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 = 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:ON] Domain %s does not exist\n", vm_name);
return 1;
}
if (virDomainGetInfo(vdp, &vdi) == 0 && vdi.state != VIR_DOMAIN_SHUTOFF) {
dbg_printf(2, "Nothing to do - domain %s is already running\n",
vm_name);
virDomainFree(vdp);
return 0;
}
syslog(LOG_NOTICE, "Starting domain %s\n", vm_name);
dbg_printf(2, "[libvirt:ON] Calling virDomainCreate for %s\n", vm_name);
ret = virDomainCreate(vdp);
virDomainFree(vdp);
if (ret < 0) {
syslog(LOG_NOTICE, "Failed to start domain %s: %d\n", vm_name, ret);
dbg_printf(2, "[libvirt:ON] virDomainCreate() failed for %s: %d\n",
vm_name, ret);
return 1;
}
if (ret) {
syslog(LOG_NOTICE, "Domain %s did not start\n", vm_name);
dbg_printf(2, "[libvirt:ON] Domain %s did not start\n", vm_name);
return 1;
}
syslog(LOG_NOTICE, "Domain %s started\n", vm_name);
dbg_printf(2, "[libvirt:ON] Success for %s\n", vm_name);
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;
}
std::string VM_Controller::open_vm(std::string name){
Json::Value j(Json::objectValue);
j["status"] = "ok";
virDomainPtr dom = virDomainLookupByName(_conn, name.c_str());
if(dom == NULL){
j["status"] = "no such domain";
return j.toStyledString();
}
if(virDomainCreate(dom) < 0){
j["status"] = "could not open domain";
return j.toStyledString();
}
int dom_id;
if( (dom_id = virDomainGetID(dom)) < 0){
j["status"] = "could not get domain id";
return j.toStyledString();
}
j["vm_id"] = dom_id;
return j.toStyledString();
}
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;
}
static PromiseResult RunningVirt(EvalContext *ctx, virConnectPtr vc, Attributes a, const Promise *pp)
{
virDomainPtr dom;
virDomainInfo info;
dom = virDomainLookupByName(vc, pp->promiser);
PromiseResult result = PROMISE_RESULT_NOOP;
if (dom)
{
if (virDomainGetInfo(dom, &info) == -1)
{
cfPS(ctx, LOG_LEVEL_ERR, PROMISE_RESULT_FAIL, pp, a, "Unable to probe virtual domain '%s'", pp->promiser);
virDomainFree(dom);
return PROMISE_RESULT_FAIL;
}
switch (info.state)
{
case VIR_DOMAIN_RUNNING:
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' running - promise kept", pp->promiser);
break;
case VIR_DOMAIN_BLOCKED:
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a,
"Virtual domain '%s' running but waiting for a resource - promise kept as far as possible",
pp->promiser);
break;
case VIR_DOMAIN_SHUTDOWN:
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' is shutting down", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
Log(LOG_LEVEL_VERBOSE,
"It is currently impossible to know whether it will reboot or not - deferring promise check until it has completed its shutdown");
break;
case VIR_DOMAIN_PAUSED:
if (virDomainResume(dom) == -1)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' failed to resume after suspension",
pp->promiser);
virDomainFree(dom);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
return result;
}
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' was suspended, resuming", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
break;
case VIR_DOMAIN_SHUTOFF:
if (virDomainCreate(dom) == -1)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' failed to resume after halting",
pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
virDomainFree(dom);
return result;
}
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' was inactive, booting...", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
break;
case VIR_DOMAIN_CRASHED:
