std::string VM_Controller::get_vm_detail(virDomainPtr dom){
Json::Value j;
j["status"] = "ok";
virDomainInfo info;
if(virDomainGetInfo(dom, &info) < 0){
LOG_ERROR("could not get domain info");
j["status"] = "no such domain";
return j.toStyledString();
}
// basic info
int state;
virDomainGetState(dom, &state, NULL, 0);
j["vm_status"] = state_code2string(state);
if(virDomainIsActive(dom)){
j["id"] = virDomainGetID(dom);
}
j["name"] = virDomainGetName(dom);
j["vcpu"] = virDomainGetMaxVcpus(dom);
j["mem_total"] = (unsigned long long)virDomainGetMaxMemory(dom);
// more detailed info
char *domain_xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_SECURE);
tinyxml2::XMLDocument doc;
doc.Parse(domain_xml);
j["img_path"] = doc.RootElement()
->FirstChildElement("devices")
->FirstChildElement("disk")
->FirstChildElement("source")
->Attribute("file");
tinyxml2::XMLElement *graphics = doc.RootElement()
->FirstChildElement("devices")
->FirstChildElement("graphics");
j["vnc_port"] = graphics->Attribute("port");
virDomainFree(dom);
return j.toStyledString();
}
static PromiseResult CreateVirtDom(EvalContext *ctx, virConnectPtr vc, Attributes a, const Promise *pp)
{
int alloc_file = false;
char *xml_file;
const char *name;
char defaultxml[CF_MAXVARSIZE];
virDomainPtr dom;
int i;
snprintf(defaultxml, CF_MAXVARSIZE - 1,
"<domain type='test'>"
" <name>%s</name>"
" <memory>8388608</memory>"
" <currentMemory>2097152</currentMemory>"
" <vcpu>2</vcpu>" " <os>" " <type>hvm</type>" " </os>" "</domain>", pp->promiser);
for (i = 0; i < CF_MAX_CONCURRENT_ENVIRONMENTS; i++)
{
if (CF_RUNNING[i] > 0)
{
dom = virDomainLookupByID(vc, CF_RUNNING[i]);
name = virDomainGetName(dom);
if (name && strcmp(name, pp->promiser) == 0)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Found a running environment called '%s' - promise kept",
name);
return PROMISE_RESULT_NOOP;
}
virDomainFree(dom);
}
}
for (i = 0; CF_SUSPENDED[i] != NULL; i++)
{
if (strcmp(CF_SUSPENDED[i], pp->promiser) == 0)
{
Log(LOG_LEVEL_INFO, "Found an existing, but suspended, environment id = %s, called '%s'",
CF_SUSPENDED[i], CF_SUSPENDED[i]);
}
}
if(a.env.spec)
{
xml_file = xstrdup(a.env.spec);
alloc_file = true;
}
else
{
Log(LOG_LEVEL_VERBOSE, "No spec file is promised, so reverting to default settings");
xml_file = defaultxml;
}
PromiseResult result = PROMISE_RESULT_NOOP;
if ((dom = virDomainCreateXML(vc, xml_file, 0)))
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Created a virtual domain '%s'", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
if (a.env.cpus != CF_NOINT)
{
int maxcpus;
if ((maxcpus = virConnectGetMaxVcpus(vc, virConnectGetType(vc))) == -1)
{
Log(LOG_LEVEL_VERBOSE, "Can't determine the available CPU resources");
}
else
{
if (a.env.cpus > maxcpus)
{
Log(LOG_LEVEL_INFO,
"The promise to allocate %d CPUs in domain '%s' cannot be kept - only %d exist on the host",
a.env.cpus, pp->promiser, maxcpus);
}
else if (virDomainSetVcpus(dom, (unsigned int) a.env.cpus) == -1)
{
Log(LOG_LEVEL_INFO, "Unable to adjust CPU count to %d", a.env.cpus);
}
else
{
Log(LOG_LEVEL_INFO, "Verified that environment CPU count is now %d", a.env.cpus);
