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[libvirt] v3: Use posix_fallocate() on supported systems to allocate diskspace
by Amit Shah 20 Mar '09

20 Mar '09

This patchset makes use of the posix_fallocate() call to allocate chunks of files whenever needed if it's available. We fallback to using safewrite() if it's not available. mmap() could be used instead of safewrite too; I have a patch in case someone is interested in seeing it.

3 8

[libvirt] TLS for libvirt remote access
by Zvi Dubitzky 20 Mar '09

20 Mar '09

After generating TLS certificates for Libvirt remote access , I test the certificates by running pki_check.sh and get the following message : The CA certificate and the client certificate do not match What can cause this message ? I guess this is a problem as I am trying to access remotely the host machine and fail with a message of :libvir: Remote error : Connection refused That happens even if I use a client and server on the same machine and try : sudo virsh -c qemu://localhost/defualt. I am using libvirt 0.6. can I get first a connection with no certificate/encryption by using URI = qemu+tcp://... by making the needed change on the libvirtd.conf file on the server side ? that did not work either I followed the instructions in the Libvirt Web Site (generate a CA private key and certificate then the client and server keys and certificates and copy them to appropriate locations),. Also restarted the libvirtd with the --listen --verbose flags on the server side what can be wrong with my steps ? Zvi Dubitzky Virtualization and System Architecture Email:dubi@il.ibm.com IBM Haifa Research Laboratory Phone: +972-4-8296182 Haifa, 31905, ISRAEL

2 1

[libvirt] virDomainGetVcpus error with Fedora 10
by Kaitlin Rupert 20 Mar '09

20 Mar '09

Hi, I'm running Fedora 10 with the following libvirt version: libvirt-0.6.0-3 I'm calling virDomainGetVcpus() with the following parameters: virDomainGetVcpus(dom, info, max, NULL, 0); where max = 2 and dom and info are both non-NULL. However, I'm getting the following error from libvirt: libvir: Domain error : invalid argument in virDomainGetVcpus I tracked this down, and it's failing the if (cpumaps != NULL && maplen < 1) check in libvirt.c because cpumaps is non-NULL. Which is very strange because I'm definitely passing a NULL value. Here's the relevant libvirtd debug: 15:38:07.332: debug : virGetDomain:287 : New hash entry 0x816ab0 15:38:07.332: debug : virDomainGetVcpus:4080 : domain=0x816ab0, info=0x800530, maxinfo=2, cpumaps=0x7f8fb0, maplen=0 15:38:07.332: error : invalid argument in virDomainGetVcpus libvir: Domain error : invalid argument in virDomainGetVcpus 15:38:07.332: debug : virDomainFree:1795 : domain=0x816ab0 Has anyone else hit this same issue? -- Kaitlin Rupert IBM Linux Technology Center kaitlin(a)linux.vnet.ibm.com

2 6

[libvirt] svirt fix for schema on domain.rng
by Daniel J Walsh 19 Mar '09

19 Mar '09

3 3

[libvirt] Use posix_fallocate() to allocate disk space
by Amit Shah 19 Mar '09

19 Mar '09

These patches introduce safezero() to allocate chunks for a file and write zeroes to them. Not yet ready for merge; I don't understand the configure system yet and don't know how to test for posix_fallocate() availability. The second patch introduces a new variable, track_allocation_progress, which perhaps belongs somewhere else. Pointers for both these problems appreciated. Thanks, Amit

3 10

[libvirt] [PATCH 2/2] [ plain text ] OpenNebula driver, libvirt-0.6.1
by "Abel Míguez Rodríguez" 19 Mar '09

