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6a639b917f
* qemud/conf.c, qemud/dispatch.c, qemud/driver.c,
qemud/qemud.c: include autoconf's config.h
1432 lines
44 KiB
C
1432 lines
44 KiB
C
/*
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* config.c: VM configuration management
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*
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* Copyright (C) 2006, 2007 Red Hat, Inc.
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* Copyright (C) 2006 Daniel P. Berrange
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include <config.h>
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#include <dirent.h>
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#include <string.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#include <libxml/xpath.h>
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#include <libxml/uri.h>
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#include <libvirt/virterror.h>
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#include "protocol.h"
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#include "internal.h"
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#include "conf.h"
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#include "driver.h"
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static int qemudParseUUID(const char *uuid,
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unsigned char *rawuuid) {
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const char *cur;
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int i;
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/*
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* do a liberal scan allowing '-' and ' ' anywhere between character
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* pairs as long as there is 32 of them in the end.
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*/
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cur = uuid;
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for (i = 0;i < 16;) {
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rawuuid[i] = 0;
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if (*cur == 0)
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goto error;
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if ((*cur == '-') || (*cur == ' ')) {
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cur++;
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continue;
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}
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if ((*cur >= '0') && (*cur <= '9'))
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rawuuid[i] = *cur - '0';
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else if ((*cur >= 'a') && (*cur <= 'f'))
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rawuuid[i] = *cur - 'a' + 10;
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else if ((*cur >= 'A') && (*cur <= 'F'))
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rawuuid[i] = *cur - 'A' + 10;
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else
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goto error;
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rawuuid[i] *= 16;
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cur++;
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if (*cur == 0)
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goto error;
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if ((*cur >= '0') && (*cur <= '9'))
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rawuuid[i] += *cur - '0';
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else if ((*cur >= 'a') && (*cur <= 'f'))
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rawuuid[i] += *cur - 'a' + 10;
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else if ((*cur >= 'A') && (*cur <= 'F'))
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rawuuid[i] += *cur - 'A' + 10;
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else
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goto error;
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i++;
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cur++;
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}
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return 0;
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error:
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return -1;
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}
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struct qemu_arch_info {
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const char *arch;
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const char **machines;
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const char *binary;
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};
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/* The list of possible machine types for various architectures,
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as supported by QEMU - taken from 'qemu -M ?' for each arch */
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static const char *arch_info_x86_machines[] = {
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"pc", "isapc"
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};
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static const char *arch_info_mips_machines[] = {
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"mips"
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};
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static const char *arch_info_sparc_machines[] = {
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"sun4m"
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};
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static const char *arch_info_ppc_machines[] = {
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"g3bw", "mac99", "prep"
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};
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/* The archicture tables for supported QEMU archs */
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static struct qemu_arch_info archs[] = {
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{ "i686", arch_info_x86_machines, "qemu" },
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{ "x86_64", arch_info_x86_machines, "qemu-system-x86_64" },
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{ "mips", arch_info_mips_machines, "qemu-system-mips" },
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{ "mipsel", arch_info_mips_machines, "qemu-system-mipsel" },
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{ "sparc", arch_info_sparc_machines, "qemu-system-sparc" },
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{ "ppc", arch_info_ppc_machines, "qemu-system-ppc" },
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};
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/* Return the default architecture if none is explicitly requested*/
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static const char *qemudDefaultArch(void) {
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return archs[0].arch;
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}
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/* Return the default machine type for a given architecture */
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static const char *qemudDefaultMachineForArch(const char *arch) {
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int i;
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for (i = 0 ; i < (int)(sizeof(archs) / sizeof(struct qemu_arch_info)) ; i++) {
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if (!strcmp(archs[i].arch, arch)) {
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return archs[i].machines[0];
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}
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}
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return NULL;
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}
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/* Return the default binary name for a particular architecture */
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static const char *qemudDefaultBinaryForArch(const char *arch) {
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int i;
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for (i = 0 ; i < (int)(sizeof(archs) / sizeof(struct qemu_arch_info)) ; i++) {
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if (!strcmp(archs[i].arch, arch)) {
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return archs[i].binary;
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}
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}
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return NULL;
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}
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/* Find the fully qualified path to the binary for an architecture */
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static char *qemudLocateBinaryForArch(struct qemud_server *server,
