2012-07-31 18:56:07 +00:00
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/*
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2015-06-10 07:50:00 +00:00
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* vz_utils.c: core driver functions for managing
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2012-07-31 18:56:07 +00:00
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* Parallels Cloud Server hosts
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*
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* Copyright (C) 2012 Parallels, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include <stdarg.h>
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2012-12-12 16:27:01 +00:00
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#include "vircommand.h"
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2012-12-13 18:21:53 +00:00
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#include "virerror.h"
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2012-12-12 18:06:53 +00:00
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#include "viralloc.h"
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2012-12-12 17:53:50 +00:00
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#include "virjson.h"
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2015-06-10 07:50:00 +00:00
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#include "vz_utils.h"
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2016-02-10 09:39:14 +00:00
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#include "vz_sdk.h"
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2013-04-03 10:36:23 +00:00
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#include "virstring.h"
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2015-04-22 16:10:50 +00:00
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#include "datatypes.h"
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2012-07-31 18:56:07 +00:00
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#define VIR_FROM_THIS VIR_FROM_PARALLELS
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2016-03-15 07:47:46 +00:00
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#define PRLSRVCTL "prlsrvctl"
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2012-07-31 18:56:07 +00:00
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2016-03-15 07:47:47 +00:00
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static virDomainDiskBus vz6DiskBuses[] = {VIR_DOMAIN_DISK_BUS_IDE,
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VIR_DOMAIN_DISK_BUS_SCSI,
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VIR_DOMAIN_DISK_BUS_SATA,
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VIR_DOMAIN_DISK_BUS_LAST};
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static virDomainDiskBus vz7DiskBuses[] = {VIR_DOMAIN_DISK_BUS_IDE,
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VIR_DOMAIN_DISK_BUS_SCSI,
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VIR_DOMAIN_DISK_BUS_LAST};
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2015-04-22 16:10:50 +00:00
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/**
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2015-06-10 07:50:00 +00:00
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* vzDomObjFromDomain:
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2015-04-22 16:10:50 +00:00
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* @domain: Domain pointer that has to be looked up
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*
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* This function looks up @domain and returns the appropriate virDomainObjPtr
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* that has to be unlocked by virObjectUnlock().
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*
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* Returns the domain object without incremented reference counter which is locked
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* on success, NULL otherwise.
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*/
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virDomainObjPtr
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2015-06-10 07:50:00 +00:00
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vzDomObjFromDomain(virDomainPtr domain)
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2015-04-22 16:10:50 +00:00
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{
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virDomainObjPtr vm;
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2015-06-10 07:50:00 +00:00
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vzConnPtr privconn = domain->conn->privateData;
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2015-04-22 16:10:50 +00:00
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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vm = virDomainObjListFindByUUID(privconn->domains, domain->uuid);
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if (!vm) {
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virUUIDFormat(domain->uuid, uuidstr);
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virReportError(VIR_ERR_NO_DOMAIN,
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_("no domain with matching uuid '%s' (%s)"),
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uuidstr, domain->name);
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return NULL;
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}
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return vm;
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}
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2015-06-09 07:35:53 +00:00
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/**
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2015-06-10 07:50:00 +00:00
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* vzDomObjFromDomainRef:
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2015-06-09 07:35:53 +00:00
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* @domain: Domain pointer that has to be looked up
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*
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* This function looks up @domain and returns the appropriate virDomainObjPtr
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* that has to be released by calling virDomainObjEndAPI().
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*
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* Returns the domain object with incremented reference counter which is locked
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* on success, NULL otherwise.
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*/
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virDomainObjPtr
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2015-06-10 07:50:00 +00:00
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vzDomObjFromDomainRef(virDomainPtr domain)
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2015-06-09 07:35:53 +00:00
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{
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virDomainObjPtr vm;
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2015-06-10 07:50:00 +00:00
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vzConnPtr privconn = domain->conn->privateData;
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2015-06-09 07:35:53 +00:00
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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vm = virDomainObjListFindByUUIDRef(privconn->domains, domain->uuid);
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if (!vm) {
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virUUIDFormat(domain->uuid, uuidstr);
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virReportError(VIR_ERR_NO_DOMAIN,
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_("no domain with matching uuid '%s' (%s)"),
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uuidstr, domain->name);
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return NULL;
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}
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return vm;
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}
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2015-04-22 16:10:50 +00:00
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2012-07-31 18:56:07 +00:00
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static int
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2015-06-10 07:50:00 +00:00
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vzDoCmdRun(char **outbuf, const char *binary, va_list list)
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2012-07-31 18:56:07 +00:00
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{
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virCommandPtr cmd = virCommandNewVAList(binary, list);
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int ret = -1;
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if (outbuf)
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virCommandSetOutputBuffer(cmd, outbuf);
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2013-01-23 22:04:48 +00:00
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if (virCommandRun(cmd, NULL) < 0)
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2012-07-31 18:56:07 +00:00
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goto cleanup;
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ret = 0;
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2014-03-25 06:57:01 +00:00
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cleanup:
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2012-07-31 18:56:07 +00:00
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virCommandFree(cmd);
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2012-09-10 15:23:43 +00:00
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if (ret && outbuf)
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2012-07-31 18:56:07 +00:00
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VIR_FREE(*outbuf);
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return ret;
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}
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/*
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* Run command and return its output, pointer to
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* buffer or NULL in case of error. Caller os responsible
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* for freeing the buffer.
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*/
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char *
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2015-06-10 07:50:00 +00:00
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vzGetOutput(const char *binary, ...)
