예제 #1
0
/*
 * Convert an XM config record into a virDomainDef object.
 */
virDomainDefPtr
xenParseXM(virConfPtr conf,
           virCapsPtr caps,
           virDomainXMLOptionPtr xmlopt)
{
    virDomainDefPtr def = NULL;

    if (!(def = virDomainDefNew()))
        return NULL;

    def->virtType = VIR_DOMAIN_VIRT_XEN;
    def->id = -1;

    if (xenParseConfigCommon(conf, def, caps) < 0)
        goto cleanup;

    if (xenParseXMOS(conf, def) < 0)
         goto cleanup;

    if (xenParseXMDisk(conf, def) < 0)
         goto cleanup;

    if (xenParseXMInputDevs(conf, def) < 0)
         goto cleanup;

    if (virDomainDefPostParse(def, caps, VIR_DOMAIN_DEF_PARSE_ABI_UPDATE,
                              xmlopt) < 0)
        goto cleanup;

    return def;

 cleanup:
    virDomainDefFree(def);
    return NULL;
}
예제 #2
0
virDomainDefPtr
lxcParseConfigString(const char *config,
                     virCapsPtr caps,
                     virDomainXMLOptionPtr xmlopt)
{
    virDomainDefPtr vmdef = NULL;
    virConfPtr properties = NULL;
    virConfValuePtr value;

    if (!(properties = virConfReadMem(config, 0, VIR_CONF_FLAG_LXC_FORMAT)))
        return NULL;

    if (!(vmdef = virDomainDefNew()))
        goto error;

    if (virUUIDGenerate(vmdef->uuid) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("failed to generate uuid"));
        goto error;
    }

    vmdef->id = -1;
    virDomainDefSetMemoryTotal(vmdef, 64 * 1024);

    vmdef->onReboot = VIR_DOMAIN_LIFECYCLE_RESTART;
    vmdef->onCrash = VIR_DOMAIN_LIFECYCLE_CRASH_DESTROY;
    vmdef->onPoweroff = VIR_DOMAIN_LIFECYCLE_DESTROY;
    vmdef->virtType = VIR_DOMAIN_VIRT_LXC;

    /* Value not handled by the LXC driver, setting to
     * minimum required to make XML parsing pass */
    if (virDomainDefSetVcpusMax(vmdef, 1) < 0)
        goto error;

    if (virDomainDefSetVcpus(vmdef, 1) < 0)
        goto error;

    vmdef->nfss = 0;
    vmdef->os.type = VIR_DOMAIN_OSTYPE_EXE;

    if ((value = virConfGetValue(properties, "lxc.arch")) && value->str) {
        virArch arch = virArchFromString(value->str);
        if (arch == VIR_ARCH_NONE && STREQ(value->str, "x86"))
            arch = VIR_ARCH_I686;
        else if (arch == VIR_ARCH_NONE && STREQ(value->str, "amd64"))
            arch = VIR_ARCH_X86_64;
        vmdef->os.arch = arch;
    }

    if (VIR_STRDUP(vmdef->os.init, "/sbin/init") < 0)
        goto error;

    if (!(value = virConfGetValue(properties, "lxc.utsname")) ||
            !value->str || (VIR_STRDUP(vmdef->name, value->str) < 0))
        goto error;
    if (!vmdef->name && (VIR_STRDUP(vmdef->name, "unnamed") < 0))
        goto error;

    if (lxcSetRootfs(vmdef, properties) < 0)
        goto error;

    /* Look for fstab: we shouldn't have it */
    if (virConfGetValue(properties, "lxc.mount")) {
        virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
                       _("lxc.mount found, use lxc.mount.entry lines instead"));
        goto error;
    }

    /* Loop over lxc.mount.entry to add filesystem devices for them */
    if (virConfWalk(properties, lxcFstabWalkCallback, vmdef) < 0)
        goto error;

    /* Network configuration */
    if (lxcConvertNetworkSettings(vmdef, properties) < 0)
        goto error;

    /* Consoles */
    if (lxcCreateConsoles(vmdef, properties) < 0)
        goto error;

    /* lxc.id_map */
    if (virConfWalk(properties, lxcIdmapWalkCallback, vmdef) < 0)
        goto error;

    /* lxc.cgroup.memory.* */
    if (lxcSetMemTune(vmdef, properties) < 0)
        goto error;

    /* lxc.cgroup.cpu.* */
    if (lxcSetCpuTune(vmdef, properties) < 0)
        goto error;

    /* lxc.cgroup.cpuset.* */
    if (lxcSetCpusetTune(vmdef, properties) < 0)
        goto error;

    /* lxc.cgroup.blkio.* */
    if (lxcSetBlkioTune(vmdef, properties) < 0)
        goto error;

    /* lxc.cap.drop */
    lxcSetCapDrop(vmdef, properties);

    if (virDomainDefPostParse(vmdef, caps, VIR_DOMAIN_DEF_PARSE_ABI_UPDATE,
                              xmlopt) < 0)
        goto cleanup;

    goto cleanup;

 error:
    virDomainDefFree(vmdef);
    vmdef = NULL;

 cleanup:
    virConfFree(properties);

    return vmdef;
}