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int virtType, const char *arch) {
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const char *name;
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char *path;
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if (virtType == QEMUD_VIRT_KVM)
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name = "qemu-kvm";
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else
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name = qemudDefaultBinaryForArch(arch);
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if (!name) {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "cannot determin binary for architecture %s", arch);
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return NULL;
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}
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/* XXX lame. should actually use $PATH ... */
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path = malloc(strlen(name) + strlen("/usr/bin/") + 1);
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if (!path) {
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qemudReportError(server, VIR_ERR_NO_MEMORY, "path");
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return NULL;
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}
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strcpy(path, "/usr/bin/");
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strcat(path, name);
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return path;
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}
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/* Parse the XML definition for a disk */
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static struct qemud_vm_disk_def *qemudParseDiskXML(struct qemud_server *server,
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xmlNodePtr node) {
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struct qemud_vm_disk_def *disk = calloc(1, sizeof(struct qemud_vm_disk_def));
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xmlNodePtr cur;
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xmlChar *device = NULL;
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xmlChar *source = NULL;
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xmlChar *target = NULL;
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xmlChar *type = NULL;
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int typ = 0;
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if (!disk) {
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qemudReportError(server, VIR_ERR_NO_MEMORY, "disk");
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return NULL;
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}
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type = xmlGetProp(node, BAD_CAST "type");
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if (type != NULL) {
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if (xmlStrEqual(type, BAD_CAST "file"))
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typ = QEMUD_DISK_FILE;
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else if (xmlStrEqual(type, BAD_CAST "block"))
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typ = QEMUD_DISK_BLOCK;
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else {
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typ = QEMUD_DISK_FILE;
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}
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xmlFree(type);
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type = NULL;
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}
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device = xmlGetProp(node, BAD_CAST "device");
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cur = node->children;
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while (cur != NULL) {
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if (cur->type == XML_ELEMENT_NODE) {
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if ((source == NULL) &&
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(xmlStrEqual(cur->name, BAD_CAST "source"))) {
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if (typ == QEMUD_DISK_FILE)
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source = xmlGetProp(cur, BAD_CAST "file");
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else
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source = xmlGetProp(cur, BAD_CAST "dev");
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} else if ((target == NULL) &&
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(xmlStrEqual(cur->name, BAD_CAST "target"))) {
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target = xmlGetProp(cur, BAD_CAST "dev");
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} else if (xmlStrEqual(cur->name, BAD_CAST "readonly")) {
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disk->readonly = 1;
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}
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}
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cur = cur->next;
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}
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if (source == NULL) {
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qemudReportError(server, VIR_ERR_NO_SOURCE, target ? "%s" : NULL, target);
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goto error;
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}
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if (target == NULL) {
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qemudReportError(server, VIR_ERR_NO_TARGET, source ? "%s" : NULL, source);
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goto error;
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}
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if (device &&
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!strcmp((const char *)device, "floppy") &&
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strcmp((const char *)target, "fda") &&
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strcmp((const char *)target, "fdb")) {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "Invalid floppy device name: %s", target);
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goto error;
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}
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if (device &&
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!strcmp((const char *)device, "cdrom") &&
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strcmp((const char *)target, "hdc")) {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "Invalid cdrom device name: %s", target);
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goto error;
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}
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if (device &&
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!strcmp((const char *)device, "cdrom"))
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disk->readonly = 1;
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if ((!device || !strcmp((const char *)device, "disk")) &&
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strcmp((const char *)target, "hda") &&
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strcmp((const char *)target, "hdb") &&
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strcmp((const char *)target, "hdc") &&
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strcmp((const char *)target, "hdd")) {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "Invalid harddisk device name: %s", target);
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goto error;
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}
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strncpy(disk->src, (const char *)source, NAME_MAX-1);
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disk->src[NAME_MAX-1] = '\0';
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strncpy(disk->dst, (const char *)target, NAME_MAX-1);
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disk->dst[NAME_MAX-1] = '\0';
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disk->type = typ;
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if (!device)
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disk->device = QEMUD_DISK_DISK;
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else if (!strcmp((const char *)device, "disk"))
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disk->device = QEMUD_DISK_DISK;
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else if (!strcmp((const char *)device, "cdrom"))
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disk->device = QEMUD_DISK_CDROM;
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else if (!strcmp((const char *)device, "floppy"))
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disk->device = QEMUD_DISK_FLOPPY;
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else {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "Invalid device type: %s", device);
