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Storage.java
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package com.cloud.storage;
import java.util.ArrayList;
import java.util.List;
public class Storage {
public static enum ImageFormat {
QCOW2(true, true, false, "qcow2"),
RAW(false, false, false, "raw"),
VHD(true, true, true, "vhd"),
ISO(false, false, false, "iso"),
OVA(true, true, true, "ova"),
VHDX(true, true, true, "vhdx"),
BAREMETAL(false, false, false, "BAREMETAL"),
TAR(false, false, false, "tar");
private final boolean thinProvisioned;
private final boolean supportSparse;
private final boolean supportSnapshot;
private final String fileExtension;
private ImageFormat(boolean thinProvisioned, boolean supportSparse, boolean supportSnapshot) {
this.thinProvisioned = thinProvisioned;
this.supportSparse = supportSparse;
this.supportSnapshot = supportSnapshot;
fileExtension = null;
}
private ImageFormat(boolean thinProvisioned, boolean supportSparse, boolean supportSnapshot, String fileExtension) {
this.thinProvisioned = thinProvisioned;
this.supportSparse = supportSparse;
this.supportSnapshot = supportSnapshot;
this.fileExtension = fileExtension;
}
public boolean isThinProvisioned() {
return thinProvisioned;
}
public boolean supportsSparse() {
return supportSparse;
}
public boolean supportSnapshot() {
return supportSnapshot;
}
public String getFileExtension() {
if (fileExtension == null)
return toString().toLowerCase();
return fileExtension;
}
}
public static enum FileSystem {
Unknown,
ext3,
ntfs,
fat,
fat32,
ext2,
ext4,
cdfs,
hpfs,
ufs,
hfs,
hfsp
}
public static enum TemplateType {
ROUTING, // Router template
SYSTEM, /* routing, system vm template */
BUILTIN, /* buildin template */
PERHOST, /* every host has this template, don't need to install it in secondary storage */
USER /* User supplied template/iso */
}
public static enum StoragePoolType {
Filesystem(false), // local directory
NetworkFilesystem(true), // NFS or CIFS
IscsiLUN(true), // shared LUN, with a clusterfs overlay
Iscsi(true), // for e.g., ZFS Comstar
ISO(false), // for iso image
LVM(false), // XenServer local LVM SR
CLVM(true),
RBD(true), // http://libvirt.org/storage.html#StorageBackendRBD
SharedMountPoint(true),
VMFS(true), // VMware VMFS storage
PreSetup(true), // for XenServer, Storage Pool is set up by customers.
EXT(false), // XenServer local EXT SR
OCFS2(true);
boolean shared;
StoragePoolType(boolean shared) {
this.shared = shared;
}
public boolean isShared() {
return shared;
}
}
public static List<StoragePoolType> getNonSharedStoragePoolTypes() {
List<StoragePoolType> nonSharedStoragePoolTypes = new ArrayList<StoragePoolType>();
for (StoragePoolType storagePoolType : StoragePoolType.values()) {
if (!storagePoolType.isShared()) {
nonSharedStoragePoolTypes.add(storagePoolType);
}
}
return nonSharedStoragePoolTypes;
}
public static enum StorageResourceType {
STORAGE_POOL, STORAGE_HOST, SECONDARY_STORAGE, LOCAL_SECONDARY_STORAGE
}
}