| Line |
Branch |
Exec |
Source |
| 1 |
|
|
/** |
| 2 |
|
|
* This file is part of the CernVM File System. |
| 3 |
|
|
*/ |
| 4 |
|
|
|
| 5 |
|
|
#include "swissknife_reflog.h" |
| 6 |
|
|
|
| 7 |
|
|
#include <cassert> |
| 8 |
|
|
#include <string> |
| 9 |
|
|
#include <vector> |
| 10 |
|
|
|
| 11 |
|
|
#include "manifest.h" |
| 12 |
|
|
#include "object_fetcher.h" |
| 13 |
|
|
#include "upload_facility.h" |
| 14 |
|
|
#include "util/exception.h" |
| 15 |
|
|
|
| 16 |
|
|
namespace swissknife { |
| 17 |
|
|
|
| 18 |
|
|
typedef HttpObjectFetcher<> ObjectFetcher; |
| 19 |
|
|
|
| 20 |
|
|
class RootChainWalker { |
| 21 |
|
|
public: |
| 22 |
|
|
typedef ObjectFetcher::CatalogTN CatalogTN; |
| 23 |
|
|
typedef ObjectFetcher::HistoryTN HistoryTN; |
| 24 |
|
|
|
| 25 |
|
|
public: |
| 26 |
|
✗ |
RootChainWalker(const manifest::Manifest *manifest, |
| 27 |
|
|
ObjectFetcher *object_fetcher, |
| 28 |
|
|
manifest::Reflog *reflog) |
| 29 |
|
✗ |
: object_fetcher_(object_fetcher) |
| 30 |
|
✗ |
, reflog_(reflog) |
| 31 |
|
✗ |
, manifest_(manifest) { } |
| 32 |
|
|
|
| 33 |
|
|
void FindObjectsAndPopulateReflog(); |
| 34 |
|
|
|
| 35 |
|
|
protected: |
| 36 |
|
|
typedef std::vector<shash::Any> CatalogList; |
| 37 |
|
|
|
| 38 |
|
|
protected: |
| 39 |
|
|
CatalogTN *FetchCatalog(const shash::Any catalog_hash); |
| 40 |
|
|
HistoryTN *FetchHistory(const shash::Any history_hash); |
| 41 |
|
|
|
| 42 |
|
|
void WalkRootCatalogs(const shash::Any &root_catalog_hash); |
| 43 |
|
|
void WalkHistories(const shash::Any &history_hash); |
| 44 |
|
|
|
| 45 |
|
|
bool WalkCatalogsInHistory(const HistoryTN *history); |
| 46 |
|
|
void WalkListedCatalogs(const CatalogList &catalog_list); |
| 47 |
|
|
|
| 48 |
|
|
template<class DatabaseT> |
| 49 |
|
|
DatabaseT *ReturnOrAbort(const ObjectFetcherFailures::Failures failure, |
| 50 |
|
|
const shash::Any &content_hash, |
| 51 |
|
|
DatabaseT *database); |
| 52 |
|
|
|
| 53 |
|
|
private: |
| 54 |
|
|
ObjectFetcher *object_fetcher_; |
| 55 |
|
|
manifest::Reflog *reflog_; |
| 56 |
|
|
const manifest::Manifest *manifest_; |
| 57 |
|
|
}; |
| 58 |
|
|
|
| 59 |
|
|
|
| 60 |
|
✗ |
ParameterList CommandReconstructReflog::GetParams() const { |
| 61 |
|
✗ |
ParameterList r; |
| 62 |
|
✗ |
r.push_back(Parameter::Mandatory('r', "repository url")); |
| 63 |
|
✗ |
r.push_back(Parameter::Mandatory('u', "spooler definition string")); |
| 64 |
|
✗ |
r.push_back(Parameter::Mandatory('n', "fully qualified repository name")); |
| 65 |
|
✗ |
r.push_back(Parameter::Mandatory('t', "temporary directory")); |
| 66 |
|
✗ |
r.push_back(Parameter::Mandatory('k', "repository keychain")); |
| 67 |
|
✗ |
r.push_back(Parameter::Mandatory('R', "path to reflog.chksum file")); |
| 68 |
|
✗ |
r.push_back(Parameter::Optional('@', "proxy url")); |
| 69 |
|
✗ |
return r; |
| 70 |
|
|
} |
| 71 |
|
|
|
| 72 |
|
|
|
| 73 |
|
✗ |
int CommandReconstructReflog::Main(const ArgumentList &args) { |
| 74 |
|
✗ |
const std::string &repo_url = *args.find('r')->second; |
| 75 |
|
✗ |
const std::string &spooler = *args.find('u')->second; |
