Ejemplo n.º 1
0
static void getDomainInfo(int id) {
	virConnectPtr conn = NULL; /* the hypervisor connection */
	virDomainPtr dom = NULL;   /* the domain being checked */
	virDomainInfo info;        /* the information being fetched */
	int ret;

	/* NULL means connect to local Xen hypervisor */
	conn = virConnectOpenReadOnly(NULL);
	if (conn == NULL) {
		fprintf(stderr, "Failed to connect to hypervisor\n");
		goto error;
	}

	/* Find the domain of the given id */
	dom = virDomainLookupByID(conn, id);
	if (dom == NULL) {
		fprintf(stderr, "Failed to find Domain %d\n", id);
		goto error;
	}

	/* Get the information */
	ret = virDomainGetInfo(dom, &info);
	if (ret < 0) {
		fprintf(stderr, "Failed to get information for Domain %d\n", id);
		goto error;
	}

	printf("Domains %d: %d CPUs\n", id, info.nrVirtCpu);

error:
	if (dom != NULL)
		virDomainFree(dom);
	if (conn != NULL)
		virConnectClose(conn);
}
Ejemplo n.º 2
0
/* ---------------
 * Misc utils
 * ---------------
 */
int
virshDomainState(vshControl *ctl, virDomainPtr dom, int *reason)
{
    virDomainInfo info;
    virshControlPtr priv = ctl->privData;

    if (reason)
        *reason = -1;

    if (!priv->useGetInfo) {
        int state;
        if (virDomainGetState(dom, &state, reason, 0) < 0) {
            virErrorPtr err = virGetLastError();
            if (err && err->code == VIR_ERR_NO_SUPPORT)
                priv->useGetInfo = true;
            else
                return -1;
        } else {
            return state;
        }
    }

    /* fall back to virDomainGetInfo if virDomainGetState is not supported */
    if (virDomainGetInfo(dom, &info) < 0)
        return -1;
    else
        return info.state;
}
Ejemplo n.º 3
0
int libvirt_domain_save(char * name, int idonweb)
{
    virDomainPtr domain;
    domain = virDomainLookupByName(g_conn, name);
    if (domain == NULL) {
        logerror(_("%s: connect domain by name(%s) error.\n"),
                   __func__, name);
        return -1;
    }

    virDomainInfo info;

    if (virDomainGetInfo(dom, &info) < 0) {
        logprintfl(SCERROR, "Cannot check guest state\n");
        return -3;
    }

    if (info.state == VIR_DOMAIN_SHUTOFF) {
        logprintfl(SCERROR, "Not saving guest that isn't running\n");
        return -4;
    }
    const char *filename = "";
    if (virDomainSave(dom, filename) < 0) {
        fprintf(stderr, "Unable to save guest to %s\n", filename);
    }

    fprintf(stdout, "Guest state saved to %s\n", filename);

    virConnectClose(conn);
    return 0;

}
Ejemplo n.º 4
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;
}
Ejemplo n.º 5
0
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;
}
Ejemplo n.º 6
0
int libvirt_node_info_update(NodeInfo * ni)
{
    if (g_conn == NULL || ni == NULL)
        return -1;

    int ret = -1;
    int cpu_commit = 0;
    unsigned int mem_commit = 0;
    int *activeDomains = NULL;

    __this_lock();

    int numDomains = virConnectNumOfDomains(g_conn);
    if (numDomains <= 0) {
        ret = numDomains;
        goto out;
    }

    activeDomains = malloc(sizeof(int) * numDomains);
    if (activeDomains == NULL) {
        logerror(_("error in %s(%d)\n"), __func__, __LINE__);
        goto out;
    }

    numDomains = virConnectListDomains(g_conn, activeDomains, numDomains);
    if (numDomains <= 0) {
        ret = numDomains;
        goto out;
    }
    for (int i = 0; i< numDomains; i++) {
        /* skip id dom 0 */
        if (activeDomains[i] == 0)
            continue;
        virDomainPtr d = virDomainLookupByID(g_conn, activeDomains[i]);
	if (d == NULL) {
            logerror(_("error in %s(%d)\n"), __func__, __LINE__);
            goto out;
        }
        virDomainInfo di;
	if (virDomainGetInfo(d, &di)) {
            logerror(_("error in %s(%d)\n"), __func__, __LINE__);
            goto out;
        }
        cpu_commit += di.nrVirtCpu;
        mem_commit += di.maxMem;
        virDomainFree(d);
    }
    ni->cpu_commit = cpu_commit;
    ni->mem_commit = mem_commit;
    ret = numDomains;

