Ejemplo n.º 1
0
static int
parallelsFindVolumes(virStoragePoolObjPtr pool)
{
    DIR *dir;
    struct dirent *ent;
    char *path = NULL;
    int ret = -1;

    if (!(dir = opendir(pool->def->target.path))) {
        virReportSystemError(errno,
                             _("cannot open path '%s'"),
                             pool->def->target.path);
        return -1;
    }

    while ((ent = readdir(dir)) != NULL) {
        if (!virFileHasSuffix(ent->d_name, ".xml"))
            continue;

        if (!(path = virFileBuildPath(pool->def->target.path,
                                      ent->d_name, NULL)))
            goto cleanup;
        if (!parallelsStorageVolDefineXML(pool, NULL, path, false))
            goto cleanup;

        VIR_FREE(path);
    }

    ret = 0;
cleanup:
    VIR_FREE(path);
    closedir(dir);
    return ret;

}
Ejemplo n.º 2
0
static int
testSchemaDir(const char *schema,
              virXMLValidatorPtr validator,
              const char *dir_path)
{
    DIR *dir = NULL;
    struct dirent *ent;
    int ret = 0;
    int rc;
    char *test_name = NULL;
    char *xml_path = NULL;
    struct testSchemaData data = {
        .validator = validator,
    };

    if (virDirOpen(&dir, dir_path) < 0)
        return -1;

    while ((rc = virDirRead(dir, &ent, dir_path)) > 0) {
        if (!virFileHasSuffix(ent->d_name, ".xml"))
            continue;

        if (virAsprintf(&xml_path, "%s/%s", dir_path, ent->d_name) < 0)
            goto cleanup;

        if (virAsprintf(&test_name, "Checking %s against %s",
                        ent->d_name, schema) < 0)
            goto cleanup;

        data.xml_path = xml_path;
        if (virTestRun(test_name, testSchemaFile, &data) < 0)
            ret = -1;

        VIR_FREE(test_name);
        VIR_FREE(xml_path);
    }

    if (rc < 0)
        ret = -1;

 cleanup:
    VIR_FREE(test_name);
    VIR_FREE(xml_path);
    VIR_DIR_CLOSE(dir);
    return ret;
}
Ejemplo n.º 3
0
static int
testSchemaFile(const void *args)
{
    const struct testSchemaData *data = args;
    bool shouldFail = virFileHasSuffix(data->xml_path, "-invalid.xml");
    xmlDocPtr xml = NULL;
    int ret = -1;

    if (!(xml = virXMLParseFile(data->xml_path)))
        return -1;

    if (virXMLValidatorValidate(data->validator, xml) < 0) {
        if (!shouldFail)
            goto cleanup;
    } else {
        if (shouldFail)
            goto cleanup;
    }

    ret = 0;
 cleanup:
    xmlFreeDoc(xml);
    return ret;
}
Ejemplo n.º 4
0
int
vmwareVmxPath(virDomainDefPtr vmdef, char **vmxPath)
{
    virDomainDiskDefPtr disk = NULL;
    char *directoryName = NULL;
    char *fileName = NULL;
    int ret = -1;
    size_t i;

    /*
     * Build VMX URL. Use the source of the first file-based harddisk
     * to deduce the path for the VMX file. Don't just use the
     * first disk, because it may be CDROM disk and ISO images are normaly not
     * located in the virtual machine's directory. This approach
     * isn't perfect but should work in the majority of cases.
     */
    if (vmdef->ndisks < 1) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Domain XML doesn't contain any disks, "
                         "cannot deduce datastore and path for VMX file"));
        goto cleanup;
    }

    for (i = 0; i < vmdef->ndisks; ++i) {
        if (vmdef->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
            vmdef->disks[i]->type == VIR_DOMAIN_DISK_TYPE_FILE) {
            disk = vmdef->disks[i];
            break;
        }
    }

    if (disk == NULL) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Domain XML doesn't contain any file-based harddisks, "
                         "cannot deduce datastore and path for VMX file"));
        goto cleanup;
    }

    if (disk->src == NULL) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("First file-based harddisk has no source, cannot "
                         "deduce datastore and path for VMX file"));
        goto cleanup;
    }

    if (vmwareParsePath(disk->src, &directoryName, &fileName) < 0) {
        goto cleanup;
    }

    if (!virFileHasSuffix(fileName, ".vmdk")) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Expecting source '%s' of first file-based harddisk "
                         "to be a VMDK image"), disk->src);
        goto cleanup;
    }

    if (vmwareConstructVmxPath(directoryName, vmdef->name, vmxPath) < 0)
        goto cleanup;