19 Mar '09

> On Wed, Mar 18, 2009 at 01:52:56PM +0100, "Abel Míguez > Rodríguez" wrote: > Can you repost that from a normail mail client and without HTML > formatting ... it's simply unreadable for me, > Of course, I repost the e-mail using plain text, but (right now) I have to use a web client. Sorry for the inconvenience. Thanks, Abel > thanks, > > Daniel > > > -- > Daniel Veillard | libxml Gnome XML > XSLT toolkit http://xmlsoft.org/ > daniel(a)veillard.com | Rpmfind RPM search engine > http://rpmfind.net/http://veillard.com/ | virtualization > library http://libvirt.org/ > >> Hi all, >> Here are listed the ONE driver's source code: >> (I also attached the files to this email) >> * one_conf.h >> * one_conf.c >> * one_driver.h >> * one_driver.c >> ----- >> Thanks, >> Abel Míguez source: one_conf.h /*----------------------------------------------------------------------------------*/ /* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad * Complutense de Madrid (dsa-research.org) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /*-----------------------------------------------------------------------------------*/ #ifndef ONE_CONF_H #define ONE_CONF_H #include <config.h> #include "internal.h" #include "domain_conf.h" #include "capabilities.h" #include "threads.h" struct one_driver{ virMutex lock; virCapsPtr caps; virDomainObjList domains; int nextid; }; typedef struct one_driver one_driver_t; virCapsPtr oneCapsInit(void); int oneSubmitVM(virConnectPtr conn ,one_driver_t* driver, virDomainObjPtr vm); int xmlOneTemplate(virDomainDefPtr def, FILE* fd); #define oneError(conn, dom, code, fmt...) \ virReportErrorHelper(conn, VIR_FROM_ONE, code, __FILE__, \ __FUNCTION__, __LINE__, fmt) #endif /* ONE_CONF_H */ +++++++++++++++++++++++++++++ source: one_conf.c /*----------------------------------------------------------------------------------*/ /* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad * Complutense de Madrid (dsa-research.org) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /*-----------------------------------------------------------------------------------*/ #include <config.h> #include <sys/utsname.h> #include "virterror_internal.h" #include "one_conf.h" /* --------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------- */ /** * oneCapsInit initialize the driver capabilities * @return a pointer to the driver capabilities NULL in case of error */ virCapsPtr oneCapsInit(void) { struct utsname utsname; virCapsPtr caps; virCapsGuestPtr guest; uname(&utsname); if ((caps = virCapabilitiesNew(utsname.machine,0,0)) == NULL) { goto no_memory; } virCapabilitiesSetMacPrefix(caps,(unsigned char[]){ 0x52, 0x54, 0x00 }); if ((guest = virCapabilitiesAddGuest(caps, "hvm", utsname.machine, sizeof(int) == 4 ? 32 : 64, NULL, NULL, 0, NULL)) == NULL) { goto no_memory; } if (virCapabilitiesAddGuestDomain(guest, "hvm", NULL, NULL, 0, NULL) == NULL) { goto no_memory; } return caps; no_memory: virCapabilitiesFree(caps); return NULL; } /* --------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------- */ /** * oneSubmitVM generates an OpenNebula description file and submits the new VM * @param driver the OpenNebula driver * @param vm the virtual machine pointer * @return the OpenNebula ID for the new VM or -1 in case of error */ int oneSubmitVM(virConnectPtr conn ATTRIBUTE_UNUSED, one_driver_t* driver, virDomainObjPtr vm) { FILE* fd=NULL; char path[256]; int oneid; snprintf(path,256,"/tmp/one-%d",driver->nextid); fd=fopen(path,"w"); if(fd==NULL) { perror("Creating a temporal description file:"); return -1; } if(xmlOneTemplate(vm->def,fd)) { unlink(path); fclose(fd); return -1; } fclose(fd); if( (oneid=c_oneAllocate(path))<0 ) { oneError(conn, NULL, VIR_ERR_OPERATION_FAILED, "Error