catch (qmf::KeyNotFound e) {
std::cout << e.what() << " - skipping" << std::endl;
continue;
}
if (prop.asString() != vm_name) {
continue;
}
found = true;
}
}
}
if (!found) {
result = 1;
goto out;
}
vm_state = domain.getProperty("state").asString();
std::cout << vm_name << " " << vm_state << std::endl;
int r;
if (vm_state == "running" ||
vm_state == "idle" ||
vm_state == "paused" ||
vm_state == "no state") {
r = RESP_OFF;
} else {
r = 0;
}
if (strcasecmp(action, "state") == 0) {
result = r;
goto out;
}
result = 1;
if (!r && strcasecmp(action, "destroy") == 0) {
std::cout << "Domain is inactive; nothing to do" << std::endl;
result = 0;
goto out;
}
if (r && strcasecmp(action, "create") == 0) {
std::cout << "Domain is active; nothing to do" << std::endl;
result = 0;
goto out;
}
{
qmf::ConsoleEvent response;
response = agent.callMethod(action,
qpid::types::Variant::Map(),
domain.getAddr());
if (response.getType() == qmf::CONSOLE_EXCEPTION) {
std::string errorText;
if (response.getDataCount()) {
qmf::Data responseData(response.getData(0));
qpid::types::Variant code(responseData.getProperty("error_code"));
if (code.getType() == qpid::types::VAR_INT32) {
result = responseData.getProperty("error_code").asInt32();
} else {
result = 7; // Exception
}
qpid::types::Variant text(responseData.getProperty("error_text"));
if (text.getType() != qpid::types::VAR_VOID) {
errorText = text.asString();
}
} else {
result = 7; // Exception
}
std::cout << "Response: " << result;
if (errorText.length()) {
std::cout << " (" << errorText << ")";
}
std::cout << std::endl;
} else { // Success
result = 0;
}
}
out:
session.close();
return result;
}
static int
libvirt_reboot(const char *vm_name, const char *src,
uint32_t seqno, void *priv)
{
struct libvirt_info *info = (struct libvirt_info *)priv;
virDomainPtr vdp, nvdp;
virDomainInfo vdi;
char *domain_desc;
int ret;
//uuid_unparse(vm_uuid, uu_string);
dbg_printf(5, "%s %s\n", __FUNCTION__, vm_name);
VALIDATE(info);
if (is_uuid(vm_name)) {
vdp = virDomainLookupByUUIDString(info->vp,
(const char *)vm_name);
} else {
vdp = virDomainLookupByName(info->vp, vm_name);
}
if (!vdp) {
dbg_printf(2, "[libvirt:REBOOT] Nothing to "
"do - domain does not exist\n");
return 1;
}
if (((virDomainGetInfo(vdp, &vdi) == 0) &&
(vdi.state == VIR_DOMAIN_SHUTOFF))) {
dbg_printf(2, "[libvirt:REBOOT] Nothing to "
"do - domain is off\n");
virDomainFree(vdp);
return 0;
}
syslog(LOG_NOTICE, "Rebooting domain %s\n", vm_name);
printf("Rebooting domain %s...\n", vm_name);
domain_desc = virDomainGetXMLDesc(vdp, 0);
if (!domain_desc) {
printf("Failed getting domain description from "
"libvirt\n");
}
dbg_printf(2, "[REBOOT] Calling virDomainDestroy(%p)\n", vdp);
ret = virDomainDestroy(vdp);
if (ret < 0) {
printf("virDomainDestroy() failed: %d/%d\n", ret, errno);
free(domain_desc);
virDomainFree(vdp);
return 1;
}
ret = wait_domain(vm_name, info->vp, 15);
if (ret) {
syslog(LOG_NOTICE, "Domain %s still exists; fencing failed\n",
vm_name);
printf("Domain %s still exists; fencing failed\n", vm_name);
if (domain_desc)
free(domain_desc);
return 1;
}
if (!domain_desc)
return 0;
/* 'on' is not a failure */
ret = 0;
dbg_printf(3, "[[ XML Domain Info ]]\n");
dbg_printf(3, "%s\n[[ XML END ]]\n", domain_desc);
dbg_printf(2, "Calling virDomainCreateLinux()...\n");
nvdp = virDomainCreateLinux(info->vp, domain_desc, 0);
if (nvdp == NULL) {
/* More recent versions of libvirt or perhaps the
* KVM back-end do not let you create a domain from
* XML if there is already a defined domain description
* with the same name that it knows about. You must
* then call virDomainCreate() */
dbg_printf(2, "Failed; Trying virDomainCreate()...\n");
if (virDomainCreate(vdp) < 0) {
syslog(LOG_NOTICE,
"Could not restart %s\n",
vm_name);
dbg_printf(1, "Failed to recreate guest"
" %s!\n", vm_name);
}
}
free(domain_desc);
return ret;
}