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2012-07-31 18:56:07 +00:00
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{
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char *outbuf;
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va_list list;
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int ret;
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va_start(list, binary);
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2015-06-10 07:50:00 +00:00
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ret = vzDoCmdRun(&outbuf, binary, list);
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2012-07-31 18:56:07 +00:00
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va_end(list);
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if (ret)
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return NULL;
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return outbuf;
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}
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2016-02-10 09:39:14 +00:00
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virDomainObjPtr
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vzNewDomain(vzConnPtr privconn, char *name, const unsigned char *uuid)
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{
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virDomainDefPtr def = NULL;
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virDomainObjPtr dom = NULL;
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vzDomObjPtr pdom = NULL;
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if (!(def = virDomainDefNewFull(name, uuid, -1)))
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goto error;
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if (VIR_ALLOC(pdom) < 0)
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goto error;
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if (virCondInit(&pdom->cache.cond) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot initialize condition"));
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goto error;
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}
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pdom->cache.stats = PRL_INVALID_HANDLE;
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pdom->cache.count = -1;
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if (STREQ(privconn->drivername, "vz"))
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def->virtType = VIR_DOMAIN_VIRT_VZ;
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else
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def->virtType = VIR_DOMAIN_VIRT_PARALLELS;
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if (!(dom = virDomainObjListAdd(privconn->domains, def,
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privconn->xmlopt,
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0, NULL)))
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goto error;
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dom->privateData = pdom;
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dom->privateDataFreeFunc = prlsdkDomObjFreePrivate;
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dom->persistent = 1;
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return dom;
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error:
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if (pdom && pdom->cache.count == -1)
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virCondDestroy(&pdom->cache.cond);
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virDomainDefFree(def);
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VIR_FREE(pdom);
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return NULL;
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}
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2016-03-15 07:47:46 +00:00
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2016-03-15 07:47:47 +00:00
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static void
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vzInitCaps(unsigned long vzVersion, vzCapabilities *vzCaps)
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{
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if (vzVersion < VIRTUOZZO_VER_7) {
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vzCaps->ctDiskFormat = VIR_STORAGE_FILE_PLOOP;
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vzCaps->vmDiskFormat = VIR_STORAGE_FILE_PLOOP;
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vzCaps->diskBuses = vz6DiskBuses;
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} else {
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vzCaps->ctDiskFormat = VIR_STORAGE_FILE_PLOOP;
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vzCaps->vmDiskFormat = VIR_STORAGE_FILE_QCOW2;
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vzCaps->diskBuses = vz7DiskBuses;
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}
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}
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2016-03-15 07:47:46 +00:00
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int
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vzInitVersion(vzConnPtr privconn)
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{
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char *output, *sVer, *tmp;
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const char *searchStr = "prlsrvctl version ";
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int ret = -1;
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output = vzGetOutput(PRLSRVCTL, "--help", NULL);
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if (!output) {
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vzParseError();
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goto cleanup;
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}
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if (!(sVer = strstr(output, searchStr))) {
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vzParseError();
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goto cleanup;
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}
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sVer = sVer + strlen(searchStr);
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/* parallels server has versions number like 6.0.17977.782218 or 7.0.0,
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* In libvirt we handle only first two numbers. */
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if (!(tmp = strchr(sVer, '.'))) {
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vzParseError();
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goto cleanup;
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}
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if (!(tmp = strchr(tmp + 1, '.'))) {
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vzParseError();
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goto cleanup;
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}
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tmp[0] = '\0';
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if (virParseVersionString(sVer, &(privconn->vzVersion), true) < 0) {
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vzParseError();
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goto cleanup;
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}
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2016-03-15 07:47:47 +00:00
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vzInitCaps(privconn->vzVersion, &privconn->vzCaps);
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2016-03-15 07:47:46 +00:00
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ret = 0;
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cleanup:
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VIR_FREE(output);
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return ret;
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}
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2016-03-15 07:47:48 +00:00
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int
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vzCheckUnsupportedDisks(virDomainDefPtr def, vzCapabilitiesPtr vzCaps)
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{
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size_t i, j;
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virDomainDiskDefPtr disk;
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virStorageFileFormat diskFormat;
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bool supported;
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for (i = 0; i < def->ndisks; i++) {
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disk = def->disks[i];
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diskFormat = virDomainDiskGetFormat(disk);
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supported = true;
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if (disk->src->type == VIR_STORAGE_TYPE_FILE) {
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if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
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diskFormat != VIR_STORAGE_FILE_NONE) {
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if (IS_CT(def))
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supported = vzCaps->ctDiskFormat == diskFormat;
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else
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supported = vzCaps->vmDiskFormat == diskFormat;
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}
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} else {
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if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
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supported = diskFormat == VIR_STORAGE_FILE_RAW ||
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diskFormat == VIR_STORAGE_FILE_NONE ||
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diskFormat == VIR_STORAGE_FILE_AUTO;
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}
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}
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if (!supported) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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_("Unsupported format of disk %s"),
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disk->src->path);
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return -1;
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}
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for (j = 0; vzCaps->diskBuses[j] != VIR_DOMAIN_DISK_BUS_LAST; j++) {
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if (disk->bus == vzCaps->diskBuses[j])
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break;
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}
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if (vzCaps->diskBuses[j] == VIR_DOMAIN_DISK_BUS_LAST) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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_("Unsupported disk bus type %s"),
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virDomainDiskBusTypeToString(disk->bus));
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return -1;
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}
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}
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return 0;
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}
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