out:
    __this_unlock();

    if (activeDomains)
        free(activeDomains);

    return ret;
}
Ejemplo n.º 7
0
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;
}
Ejemplo n.º 8
0
static int
suspend_and_resume(virConnectPtr conn,
                   const char *dom_name,
                   unsigned int seconds)
{
    int ret = -1;
    virDomainPtr dom;
    virDomainInfo dom_info;

    if (!(dom = virDomainLookupByName(conn, dom_name))) {
        ERROR("Unable to find domain '%s'", dom_name);
        goto cleanup;
    }

    if (virDomainGetInfo(dom, &dom_info) < 0) {
        ERROR("Unable to get domain info");
        goto cleanup;
    }

    DEBUG("Domain state %d", dom_info.state);

    switch (dom_info.state) {
    case VIR_DOMAIN_NOSTATE:
    case VIR_DOMAIN_RUNNING:
    case VIR_DOMAIN_BLOCKED:
        /* In these states the domain can be suspended */
        DEBUG("Suspending domain");
        if (virDomainSuspend(dom) < 0) {
            ERROR("Unable to suspend domain");
            goto cleanup;
        }

        DEBUG("Domain suspended. Entering sleep for %u seconds.", seconds);
        sleep(seconds);
        DEBUG("Sleeping done. Resuming the domain.");

        if (virDomainResume(dom) < 0) {
            ERROR("Unable to resume domain");
            goto cleanup;
        }
        break;

    default:
        /* In all other states domain can't be suspended */
        ERROR("Domain is not in a state where it can be suspended: %d",
              dom_info.state);
        goto cleanup;
    }

    ret = 0;
 cleanup:
    if (dom)
        virDomainFree(dom);
    return ret;
}
Ejemplo n.º 9
0
/**
 * checkDomainState:
 * @dom: the domain
 *
 * Return the current state of a domain or -1 if non-exsitant
 */
static int
checkDomainState(virDomainPtr dom) {
    virDomainInfo info;        /* the information being fetched */
    int ret;

    ret = virDomainGetInfo(dom, &info);
    if (ret < 0) {
        return(-1);
    }
    return(info.state);
}
Ejemplo n.º 10
0
static int
registerExisting(virConnectPtr vp, const char *path, int mode)
{
	int *d_ids = NULL;
	int d_count, x;
	virDomainPtr dom;
	virDomainInfo d_info;

	errno = EINVAL;
	if (!vp)
		return -1;

	d_count = virConnectNumOfDomains(vp);
	if (d_count <= 0) {
		if (d_count == 0) {
			/* Successful, but no domains running */
			errno = 0;
			return 0;
		}
		goto out_fail;
	}

	d_ids = malloc(sizeof (int) * d_count);
	if (!d_ids)
		goto out_fail;

	if (virConnectListDomains(vp, d_ids, d_count) < 0)
		goto out_fail;

	/* Ok, we have the domain IDs - let's get their names and states */
	for (x = 0; x < d_count; x++) {
		dom = virDomainLookupByID(vp, d_ids[x]);
		if (!dom) {
			/* XXX doom */
			goto out_fail;
		}

		if (virDomainGetInfo(dom, &d_info) < 0) {
			/* XXX no info for the domain?!! */
			virDomainFree(dom);
			goto out_fail;
		}

		if (d_info.state != VIR_DOMAIN_SHUTOFF &&
		    d_info.state != VIR_DOMAIN_CRASHED)
			domainStarted(dom, path, mode);

		virDomainFree(dom);
	}

      out_fail:
	free(d_ids);
	return 0;
}
Ejemplo n.º 11
0
static int
checkDomainState(virDomainPtr dom) {
    virDomainInfo info;
    int ret;