submitting virtual machine to OpenNebula"); unlink(path); return -1; }; unlink(path); return oneid; }; /* --------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------- */ /** * xmlOneTemplate Generate an OpenNebula template to deploy a VM from libvirt * internal Domain definition. * @param def Internal libvirt Domain definition * @param fd ONE template file to create * @return 0 if success */ int xmlOneTemplate(virDomainDefPtr def, FILE* fd) { char* buf; int i; fprintf(fd,"#OpenNebula Template automatically generated by libvirt\n"); fprintf(fd,"NAME = %s\n",def->name); fprintf(fd,"CPU = %ld\n",(def->vcpus)); fprintf(fd,"MEMORY = %ld\n",(def->maxmem)/1024); /*Optional Booting OpenNebula Information:*/ if( def->os.kernel ) { fprintf(fd,"OS=[ kernel = \"%s\"",def->os.kernel); if(def->os.initrd) fprintf(fd,",\n initrd = \"%s\"",def->os.initrd); if(def->os.cmdline) fprintf(fd,",\n kernel_cmd = \"%s\"",def->os.cmdline); if(def->os.root) fprintf(fd,",\n root = \"%s\"",def->os.root); fprintf(fd," ]\n"); } /* set Disks & NICS */ for(i=0 ; i<def->ndisks ; i++) { if ( !def->disks[i] || !def->disks[i]->src || !def->disks[i]->src ) { continue; } fprintf(fd, "DISK=[ source = \"%s\",\n" " target = \"%s\",\n" " readonly =", def->disks[i]->src, def->disks[i]->dst); if(def->disks[i]->readonly) fprintf(fd,"\"yes\"]\n"); else fprintf(fd,"\"no\"]\n"); } for(i=0 ; i< def->nnets ; i++) { if ( !def->nets[i] ) { continue; } switch(def->nets[i]->type) { case VIR_DOMAIN_NET_TYPE_BRIDGE: fprintf(fd,"NIC=[ bridge =\"%s\",\n",def->nets[i]->data.bridge.brname); if(def->nets[i]->ifname) { fprintf(fd," target =\"%s\",\n",def->nets[i]->ifname); } fprintf(fd," mac =\"%02x:%02x:%02x:%02x:%02x:%02x\" ]\n", def->nets[i]->mac[0],def->nets[i]->mac[1], def->nets[i]->mac[2],def->nets[i]->mac[3], def->nets[i]->mac[4],def->nets[i]->mac[5]); break; case VIR_DOMAIN_NET_TYPE_NETWORK: fprintf(fd,"NIC=[ network=\"%s\" ]\n",def->nets[i]->data.network.name); break; } } return 0; }; +++++++++++++++++++++++++++++ source: one_driver.h /*---------------------------------------------------------------------------*/ /* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad * Complutense de Madrid (dsa-research.org) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /*---------------------------------------------------------------------------*/ #ifndef ONE_DRIVER_H #define ONE_DRIVER_H #include <config.h> int oneRegister(void); #endif /* ONE_DRIVER_H */ +++++++++++++++++++++++++++++ source: one_driver.c /*---------------------------------------------------------------------------*/ /* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad * Complutense de Madrid (dsa-research.org) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /*---------------------------------------------------------------------------*/ #include <config.h> #include <fcntl.h> #include <sched.h> #include <sys/utsname.h> #include <stdbool.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <sys/poll.h> #include <unistd.h> #include <wait.h> #include <sys/time.h> #include "virterror_internal.h" #include "logging.h" #include "datatypes.h" #include "one_conf.h" #include "one_driver.h" #include "memory.h" #include "util.h" #include "bridge.h" #include "veth.h" #include "event.h" #include "cgroup.h" static int oneStart(void); static int oneShutdown(void); static int oneActive(void); static void oneDriverLock(one_driver_t* driver) { virMutexLock(&driver->lock); } static void oneDriverUnlock(one_driver_t* driver) { virMutexUnlock(&driver->lock); } static one_driver_t *one_driver =NULL; static virDrvOpenStatus oneOpen(virConnectPtr conn, virConnectAuthPtr auth ATTRIBUTE_UNUSED, int flags ATTRIBUTE_UNUSED) { /* Verify uri was