}
}
}
if (a.env.memory != CF_NOINT)
{
unsigned long maxmem;
if ((maxmem = virDomainGetMaxMemory(dom)) == -1)
{
Log(LOG_LEVEL_VERBOSE, "Can't determine the available CPU resources");
}
else
{
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
{
virErrorPtr vp;
vp = virGetLastError();
cfPS(ctx, LOG_LEVEL_ERR, PROMISE_RESULT_FAIL, pp, a,
"Failed to create a virtual domain '%s' - check spec for errors: '%s'", pp->promiser, vp->message);
result = PromiseResultUpdate(result, PROMISE_RESULT_FAIL);
Log(LOG_LEVEL_VERBOSE, "Quoted spec file: %s", xml_file);
}
if (alloc_file)
{
free(xml_file);
}
return result;
}
static int CreateVirtDom(virConnectPtr vc, char *uri, Attributes a, Promise *pp)
{
int alloc_file = false;
char *xml_file;
const char *name;
char defaultxml[CF_MAXVARSIZE];
virDomainPtr dom;
int i;
snprintf(defaultxml, CF_MAXVARSIZE - 1,
"<domain type='test'>"
" <name>%s</name>"
" <memory>8388608</memory>"
" <currentMemory>2097152</currentMemory>"
" <vcpu>2</vcpu>" " <os>" " <type>hvm</type>" " </os>" "</domain>", pp->promiser);
for (i = 0; i < CF_MAX_CONCURRENT_ENVIRONMENTS; i++)
{
if (CF_RUNNING[i] > 0)
{
dom = virDomainLookupByID(vc, CF_RUNNING[i]);
name = virDomainGetName(dom);
if (name && strcmp(name, pp->promiser) == 0)
{
cfPS(cf_verbose, CF_NOP, "", pp, a, " -> Found a running environment called \"%s\" - promise kept\n",
name);
return true;
}
virDomainFree(dom);
}
}
for (i = 0; CF_SUSPENDED[i] != NULL; i++)
{
if (strcmp(CF_SUSPENDED[i], pp->promiser) == 0)
{
CfOut(cf_inform, "", " -> Found an existing, but suspended, environment id = %s, called \"%s\"\n",
CF_SUSPENDED[i], CF_SUSPENDED[i]);
}
}
if(a.env.spec)
{
xml_file = xstrdup(a.env.spec);
alloc_file = true;
}
else
{
CfOut(cf_verbose, "", "No spec file is promised, so reverting to default settings");
xml_file = defaultxml;
}
if ((dom = virDomainCreateXML(vc, xml_file, 0)))
{
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Created a virtual domain \"%s\"\n", pp->promiser);
if (a.env.cpus != CF_NOINT)
{
int maxcpus;
if ((maxcpus = virConnectGetMaxVcpus(vc, virConnectGetType(vc))) == -1)
{
CfOut(cf_verbose, "", " !! Can't determine the available CPU resources");
}
else
{
if (a.env.cpus > maxcpus)
{
CfOut(cf_inform, "",
" !! The promise to allocate %d CPUs in domain \"%s\" cannot be kept - only %d exist on the host",
a.env.cpus, pp->promiser, maxcpus);
}
else if (virDomainSetVcpus(dom, (unsigned int) a.env.cpus) == -1)
{
CfOut(cf_inform, "", " -> Unable to adjust CPU count to %d", a.env.cpus);
}
else
{
CfOut(cf_inform, "", " -> Verified that environment CPU count is now %d", a.env.cpus);
}
}
}
if (a.env.memory != CF_NOINT)
{
unsigned long maxmem;
if ((maxmem = virDomainGetMaxMemory(dom)) == -1)
{
CfOut(cf_verbose, "", " !! Can't determine the available CPU resources");
}
else
{
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
{
virErrorPtr vp;
vp = virGetLastError();
cfPS(cf_verbose, CF_FAIL, "", pp, a,
" !! Failed to create a virtual domain \"%s\" - check spec for errors: %s", pp->promiser, vp->message);
CfOut(cf_verbose, "", "Quoted spec file: %s", xml_file);
}
if (alloc_file)
{
free(xml_file);
}
return true;
}