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goto error;
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}
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xmlFree(device);
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xmlFree(target);
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xmlFree(source);
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return disk;
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error:
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if (type)
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xmlFree(type);
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if (target)
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xmlFree(target);
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if (source)
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xmlFree(source);
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if (device)
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xmlFree(device);
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free(disk);
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return NULL;
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}
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/* Parse the XML definition for a network interface */
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static struct qemud_vm_net_def *qemudParseInterfaceXML(struct qemud_server *server,
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xmlNodePtr node) {
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struct qemud_vm_net_def *net = calloc(1, sizeof(struct qemud_vm_net_def));
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xmlNodePtr cur;
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xmlChar *macaddr = NULL;
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xmlChar *type = NULL;
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if (!net) {
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qemudReportError(server, VIR_ERR_NO_MEMORY, "net");
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return NULL;
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}
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net->type = QEMUD_NET_USER;
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type = xmlGetProp(node, BAD_CAST "type");
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if (type != NULL) {
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if (xmlStrEqual(type, BAD_CAST "user"))
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net->type = QEMUD_NET_USER;
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else if (xmlStrEqual(type, BAD_CAST "tap"))
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net->type = QEMUD_NET_TAP;
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else if (xmlStrEqual(type, BAD_CAST "server"))
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net->type = QEMUD_NET_SERVER;
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else if (xmlStrEqual(type, BAD_CAST "client"))
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net->type = QEMUD_NET_CLIENT;
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else if (xmlStrEqual(type, BAD_CAST "mcast"))
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net->type = QEMUD_NET_MCAST;
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/*
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else if (xmlStrEqual(type, BAD_CAST "vde"))
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typ = QEMUD_NET_VDE;
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*/
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else
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net->type = QEMUD_NET_USER;
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xmlFree(type);
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type = NULL;
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}
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cur = node->children;
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while (cur != NULL) {
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if (cur->type == XML_ELEMENT_NODE) {
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if ((macaddr == NULL) &&
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(xmlStrEqual(cur->name, BAD_CAST "mac"))) {
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macaddr = xmlGetProp(cur, BAD_CAST "address");
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}
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}
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cur = cur->next;
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}
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net->vlan = 0;
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if (macaddr) {
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sscanf((const char *)macaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
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(unsigned int*)&net->mac[0],
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(unsigned int*)&net->mac[1],
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(unsigned int*)&net->mac[2],
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(unsigned int*)&net->mac[3],
|
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(unsigned int*)&net->mac[4],
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(unsigned int*)&net->mac[5]);
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|
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xmlFree(macaddr);
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}
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|
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return net;
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}
|
|
|
|
|
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/*
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* Parses a libvirt XML definition of a guest, and populates the
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* the qemud_vm struct with matching data about the guests config
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*/
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static int qemudParseXML(struct qemud_server *server,
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xmlDocPtr xml,
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struct qemud_vm *vm) {
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xmlNodePtr root = NULL;
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xmlChar *prop = NULL;
|
|
xmlXPathContextPtr ctxt = NULL;
|
|
xmlXPathObjectPtr obj = NULL;
|
|
char *conv = NULL;
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int i;
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|
|
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/* Prepare parser / xpath context */
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root = xmlDocGetRootElement(xml);
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if ((root == NULL) || (!xmlStrEqual(root->name, BAD_CAST "domain"))) {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "incorrect root element");
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goto error;
|
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}
|
|
|
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ctxt = xmlXPathNewContext(xml);
|
|
if (ctxt == NULL) {
|
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qemudReportError(server, VIR_ERR_NO_MEMORY, "xmlXPathContext");
|
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goto error;
|
|
}
|
|
|
|
|
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/* Find out what type of QEMU virtualization to use */
|
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if (!(prop = xmlGetProp(root, BAD_CAST "type"))) {
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qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "missing domain type attribute");
|
|
goto error;
|
|
}
|
|
|
|
if (!strcmp((char *)prop, "qemu"))
|
|
vm->def.virtType = QEMUD_VIRT_QEMU;
|
|
else if (!strcmp((char *)prop, "kqemu"))
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|
vm->def.virtType = QEMUD_VIRT_KQEMU;
|
|
else if (!strcmp((char *)prop, "kvm"))
|
|
vm->def.virtType = QEMUD_VIRT_KVM;
|
|
else {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "invalid domain type attribute");
|
|
goto error;
|
|
}
|
|
free(prop);
|
|
prop = NULL;
|
|
|
|
|
|
/* Extract domain name */
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/name[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
qemudReportError(server, VIR_ERR_NO_NAME, NULL);
|
|
goto error;
|
|
}
|
|
if (strlen((const char *)obj->stringval) >= (QEMUD_MAX_NAME_LEN-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "domain name length too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.name, (const char *)obj->stringval);
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
/* Extract domain uuid */
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/uuid[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
/* XXX auto-generate a UUID */