    ret = virDomainGetInfo(dom, &info);
    if (ret < 0 ) {
        return(-1);
    }
    return(info.state);
}
Ejemplo n.º 12
0
/* 
 * CPU bandwidth allocation, e.g. 40% CPU, cpu_bw_perc ~ [0 - 100%]
 * TODO: don't support dynamically change the "period" parameter yet, it only 
 * allocate cpu_quota according to the current period and bw_percentage
 * TODO: think about the real situation, say we have 8 pCPUs, and the domain
 * has 2 vCPUs. The the domain take 2 / 8 = 25% of the total physical CPU 
 * resource at most. Does cfs.quota / cfs.period work for only ONE CPU or mean
 * all CPUs ? If it aims at one CPU, the following function works for each vCPU
 * of the domain, then it should never exceed its upper bound.
 */
int alloccpu(virConnectPtr conn, virDomainPtr domain, double cpu_bw_perc)
{
    int ret = -1;
    unsigned long long cpu_period;
    long long cpu_quota = -1;
    virNodeInfo nodeinfo;
    virDomainInfo dominfo;
    unsigned int nr_pcpu = 0, nr_vcpu = 0;

    printf("cpu_bw_perc = %.2lf | ", cpu_bw_perc);

    if (-1 == virNodeGetInfo(conn, &nodeinfo))
        goto cleanup;
    nr_pcpu = nodeinfo.cpus;
    printf("nr_pcpu = %u | ", nr_pcpu);

    if (-1 == virDomainGetInfo(domain, &dominfo))
        goto cleanup;
    nr_vcpu = dominfo.nrVirtCpu;
    printf("nr_vcpu = %u | ", nr_vcpu);

    if (-1 == get_vcpu_period(domain, &cpu_period))
       goto cleanup;
       printf("cpu_period = %llu | ", cpu_period);

    if (cpu_bw_perc <= (double)(nr_vcpu*100/nr_pcpu)) {
        /* 
         * Compute the new quota which should be allocated to the domain, the 
         * quota is applied to each vcpu, thus the cpu_bw_percentage should be
         * divided by nr_vcpu.
         */
        cpu_quota = 
            (long long)(cpu_bw_perc / nr_vcpu * nr_pcpu * cpu_period);
        printf("Choose 1:cpu_quota = %lld\n", cpu_quota);
    }
    else
    {
        /* 
         * allocate at most (nr_vcpu / nr_pcpu) bandwidth for the domain
         */
        cpu_quota = (long long)(cpu_period);
        printf("Choose 2:cpu_quota = %lld\n", cpu_quota);
    }

    if (-1 == set_vcpu_quota_ll(domain, &cpu_quota))
        goto cleanup;

    ret = 0;

cleanup:
    return ret;
}
Ejemplo n.º 13
0
timearg GetVirtInfo::GetCpuTime(QString VM_name)
{
    virDomainPtr vm_ptr = virDomainLookupByName(conn, qPrintable(VM_name));
    if(vm_ptr == NULL) {
        printf("error finding domain\n");
        virConnectClose(conn);
        exit(1);
    }
    virDomainInfo info_s;
    struct timeval real_time_s;
    timearg return_arg;

    if(virDomainGetInfo(vm_ptr, &info_s) != 0) {
        printf("error get domain info\n");
        virDomainFree(vm_ptr);
        virConnectClose(conn);
        exit(1);
    }

    if(gettimeofday(&real_time_s, NULL) == -1) {
        printf("error get time of day\n");
        virDomainFree(vm_ptr);
        virConnectClose(conn);
        exit(1);
    }
    return_arg.info = info_s;
    return_arg.real_time = real_time_s;
    virDomainFree(vm_ptr);
    return return_arg;

    /* sleep(1);

     if(virDomainGetInfo(vm_ptr, &info_e) !=0) {
         printf("error get domain info\n");
         virDomainFree(vm_ptr);
         virConnectClose(conn);
         exit(1);
     }

     if(gettimeofday(&real_time_e, NULL) == -1) {
         printf("error get time of day\n");
         virDomainFree(vm_ptr);
         virConnectClose(conn);
         exit(1);
     }
     cpu_diff = (info_e.cpuTime - info_s.cpuTime) / 1000;
     real_diff = 1000000 * (real_time_e.tv_sec - real_time_s.tv_sec) +(real_time_e.tv_usec - real_time_s.tv_usec);
     virDomainFree(vm_ptr);
     usage = cpu_diff / (float) (real_diff);
     return usage*100;*/
}
Ejemplo n.º 14
0
static int isActiveDomain(virDomainPtr dom)
{
    virDomainInfo info;        /* the information being fetched */
    int ret;