if (virDomainReboot(dom, 0) == -1)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' has crashed and rebooting failed",
pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
virDomainFree(dom);
return result;
}
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' has crashed, rebooting...", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
break;
default:
Log(LOG_LEVEL_VERBOSE, "Virtual domain '%s' is reported as having no state, whatever that means",
pp->promiser);
break;
}
if (a.env.cpus > 0)
{
if (virDomainSetVcpus(dom, a.env.cpus) == -1)
{
Log(LOG_LEVEL_INFO, " Unable to set the number of cpus to %d", a.env.cpus);
}
else
{
Log(LOG_LEVEL_INFO, "Setting the number of virtual cpus to %d", a.env.cpus);
}
}
if (a.env.memory != CF_NOINT)
{
if (virDomainSetMaxMemory(dom, (unsigned long) a.env.memory) == -1)
{
Log(LOG_LEVEL_INFO, " Unable to set the memory limit to %d", a.env.memory);
}
else
{
Log(LOG_LEVEL_INFO, "Setting the memory limit to %d", a.env.memory);
}
if (virDomainSetMemory(dom, (unsigned long) a.env.memory) == -1)
{
Log(LOG_LEVEL_INFO, " Unable to set the current memory to %d", a.env.memory);
}
}
if (a.env.disk != CF_NOINT)
{
Log(LOG_LEVEL_VERBOSE, "Info: env_disk parameter is not currently supported on this platform");
}
virDomainFree(dom);
}
else
{
Log(LOG_LEVEL_VERBOSE, "Virtual domain '%s' cannot be located, attempting to recreate", pp->promiser);
result = PromiseResultUpdate(result, CreateVirtDom(ctx, vc, a, pp));
}
return result;
}
int main(int argc, char *argv[])
{
virConnectPtr conn;
virDomainPtr vdp;
int i=-1,ch;
char *host;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Failed to open connection to xen:///\n");
return 1;
}
//host = virConnectGetHostname(conn);
vdp=virDomainLookupByName(conn,"ubuntu_connection");
printf("\nMenu\n----\n1.Connect\n2.Suspend\n3.Resume\n 4.Shutdown\n");
printf("Enter your choice:\n");
scanf("%d",&ch);
switch(ch) {
case 1:
i=virDomainCreate(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
case 2:
/* suspend*/
i=virDomainSuspend(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
case 3:
/*resume*/
i=virDomainResume(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
case 4:
/*shutdown*/
i=virDomainDestroy(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
default:
printf("INVALID");
virConnectClose(conn);
return 0;
}
}
static int RunningVirt(virConnectPtr vc, char *uri, Attributes a, Promise *pp)
{
virDomainPtr dom;
virDomainInfo info;
dom = virDomainLookupByName(vc, pp->promiser);
if (dom)
{
if (virDomainGetInfo(dom, &info) == -1)
{
cfPS(cf_inform, CF_FAIL, "", pp, a, " !! Unable to probe virtual domain \"%s\"", pp->promiser);
virDomainFree(dom);
return false;
}
switch (info.state)
{
case VIR_DOMAIN_RUNNING:
cfPS(cf_verbose, CF_NOP, "", pp, a, " -> Virtual domain \"%s\" running - promise kept\n", pp->promiser);
break;
case VIR_DOMAIN_BLOCKED:
cfPS(cf_verbose, CF_NOP, "", pp, a,
" -> Virtual domain \"%s\" running but waiting for a resource - promise kept as far as possible\n",
pp->promiser);
break;
case VIR_DOMAIN_SHUTDOWN:
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" is shutting down\n", pp->promiser);
CfOut(cf_verbose, "",
" -> It is currently impossible to know whether it will reboot or not - deferring promise check until it has completed its shutdown");
break;
case VIR_DOMAIN_PAUSED:
if (virDomainResume(dom) == -1)
{
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" failed to resume after suspension\n",
pp->promiser);