| 76 |
|
✗ |
const std::string &repo_name = *args.find('n')->second; |
| 77 |
|
✗ |
const std::string &tmp_dir = *args.find('t')->second; |
| 78 |
|
✗ |
const std::string &repo_keys = *args.find('k')->second; |
| 79 |
|
✗ |
const std::string &reflog_chksum_path = *args.find('R')->second; |
| 80 |
|
|
|
| 81 |
|
✗ |
const bool follow_redirects = false; |
| 82 |
|
✗ |
const std::string proxy = ((args.count('@') > 0) ? *args.find('@')->second |
| 83 |
|
✗ |
: ""); |
| 84 |
|
✗ |
if (!this->InitDownloadManager(follow_redirects, proxy) |
| 85 |
|
✗ |
|| !this->InitSignatureManager(repo_keys)) { |
| 86 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStderr, "failed to init repo connection"); |
| 87 |
|
✗ |
return 1; |
| 88 |
|
|
} |
| 89 |
|
|
|
| 90 |
|
|
ObjectFetcher object_fetcher(repo_name, repo_url, tmp_dir, download_manager(), |
| 91 |
|
✗ |
signature_manager()); |
| 92 |
|
|
|
| 93 |
|
✗ |
std::unique_ptr<manifest::Manifest> manifest; |
| 94 |
|
✗ |
const ObjectFetcher::Failures retval = object_fetcher.FetchManifest( |
| 95 |
|
|
&manifest); |
| 96 |
|
✗ |
if (retval != ObjectFetcher::kFailOk) { |
| 97 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStderr, |
| 98 |
|
|
"failed to load repository manifest " |
| 99 |
|
|
"(%d - %s)", |
| 100 |
|
|
retval, Code2Ascii(retval)); |
| 101 |
|
✗ |
return 1; |
| 102 |
|
|
} |
| 103 |
|
|
|
| 104 |
|
✗ |
const upload::SpoolerDefinition spooler_definition(spooler, shash::kAny); |
| 105 |
|
|
const std::unique_ptr<upload::AbstractUploader> uploader( |
| 106 |
|
✗ |
upload::AbstractUploader::Construct(spooler_definition)); |
| 107 |
|
|
|
| 108 |
|
✗ |
if (uploader.get() == nullptr) { |
| 109 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStderr, "failed to initialize spooler for '%s'", |
| 110 |
|
|
spooler.c_str()); |
| 111 |
|
✗ |
return 1; |
| 112 |
|
|
} |
| 113 |
|
|
|
| 114 |
|
|
std::unique_ptr<manifest::Reflog> reflog( |
| 115 |
|
✗ |
CreateEmptyReflog(tmp_dir, repo_name)); |
| 116 |
|
✗ |
reflog->TakeDatabaseFileOwnership(); |
| 117 |
|
|
|
| 118 |
|
✗ |
reflog->BeginTransaction(); |
| 119 |
|
✗ |
AddStaticManifestObjects(reflog.get(), manifest.get()); |
| 120 |
|
✗ |
RootChainWalker walker(manifest.get(), &object_fetcher, reflog.get()); |
| 121 |
|
✗ |
walker.FindObjectsAndPopulateReflog(); |
| 122 |
|
✗ |
reflog->CommitTransaction(); |
| 123 |
|
|
|
| 124 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStdout, "found %lu entries", reflog->CountEntries()); |
| 125 |
|
|
|
| 126 |
|
✗ |
reflog->DropDatabaseFileOwnership(); |
| 127 |
|
✗ |
const std::string reflog_db = reflog->database_file(); |
| 128 |
|
✗ |
reflog.reset(); |
| 129 |
|
✗ |
uploader->UploadFile(reflog_db, ".cvmfsreflog"); |
| 130 |
|
✗ |
shash::Any reflog_hash(manifest->GetHashAlgorithm()); |
| 131 |
|
✗ |
manifest::Reflog::HashDatabase(reflog_db, &reflog_hash); |
| 132 |
|
✗ |
uploader->WaitForUpload(); |
| 133 |
|
✗ |
unlink(reflog_db.c_str()); |
| 134 |
|
|
|
| 135 |
|
✗ |
const int errors = uploader->GetNumberOfErrors(); |
| 136 |
|
✗ |
if (errors > 0) { |