    ret = virDomainGetInfo(dom, &info);
    if (ret < 0)
        return -1;
    //if (ret==VIR_DOMAIN_RUNNING)
    if ((ret == VIR_DOMAIN_RUNNING) || (ret == VIR_DOMAIN_NOSTATE) || (ret == VIR_DOMAIN_BLOCKED))
     return 1;
    else
    return 0;
}
Ejemplo n.º 15
0
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;
}
Ejemplo n.º 16
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;
}
Ejemplo n.º 17
0
Archivo: virt.cpp Proyecto: kohn/rsi
std::string VM_Controller::get_vm_info(){
    Json::Value j(Json::arrayValue);
    int numActiveDomains = virConnectNumOfDomains(_conn);
    int *activeDomainsIDs = (int *)malloc(sizeof(int) * numActiveDomains);
    
    numActiveDomains = virConnectListDomains(_conn,
                                             activeDomainsIDs,
                                             numActiveDomains);
    for (int i = 0 ; i < numActiveDomains ; i++) {
        virDomainPtr dom = virDomainLookupByID(_conn, activeDomainsIDs[i]);
        virDomainInfo info;
        if(virDomainGetInfo(dom, &info) < 0){
            LOG_ERROR("could not get domain info");
            continue;
        }
        Json::Value j_dom(Json::objectValue);
        j_dom["id"] = activeDomainsIDs[i];
        j_dom["mem_total"] = (unsigned long long)info.maxMem;
        j_dom["vcpu"] = info.nrVirtCpu;
        j_dom["name"] = virDomainGetName(dom);
        j_dom["status"] = "running";
        j.append(j_dom);
    }
    free(activeDomainsIDs);

    int numInactiveDomains = virConnectNumOfDefinedDomains(_conn);
    char **inactiveDomainsNames = (char **)malloc(sizeof(char *)
                                                  * numInactiveDomains);
    numInactiveDomains = virConnectListDefinedDomains(_conn,
                                                      inactiveDomainsNames,
                                                      numInactiveDomains);
    if(numInactiveDomains < 0){
        LOG_ERROR("could not get defined domains");
        exit(-1);
    }
    
    for(int i=0; i< numInactiveDomains; i++){
        Json::Value j_dom(Json::objectValue);
        j_dom["status"] = "shutoff";
        j_dom["name"] = inactiveDomainsNames[i];
        free(inactiveDomainsNames[i]);
        j.append(j_dom);
    }
    free(inactiveDomainsNames);
    
    return j.toStyledString();
}
Ejemplo n.º 18
0
void getDomainInfo(int id, timeInfoNode infos)
{
    virDomainPtr dom = NULL;
    virDomainInfo info;
    int ret;
    struct timeval realTime;
    int cpu_diff, real_diff;
    float usage;

    /* Find the domain of the given id */
    dom = virDomainLookupByID(conn, id);
    if (dom == NULL)
    {
        fprintf(stderr, "Failed to find Domain %d\n", id);
        freeDom(dom);
        closeConn();
    } 

    /* Get the information of the domain */
    ret = virDomainGetInfo(dom, &info);
    if (ret < 0)
    {
        fprintf(stderr, "Failed to get information for Domain %d\n", id);
        freeDom(dom);
        closeConn();
    }

    /* get the end of realTime*/
    if (gettimeofday(&realTime, NULL) ==  - 1)
    {
        fprintf(stderr, "Failed to get start time\n");
        return;
    }

    /* calculate the usage of cpu */
    cpu_diff = (info.cpuTime - infos.cpu_time) / 10000;
    real_diff = 1000 *(realTime.tv_sec - infos.real_time.tv_sec) + 
        (realTime.tv_usec - infos.real_time.tv_usec);
    usage = cpu_diff / (float)(real_diff);