specified */ if (conn->uri == NULL) { conn->uri = xmlParseURI("one:///"); if (!conn->uri) { oneError(conn, NULL, VIR_ERR_NO_MEMORY, NULL); return VIR_DRV_OPEN_ERROR; } } else if (conn->uri->scheme == NULL || STRNEQ(conn->uri->scheme, "one")) { goto declineConnection; } conn->privateData = one_driver; return VIR_DRV_OPEN_SUCCESS; declineConnection: return VIR_DRV_OPEN_DECLINED; } static int oneClose(virConnectPtr conn) { conn->privateData = NULL; return 0; } static virDomainPtr oneDomainLookupByID(virConnectPtr conn, int id) { one_driver_t *driver = (one_driver_t *)conn->privateData; virDomainPtr dom = NULL; virDomainObjPtr vm = NULL; oneDriverLock(driver); vm = virDomainFindByID(&driver->domains, id); oneDriverUnlock(driver); if (!vm) { oneError(conn, NULL, VIR_ERR_NO_DOMAIN, NULL); goto return_point; } dom = virGetDomain(conn, vm->def->name, vm->def->uuid); if (dom) { dom->id = vm->def->id; } return_point: if(vm) { virDomainObjUnlock(vm); } return dom; } static virDomainPtr oneDomainLookupByUUID(virConnectPtr conn, const unsigned char *uuid) { one_driver_t *driver = (one_driver_t *)conn->privateData; virDomainPtr dom = NULL; virDomainObjPtr vm = NULL; oneDriverLock(driver); vm = virDomainFindByUUID(&driver->domains, uuid); oneDriverUnlock(driver); if (!vm) { oneError(conn, NULL, VIR_ERR_NO_DOMAIN, NULL); goto return_point; } dom = virGetDomain(conn, vm->def->name, vm->def->uuid); if (dom) { dom->id = vm->def->id; } return_point: if(vm) { virDomainObjUnlock(vm); } return dom; } static virDomainPtr oneDomainLookupByName(virConnectPtr conn, const char *name) { one_driver_t *driver = (one_driver_t *)conn->privateData; virDomainObjPtr vm = NULL; virDomainPtr dom=NULL; oneDriverLock(driver); vm = virDomainFindByName(&driver->domains, name); oneDriverUnlock(driver); if (!vm) { oneError(conn, NULL, VIR_ERR_NO_DOMAIN, NULL); goto return_point; } dom = virGetDomain(conn, vm->def->name, vm->def->uuid); if (dom) { dom->id = vm->def->id; } return_point: if(vm) { virDomainObjUnlock(vm); } return dom; } static int oneListDomains(virConnectPtr conn, int *ids, int nids) { one_driver_t *driver = (one_driver_t *)conn->privateData; int got = 0, i; oneDriverLock(driver); for (i = 0 ; i < driver->domains.count && got < nids ; i++){ if (virDomainIsActive(driver->domains.objs[i])) ids[got++] = driver->domains.objs[i]->def->id; } oneDriverUnlock(driver); return got; } static int oneNumDomains(virConnectPtr conn) { one_driver_t *driver = (one_driver_t *)conn->privateData; int n = 0, i; oneDriverLock(driver); for (i = 0 ; i < driver->domains.count ; i++) if (virDomainIsActive(driver->domains.objs[i])) n++; oneDriverUnlock(driver); return n; } static int oneListDefinedDomains(virConnectPtr conn, char **const names, int nnames) { one_driver_t *driver = (one_driver_t *)conn->privateData; int got = 0, i; oneDriverLock(driver); for (i = 0 ; i < driver->domains.count && got < nnames ; i++) { if (!virDomainIsActive(driver->domains.objs[i])) { if (!(names[got++] = strdup(driver->domains.objs[i]->def->name))) { oneError(conn, NULL, VIR_ERR_NO_MEMORY, "%s", _("failed to allocate space for VM name string")); goto cleanup; } } } oneDriverUnlock(driver); return got; cleanup: for (i = 0 ; i < got ; i++) VIR_FREE(names[i]); oneDriverUnlock(driver); return -1; } static int oneNumDefinedDomains(virConnectPtr conn) { one_driver_t *driver = (one_driver_t *)conn->privateData; int n = 0, i; oneDriverLock(driver); for (i = 0 ; i < driver->domains.count ; i++) if (!virDomainIsActive(driver->domains.objs[i])) n++; oneDriverUnlock(driver); return n; } static virDomainPtr oneDomainDefine(virConnectPtr conn, const char *xml) { one_driver_t *driver = (one_driver_t *)conn->privateData; virDomainDefPtr def; virDomainObjPtr vm; virDomainPtr dom=NULL; oneDriverLock(driver); if (!