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "missing uuid element");
|
|
goto error;
|
|
}
|
|
if (qemudParseUUID((const char *)obj->stringval, vm->def.uuid) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "malformed uuid element");
|
|
goto error;
|
|
}
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
/* Extract domain memory */
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/memory[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "missing memory element");
|
|
goto error;
|
|
} else {
|
|
conv = NULL;
|
|
vm->def.maxmem = strtoll((const char*)obj->stringval, &conv, 10);
|
|
if (conv == (const char*)obj->stringval) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "malformed memory information");
|
|
goto error;
|
|
}
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
/* Extract domain memory */
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/currentMemory[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
vm->def.memory = vm->def.maxmem;
|
|
} else {
|
|
conv = NULL;
|
|
vm->def.memory = strtoll((const char*)obj->stringval, &conv, 10);
|
|
if (vm->def.memory > vm->def.maxmem)
|
|
vm->def.memory = vm->def.maxmem;
|
|
if (conv == (const char*)obj->stringval) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "malformed memory information");
|
|
goto error;
|
|
}
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
/* Extract domain vcpu info */
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/vcpu[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
vm->def.vcpus = 1;
|
|
} else {
|
|
conv = NULL;
|
|
vm->def.vcpus = strtoll((const char*)obj->stringval, &conv, 10);
|
|
if (conv == (const char*)obj->stringval) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "malformed vcpu information");
|
|
goto error;
|
|
}
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
/* See if ACPI feature is requested */
|
|
obj = xmlXPathEval(BAD_CAST "/domain/features/acpi", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_NODESET) &&
|
|
(obj->nodesetval != NULL) && (obj->nodesetval->nodeNr == 1)) {
|
|
vm->def.features |= QEMUD_FEATURE_ACPI;
|
|
}
|
|
|
|
/* Extract OS type info */
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/os/type[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
qemudReportError(server, VIR_ERR_OS_TYPE, NULL);
|
|
goto error;
|
|
}
|
|
if (strcmp((const char *)obj->stringval, "hvm")) {
|
|
qemudReportError(server, VIR_ERR_OS_TYPE, "%s", obj->stringval);
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.type, (const char *)obj->stringval);
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/os/type[1]/@arch)", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
const char *defaultArch = qemudDefaultArch();
|
|
if (strlen(defaultArch) >= (QEMUD_OS_TYPE_MAX_LEN-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "architecture type too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.arch, defaultArch);
|
|
} else {
|
|
if (strlen((const char *)obj->stringval) >= (QEMUD_OS_TYPE_MAX_LEN-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "architecture type too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.arch, (const char *)obj->stringval);
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/os/type[1]/@machine)", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
const char *defaultMachine = qemudDefaultMachineForArch(vm->def.os.arch);
|
|
if (strlen(defaultMachine) >= (QEMUD_OS_MACHINE_MAX_LEN-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "machine type too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.machine, defaultMachine);
|
|
} else {
|
|
if (strlen((const char *)obj->stringval) >= (QEMUD_OS_MACHINE_MAX_LEN-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "architecture type too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.machine, (const char *)obj->stringval);
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/os/kernel[1])", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_STRING) &&
|
|
(obj->stringval != NULL) && (obj->stringval[0] != 0)) {
|
|
if (strlen((const char *)obj->stringval) >= (PATH_MAX-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "kernel path too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.kernel, (const char *)obj->stringval);
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/os/initrd[1])", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_STRING) &&
|
|
(obj->stringval != NULL) && (obj->stringval[0] != 0)) {
|
|
if (strlen((const char *)obj->stringval) >= (PATH_MAX-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "initrd path too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.initrd, (const char *)obj->stringval);
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/os/cmdline[1])", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_STRING) &&
|
|
(obj->stringval != NULL) && (obj->stringval[0] != 0)) {
|
|
if (strlen((const char *)obj->stringval) >= (PATH_MAX-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "cmdline arguments too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.cmdline, (const char *)obj->stringval);
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
/* analysis of the disk devices */
|
|
obj = xmlXPathEval(BAD_CAST "/domain/os/boot", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_NODESET) &&
|
|
(obj->nodesetval != NULL) && (obj->nodesetval->nodeNr >= 0)) {
|
|
for (i = 0; i < obj->nodesetval->nodeNr && i < QEMUD_MAX_BOOT_DEVS ; i++) {
|
|
prop = xmlGetProp(obj->nodesetval->nodeTab[i], BAD_CAST "dev");
|
|
if (!strcmp((char *)prop, "hd")) {
|
|
vm->def.os.bootDevs[vm->def.os.nBootDevs++] = QEMUD_BOOT_DISK;
|
|
} else if (!strcmp((char *)prop, "fd")) {
|
|
vm->def.os.bootDevs[vm->def.os.nBootDevs++] = QEMUD_BOOT_FLOPPY;
|
|
} else if (!strcmp((char *)prop, "cdrom")) {
|
|
vm->def.os.bootDevs[vm->def.os.nBootDevs++] = QEMUD_BOOT_CDROM;
|
|
} else if (!strcmp((char *)prop, "net")) {
|
|
vm->def.os.bootDevs[vm->def.os.nBootDevs++] = QEMUD_BOOT_NET;
|
|
} else {
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
xmlXPathFreeObject(obj);
|
|
if (vm->def.os.nBootDevs == 0) {
|
|
vm->def.os.nBootDevs = 1;
|
|
vm->def.os.bootDevs[0] = QEMUD_BOOT_DISK;
|
|
}
|
|
|
|
|
|
obj = xmlXPathEval(BAD_CAST "string(/domain/devices/emulator[1])", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
|
|
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
|
|
char *tmp = qemudLocateBinaryForArch(server, vm->def.virtType, vm->def.os.arch);
|
|
if (!tmp) {
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.binary, tmp);
|
|
free(tmp);
|
|
} else {
|
|
if (strlen((const char *)obj->stringval) >= (PATH_MAX-1)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "%s", "emulator path too long");
|
|
goto error;
|
|
}
|
|
strcpy(vm->def.os.binary, (const char *)obj->stringval);
|
|
}
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
|
|
obj = xmlXPathEval(BAD_CAST "/domain/devices/graphics", ctxt);
|
|
if ((obj == NULL) || (obj->type != XPATH_NODESET) ||
|
|
(obj->nodesetval == NULL) || (obj->nodesetval->nodeNr == 0)) {
|
|
vm->def.graphicsType = QEMUD_GRAPHICS_NONE;
|
|
} else {
|
|
prop = xmlGetProp(obj->nodesetval->nodeTab[0], BAD_CAST "type");
|
|
if (!strcmp((char *)prop, "vnc")) {
|
|
vm->def.graphicsType = QEMUD_GRAPHICS_VNC;
|
|
prop = xmlGetProp(obj->nodesetval->nodeTab[0], BAD_CAST "port");
|
|
if (prop) {
|
|
conv = NULL;
|
|
vm->def.vncPort = strtoll((const char*)prop, &conv, 10);
|
|
} else {
|
|
vm->def.vncPort = -1;
|
|
}
|
|
} else if (!strcmp((char *)prop, "sdl")) {
|
|
vm->def.graphicsType = QEMUD_GRAPHICS_SDL;
|
|
} else {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "Unsupported graphics type %s", prop);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
/* analysis of the disk devices */
|
|
obj = xmlXPathEval(BAD_CAST "/domain/devices/disk", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_NODESET) &&
|
|
(obj->nodesetval != NULL) && (obj->nodesetval->nodeNr >= 0)) {
|
|
for (i = 0; i < obj->nodesetval->nodeNr; i++) {
|
|
struct qemud_vm_disk_def *disk;
|
|
if (!(disk = qemudParseDiskXML(server, obj->nodesetval->nodeTab[i]))) {
|
|
goto error;
|
|
}
|
|
vm->def.ndisks++;
|
|
disk->next = vm->def.disks;
|
|
vm->def.disks = disk;
|
|
}
|
|
}
|
|
xmlXPathFreeObject(obj);
|
|
|
|
|
|
/* analysis of the network devices */
|
|
obj = xmlXPathEval(BAD_CAST "/domain/devices/interface", ctxt);
|
|
if ((obj != NULL) && (obj->type == XPATH_NODESET) &&
|
|
(obj->nodesetval != NULL) && (obj->nodesetval->nodeNr >= 0)) {
|
|
for (i = 0; i < obj->nodesetval->nodeNr; i++) {
|
|
struct qemud_vm_net_def *net;
|
|
if (!(net = qemudParseInterfaceXML(server, obj->nodesetval->nodeTab[i]))) {
|
|
goto error;
|
|
}
|
|
vm->def.nnets++;
|
|
net->next = vm->def.nets;
|
|
vm->def.nets = net;
|
|
}
|
|
}
|
|
xmlXPathFreeObject(obj);
|
|
xmlXPathFreeContext(ctxt);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
if (prop)
|
|
free(prop);
|
|
if (obj)
|
|
xmlXPathFreeObject(obj);
|
|
if (ctxt)
|
|
xmlXPathFreeContext(ctxt);
|
|
return -1;
|
|
}
|
|
|
|
|
|
/*
|
|
* Constructs a argv suitable for launching qemu with config defined
|
|
* for a given virtual machine.