    /* print the results */
    printf("%d\t%.3f%\t%lu\t%lu\t%hu\t%0X\t%s\n", id, usage, info.memory / 1024,
        info.maxMem / 1024, info.nrVirtCpu, info.state, virDomainGetName(dom));

    freeDom(dom);
}
Ejemplo n.º 19
0
struct domain_info_list *libvirt_domain_info_list() {
	int i;

	struct domain_info_list *domain_info_list = (struct domain_info_list *) calloc(1, sizeof(struct domain_info_list));
	domain_info_list->num_domains = nr_domains;
	domain_info_list->domain_info = (struct domain_info *) calloc(nr_domains, sizeof(struct domain_info));

	for(i = 0; i < nr_domains; ++i) {
		if(virDomainGetInfo(domains[i], &vir_domain_info) != 0) 
			continue;

		domain_info_list->domain_info[i].domain_name = strdup(virDomainGetName(domains[i]));
		domain_info_list->domain_info[i].domain_id = virDomainGetID(domains[i]);
		domain_info_list->domain_info[i].domain_state = vir_domain_info.state;
		domain_info_list->domain_info[i].domain_mem_max = vir_domain_info.maxMem;
		domain_info_list->domain_info[i].domain_mem_used = vir_domain_info.memory;
		domain_info_list->domain_info[i].domain_num_vcpus = vir_domain_info.nrVirtCpu;
		domain_info_list->domain_info[i].domain_cpu_total_time = vir_domain_info.cpuTime;
	}
	return domain_info_list;
}
Ejemplo n.º 20
0
Archivo: virt.cpp Proyecto: kohn/rsi
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();
}
Ejemplo n.º 21
0
/* 
 * runtime memory allocate for domain
 */
int allocmem(virDomainPtr domain, double mem_perc)
{
    int ret = -1;
    struct phy_statistics *pinfo = 
        (struct phy_statistics *)malloc(sizeof(struct phy_statistics) * 1);  

    unsigned long vmemsz;
    virDomainInfoPtr dominfo;
    dominfo = (virDomainInfo *)malloc(sizeof(virDomainInfo));
    get_phy_memstat(pinfo);
    vmemsz = (unsigned long)(mem_perc * pinfo->memtotal / 100);
    printf("mem_perc=%.2lf |memtotal=%lu |vmemsz=%lu     ", 
            mem_perc, pinfo->memtotal, vmemsz);

    if (-1 == virDomainGetInfo(domain, dominfo)) 
        goto cleanup;
    /* memory size can't be too small, or OOM would kill the VM process */
    if (vmemsz < VIR_MEM_LOW_BOUND_IN_BYTES) {
        vmemsz = VIR_MEM_LOW_BOUND_IN_BYTES;
    } else if (vmemsz > dominfo->maxMem) {
    /* memory size < maxMem, for qemu, maxMem can't be changed at runtime */ 
        fprintf(stderr, "allocate %lu memory to domain which is larger" 
                "than the maxMem [%lu]\n", vmemsz, dominfo->maxMem);
        goto cleanup;
    }

    printf("-----finally,we set vmemsz=%lu\n", vmemsz);

    /* should also set a lower memory bound for the domain */

    if (-1 == virDomainSetMemory(domain, vmemsz))
        goto cleanup;
    
    ret = 0;

cleanup:
    return ret;
}
Ejemplo n.º 22
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;
}
Ejemplo n.º 23
0
/* get the start time of each domain */
void getTimeInfo(int id, timeInfoNode * infos)
{
    virDomainPtr dom = NULL;
    virDomainInfo info;
    int ret;

    /* Find the domain of the given id */
    dom = virDomainLookupByID(conn, id);
    if (dom == NULL)
    {
        fprintf(stderr, "Failed to find Domain %d\n", id);
        freeDom(dom);
        closeConn();
    }

    /* Get the information of the domain */
    ret = virDomainGetInfo(dom, &info);
    if (ret < 0)
    {
        fprintf(stderr, "Failed to get information for Domain %d\n", id);
        freeDom(dom);
        closeConn();
    }

    /* get the start of realTime*/
    if (gettimeofday(&(infos->real_time), NULL) ==  - 1)
    {
        fprintf(stderr, "Failed to get start time\n");
			return;
    }