    ret = 0;

  cleanup:
    VIR_FREE(directoryName);
    VIR_FREE(fileName);
    return ret;
}
Ejemplo n.º 5
0
static virStorageVolPtr
esxStorageVolCreateXML(virStoragePoolPtr pool,
                       const char *xmldesc,
                       unsigned int flags)
{
    virStorageVolPtr volume = NULL;
    esxPrivate *priv = pool->conn->privateData;
    virStoragePoolDef poolDef;
    virStorageVolDefPtr def = NULL;
    char *tmp;
    char *unescapedDatastorePath = NULL;
    char *unescapedDirectoryName = NULL;
    char *unescapedDirectoryAndFileName = NULL;
    char *directoryName = NULL;
    char *fileName = NULL;
    char *datastorePathWithoutFileName = NULL;
    char *datastorePath = NULL;
    esxVI_FileInfo *fileInfo = NULL;
    esxVI_FileBackedVirtualDiskSpec *virtualDiskSpec = NULL;
    esxVI_ManagedObjectReference *task = NULL;
    esxVI_TaskInfoState taskInfoState;
    char *taskInfoErrorMessage = NULL;
    char *uuid_string = NULL;
    char *key = NULL;

    virCheckFlags(0, NULL);

    memset(&poolDef, 0, sizeof(poolDef));

    if (esxLookupVMFSStoragePoolType(priv->primary, pool->name,
                                     &poolDef.type) < 0) {
        goto cleanup;
    }

    /* Parse config */
    def = virStorageVolDefParseString(&poolDef, xmldesc);

    if (!def)
        goto cleanup;

    if (def->type != VIR_STORAGE_VOL_FILE) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Creating non-file volumes is not supported"));
        goto cleanup;
    }

    /* Validate config */
    tmp = strrchr(def->name, '/');

    if (!tmp || *def->name == '/' || tmp[1] == '\0') {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Volume name '%s' doesn't have expected format "
                         "'<directory>/<file>'"), def->name);
        goto cleanup;
    }

    if (! virFileHasSuffix(def->name, ".vmdk")) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Volume name '%s' has unsupported suffix, "
                         "expecting '.vmdk'"), def->name);
        goto cleanup;
    }

    if (virAsprintf(&unescapedDatastorePath, "[%s] %s", pool->name,
                    def->name) < 0)
        goto cleanup;

    if (def->target.format == VIR_STORAGE_FILE_VMDK) {
        /* Parse and escape datastore path */
        if (esxUtil_ParseDatastorePath(unescapedDatastorePath, NULL,
                                       &unescapedDirectoryName,
                                       &unescapedDirectoryAndFileName) < 0) {
            goto cleanup;
        }

        directoryName = esxUtil_EscapeDatastoreItem(unescapedDirectoryName);

        if (!directoryName)
            goto cleanup;

        fileName = esxUtil_EscapeDatastoreItem(unescapedDirectoryAndFileName +
                                               strlen(unescapedDirectoryName) + 1);

        if (!fileName)
            goto cleanup;

        if (virAsprintf(&datastorePathWithoutFileName, "[%s] %s", pool->name,
                        directoryName) < 0)
            goto cleanup;

        if (virAsprintf(&datastorePath, "[%s] %s/%s", pool->name, directoryName,
                        fileName) < 0)
            goto cleanup;

        /* Create directory, if it doesn't exist yet */
        if (esxVI_LookupFileInfoByDatastorePath
              (priv->primary, datastorePathWithoutFileName, true, &fileInfo,
               esxVI_Occurrence_OptionalItem) < 0) {
            goto cleanup;
        }

        if (!fileInfo) {
            if (esxVI_MakeDirectory(priv->primary, datastorePathWithoutFileName,
                                    priv->primary->datacenter->_reference,
                                    esxVI_Boolean_True) < 0) {
                goto cleanup;
            }
        }

        /* Create VirtualDisk */
        if (esxVI_FileBackedVirtualDiskSpec_Alloc(&virtualDiskSpec) < 0 ||
            esxVI_Long_Alloc(&virtualDiskSpec->capacityKb) < 0) {
            goto cleanup;
        }

        /* From the vSphere API documentation about VirtualDiskType ... */
        if (def->target.allocation == def->target.capacity) {
            /*
             * "A preallocated disk has all space allocated at creation time
             *  and the space is zeroed on demand as the space is used."
             */
            virtualDiskSpec->diskType = (char *)"preallocated";
        } else if (def->target.allocation == 0) {
            /*
             * "Space required for thin-provisioned virtual disk is allocated
             *  and zeroed on demand as the space is used."
             */
            virtualDiskSpec->diskType = (char *)"thin";
        } else {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Unsupported capacity-to-allocation relation"));
            goto cleanup;
        }