(def = virDomainDefParseString(conn, driver->caps, xml, VIR_DOMAIN_XML_INACTIVE))) goto return_point; if (!(vm = virDomainAssignDef(conn, &driver->domains, def))) { virDomainDefFree(def); goto return_point; } vm->def->id = -1; vm->persistent = 1; dom = virGetDomain(conn, vm->def->name, vm->def->uuid); if (dom) { dom->id = vm->def->id; } virDomainObjUnlock(vm); return_point: oneDriverUnlock(driver); return dom; } static int oneDomainUndefine(virDomainPtr dom) { one_driver_t *driver = (one_driver_t *)dom->conn->privateData; virDomainObjPtr vm = NULL; int ret=-1; oneDriverLock(driver); vm =virDomainFindByUUID(&driver->domains, dom->uuid); if (!vm) { oneError(dom->conn, NULL, VIR_ERR_INVALID_DOMAIN, "%s", _("no domain with matching uuid")); goto return_point; } if (!vm->persistent) { oneError(dom->conn, dom, VIR_ERR_INTERNAL_ERROR, "%s", _("cannot undefine transient domain")); goto return_point; } virDomainRemoveInactive(&driver->domains, vm); ret=0; return_point: oneDriverUnlock(driver); return ret; } static int oneDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info) { one_driver_t *driver = (one_driver_t *)dom->conn->privateData; struct timeval tv; virDomainObjPtr vm; oneDriverLock(driver); vm= virDomainFindByUUID(&driver->domains, dom->uuid); oneDriverUnlock(driver); if (!vm) { oneError(dom->conn,NULL, VIR_ERR_INVALID_DOMAIN, "%s", _("no domain with matching uuid")); return -1; } if(gettimeofday(&tv,NULL)<0) { oneError(dom->conn,NULL, VIR_ERR_INTERNAL_ERROR, "%s",_("getting time of day")); virDomainObjUnlock(vm); return -1; } if (!virDomainIsActive(vm)) { info->cpuTime = 0; } else { char vm_info[257]; c_oneVmInfo(vm->pid,vm_info,256); //State: char* cptr = strstr(vm_info,"STATE"); cptr = index(cptr, ':'); cptr++; int one_state=atoi(cptr); switch(one_state) { case 3: /** running */ if (vm->state!=VIR_DOMAIN_SHUTDOWN) vm->state=VIR_DOMAIN_RUNNING; break; case 5: /** pause */ vm->state=VIR_DOMAIN_PAUSED; break; case 6: /** done */ vm->state=VIR_DOMAIN_SHUTOFF; vm->def->id=-1; break; case 7: /** error */ vm->state=VIR_DOMAIN_CRASHED; break; default: break; }; //Memory: cptr=strstr(vm_info,"MEMORY"); cptr=index(cptr,':'); cptr++; vm->def->memory = atoi(cptr); //run time: cptr=strstr(vm_info,"START TIME"); cptr=index(cptr,':'); cptr++; long starttime = atol(cptr); info->cpuTime = (tv.tv_sec - starttime) *1000ll *1000ll *1000ll; } info->state = vm->state; info->maxMem = vm->def->maxmem; info->memory = vm->def->memory; info->nrVirtCpu = vm->def->vcpus; virDomainObjUnlock(vm); return 0; } static char *oneGetOSType(virDomainPtr dom) { one_driver_t *driver = (one_driver_t *)dom->conn->privateData; virDomainObjPtr vm = NULL; oneDriverLock(driver); vm =virDomainFindByUUID(&driver->domains, dom->uuid); oneDriverUnlock(driver); if (!vm) { oneError(dom->conn, NULL, VIR_ERR_INVALID_DOMAIN, "%s", _("no domain with matching uuid")); return NULL; } virDomainObjUnlock(vm); return strdup(vm->def->os.type); } static int oneDomainStart(virDomainPtr dom) { virConnectPtr conn = dom->conn; one_driver_t *driver = (one_driver_t *)(conn->privateData); virDomainObjPtr vm; int ret = -1; int oneid; int rc; char* logfile=NULL; oneDriverLock(driver); vm = virDomainFindByName(&driver->domains, dom->name); if (!vm) { oneError(conn, NULL, VIR_ERR_INVALID_DOMAIN, _("no domain named %s"), dom->name); goto return_point; } if((oneid = oneSubmitVM(dom->conn,driver,vm)) < 0) { goto return_point; } vm->pid=oneid; vm->def->id=driver->nextid++; vm->state=VIR_DOMAIN_BLOCKED; ret=0; return_point: if(vm) virDomainObjUnlock(vm); oneDriverUnlock(driver); return ret; } static virDomainPtr oneDomainCreateAndStart(virConnectPtr conn, const char *xml, unsigned int flags ATTRIBUTE_UNUSED) { one_driver_t *driver = (one_driver_t *)conn->privateData; virDomainObjPtr vm; virDomainDefPtr def; virDomainPtr dom = NULL; int oneid; oneDriverLock(driver); if (!