virDomainFree(dom);
return false;
}
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Virtual domain \"%s\" was suspended, resuming\n", pp->promiser);
break;
case VIR_DOMAIN_SHUTOFF:
if (virDomainCreate(dom) == -1)
{
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" failed to resume after halting\n",
pp->promiser);
virDomainFree(dom);
return false;
}
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Virtual domain \"%s\" was inactive, booting...\n", pp->promiser);
break;
case VIR_DOMAIN_CRASHED:
if (virDomainReboot(dom, 0) == -1)
{
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" has crashed and rebooting failed\n",
pp->promiser);
virDomainFree(dom);
return false;
}
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Virtual domain \"%s\" has crashed, rebooting...\n", pp->promiser);
break;
default:
CfOut(cf_verbose, "", " !! Virtual domain \"%s\" is reported as having no state, whatever that means",
pp->promiser);
break;
}
if (a.env.cpus > 0)
{
if (virDomainSetVcpus(dom, a.env.cpus) == -1)
{
CfOut(cf_inform, "", " !!! Unable to set the number of cpus to %d", a.env.cpus);
}
else
{
CfOut(cf_inform, "", " -> Setting the number of virtual cpus to %d", a.env.cpus);
}
}
if (a.env.memory != CF_NOINT)
{
if (virDomainSetMaxMemory(dom, (unsigned long) a.env.memory) == -1)
{
CfOut(cf_inform, "", " !!! Unable to set the memory limit to %d", a.env.memory);
}
else
{
CfOut(cf_inform, "", " -> Setting the memory limit to %d", a.env.memory);
}
if (virDomainSetMemory(dom, (unsigned long) a.env.memory) == -1)
{
CfOut(cf_inform, "", " !!! Unable to set the current memory to %d", a.env.memory);
}
}
if (a.env.disk != CF_NOINT)
{
CfOut(cf_verbose, "", " -> Info: env_disk parameter is not currently supported on this platform");
}
virDomainFree(dom);
}
else
{
CfOut(cf_verbose, "", " -> Virtual domain \"%s\" cannot be located, attempting to recreate", pp->promiser);
CreateVirtDom(vc, uri, a, pp);
}
return true;
}
void main()
{
virConnectPtr connection;
virDomainPtr vdp_id, vdp_name;
int i,ret_val=-1;
int ch,ch_id,domainnum;
int *domains;
char name[25];
const char *active_name;
connection = virConnectOpen("xen:///");
if (connection == NULL)
{ fprintf(stderr, "Error opening connection to XEN:/// \n");
exit(1);
}
else
{
domainnum=virConnectNumOfDomains(connection);
domains=malloc(sizeof(int) * domainnum);
domainnum = virConnectListDomains(connection, domains, domainnum);
printf("\t\t ----Active Domains---- \n");
for (i = 0 ; i < domainnum ; i++)
{
vdp_id=virDomainLookupByID(connection,i);
active_name=virDomainGetName(vdp_id);
printf(" \t\t%s \n", active_name);
}
free(domains);
while(1)
{
printf("1.Start\n2.Suspend\n3.Resume\n4.stop\n5.exit\n ");
printf("Enter Your Choice : ");
scanf("%d",&ch);
if(ch != 5)
{
printf("\n Please Insert the Active Domian Name: ");
scanf("%s",name);
vdp_name = virDomainLookupByName(connection,name);
}
switch(ch)
{
case 1:
ret_val=virDomainCreate(vdp_name);
if(ret_val==0)
printf("Domain %s started\n", name);
else
printf("Start Operation Failed\n");
break;
case 2:
ret_val=virDomainSuspend(vdp_name);
if(ret_val==0)
printf("Domain %s Suspended\n", name);
else
printf("Suspend Operation Failed\n");
break;
case 3:
ret_val=virDomainResume(vdp_name);
if(ret_val==0)
printf("Domain %s Resumed\n", name);
else
printf("Resume Operation Failed\n");
break;
case 4:
ret_val=virDomainShutdown(vdp_name);
if(ret_val==0)
printf("Domain %s Stopped\n", name);
else
printf("Stop Operation Failed\n");
break;
case 5:
exit(1);
default:
exit(1);
}
}
virConnectClose(connection);
}
}
void main()
{
int i,val=-1,ch,no_domains;
char name[50];
int *act_domains;
virConnectPtr con_ptr;
virDomainPtr dom_ptr;
con_ptr = virConnectOpen("xen:///");
if (con_ptr == NULL) {
fprintf(stderr, "Error opening connection to XEN:/// \n");
return 1;
}
else
{
no_domains=virConnectNumOfDomains(con_ptr);
act_domains=malloc(sizeof(int) * no_domains);
no_domains = virConnectListDomains(con_ptr, act_domains, no_domains);
free(act_domains);
while(1)
{
printf("1.Start\n2.Suspend\n3.Resume\n4.Shutdown\n5.exit ");
scanf("%d",&ch);
printf("\n Enter Active Domian name ");
scanf("%s",&name);
dom_ptr=virDomainLookupByName(con_ptr,name);
switch(ch)
{
case 1:
val=virDomainCreate(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 2:
val=virDomainSuspend(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 3:
val=virDomainResume(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 4:
val=virDomainShutdown(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
default:exit(1);
}
}
virConnectClose(con_ptr);
}
}
static int
testDomainStartStopEvent(const void *data)
{
const objecteventTest *test = data;
lifecycleEventCounter counter;
int eventId = VIR_DOMAIN_EVENT_ID_LIFECYCLE;
int id;
int ret = -1;
virDomainPtr dom;
virConnectPtr conn2 = NULL;
virDomainPtr dom2 = NULL;
lifecycleEventCounter_reset(&counter);
dom = virDomainLookupByName(test->conn, "test");
if (dom == NULL)
return -1;
id = virConnectDomainEventRegisterAny(test->conn, dom, eventId,
VIR_DOMAIN_EVENT_CALLBACK(&domainLifecycleCb),
&counter, NULL);
/* Test domain is started */
virDomainDestroy(dom);
virDomainCreate(dom);
if (virEventRunDefaultImpl() < 0)
goto cleanup;
if (counter.startEvents != 1 || counter.stopEvents != 1 ||
counter.unexpectedEvents > 0)
goto cleanup;
/* Repeat the test, but this time, trigger the events via an
* alternate connection. */
if (!(conn2 = virConnectOpen("test:///default")))
goto cleanup;
if (!(dom2 = virDomainLookupByName(conn2, "test")))
goto cleanup;
if (virDomainDestroy(dom2) < 0)
goto cleanup;
if (virDomainCreate(dom2) < 0)
goto cleanup;
if (virEventRunDefaultImpl() < 0)
goto cleanup;
if (counter.startEvents != 2 || counter.stopEvents != 2 ||
counter.unexpectedEvents > 0)
goto cleanup;
ret = 0;
cleanup:
virConnectDomainEventDeregisterAny(test->conn, id);
virDomainFree(dom);
if (dom2)
virDomainFree(dom2);
if (conn2)
virConnectClose(conn2);
return ret;
}
/**
* @brief starts the domain
* @return true if the domain started without error, otherwise false
*/
bool Domain::start()
{
// TODO(txwikinger): check if it can be started
return (virDomainCreate(m_domain) == 0);
}
int main(int argc, char *argv[])
{
virConnectPtr conn;
virDomainPtr vdp;
int val=-1;
int choice;
char *host;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Failed to open connection to xen:///\n");
return 1;
}
printf("1.Suspend\n2.Resume\n3.Stop\n4.Start\n4.Exit");
scanf("%d",&choice);
while(1)
{
vdp=virDomainLookupById(conn,1);
if(choice==1)
{
/* suspend*/
val=virDomainSuspend(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==2)
{
/*resume*/
val=virDomainResume(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==3)
{
/*shutdown*/
val=virDomainDestroy(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==4)
{
/*start*/
val=virDomainCreate(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==5)
{
virConnectClose(conn);
break;
}
}
return 0;
}
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;
}