        /*
         * FIXME: The adapter type is a required parameter, but there is no
         * way to let the user specify it in the volume XML config. Therefore,
         * default to 'busLogic' here.
         */
        virtualDiskSpec->adapterType = (char *)"busLogic";

        virtualDiskSpec->capacityKb->value =
          VIR_DIV_UP(def->target.capacity, 1024); /* Scale from byte to kilobyte */

        if (esxVI_CreateVirtualDisk_Task
              (priv->primary, datastorePath,
               priv->primary->datacenter->_reference,
               esxVI_VirtualDiskSpec_DynamicCast(virtualDiskSpec), &task) < 0 ||
            esxVI_WaitForTaskCompletion(priv->primary, task, NULL,
                                        esxVI_Occurrence_None,
                                        priv->parsedUri->autoAnswer,
                                        &taskInfoState,
                                        &taskInfoErrorMessage) < 0) {
            goto cleanup;
        }

        if (taskInfoState != esxVI_TaskInfoState_Success) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Could not create volume: %s"),
                           taskInfoErrorMessage);
            goto cleanup;
        }

        if (priv->primary->hasQueryVirtualDiskUuid) {
            if (VIR_ALLOC_N(key, VIR_UUID_STRING_BUFLEN) < 0)
                goto cleanup;

            if (esxVI_QueryVirtualDiskUuid(priv->primary, datastorePath,
                                           priv->primary->datacenter->_reference,
                                           &uuid_string) < 0) {
                goto cleanup;
            }

            if (esxUtil_ReformatUuid(uuid_string, key) < 0)
                goto cleanup;
        } else {
            /* Fall back to the path as key */
            if (VIR_STRDUP(key, datastorePath) < 0)
                goto cleanup;
        }
    } else {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Creation of %s volumes is not supported"),
                       virStorageFileFormatTypeToString(def->target.format));
        goto cleanup;
    }

    volume = virGetStorageVol(pool->conn, pool->name, def->name, key,
                              &esxStorageBackendVMFS, NULL);

 cleanup:
    if (virtualDiskSpec) {
        virtualDiskSpec->diskType = NULL;
        virtualDiskSpec->adapterType = NULL;
    }

    virStorageVolDefFree(def);
    VIR_FREE(unescapedDatastorePath);
    VIR_FREE(unescapedDirectoryName);
    VIR_FREE(unescapedDirectoryAndFileName);
    VIR_FREE(directoryName);
    VIR_FREE(fileName);
    VIR_FREE(datastorePathWithoutFileName);
    VIR_FREE(datastorePath);
    esxVI_FileInfo_Free(&fileInfo);
    esxVI_FileBackedVirtualDiskSpec_Free(&virtualDiskSpec);
    esxVI_ManagedObjectReference_Free(&task);
    VIR_FREE(taskInfoErrorMessage);
    VIR_FREE(uuid_string);
    VIR_FREE(key);

    return volume;
}
Ejemplo n.º 6
0
static virStorageVolPtr
esxStorageVolCreateXMLFrom(virStoragePoolPtr pool,
                           const char *xmldesc,
                           virStorageVolPtr sourceVolume,
                           unsigned int flags)
{
    virStorageVolPtr volume = NULL;
    esxPrivate *priv = pool->conn->privateData;
    virStoragePoolDef poolDef;
    char *sourceDatastorePath = NULL;
    virStorageVolDefPtr def = NULL;
    char *tmp;
    char *unescapedDatastorePath = NULL;
    char *unescapedDirectoryName = NULL;
    char *unescapedDirectoryAndFileName = NULL;
    char *directoryName = NULL;
    char *fileName = NULL;
    char *datastorePathWithoutFileName = NULL;
    char *datastorePath = NULL;
    esxVI_FileInfo *fileInfo = NULL;
    esxVI_ManagedObjectReference *task = NULL;
    esxVI_TaskInfoState taskInfoState;
    char *taskInfoErrorMessage = NULL;
    char *uuid_string = NULL;
    char *key = NULL;

    virCheckFlags(0, NULL);

    memset(&poolDef, 0, sizeof(poolDef));

    if (esxLookupVMFSStoragePoolType(priv->primary, pool->name,
                                     &poolDef.type) < 0) {
        goto cleanup;
    }

    if (virAsprintf(&sourceDatastorePath, "[%s] %s", sourceVolume->pool,
                    sourceVolume->name) < 0)
        goto cleanup;