    /* get the start of CPUTime*/
    infos->cpu_time = info.cpuTime; /* nanosecond */

    freeDom(dom);
}
Ejemplo n.º 24
0
/**
 * @brief provides the state of the Domain in form of integer
 * @return integer representing state of domain
 *
 * The return value respresents the integer from the enum virDomainState
 * (http://libvirt.org/html/libvirt-libvirt-domain.html#virDomainState)
 *
 * If the correct state cannot be ascertained, -1 is returned.
 */
int Domain::state()
{
    int state;
    int reason;

    if (m_domain)
    {
        if (m_libVersion > 8000)
        {
            if (virDomainGetState(m_domain, &state, &reason, 0) != -1)
            {
                return state;
            }
        } else {
            virDomainInfo info;
            if (virDomainGetInfo(m_domain, &info) != -1)
            {
                return info.state;
            }
        }
    }

    return -1;
}
Ejemplo n.º 25
0
int libvirt_read_stats(void) {
	int i;

	printf("Num Domains : %d .. \n", nr_domains);
	for(i = 0; i < nr_domains; ++i) {
		//virDomainInfo info; 
		virVcpuInfoPtr vinfo = NULL;
		int j;
		
		if(virDomainGetInfo(domains[i], &vir_domain_info) != 0) 
			continue;

		vinfo = malloc(vir_domain_info.nrVirtCpu * sizeof vinfo[0]);
		if(vinfo == NULL){
			printf("libvirt plugin malloc failed ..\n");
			continue;
		}
		
		if(virDomainGetVcpus(domains[i], vinfo, vir_domain_info.nrVirtCpu, NULL, 0) != 0) {
			free(vinfo);
			continue;
		}

		for(j = 0; j < vir_domain_info.nrVirtCpu; j++) {
			printf("VCPU number : %u .. \n", (unsigned int) vinfo[j].number);
			printf("VCPU time : %llu .. \n", (unsigned long long) vinfo[j].cpuTime);
		}
		free(vinfo);
	}

	printf("Num Block Devices : %d .. \n", nr_block_devices);
	for(i = 0; i < nr_block_devices; ++i) {
		struct _virDomainBlockStats stats;
		if(virDomainBlockStats(block_devices[i].dom, block_devices[i].path, &stats, sizeof stats) != 0)
			continue;
		if((stats.rd_req != -1) && (stats.wr_req != -1)) {
			printf("Read reqs : %llu \n", (unsigned long long) stats.rd_req);
			printf("Write reqs : %llu \n", (unsigned long long) stats.wr_req);
		}
		if((stats.rd_bytes != -1) && (stats.rd_bytes != -1)) {
			printf("Read bytes : %llu \n", (unsigned long long) stats.rd_bytes);
			printf("Write bytes : %llu \n", (unsigned long long) stats.wr_bytes);
		}
	}

	printf("Num Interface Devices : %d .. \n", nr_interface_devices);
	for(i = 0; i < nr_interface_devices; ++i) {
		struct _virDomainInterfaceStats stats;
		if(virDomainInterfaceStats(interface_devices[i].dom, interface_devices[i].path, &stats, sizeof stats) != 0)
			continue;
		if((stats.rx_bytes != -1) && (stats.tx_bytes != -1)) {
			printf("Recieved bytes : %llu \n", (unsigned long long) stats.rx_bytes);
			printf("Transmitted bytes : %llu \n", (unsigned long long) stats.tx_bytes);
		}
		if((stats.rx_packets != -1) && (stats.tx_packets != -1)) {
			printf("Recieved packets : %llu \n", (unsigned long long) stats.rx_packets);
			printf("Transmitted packets : %llu \n",(unsigned long long) stats.tx_packets);
		}
		if((stats.rx_errs != -1) && (stats.tx_errs != -1)) {
			printf("Recieved errors : %llu \n", (unsigned long long) stats.rx_errs);
			printf("Transmitted errors : %llu \n", (unsigned long long) stats.tx_errs);
		}
		if((stats.rx_drop != -1) && (stats.tx_drop != -1)) {
			printf("Recieved dropped : %ll \n", (unsigned long long) stats.rx_drop);
			printf("Transmitted dropped : %ll \n", (unsigned long long) stats.tx_drop);
		}
	}
}
Ejemplo n.º 26
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 = 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;
}
Ejemplo n.º 27
0
static int
lv_read (void)
{
    time_t t;
    int i;

    if (conn == NULL) {
        /* `conn_string == NULL' is acceptable. */
        conn = virConnectOpenReadOnly (conn_string);
        if (conn == NULL) {
            c_complain (LOG_ERR, &conn_complain,
                    PLUGIN_NAME " plugin: Unable to connect: "
                    "virConnectOpenReadOnly failed.");
            return -1;
        }
    }
    c_release (LOG_NOTICE, &conn_complain,
            PLUGIN_NAME " plugin: Connection established.");

    time (&t);