void run(char *myIP, virConnectPtr localhost) {
printf("*** New run\n");
virDomainPtr *domains, *domainsptr;
virConnectListAllDomains(localhost, &domains, VIR_CONNECT_LIST_DOMAINS_ACTIVE|VIR_CONNECT_LIST_DOMAINS_INACTIVE|VIR_CONNECT_LIST_DOMAINS_RUNNING|VIR_CONNECT_LIST_DOMAINS_SHUTOFF);
domainsptr = domains;
char **domainuuids = malloc(sizeof(char*)*1024);
char **domainuuidsptr = domainuuids;
*domainuuids = NULL;
printf("Domains\n");
while(*domainsptr != NULL) {
char buf[VIR_UUID_STRING_BUFLEN];
virDomainGetUUIDString(*domainsptr, buf);
const char *name = virDomainGetName(*domainsptr);
if (!strncmp("ignore",name,strlen("ignore"))) {
domainsptr++;
continue;
}
printf("%s\n", buf);
*(domainuuidsptr++) = strdup(buf);
*domainuuidsptr = NULL;
domainsptr++;
}
domainuuidsptr = domainuuids;
size_t domainuuids_count=0;
while(*domainuuidsptr != NULL) domainuuidsptr++, domainuuids_count++;
domainuuidsptr = domainuuids;
domainsptr = domains;
char **hosts = gethosts();
char **hostsptr=hosts;
size_t hosts_count = 0;
while (*hostsptr != NULL) hosts_count++, hostsptr++;
hostsptr = hosts;
struct hostwithvmhash **cs = malloc(sizeof(struct hostwithvmhash)*1024);
*cs = NULL;
struct hostwithvmhash **csptr = cs;
int sign=0;
while(*hostsptr != NULL) {
if (!strcmp(*hostsptr, myIP)) printf("ME! ");
sign = !sign;
size_t k=1;
while(*domainuuidsptr != NULL) {
/* char *num = "$6$hest";
char *hash = crypt(*domainuuidsptr, num);
char *hash2 = crypt(*hostsptr, num);*/
struct hostwithvmhash *c=malloc(sizeof(struct hostwithvmhash));
c->host = *hostsptr;
// c->host_hash = strdup(hash+10);
c->vm = *domainuuidsptr;
// c->vm_hash = strdup(hash2+10);
c->combined = malloc(10000);
strcpy(c->combined, "");
strcat(c->combined, c->host);
strcat(c->combined, c->vm);
//c->combined = strdup(crypt(c->combined, num));
*(csptr++) = c;
*csptr = NULL;
domainuuidsptr++;
}
domainuuidsptr = domainuuids;
printf("%s\n", *hostsptr);
/* char URL[512];
sprintf(URL, "qemu+ssh://%s/system", *hosts);
virConnectPtr dest = virConnectOpen(URL);
*(destsptr++) = dest;
*destsptr = NULL;*/
hostsptr++;
}
csptr = cs;
printf("\n");
size_t count=0;
while(*csptr != NULL) count++, csptr++;
csptr = cs;
qsort(csptr, count, sizeof(struct hostwithvmhash*), (__compar_fn_t)cscompare);
struct hostwithvmhash **csptrptr = csptr;
size_t i=0,k=0,j=0,q=1,m=0;
char *last_host=NULL,*last_vm=NULL;
struct hostwithvmhash **seen=malloc(sizeof(struct hostwithvmhash*)*1024);
*seen = NULL;
struct hostwithvmhash **seenptr=seen;
struct hostwithvmhash **seenaddptr=seen;
while(*csptrptr != NULL) {
if (last_host == NULL || strcmp(last_host, (*csptrptr)->host))
last_host = (*csptrptr)->host,k++;
seenptr=seen;
int is_seen=0;
while(*seenptr != NULL) {
if (!strcmp((*seenptr)->vm, (*csptrptr)->vm))
is_seen=1;
seenptr++;
}
if (!is_seen) {
m++,*(seenaddptr++) = *csptrptr, *seenaddptr = NULL;
(*csptrptr)->prio = 100*m+(k+m)%hosts_count;
if (m == domainuuids_count)
m = 0, seenaddptr=seenptr=seen,*seen=NULL;
} else
(*csptrptr)->prio = k;
csptrptr++;
}
qsort(csptr, count, sizeof(struct hostwithvmhash*), (__compar_fn_t)cscompareprio);
struct hostwithvmhash **cleaned = cleanlist(csptr);
struct hostwithvmhash **cleanedstart = cleaned;
while(*cleaned != NULL) {
virDomainPtr d = virDomainLookupByUUIDString(localhost, (*cleaned)->vm);
const char *name = virDomainGetName(d);
int state, reason;
virDomainGetState(d, &state, &reason, 0);
if (!strcmp((*cleaned)->host, myIP)) {
printf("I should be running %s (%s)\n", name, (*cleaned)->vm);