    /* Parse config */
    def = virStorageVolDefParseString(&poolDef, xmldesc);

    if (!def)
        goto cleanup;

    if (def->type != VIR_STORAGE_VOL_FILE) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Creating non-file volumes is not supported"));
        goto cleanup;
    }

    /* Validate config */
    tmp = strrchr(def->name, '/');

    if (!tmp || *def->name == '/' || tmp[1] == '\0') {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Volume name '%s' doesn't have expected format "
                         "'<directory>/<file>'"), def->name);
        goto cleanup;
    }

    if (! virFileHasSuffix(def->name, ".vmdk")) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Volume name '%s' has unsupported suffix, "
                         "expecting '.vmdk'"), def->name);
        goto cleanup;
    }

    if (virAsprintf(&unescapedDatastorePath, "[%s] %s", pool->name,
                    def->name) < 0)
        goto cleanup;

    if (def->target.format == VIR_STORAGE_FILE_VMDK) {
        /* Parse and escape datastore path */
        if (esxUtil_ParseDatastorePath(unescapedDatastorePath, NULL,
                                       &unescapedDirectoryName,
                                       &unescapedDirectoryAndFileName) < 0) {
            goto cleanup;
        }

        directoryName = esxUtil_EscapeDatastoreItem(unescapedDirectoryName);

        if (!directoryName)
            goto cleanup;

        fileName = esxUtil_EscapeDatastoreItem(unescapedDirectoryAndFileName +
                                               strlen(unescapedDirectoryName) + 1);

        if (!fileName)
            goto cleanup;

        if (virAsprintf(&datastorePathWithoutFileName, "[%s] %s", pool->name,
                        directoryName) < 0)
            goto cleanup;

        if (virAsprintf(&datastorePath, "[%s] %s/%s", pool->name, directoryName,
                        fileName) < 0)
            goto cleanup;

        /* Create directory, if it doesn't exist yet */
        if (esxVI_LookupFileInfoByDatastorePath
              (priv->primary, datastorePathWithoutFileName, true, &fileInfo,
               esxVI_Occurrence_OptionalItem) < 0) {
            goto cleanup;
        }

        if (!fileInfo) {
            if (esxVI_MakeDirectory(priv->primary, datastorePathWithoutFileName,
                                    priv->primary->datacenter->_reference,
                                    esxVI_Boolean_True) < 0) {
                goto cleanup;
            }
        }

        /* Copy VirtualDisk */
        if (esxVI_CopyVirtualDisk_Task(priv->primary, sourceDatastorePath,
                                       priv->primary->datacenter->_reference,
                                       datastorePath,
                                       priv->primary->datacenter->_reference,
                                       NULL, esxVI_Boolean_False, &task) < 0 ||
            esxVI_WaitForTaskCompletion(priv->primary, task, NULL,
                                        esxVI_Occurrence_None,
                                        priv->parsedUri->autoAnswer,
                                        &taskInfoState,
                                        &taskInfoErrorMessage) < 0) {
            goto cleanup;
        }

        if (taskInfoState != esxVI_TaskInfoState_Success) {
            virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not copy volume: %s"),
                           taskInfoErrorMessage);
            goto cleanup;
        }

        if (priv->primary->hasQueryVirtualDiskUuid) {
            if (VIR_ALLOC_N(key, VIR_UUID_STRING_BUFLEN) < 0)
                goto cleanup;

            if (esxVI_QueryVirtualDiskUuid(priv->primary, datastorePath,
                                           priv->primary->datacenter->_reference,
                                           &uuid_string) < 0) {
                goto cleanup;
            }

            if (esxUtil_ReformatUuid(uuid_string, key) < 0)
                goto cleanup;
        } else {
            /* Fall back to the path as key */
            if (VIR_STRDUP(key, datastorePath) < 0)
                goto cleanup;
        }
    } else {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Creation of %s volumes is not supported"),
                       virStorageFileFormatTypeToString(def->target.format));
        goto cleanup;
    }

    volume = virGetStorageVol(pool->conn, pool->name, def->name, key,
                              &esxStorageBackendVMFS, NULL);

 cleanup:
    VIR_FREE(sourceDatastorePath);
    virStorageVolDefFree(def);
    VIR_FREE(unescapedDatastorePath);
    VIR_FREE(unescapedDirectoryName);
    VIR_FREE(unescapedDirectoryAndFileName);
    VIR_FREE(directoryName);
    VIR_FREE(fileName);
    VIR_FREE(datastorePathWithoutFileName);
    VIR_FREE(datastorePath);
    esxVI_FileInfo_Free(&fileInfo);
    esxVI_ManagedObjectReference_Free(&task);
    VIR_FREE(taskInfoErrorMessage);
    VIR_FREE(uuid_string);
    VIR_FREE(key);

    return volume;
}
Ejemplo n.º 7
0
/**
 * Probe the header of a file to determine what type of disk image
 * it is, and info about its capacity if available.
 */
int
virStorageFileGetMetadataFromFD(const char *path,
                                int fd,
                                virStorageFileMetadata *meta)
{
    unsigned char head[20*512]; /* vmdk4GetBackingStore needs this much. */
    int len, i;

    memset(meta, 0, sizeof (*meta));