|
|
*/
|
|
int qemudBuildCommandLine(struct qemud_server *server,
|
|
struct qemud_vm *vm,
|
|
char ***argv,
|
|
int *argc) {
|
|
int n = -1, i;
|
|
char memory[50];
|
|
char vcpus[50];
|
|
char boot[QEMUD_MAX_BOOT_DEVS+1];
|
|
struct qemud_vm_disk_def *disk = vm->def.disks;
|
|
struct qemud_vm_net_def *net = vm->def.nets;
|
|
|
|
*argc = 1 + /* qemu */
|
|
2 + /* machine type */
|
|
(vm->def.virtType == QEMUD_VIRT_QEMU ? 1 : 0) + /* Disable kqemu */
|
|
2 * vm->def.ndisks + /* disks*/
|
|
(vm->def.nnets > 0 ? (4 * vm->def.nnets) : 2) + /* networks */
|
|
2 + /* memory*/
|
|
2 + /* cpus */
|
|
2 + /* boot device */
|
|
2 + /* monitor */
|
|
(vm->def.features & QEMUD_FEATURE_ACPI ? 0 : 1) + /* acpi */
|
|
(vm->def.os.kernel[0] ? 2 : 0) + /* kernel */
|
|
(vm->def.os.initrd[0] ? 2 : 0) + /* initrd */
|
|
(vm->def.os.cmdline[0] ? 2 : 0) + /* cmdline */
|
|
(vm->def.graphicsType == QEMUD_GRAPHICS_VNC ? 2 :
|
|
(vm->def.graphicsType == QEMUD_GRAPHICS_SDL ? 0 : 1)); /* graphics */
|
|
|
|
sprintf(memory, "%d", vm->def.memory/1024);
|
|
sprintf(vcpus, "%d", vm->def.vcpus);
|
|
|
|
if (!(*argv = malloc(sizeof(char *) * (*argc +1))))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(vm->def.os.binary)))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup("-M")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(vm->def.os.machine)))
|
|
goto no_memory;
|
|
if (vm->def.virtType == QEMUD_VIRT_QEMU) {
|
|
if (!((*argv)[++n] = strdup("-no-kqemu")))
|
|
goto no_memory;
|
|
}
|
|
if (!((*argv)[++n] = strdup("-m")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(memory)))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup("-smp")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(vcpus)))
|
|
goto no_memory;
|
|
|
|
if (!((*argv)[++n] = strdup("-monitor")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup("pty")))
|
|
goto no_memory;
|
|
|
|
if (!(vm->def.features & QEMUD_FEATURE_ACPI)) {
|
|
if (!((*argv)[++n] = strdup("-no-acpi")))
|
|
goto no_memory;
|
|
}
|
|
|
|
for (i = 0 ; i < vm->def.os.nBootDevs ; i++) {
|
|
switch (vm->def.os.bootDevs[i]) {
|
|
case QEMUD_BOOT_CDROM:
|
|
boot[i] = 'd';
|
|
break;
|
|
case QEMUD_BOOT_FLOPPY:
|
|
boot[i] = 'a';
|
|
break;
|
|
case QEMUD_BOOT_DISK:
|
|
boot[i] = 'c';
|
|
break;
|
|
case QEMUD_BOOT_NET:
|
|
boot[i] = 'n';
|
|
break;
|
|
default:
|
|
boot[i] = 'c';
|
|
break;
|
|
}
|
|
}
|
|
boot[vm->def.os.nBootDevs] = '\0';
|
|
if (!((*argv)[++n] = strdup("-boot")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(boot)))
|
|
goto no_memory;
|
|
|
|
if (vm->def.os.kernel[0]) {
|
|
if (!((*argv)[++n] = strdup("-kernel")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(vm->def.os.kernel)))
|
|
goto no_memory;
|
|
}
|
|
if (vm->def.os.initrd[0]) {
|
|
if (!((*argv)[++n] = strdup("-initrd")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(vm->def.os.initrd)))
|
|
goto no_memory;
|
|
}
|
|
if (vm->def.os.cmdline[0]) {
|
|
if (!((*argv)[++n] = strdup("-append")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(vm->def.os.cmdline)))
|
|
goto no_memory;
|
|
}
|
|
|
|
while (disk) {
|
|
char dev[NAME_MAX];
|
|
char file[PATH_MAX];
|
|
if (!strcmp(disk->dst, "hdc") &&
|
|
disk->device == QEMUD_DISK_CDROM)
|
|
snprintf(dev, NAME_MAX, "-%s", "cdrom");
|
|
else
|
|
snprintf(dev, NAME_MAX, "-%s", disk->dst);
|
|
snprintf(file, PATH_MAX, "%s", disk->src);
|
|
|
|
if (!((*argv)[++n] = strdup(dev)))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(file)))
|
|
goto no_memory;
|
|
|
|
disk = disk->next;
|
|
}
|
|
|
|
if (!net) {
|
|
if (!((*argv)[++n] = strdup("-net")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup("none")))
|
|
goto no_memory;
|
|
} else {
|
|
while (net) {
|
|
char nic[3+1+7+1+17+1];
|
|
sprintf(nic, "nic,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
|
|
net->mac[0], net->mac[1],
|
|
net->mac[2], net->mac[3],
|
|
net->mac[4], net->mac[5]);
|
|
|
|
if (!((*argv)[++n] = strdup("-net")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(nic)))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup("-net")))
|
|
goto no_memory;
|
|
/* XXX don't hardcode user */
|
|
if (!((*argv)[++n] = strdup("user")))
|
|
goto no_memory;
|
|
|
|
net = net->next;
|
|
}
|
|
}
|
|
|
|
if (vm->def.graphicsType == QEMUD_GRAPHICS_VNC) {
|
|
char port[10];
|
|
snprintf(port, 10, "%d", vm->def.vncActivePort - 5900);
|
|
if (!((*argv)[++n] = strdup("-vnc")))
|
|
goto no_memory;
|
|
if (!((*argv)[++n] = strdup(port)))
|
|
goto no_memory;
|
|
} else if (vm->def.graphicsType == QEMUD_GRAPHICS_NONE) {
|
|
if (!((*argv)[++n] = strdup("-nographic")))
|
|
goto no_memory;
|
|
} else {
|
|
/* SDL is the default. no args needed */
|
|
}
|
|
|
|
(*argv)[++n] = NULL;
|
|
|
|
return 0;
|
|
|
|
no_memory:
|
|
if (argv) {
|
|
for (i = 0 ; i < n ; i++)
|
|
free(argv[i]);
|
|
free(argv);
|
|
}
|
|
qemudReportError(server, VIR_ERR_NO_MEMORY, "argv");
|
|
return -1;
|
|
}
|
|
|
|
/* Free all memory associated with a struct qemud_vm object */
|
|
void qemudFreeVM(struct qemud_vm *vm) {
|
|
struct qemud_vm_disk_def *disk = vm->def.disks;
|
|
struct qemud_vm_net_def *net = vm->def.nets;
|
|
|
|
while (disk) {
|
|
struct qemud_vm_disk_def *prev = disk;
|
|
disk = disk->next;
|
|
free(prev);
|
|
}
|
|
while (net) {
|
|
struct qemud_vm_net_def *prev = net;
|
|
net = net->next;
|
|
free(prev);
|
|
}
|
|
|
|
free(vm);
|
|
}
|
|
|
|
/* Build up a fully qualified path for a config file to be
|