    /* Need to refresh domain or device lists? */
    if ((last_refresh == (time_t) 0) ||
            ((interval > 0) && ((last_refresh + interval) <= t))) {
        if (refresh_lists () != 0) {
            if (conn != NULL)
                virConnectClose (conn);
            conn = NULL;
            return -1;
        }
        last_refresh = t;
    }

#if 0
    for (i = 0; i < nr_domains; ++i)
        fprintf (stderr, "domain %s\n", virDomainGetName (domains[i]));
    for (i = 0; i < nr_block_devices; ++i)
        fprintf  (stderr, "block device %d %s:%s\n",
                  i, virDomainGetName (block_devices[i].dom),
                  block_devices[i].path);
    for (i = 0; i < nr_interface_devices; ++i)
        fprintf (stderr, "interface device %d %s:%s\n",
                 i, virDomainGetName (interface_devices[i].dom),
                 interface_devices[i].path);
#endif

    /* Get CPU usage, memory, VCPU usage for each domain. */
    for (i = 0; i < nr_domains; ++i) {
        virDomainInfo info;
        virVcpuInfoPtr vinfo = NULL;
        virDomainMemoryStatPtr minfo = NULL;
        int status;
        int j;

        status = virDomainGetInfo (domains[i], &info);
        if (status != 0)
        {
            ERROR (PLUGIN_NAME " plugin: virDomainGetInfo failed with status %i.",
                    status);
            continue;
        }

        if (info.state != VIR_DOMAIN_RUNNING)
        {
            /* only gather stats for running domains */
            continue;
        }

        cpu_submit (info.cpuTime, domains[i], "virt_cpu_total");
        memory_submit ((gauge_t) info.memory * 1024, domains[i]);

        vinfo = malloc (info.nrVirtCpu * sizeof (vinfo[0]));
        if (vinfo == NULL) {
            ERROR (PLUGIN_NAME " plugin: malloc failed.");
            continue;
        }

        status = virDomainGetVcpus (domains[i], vinfo, info.nrVirtCpu,
                /* cpu map = */ NULL, /* cpu map length = */ 0);
        if (status < 0)
        {
            ERROR (PLUGIN_NAME " plugin: virDomainGetVcpus failed with status %i.",
                    status);
            sfree (vinfo);
            continue;
        }

        for (j = 0; j < info.nrVirtCpu; ++j)
            vcpu_submit (vinfo[j].cpuTime,
                    domains[i], vinfo[j].number, "virt_vcpu");

        sfree (vinfo);

        minfo = malloc (VIR_DOMAIN_MEMORY_STAT_NR * sizeof (virDomainMemoryStatStruct));
        if (minfo == NULL) {
            ERROR ("virt plugin: malloc failed.");
            continue;
        }

        status =  virDomainMemoryStats (domains[i], minfo, VIR_DOMAIN_MEMORY_STAT_NR, 0);

        if (status < 0) {
            ERROR ("virt plugin: virDomainMemoryStats failed with status %i.",
                    status);
            sfree (minfo);
            continue;
        }

        for (j = 0; j < status; j++) {
            memory_stats_submit ((gauge_t) minfo[j].val * 1024, domains[i], minfo[j].tag);
        }

        sfree (minfo);
    }


    /* Get block device stats for each domain. */
    for (i = 0; i < nr_block_devices; ++i) {
        struct _virDomainBlockStats stats;

        if (virDomainBlockStats (block_devices[i].dom, block_devices[i].path,
                    &stats, sizeof stats) != 0)
            continue;

        if ((stats.rd_req != -1) && (stats.wr_req != -1))
            submit_derive2 ("disk_ops",
                    (derive_t) stats.rd_req, (derive_t) stats.wr_req,
                    block_devices[i].dom, block_devices[i].path);

        if ((stats.rd_bytes != -1) && (stats.wr_bytes != -1))
            submit_derive2 ("disk_octets",
                    (derive_t) stats.rd_bytes, (derive_t) stats.wr_bytes,
                    block_devices[i].dom, block_devices[i].path);
    } /* for (nr_block_devices) */