(def = virDomainDefParseString(conn, driver->caps, xml, VIR_DOMAIN_XML_INACTIVE))) goto return_point; vm = virDomainFindByName(&driver->domains, def->name); if (vm) { oneError(conn,NULL, VIR_ERR_OPERATION_FAILED, _("Already an OpenNebula VM active with the name: \"%s\" id: %d "), def->name,def->id); goto return_point; } if (!(vm = virDomainAssignDef(conn, &driver->domains, def))) { virDomainDefFree(def); goto return_point; } if ((oneid = oneSubmitVM(conn, driver, vm)) < 0) { virDomainRemoveInactive(&driver->domains, vm); vm=NULL; goto return_point; } vm->def->id=driver->nextid++; vm->persistent=0; vm->pid=oneid; vm->state=VIR_DOMAIN_BLOCKED; dom = virGetDomain(conn, vm->def->name, vm->def->uuid); if (dom) { dom->id = vm->def->id; } return_point: if(vm) virDomainObjUnlock(vm); oneDriverUnlock(driver); return dom; } static int oneDomainShutdown(virDomainPtr dom) { one_driver_t *driver = (one_driver_t*)dom->conn->privateData; virDomainObjPtr vm; int ret=-1; oneDriverLock(driver); if((vm=virDomainFindByID(&driver->domains, dom->id))) { if(!(c_oneShutdown(vm->pid) ) ) { vm->state=VIR_DOMAIN_SHUTDOWN; ret= 0; if (!vm->persistent) { virDomainRemoveInactive(&driver->domains, vm); vm = NULL; } goto return_point; } oneError(dom->conn, NULL, VIR_ERR_OPERATION_FAILED, "Domain Shutdown",NULL); goto return_point; } oneError(dom->conn,NULL, VIR_ERR_INVALID_DOMAIN, _("no domain with id %d"), dom->id); goto return_point; return_point: if(vm) virDomainObjUnlock(vm); oneDriverUnlock(driver); return ret; } static int oneDomainDestroy(virDomainPtr dom) { one_driver_t *driver = (one_driver_t*)dom->conn->privateData; virDomainObjPtr vm; int ret=-1; oneDriverLock(driver); vm= virDomainFindByID(&driver->domains, dom->id); if (!vm) { oneError(dom->conn, NULL, VIR_ERR_INVALID_DOMAIN, _("no domain with id %d"), dom->id); goto return_point; } if(c_oneShutdown(vm->pid)) { oneError(dom->conn, NULL, VIR_ERR_OPERATION_FAILED, "Domain Shutdown",NULL); goto return_point; } if(!vm->persistent) { virDomainRemoveInactive(&driver->domains,vm); vm=NULL; } ret=0; return_point: if(vm) virDomainObjUnlock(vm); oneDriverUnlock(driver); return ret; } static int oneDomainSuspend(virDomainPtr dom) { one_driver_t* driver=dom->conn->privateData; virDomainObjPtr vm; int ret=-1; oneDriverLock(driver); if ((vm=virDomainFindByID(&driver->domains,dom->id))){ if (vm->state == VIR_DOMAIN_RUNNING) { if( !(c_oneSuspend(vm->pid)) ) { vm->state=VIR_DOMAIN_PAUSED; ret=0; goto return_point; } oneError(dom->conn, NULL, VIR_ERR_OPERATION_FAILED, "%s", "failed to pause domain"); goto return_point; } oneError(dom->conn,NULL,VIR_ERR_OPERATION_FAILED, "%s", "domain is not running"); } else { oneError(dom->conn, NULL, VIR_ERR_INVALID_DOMAIN, "no domain with matching id %d", dom->id); } return_point: if(vm) virDomainObjUnlock(vm); oneDriverUnlock(driver); return ret; }; static int oneDomainResume(virDomainPtr dom) { one_driver_t* driver=dom->conn->privateData; virDomainObjPtr vm; int ret=-1; oneDriverLock(driver); if ((vm=virDomainFindByID(&driver->domains,dom->id))) { if (vm->state == VIR_DOMAIN_PAUSED) { if( !