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public_archive_info.go
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/
public_archive_info.go
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// Copyright 2016-2022 The Libsacloud Authors
//
// Licensed 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 query
import (
"context"
"errors"
"strings"
"github.com/sacloud/libsacloud/v2/sacloud"
"github.com/sacloud/libsacloud/v2/sacloud/types"
)
var (
// allowDiskEditTags ディスクの編集可否判定に用いるタグ
allowDiskEditTags = []string{
"os-unix",
"os-linux",
}
// bundleInfoWindowsHostClass ディスクの編集可否判定に用いる、BundleInfoでのWindows判定文字列
bundleInfoWindowsHostClass = "ms_windows"
)
func isSophosUTM(archive *sacloud.Archive) bool {
// SophosUTMであれば編集不可
if archive.BundleInfo != nil && strings.Contains(strings.ToLower(archive.BundleInfo.ServiceClass), "sophosutm") {
return true
}
return false
}
// CanEditDisk ディスクの修正が可能か判定
func CanEditDisk(ctx context.Context, zone string, reader *ArchiveSourceReader, id types.ID) (bool, error) {
archive, err := getPublicArchiveFromAncestors(ctx, zone, reader, id)
if err != nil {
return false, err
}
return archive != nil, nil
}
// GetPublicArchiveIDFromAncestors ソースアーカイブ/ディスクを辿りパブリックアーカイブのIDを検索
func GetPublicArchiveIDFromAncestors(ctx context.Context, zone string, reader *ArchiveSourceReader, id types.ID) (types.ID, error) {
archive, err := getPublicArchiveFromAncestors(ctx, zone, reader, id)
if err != nil {
return 0, err
}
if archive == nil {
return 0, nil
}
return archive.ID, nil
}
func getPublicArchiveFromAncestors(ctx context.Context, zone string, reader *ArchiveSourceReader, id types.ID) (*sacloud.Archive, error) {
disk, err := reader.DiskReader.Read(ctx, zone, id)
if err != nil {
if !sacloud.IsNotFoundError(err) {
return nil, err
}
}
if disk != nil {
// 無限ループ予防
if disk.ID == disk.SourceDiskID || disk.ID == disk.SourceArchiveID {
return nil, errors.New("invalid state: disk has invalid ID or SourceDiskID or SourceArchiveID")
}
if disk.SourceDiskID.IsEmpty() && disk.SourceArchiveID.IsEmpty() {
return nil, nil
}
if !disk.SourceDiskID.IsEmpty() {
return getPublicArchiveFromAncestors(ctx, zone, reader, disk.SourceDiskID)
}
if !disk.SourceArchiveID.IsEmpty() {
id = disk.SourceArchiveID
}
}
archive, err := reader.ArchiveReader.Read(ctx, zone, id)
if err != nil {
return nil, err
}
// 無限ループ予防
if archive.ID == archive.SourceDiskID || archive.ID == archive.SourceArchiveID {
return nil, errors.New("invalid state: archive has invalid ID or SourceDiskID or SourceArchiveID")
}
// BundleInfoがあれば編集不可
if archive.BundleInfo != nil && archive.BundleInfo.HostClass == bundleInfoWindowsHostClass {
// Windows
return nil, nil
}
// SophosUTMであれば編集不可
if archive.HasTag("pkg-sophosutm") || isSophosUTM(archive) {
return nil, nil
}
// OPNsenseであれば編集不可
if archive.HasTag("distro-opnsense") {
return nil, nil
}
// Netwiser VEであれば編集不可
if archive.HasTag("pkg-netwiserve") {
return nil, nil
}
// Juniper vSRXであれば編集不可
if archive.HasTag("pkg-vsrx") {
return nil, nil
}
for _, t := range allowDiskEditTags {
if archive.HasTag(t) {
// 対応OSインストール済みディスク
return archive, nil
}
}
// ここまできても判定できないならソースに投げる
if !archive.SourceDiskID.IsEmpty() && archive.SourceDiskAvailability != types.Availabilities.Discontinued {
return getPublicArchiveFromAncestors(ctx, zone, reader, archive.SourceDiskID)
}
if !archive.SourceArchiveID.IsEmpty() && archive.SourceArchiveAvailability != types.Availabilities.Discontinued {
return getPublicArchiveFromAncestors(ctx, zone, reader, archive.SourceArchiveID)
}
return nil, nil
}