    /* Get interface stats for each domain. */
    for (i = 0; i < nr_interface_devices; ++i) {
        struct _virDomainInterfaceStats stats;
        char *display_name = NULL;


        switch (interface_format) {
            case if_address:
                display_name = interface_devices[i].address;
                break;
            case if_number:
                display_name = interface_devices[i].number;
                break;
            case if_name:
            default:
                display_name = interface_devices[i].path;
        }

        if (virDomainInterfaceStats (interface_devices[i].dom,
                    interface_devices[i].path,
                    &stats, sizeof stats) != 0)
            continue;

	if ((stats.rx_bytes != -1) && (stats.tx_bytes != -1))
	    submit_derive2 ("if_octets",
		    (derive_t) stats.rx_bytes, (derive_t) stats.tx_bytes,
		    interface_devices[i].dom, display_name);

	if ((stats.rx_packets != -1) && (stats.tx_packets != -1))
	    submit_derive2 ("if_packets",
		    (derive_t) stats.rx_packets, (derive_t) stats.tx_packets,
		    interface_devices[i].dom, display_name);

	if ((stats.rx_errs != -1) && (stats.tx_errs != -1))
	    submit_derive2 ("if_errors",
		    (derive_t) stats.rx_errs, (derive_t) stats.tx_errs,
		    interface_devices[i].dom, display_name);

	if ((stats.rx_drop != -1) && (stats.tx_drop != -1))
	    submit_derive2 ("if_dropped",
		    (derive_t) stats.rx_drop, (derive_t) stats.tx_drop,
		    interface_devices[i].dom, display_name);
    } /* for (nr_interface_devices) */

    return 0;
}
Ejemplo n.º 28
0
static PromiseResult DownVirt(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);
            result = PromiseResultUpdate(result, PROMISE_RESULT_FAIL);
            virDomainFree(dom);
            return result;
        }

        switch (info.state)
        {
        case VIR_DOMAIN_BLOCKED:
        case VIR_DOMAIN_RUNNING:
            if (virDomainShutdown(dom) == -1)
            {
                cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' failed to shutdown",
                     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' running, terminating", pp->promiser);
            result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
            break;

        case VIR_DOMAIN_SHUTOFF:
        case VIR_DOMAIN_SHUTDOWN:
            cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' is down - promise kept", pp->promiser);
            break;

        case VIR_DOMAIN_PAUSED:
            cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' is suspended - ignoring promise",
                 pp->promiser);
            result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
            break;

        case VIR_DOMAIN_CRASHED:
            if (virDomainSuspend(dom) == -1)
            {
                cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' is crashed and failed to shutdown",
                     pp->promiser);
                result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
                virDomainFree(dom);
                return false;
            }

            cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' is in a crashed state, terminating",
                 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;
        }

        virDomainFree(dom);
    }
    else
    {
        cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' cannot be found - take promise as kept",
             pp->promiser);
    }

    return result;
}
Ejemplo n.º 29
0
static PromiseResult SuspendedVirt(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);
            result = PromiseResultUpdate(result, PROMISE_RESULT_FAIL);
            virDomainFree(dom);
            return result;
        }

        switch (info.state)
        {
        case VIR_DOMAIN_BLOCKED:
        case VIR_DOMAIN_RUNNING:
            if (virDomainSuspend(dom) == -1)
            {
                cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' failed to suspend", 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' running, suspending", pp->promiser);
            result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
            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:
            cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' is suspended - promise kept",
                 pp->promiser);
            break;

        case VIR_DOMAIN_SHUTOFF:
            cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' is down - promise kept", pp->promiser);
            break;

        case VIR_DOMAIN_CRASHED:

            if (virDomainSuspend(dom) == -1)
            {
                cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' is crashed has failed to suspend",
                     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' is in a crashed state, suspending",
                 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;
        }

        virDomainFree(dom);
    }
    else
    {
        cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' cannot be found - take promise as kept",
             pp->promiser);
    }

    return result;
}
Ejemplo n.º 30
0
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;
}