(c_oneResume(vm->pid)) ) { vm->state=VIR_DOMAIN_RUNNING; ret=0; goto return_point; } oneError(dom->conn, NULL, VIR_ERR_OPERATION_FAILED, "%s", "failed to resume "); goto return_point; } oneError(dom->conn,NULL,VIR_ERR_OPERATION_FAILED, "%s", " domain is not paused "); } else { oneError(dom->conn, NULL, VIR_ERR_INVALID_DOMAIN, "no domain with matching id %d", dom->id); } return_point: if(vm) virDomainObjUnlock(vm); oneDriverUnlock(driver); return ret; }; static int oneStartup(void){ int i; if (VIR_ALLOC(one_driver) < 0) { return -1; } if(virMutexInit(&one_driver->lock)<0){ VIR_FREE(one_driver); return -1; } c_oneStart(); oneDriverLock(one_driver); one_driver->nextid=1; if ((one_driver->caps = oneCapsInit()) == NULL) { oneDriverUnlock(one_driver); VIR_FREE(one_driver); return -1; } oneDriverUnlock(one_driver); return 0; } static int oneShutdown(void){ if (one_driver == NULL) return(-1); oneDriverLock(one_driver); virDomainObjListFree(&one_driver->domains); virCapabilitiesFree(one_driver->caps); oneDriverUnlock(one_driver); virMutexDestroy(&one_driver->lock); VIR_FREE(one_driver); one_driver = NULL; c_oneFree(); return 0; } static int oneActive(void){ unsigned int i; int active = 0; if (one_driver == NULL) return(0); oneDriverLock(one_driver); for (i = 0 ; i < one_driver->domains.count ; i++) { virDomainObjLock(one_driver->domains.objs[i]); if (virDomainIsActive(one_driver->domains.objs[i])) active = 1; virDomainObjUnlock(one_driver->domains.objs[i]); } oneDriverUnlock(one_driver); return active; } static int oneVersion(virConnectPtr conn ATTRIBUTE_UNUSED, unsigned long *hvVer) { *hvVer = 1; return 0; } static int oneGetAutostart(virConnectPtr conn ATTRIBUTE_UNUSED) { return 0; } /* Function Tables */ static virDriver oneDriver = { VIR_DRV_ONE, /* the number virDrvNo */ "ONE", /* the name of the driver */ oneOpen, /* open */ oneClose, /* close */ NULL, /* supports_feature */ NULL, /* type */ oneVersion, /* version */ NULL, /* getHostname */ NULL, /* getURI */ NULL, /* getMaxVcpus */ NULL, /* nodeGetInfo */ NULL, /* getCapabilities */ oneListDomains, /* listDomains */ oneNumDomains, /* numOfDomains */ oneDomainCreateAndStart, /* domainCreateXML */ oneDomainLookupByID, /* domainLookupByID */ oneDomainLookupByUUID, /* domainLookupByUUID */ oneDomainLookupByName, /* domainLookupByName */ oneDomainSuspend, /* domainSuspend */ oneDomainResume, /* domainResume */ oneDomainShutdown, /* domainShutdown */ NULL, /* domainReboot */ oneDomainDestroy, /* domainDestroy */ oneGetOSType, /* domainGetOSType */ NULL, /* domainGetMaxMemory */ NULL, /* domainSetMaxMemory */ NULL, /* domainSetMemory */ oneDomainGetInfo, /* domainGetInfo */ NULL, /* domainSave */ NULL, /* domainRestore */ NULL, /* domainCoreDump */ NULL, /* domainSetVcpus */ NULL, /* domainPinVcpu */ NULL, /* domainGetVcpus */ NULL, /* domainGetMaxVcpus */ NULL, /* domainGetSecurityLabel */ NULL, /* nodeGetSecurityModel */ NULL, /* domainDumpXML */ oneListDefinedDomains, /* listDefinedDomains */ oneNumDefinedDomains, /* numOfDefinedDomains */ oneDomainStart, /* domainCreate */ oneDomainDefine, /* domainDefineXML */ oneDomainUndefine, /* domainUndefine */ NULL, /* domainAttachDevice */ NULL, /* domainDetachDevice */ oneGetAutostart, /* domainGetAutostart */ NULL, /* domainSetAutostart */ NULL, /* domainGetSchedulerType */ NULL, /* domainGetSchedulerParameters */ NULL, /* domainSetSchedulerParameters */ NULL, /* domainMigratePrepare */ NULL, /* domainMigratePerform */ NULL, /* domainMigrateFinish */ NULL, /* domainBlockStats */ NULL, /* domainInterfaceStats */ NULL, /* domainBlockPeek */ NULL, /* domainMemoryPeek */ NULL, /* nodeGetCellsFreeMemory */ NULL, /* getFreeMemory */ NULL, /* domainEventRegister */ NULL, /* domainEventDeregister */ NULL, /* domainMigratePrepare2 */ NULL, /* domainMigrateFinish2 */ }; static virStateDriver oneStateDriver = { .initialize = oneStartup, .cleanup = oneShutdown, .active = oneActive, }; int oneRegister(void) { virRegisterDriver(&oneDriver); virRegisterStateDriver(&oneStateDriver); return 0; } ---- Distributed System Architecture Group (http://dsa-research.org) GridWay, http://www.gridway.org OpenNEbula, http://www.opennebula.org