if (state == VIR_DOMAIN_RUNNING)
printf("...and it's running.\n");
else
virDomainCreate(d);
} else {
printf("I should NOT be running %s (%s)\n", name, (*cleaned)->vm);
if (state == VIR_DOMAIN_RUNNING) {
printf("Destroying.\n");
virDomainDestroy(d);
} else
printf("...and it's not running.\n");
}
if (d) {
virDomainFree(d);
}
//printf("prio:%d host:%s, vm:%s combined:%s\n", (*cleaned)->prio, (*cleaned)->host, (*cleaned)->vm, (*cleaned)->combined);
cleaned++;
}
domainuuidsptr = domainuuids;
while(*domainuuidsptr != NULL) {
free(*domainuuidsptr);
domainuuidsptr++;
}
free(domainuuids);
free(cleanedstart);
csptr = cs;
while(*csptr != NULL) {
free((*csptr)->combined);
free(*csptr);
csptr++;
}
free(cs);
free(seen);
hostsptr = hosts;
while(*hostsptr != NULL) {
free(*hostsptr);
hostsptr++;
}
free(hosts);
domainsptr = domains;
while(*domainsptr != NULL) {
virDomainFree(*domainsptr);
domainsptr++;
}
free(domains);
/*
virDomainPtr *domains;
virConnectListAllDomains(src, &domains, VIR_CONNECT_LIST_DOMAINS_ACTIVE);
while(*domains != NULL) {
char *config = virDomainGetXMLDesc(*domains, 0);
char uuid[VIR_UUID_BUFLEN];
char uuidstr[VIR_UUID_STRING_BUFLEN];
virDomainGetUUIDString(*domains, uuidstr);
virDomainGetUUID(*domains, uuid);
destsptr = dests;
while (*destsptr != NULL) {
virConnectPtr dest = *destsptr;
virDomainPtr d = virDomainLookupByUUID(dest, uuid);
if (d)
printf("%s already in dest\n", uuidstr);
if (!d) {
printf("%s\n", config);
printf("Injecting domain on dest\n");
virDomainPtr new = virDomainDefineXML(dest, config);
}
fflush(stdout);
destsptr++;
}
domains++;
}*/
}
void main()
{
int i,val=-1,choice,choice_id,num_domains;
int *active_domains;
virConnectPtr conn;
virDomainPtr vdp;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Error opening connection to XEN:/// \n");
return 1;
}
else
{
//For finding Active Devices
num_domains=virConnectNumOfDomains(conn);
active_domanins=malloc(sizeof(int) * num_domains);
num_domains = virConnectListDomains(conn, active_domains, num_domains);
printf("Active domain IDs : \n");
for (i = 0 ; i < num_domains ; i++) {
printf(" %d\n", active_domains[i]);
}
free(active_domains);
while(1)
{
printf("1.Start\n2.Suspend\n3.Resume\n4.stop\n5.exit ");
scanf("%d",&choice);
printf("\n Please Insert the Active Domian ID ");
scanf("%d",&choice_id);
vdp=virDomainLookupById(conn,choice_id);
switch(choice)
{
case 1:/* Start */
val=virDomainCreate(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 2:/* Suspend */
val=virDomainSuspend(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 3:/* Resume */
val=virDomainResume(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 4: /* stop */
val=virDomainStop(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
default:exit(1);
}
}
virConnectClose(conn);
}
}
int
main(int argc, char **argv)
{
virConfPtr conf = NULL;
const char *login_shell_path = conf_file;
pid_t cpid = -1;
int ret = EXIT_CANCELED;
int status;
uid_t uid = getuid();
gid_t gid = getgid();
char *name = NULL;
char **shargv = NULL;
virSecurityModelPtr secmodel = NULL;
virSecurityLabelPtr seclabel = NULL;
virDomainPtr dom = NULL;
virConnectPtr conn = NULL;
char *homedir = NULL;
int arg;
int longindex = -1;
int ngroups;
gid_t *groups = NULL;
ssize_t nfdlist = 0;
int *fdlist = NULL;
int openmax;
size_t i;
struct option opt[] = {
{"help", no_argument, NULL, 'h'},
{"version", optional_argument, NULL, 'V'},
{NULL, 0, NULL, 0}
};
if (virInitialize() < 0) {
fprintf(stderr, _("Failed to initialize libvirt error handling"));