|
* associated with a persistent guest */
|
|
static
|
|
int qemudMakeConfigPath(struct qemud_server *server,
|
|
const char *name,
|
|
const char *ext,
|
|
char *buf,
|
|
unsigned int buflen) {
|
|
if ((strlen(server->configDir) + 1 + strlen(name) + (ext ? strlen(ext) : 0) + 1) > buflen)
|
|
return -1;
|
|
|
|
strcpy(buf, server->configDir);
|
|
strcat(buf, "/");
|
|
strcat(buf, name);
|
|
if (ext)
|
|
strcat(buf, ext);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* Save a guest's config data into a persistent file */
|
|
static int qemudSaveConfig(struct qemud_server *server,
|
|
struct qemud_vm *vm) {
|
|
char *xml;
|
|
int fd = -1, ret = -1;
|
|
int towrite;
|
|
struct stat sb;
|
|
|
|
if (!(xml = qemudGenerateXML(server, vm))) {
|
|
return -1;
|
|
}
|
|
|
|
if (stat(server->configDir, &sb) < 0) {
|
|
if (errno == ENOENT) {
|
|
if (mkdir(server->configDir, 0700) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot create config directory %s",
|
|
server->configDir);
|
|
return -1;
|
|
}
|
|
} else {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot stat config directory %s",
|
|
server->configDir);
|
|
return -1;
|
|
}
|
|
} else if (!S_ISDIR(sb.st_mode)) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"config directory %s is not a directory",
|
|
server->configDir);
|
|
return -1;
|
|
}
|
|
|
|
if ((fd = open(vm->configFile,
|
|
O_WRONLY | O_CREAT | O_TRUNC,
|
|
S_IRUSR | S_IWUSR )) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot create config file %s",
|
|
vm->configFile);
|
|
goto cleanup;
|
|
}
|
|
|
|
towrite = strlen(xml);
|
|
if (write(fd, xml, towrite) != towrite) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot write config file %s",
|
|
vm->configFile);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (close(fd) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot save config file %s",
|
|
vm->configFile);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
if (fd != -1)
|
|
close(fd);
|
|
|
|
free(xml);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* Create a qemud_vm instance, populating it based on the data
|
|
* in a libvirt XML document describing the guest */
|
|
struct qemud_vm *qemudLoadConfigXML(struct qemud_server *server,
|
|
const char *file,
|
|
const char *doc,
|
|
int save) {
|
|
struct qemud_vm *vm = NULL;
|
|
xmlDocPtr xml;
|
|
|
|
if (!(xml = xmlReadDoc(BAD_CAST doc, file ? file : "domain.xml", NULL,
|
|
XML_PARSE_NOENT | XML_PARSE_NONET |
|
|
XML_PARSE_NOERROR | XML_PARSE_NOWARNING))) {
|
|
qemudReportError(server, VIR_ERR_XML_ERROR, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(vm = calloc(1, sizeof(struct qemud_vm)))) {
|
|
qemudReportError(server, VIR_ERR_NO_MEMORY, "vm");
|
|
return NULL;
|
|
}
|
|
|
|
vm->stdout = -1;
|
|
vm->stderr = -1;
|
|
vm->monitor = -1;
|
|
vm->pid = -1;
|
|
vm->def.id = -1;
|
|
|
|
if (qemudParseXML(server, xml, vm) < 0) {
|
|
xmlFreeDoc(xml);
|
|
qemudFreeVM(vm);
|
|
return NULL;
|
|
}
|
|
xmlFreeDoc(xml);
|
|
|
|
if (qemudFindVMByUUID(server, vm->def.uuid)) {
|
|
qemudReportError(server, VIR_ERR_DOM_EXIST, vm->def.name);
|
|
qemudFreeVM(vm);
|
|
return NULL;
|
|
}
|
|
|
|
if (qemudFindVMByName(server, vm->def.name)) {
|
|
qemudReportError(server, VIR_ERR_DOM_EXIST, vm->def.name);
|
|
qemudFreeVM(vm);
|
|
return NULL;
|
|
}
|
|
|
|
if (file) {
|
|
strncpy(vm->configFile, file, PATH_MAX);
|
|
vm->configFile[PATH_MAX-1] = '\0';
|
|
} else {
|
|
if (save) {
|
|
if (qemudMakeConfigPath(server, vm->def.name, ".xml", vm->configFile, PATH_MAX) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot construct config file path");
|
|
qemudFreeVM(vm);
|
|
return NULL;
|
|
}
|
|
|
|
if (qemudSaveConfig(server, vm) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
|
|
"cannot save config file for guest");
|
|
qemudFreeVM(vm);
|
|
return NULL;
|
|
}
|
|
} else {
|
|
vm->configFile[0] = '\0';
|
|
}
|
|
}
|
|
|
|
return vm;
|
|
}
|
|
|
|
|
|
/* Load a guest from its persistent config file */
|
|
static void qemudLoadConfig(struct qemud_server *server,
|
|
const char *file) {
|
|
FILE *fh;
|
|
struct stat st;
|
|
struct qemud_vm *vm;
|
|
char xml[QEMUD_MAX_XML_LEN];
|
|
int ret;
|
|
|
|
if (!(fh = fopen(file, "r"))) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "cannot open guest config file %s", file);
|
|
return;
|
|
}
|
|
|
|
if (fstat(fileno(fh), &st) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "cannot stat config file %s", file);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (st.st_size >= QEMUD_MAX_XML_LEN) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "guest config too large in file %s", file);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((ret = fread(xml, st.st_size, 1, fh)) != 1) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "cannot read config file %s", file);
|
|
goto cleanup;
|
|
}
|
|
xml[st.st_size] = '\0';
|
|
|
|
if ((vm = qemudLoadConfigXML(server, file, xml, 1))) {
|
|
vm->next = server->inactivevms;
|
|
server->inactivevms = vm;
|
|
server->ninactivevms++;
|
|
}
|
|
|
|
cleanup:
|
|
fclose(fh);
|
|
}
|
|
|
|
|
|
/* Scan for all guest config files */
|
|
int qemudScanConfigs(struct qemud_server *server) {
|
|
DIR *dir;
|
|
struct dirent *entry;
|
|
|
|
if (!(dir = opendir(server->configDir))) {
|
|
if (errno == ENOENT)
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
while ((entry = readdir(dir))) {
|
|
char file[PATH_MAX];
|
|
if (entry->d_name[0] == '.')