    /* If all else fails, call it a raw file */
    meta->format = VIR_STORAGE_FILE_RAW;

    if ((len = read(fd, head, sizeof(head))) < 0) {
        virReportSystemError(errno, _("cannot read header '%s'"), path);
        return -1;
    }

    /* First check file magic */
    for (i = 0 ; i < ARRAY_CARDINALITY(fileTypeInfo) ; i++) {
        int mlen;

        if (fileTypeInfo[i].magic == NULL)
            continue;

        /* Validate magic data */
        mlen = strlen(fileTypeInfo[i].magic);
        if (mlen > len)
            continue;
        if (memcmp(head, fileTypeInfo[i].magic, mlen) != 0)
            continue;

        /* Validate version number info */
        if (fileTypeInfo[i].versionNumber != -1) {
            int version;

            if (fileTypeInfo[i].endian == LV_LITTLE_ENDIAN) {
                version = (head[fileTypeInfo[i].versionOffset+3] << 24) |
                    (head[fileTypeInfo[i].versionOffset+2] << 16) |
                    (head[fileTypeInfo[i].versionOffset+1] << 8) |
                    head[fileTypeInfo[i].versionOffset];
            } else {
                version = (head[fileTypeInfo[i].versionOffset] << 24) |
                    (head[fileTypeInfo[i].versionOffset+1] << 16) |
                    (head[fileTypeInfo[i].versionOffset+2] << 8) |
                    head[fileTypeInfo[i].versionOffset+3];
            }
            if (version != fileTypeInfo[i].versionNumber)
                continue;
        }

        /* Optionally extract capacity from file */
        if (fileTypeInfo[i].sizeOffset != -1) {
            if (fileTypeInfo[i].endian == LV_LITTLE_ENDIAN) {
                meta->capacity =
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+7] << 56) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+6] << 48) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+5] << 40) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+4] << 32) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+3] << 24) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+2] << 16) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+1] << 8) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset]);
            } else {
                meta->capacity =
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset] << 56) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+1] << 48) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+2] << 40) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+3] << 32) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+4] << 24) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+5] << 16) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+6] << 8) |
                    ((unsigned long long)head[fileTypeInfo[i].sizeOffset+7]);
            }
            /* Avoid unlikely, but theoretically possible overflow */
            if (meta->capacity > (ULLONG_MAX / fileTypeInfo[i].sizeMultiplier))
                continue;
            meta->capacity *= fileTypeInfo[i].sizeMultiplier;
        }

        if (fileTypeInfo[i].qcowCryptOffset != -1) {
            int crypt_format;

            crypt_format = (head[fileTypeInfo[i].qcowCryptOffset] << 24) |
                (head[fileTypeInfo[i].qcowCryptOffset+1] << 16) |
                (head[fileTypeInfo[i].qcowCryptOffset+2] << 8) |
                head[fileTypeInfo[i].qcowCryptOffset+3];
            meta->encrypted = crypt_format != 0;
        }

        /* Validation passed, we know the file format now */
        meta->format = fileTypeInfo[i].type;
        if (fileTypeInfo[i].getBackingStore != NULL) {
            char *base;

            switch (fileTypeInfo[i].getBackingStore(&base, head, len)) {
            case BACKING_STORE_OK:
                break;

            case BACKING_STORE_INVALID:
                continue;

            case BACKING_STORE_ERROR:
                return -1;
            }
            if (base != NULL) {
                meta->backingStore = absolutePathFromBaseFile(path, base);
                VIR_FREE(base);
                if (meta->backingStore == NULL) {
                    virReportOOMError();
                    return -1;
                }
            }
        }
        return 0;
    }

    /* No magic, so check file extension */
    for (i = 0 ; i < ARRAY_CARDINALITY(fileTypeInfo) ; i++) {
        if (fileTypeInfo[i].extension == NULL)
            continue;

        if (!virFileHasSuffix(path, fileTypeInfo[i].extension))
            continue;

        meta->format = fileTypeInfo[i].type;
        return 0;
    }

    return 0;
}