return EXIT_CANCELED;
}
setenv("PATH", "/bin:/usr/bin", 1);
virSetErrorFunc(NULL, NULL);
virSetErrorLogPriorityFunc(NULL);
progname = argv[0];
if (!setlocale(LC_ALL, "")) {
perror("setlocale");
/* failure to setup locale is not fatal */
}
if (!bindtextdomain(PACKAGE, LOCALEDIR)) {
perror("bindtextdomain");
return ret;
}
if (!textdomain(PACKAGE)) {
perror("textdomain");
return ret;
}
while ((arg = getopt_long(argc, argv, "hV", opt, &longindex)) != -1) {
switch (arg) {
case 'h':
usage();
exit(EXIT_SUCCESS);
case 'V':
show_version();
exit(EXIT_SUCCESS);
case '?':
default:
usage();
exit(EXIT_CANCELED);
}
}
if (argc > optind) {
virReportSystemError(EINVAL, _("%s takes no options"), progname);
goto cleanup;
}
if (uid == 0) {
virReportSystemError(EPERM, _("%s must be run by non root users"),
progname);
goto cleanup;
}
name = virGetUserName(uid);
if (!name)
goto cleanup;
homedir = virGetUserDirectoryByUID(uid);
if (!homedir)
goto cleanup;
if (!(conf = virConfReadFile(login_shell_path, 0)))
goto cleanup;
if ((ngroups = virGetGroupList(uid, gid, &groups)) < 0)
goto cleanup;
if (virLoginShellAllowedUser(conf, name, groups) < 0)
goto cleanup;
if (!(shargv = virLoginShellGetShellArgv(conf)))
goto cleanup;
conn = virConnectOpen("lxc:///");
if (!conn)
goto cleanup;
dom = virDomainLookupByName(conn, name);
if (!dom)
goto cleanup;
if (!virDomainIsActive(dom) && virDomainCreate(dom)) {
virErrorPtr last_error;
last_error = virGetLastError();
if (last_error->code != VIR_ERR_OPERATION_INVALID) {
virReportSystemError(last_error->code,
_("Can't create %s container: %s"),
name, last_error->message);
goto cleanup;
}
}
openmax = sysconf(_SC_OPEN_MAX);
if (openmax < 0) {
virReportSystemError(errno, "%s",
_("sysconf(_SC_OPEN_MAX) failed"));
goto cleanup;
}
if ((nfdlist = virDomainLxcOpenNamespace(dom, &fdlist, 0)) < 0)
goto cleanup;
if (VIR_ALLOC(secmodel) < 0)
goto cleanup;
if (VIR_ALLOC(seclabel) < 0)
goto cleanup;
if (virNodeGetSecurityModel(conn, secmodel) < 0)
goto cleanup;
if (virDomainGetSecurityLabel(dom, seclabel) < 0)
goto cleanup;
if (virSetUIDGID(0, 0, NULL, 0) < 0)
goto cleanup;
if (virDomainLxcEnterSecurityLabel(secmodel, seclabel, NULL, 0) < 0)
goto cleanup;
if (nfdlist > 0 &&
virDomainLxcEnterNamespace(dom, nfdlist, fdlist, NULL, NULL, 0) < 0)
goto cleanup;
if (virSetUIDGID(uid, gid, groups, ngroups) < 0)
goto cleanup;
if (chdir(homedir) < 0) {
virReportSystemError(errno, _("Unable to chdir(%s)"), homedir);
goto cleanup;
}
/* A fork is required to create new process in correct pid namespace. */
if ((cpid = virFork()) < 0)
goto cleanup;
if (cpid == 0) {
int tmpfd;
for (i = 3; i < openmax; i++) {
tmpfd = i;
VIR_MASS_CLOSE(tmpfd);
}
if (execv(shargv[0], (char *const*) shargv) < 0) {
virReportSystemError(errno, _("Unable to exec shell %s"),
shargv[0]);
virDispatchError(NULL);
return errno == ENOENT ? EXIT_ENOENT : EXIT_CANNOT_INVOKE;
}
}
/* At this point, the parent is now waiting for the child to exit,
* but as that may take a long time, we release resources now. */
cleanup:
if (nfdlist > 0)
for (i = 0; i < nfdlist; i++)
VIR_FORCE_CLOSE(fdlist[i]);
VIR_FREE(fdlist);
virConfFree(conf);
if (dom)
virDomainFree(dom);
if (conn)
virConnectClose(conn);
virStringFreeList(shargv);
VIR_FREE(name);
VIR_FREE(homedir);
VIR_FREE(seclabel);
VIR_FREE(secmodel);
VIR_FREE(groups);
if (virProcessWait(cpid, &status, true) == 0)
virProcessExitWithStatus(status);
if (virGetLastError())
virDispatchError(NULL);
return ret;
}