|
|
continue;
|
|
|
|
if (qemudMakeConfigPath(server, entry->d_name, NULL, file, PATH_MAX) < 0)
|
|
continue;
|
|
|
|
qemudLoadConfig(server, file);
|
|
}
|
|
|
|
closedir(dir);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* Simple grow-on-demand string buffer */
|
|
/* XXX re-factor to shared library */
|
|
struct qemudBuffer {
|
|
char *data;
|
|
int len;
|
|
int used;
|
|
};
|
|
|
|
static
|
|
int qemudBufferAdd(struct qemudBuffer *buf, const char *str) {
|
|
int need = strlen(str);
|
|
|
|
if ((need+1) > (buf->len-buf->used)) {
|
|
return -1;
|
|
}
|
|
|
|
memcpy(buf->data + buf->used, str, need+1);
|
|
buf->used += need;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static
|
|
int qemudBufferPrintf(struct qemudBuffer *buf,
|
|
const char *format, ...) {
|
|
int size, count;
|
|
va_list locarg, argptr;
|
|
|
|
if ((format == NULL) || (buf == NULL)) {
|
|
return -1;
|
|
}
|
|
size = buf->len - buf->used - 1;
|
|
va_start(argptr, format);
|
|
va_copy(locarg, argptr);
|
|
|
|
if ((count = vsnprintf(&buf->data[buf->used],
|
|
size,
|
|
format,
|
|
locarg)) >= size) {
|
|
return -1;
|
|
}
|
|
va_end(locarg);
|
|
buf->used += count;
|
|
|
|
buf->data[buf->used] = '\0';
|
|
return 0;
|
|
}
|
|
|
|
/* Generate an XML document describing the guest's configuration */
|
|
char *qemudGenerateXML(struct qemud_server *server, struct qemud_vm *vm) {
|
|
struct qemudBuffer buf;
|
|
unsigned char *uuid;
|
|
struct qemud_vm_disk_def *disk;
|
|
struct qemud_vm_net_def *net;
|
|
const char *type = NULL;
|
|
int n;
|
|
|
|
buf.len = QEMUD_MAX_XML_LEN;
|
|
buf.used = 0;
|
|
buf.data = malloc(buf.len);
|
|
|
|
switch (vm->def.virtType) {
|
|
case QEMUD_VIRT_QEMU:
|
|
type = "qemu";
|
|
break;
|
|
case QEMUD_VIRT_KQEMU:
|
|
type = "kqemu";
|
|
break;
|
|
case QEMUD_VIRT_KVM:
|
|
type = "kvm";
|
|
break;
|
|
}
|
|
if (!type) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "unexpected domain type %d", vm->def.virtType);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (vm->def.id >= 0) {
|
|
if (qemudBufferPrintf(&buf, "<domain type='%s' id='%d'>\n", type, vm->def.id) < 0)
|
|
goto no_memory;
|
|
} else {
|
|
if (qemudBufferPrintf(&buf, "<domain type='%s'>\n", type) < 0)
|
|
goto no_memory;
|
|
}
|
|
|
|
if (qemudBufferPrintf(&buf, " <name>%s</name>\n", vm->def.name) < 0)
|
|
goto no_memory;
|
|
|
|
uuid = vm->def.uuid;
|
|
if (qemudBufferPrintf(&buf, " <uuid>%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x</uuid>\n",
|
|
uuid[0], uuid[1], uuid[2], uuid[3],
|
|
uuid[4], uuid[5], uuid[6], uuid[7],
|
|
uuid[8], uuid[9], uuid[10], uuid[11],
|
|
uuid[12], uuid[13], uuid[14], uuid[15]) < 0)
|
|
goto no_memory;
|
|
if (qemudBufferPrintf(&buf, " <memory>%d</memory>\n", vm->def.maxmem) < 0)
|
|
goto no_memory;
|
|
if (qemudBufferPrintf(&buf, " <currentMemory>%d</currentMemory>\n", vm->def.memory) < 0)
|
|
goto no_memory;
|
|
if (qemudBufferPrintf(&buf, " <vcpu>%d</vcpu>\n", vm->def.vcpus) < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferAdd(&buf, " <os>\n") < 0)
|
|
goto no_memory;
|
|
|
|
if (vm->def.virtType == QEMUD_VIRT_QEMU) {
|
|
if (qemudBufferPrintf(&buf, " <type arch='%s' machine='%s'>%s</type>\n",
|
|
vm->def.os.arch, vm->def.os.machine, vm->def.os.type) < 0)
|
|
goto no_memory;
|
|
} else {
|
|
if (qemudBufferPrintf(&buf, " <type>%s</type>\n", vm->def.os.type) < 0)
|
|
goto no_memory;
|
|
}
|
|
|
|
if (vm->def.os.kernel[0])
|
|
if (qemudBufferPrintf(&buf, " <kernel>%s</kernel>\n", vm->def.os.kernel) < 0)
|
|
goto no_memory;
|
|
if (vm->def.os.initrd[0])
|
|
if (qemudBufferPrintf(&buf, " <initrd>%s</initrd>\n", vm->def.os.initrd) < 0)
|
|
goto no_memory;
|
|
if (vm->def.os.cmdline[0])
|
|
if (qemudBufferPrintf(&buf, " <cmdline>%s</cmdline>\n", vm->def.os.cmdline) < 0)