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[libvirt] get domU hostname
by jim_marshall＠msn.com 19 Mar '09

19 Mar '09

Hello, Sorry if this has been asked before, I did some searches and came up empty. I am writing a tool to get data on Xen using libvirt everything is going great, however; I have a need to get the hostname of domU from the program running in dom0. Is this possible using libvirt? Thanks Jim

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[libvirt] java libvirt question
by Zvi Dubitzky 19 Mar '09

19 Mar '09

Hi 1) I downloaded the libvirt-java-0.2.1 tar and try to build Java binding to the libvirt library (configure , make , make install). This is because I am running Ubuntu and presumably cannot use the fedora .rpm For either java-gcj (java version 1.5) or the java-6-openjdk (version 1.6) I do not get the java-dev having its bin components (java, javac, javah, javadoc) under the same directory as the configure script wants ( gcj case : /usr/lib/jvm/java-1.5.0-gcj-../bin , openjdk case: /usr/lib/jvm/java-6-openjdk/bin) and the configure fails Of course I am doing : ./configure --with-java-home=/usr/lib/jvm/java-6-openjdk or similar for version 1.5 Any advice how to solve this problem ? in fact I do not find javac and javah, javadoc after the install only the java, jar 2) the Java libvirt library from the downloads link is dated mid 2008 . Does that have influence on bug fixing since then or this java libvirt package is just for the client side and the server side is the most updated C code so the date does not matter ? thanks Zvi Dubitzky Virtualization and System Architecture Email:dubi@il.ibm.com IBM Haifa Research Laboratory Phone: +972-4-8296182 Haifa, 31905, ISRAEL

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Re: [libvirt] [PATCH] Adding filesystem mount support for openVZ
by Anton Protopopov 19 Mar '09

19 Mar '09

2009/3/12 Daniel P. Berrange <berrange(a)redhat.com> > >> On Wed, Mar 11, 2009 at 05:42:20PM +0100, Florian Vichot wrote: >> > Hi everyone, >> > >> > This patch is to allow using the "mount" type in the "filesystem" tag >> > for OpenVZ domains. >> > >> > Example: >> > ... >> > <filesystem type='mount'> >> > <source dir='/path/to/filesystem/directory/' /> >> > <target dir='/path/to/pivot/root/' /> >> > </filesystem> >> > ... >> > >> > This is my first patch to an external project, so don't spare me if I >> > got things wrong :) >> > >> > Also, I'm curious for suggestions as to how I could allow for the target >> > not to be specified in the XML. Because in this case OpenVZ just makes a >> > temporary pivot root in "/var/lib/vz/root/" and that is probably >> > sufficient for most people, who might not want to have to explicitly >> > create a pivot root somewhere, just for mounting the filesystem while >> > it's running. >> >> Actually the <target dir="..."> means something a little different. This >> refers to the mount point *within* the container. So for the root >> filesystem >> of the container it will be <target dir='/' /> > > No, that patch does something different---it assumes that both <source dir> > and <target dir> > are paths within hardware node. If we denote <source dir> and <target dir> > by the VE_PRIVATE > and VE_ROOT correspondingly, we get the following picture. > > In OpenVZ there are VE_ROOT and VE_PRIVATE values for each container > (they defined as VE_ROOT and VE_PRIVATE variables in container > configuration file). > The VE_PRIVATE defines the actual disposition of conatainer's > root filesystem hierarchy. It can lie on it's own partition or be just a > directory. > When vzctl starts a container, it mounts a VE_PRIVATE "filesystem" to > VE_ROOT > mountpoint and then container starts to work in VE_ROOT chroot... > > So, yes, you are right - in this case we can always assume, that "target > dir within container" is "/" :) > >

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[libvirt] Re: rawhide report: 20090318 changes
by Tomasz Torcz 18 Mar '09

18 Mar '09

On Wed, Mar 18, 2009 at 11:04:12AM +0000, Rawhide Report wrote: > libvirt-0.6.1-5.fc11 > - Disable sound cards when running sVirt May I ask what's the reason for this change? -- Tomasz Torcz To co nierealne -- tutaj jest normalne. xmpp: zdzichubg(a)chrome.pl Ziomale na życie mają tu patenty specjalne.

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