|
|
goto no_memory;
|
|
|
|
if (vm->def.features & QEMUD_FEATURE_ACPI) {
|
|
if (qemudBufferAdd(&buf, " <features>\n") < 0)
|
|
goto no_memory;
|
|
if (qemudBufferAdd(&buf, " <acpi>\n") < 0)
|
|
goto no_memory;
|
|
if (qemudBufferAdd(&buf, " </features>\n") < 0)
|
|
goto no_memory;
|
|
}
|
|
|
|
|
|
for (n = 0 ; n < vm->def.os.nBootDevs ; n++) {
|
|
const char *boottype = "hd";
|
|
switch (vm->def.os.bootDevs[n]) {
|
|
case QEMUD_BOOT_FLOPPY:
|
|
boottype = "fd";
|
|
break;
|
|
case QEMUD_BOOT_DISK:
|
|
boottype = "hd";
|
|
break;
|
|
case QEMUD_BOOT_CDROM:
|
|
boottype = "cdrom";
|
|
break;
|
|
case QEMUD_BOOT_NET:
|
|
boottype = "net";
|
|
break;
|
|
}
|
|
if (qemudBufferPrintf(&buf, " <boot dev='%s'/>\n", boottype) < 0)
|
|
goto no_memory;
|
|
}
|
|
|
|
if (qemudBufferAdd(&buf, " </os>\n") < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferAdd(&buf, " <devices>\n") < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferPrintf(&buf, " <emulator>%s</emulator>\n", vm->def.os.binary) < 0)
|
|
goto no_memory;
|
|
|
|
disk = vm->def.disks;
|
|
while (disk) {
|
|
const char *types[] = {
|
|
"block",
|
|
"file",
|
|
};
|
|
const char *typeAttrs[] = {
|
|
"dev",
|
|
"file",
|
|
};
|
|
const char *devices[] = {
|
|
"disk",
|
|
"cdrom",
|
|
"floppy",
|
|
};
|
|
if (qemudBufferPrintf(&buf, " <disk type='%s' device='%s'>\n",
|
|
types[disk->type], devices[disk->device]) < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferPrintf(&buf, " <source %s='%s'/>\n", typeAttrs[disk->type], disk->src) < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferPrintf(&buf, " <target dev='%s'/>\n", disk->dst) < 0)
|
|
goto no_memory;
|
|
|
|
if (disk->readonly)
|
|
if (qemudBufferAdd(&buf, " <readonly/>\n") < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferPrintf(&buf, " </disk>\n") < 0)
|
|
goto no_memory;
|
|
|
|
disk = disk->next;
|
|
}
|
|
|
|
net = vm->def.nets;
|
|
disk = vm->def.disks;
|
|
while (disk) {
|
|
const char *types[] = {
|
|
"user",
|
|
"tap",
|
|
"server",
|
|
"client",
|
|
"mcast",
|
|
"vde",
|
|
};
|
|
if (qemudBufferPrintf(&buf, " <interface type='%s'>\n",
|
|
types[net->type]) < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferPrintf(&buf, " <mac address='%02x:%02x:%02x:%02x:%02x:%02x'/>\n",
|
|
net->mac[0], net->mac[1], net->mac[2],
|
|
net->mac[3], net->mac[4], net->mac[5]) < 0)
|
|
goto no_memory;
|
|
|
|
if (qemudBufferPrintf(&buf, " </interface>\n") < 0)
|
|
goto no_memory;
|
|
|
|
disk = disk->next;
|
|
}
|
|
|
|
if (vm->def.graphicsType == QEMUD_GRAPHICS_VNC) {
|
|
if (vm->def.vncPort) {
|
|
qemudBufferPrintf(&buf, " <graphics type='vnc' port='%d'/>\n",
|
|
vm->def.id == -1 ? vm->def.vncPort : vm->def.vncActivePort);
|
|
} else {
|
|
qemudBufferPrintf(&buf, " <graphics type='vnc'/>\n");
|
|
}
|
|
}
|
|
|
|
if (qemudBufferAdd(&buf, " </devices>\n") < 0)
|
|
goto no_memory;
|
|
|
|
|
|
if (qemudBufferAdd(&buf, "</domain>\n") < 0)
|
|
goto no_memory;
|
|
|
|
return buf.data;
|
|
|
|
no_memory:
|
|
qemudReportError(server, VIR_ERR_NO_MEMORY, "xml");
|
|
cleanup:
|
|
free(buf.data);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
int qemudDeleteConfigXML(struct qemud_server *server, struct qemud_vm *vm) {
|
|
if (!vm->configFile[0]) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "no config file for guest %s", vm->def.name);
|
|
return -1;
|
|
}
|
|
|
|
if (unlink(vm->configFile) < 0) {
|
|
qemudReportError(server, VIR_ERR_INTERNAL_ERROR, "cannot remove config for guest %s", vm->def.name);
|
|
return -1;
|
|
}
|
|
|
|
vm->configFile[0] = '\0';
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Local variables:
|
|
* indent-tabs-mode: nil
|
|
* c-indent-level: 4
|
|
* c-basic-offset: 4
|
|
* tab-width: 4
|
|
* End:
|
|
*/
|