| 137 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStderr, "failed to upload generated Reflog"); |
| 138 |
|
|
} |
| 139 |
|
|
|
| 140 |
|
✗ |
uploader->TearDown(); |
| 141 |
|
|
|
| 142 |
|
✗ |
manifest::Reflog::WriteChecksum(reflog_chksum_path, reflog_hash); |
| 143 |
|
|
|
| 144 |
|
✗ |
return (errors == 0) ? 0 : 1; |
| 145 |
|
|
} |
| 146 |
|
|
|
| 147 |
|
|
|
| 148 |
|
✗ |
void CommandReconstructReflog::AddStaticManifestObjects( |
| 149 |
|
|
manifest::Reflog *reflog, manifest::Manifest *manifest) const { |
| 150 |
|
✗ |
const shash::Any certificate = manifest->certificate(); |
| 151 |
|
✗ |
const shash::Any meta_info = manifest->meta_info(); |
| 152 |
|
✗ |
assert(!certificate.IsNull()); |
| 153 |
|
|
|
| 154 |
|
✗ |
bool success = reflog->AddCertificate(certificate); |
| 155 |
|
✗ |
assert(success); |
| 156 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStdout, "Certificate: %s", |
| 157 |
|
|
certificate.ToString().c_str()); |
| 158 |
|
|
|
| 159 |
|
✗ |
if (!meta_info.IsNull()) { |
| 160 |
|
✗ |
success = reflog->AddMetainfo(meta_info); |
| 161 |
|
✗ |
assert(success); |
| 162 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStdout, "Metainfo: %s", |
| 163 |
|
|
meta_info.ToString().c_str()); |
| 164 |
|
|
} |
| 165 |
|
|
} |
| 166 |
|
|
|
| 167 |
|
|
|
| 168 |
|
✗ |
void RootChainWalker::FindObjectsAndPopulateReflog() { |
| 169 |
|
✗ |
const shash::Any root_catalog = manifest_->catalog_hash(); |
| 170 |
|
✗ |
const shash::Any history = manifest_->history(); |
| 171 |
|
|
|
| 172 |
|
✗ |
assert(!root_catalog.IsNull()); |
| 173 |
|
✗ |
WalkRootCatalogs(root_catalog); |
| 174 |
|
|
|
| 175 |
|
✗ |
if (!history.IsNull()) { |
| 176 |
|
✗ |
WalkHistories(history); |
| 177 |
|
|
} |
| 178 |
|
|
} |
| 179 |
|
|
|
| 180 |
|
|
|
| 181 |
|
✗ |
void RootChainWalker::WalkRootCatalogs(const shash::Any &root_catalog_hash) { |
| 182 |
|
✗ |
shash::Any current_hash = root_catalog_hash; |
| 183 |
|
✗ |
std::unique_ptr<CatalogTN> current_catalog; |
| 184 |
|
|
|
| 185 |
|
✗ |
while (!current_hash.IsNull() && !reflog_->ContainsCatalog(current_hash) |
| 186 |
|
✗ |
&& (current_catalog = std::unique_ptr<CatalogTN>( |
| 187 |
|
✗ |
FetchCatalog(current_hash))) |
| 188 |
|
✗ |
.get() |
| 189 |
|
|
!= nullptr) { |
| 190 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStdout, "Catalog: %s Revision: %" PRIu64, |
| 191 |
|
|
current_hash.ToString().c_str(), current_catalog->GetRevision()); |
| 192 |
|
|
|
| 193 |
|
✗ |
const bool success = reflog_->AddCatalog(current_hash); |
| 194 |
|
✗ |
assert(success); |
| 195 |
|
|
|
| 196 |
|
✗ |
current_hash = current_catalog->GetPreviousRevision(); |
| 197 |
|
|
} |
| 198 |
|
|
} |
| 199 |
|
|
|
| 200 |
|
|
|
| 201 |
|
✗ |
void RootChainWalker::WalkHistories(const shash::Any &history_hash) { |
| 202 |
|
✗ |
shash::Any current_hash = history_hash; |
| 203 |
|
✗ |
std::unique_ptr<HistoryTN> current_history; |
| 204 |
|
|
|
| 205 |
|
✗ |
while (!current_hash.IsNull() && !reflog_->ContainsHistory(current_hash) |
| 206 |
|
✗ |
&& (current_history = std::unique_ptr<HistoryTN>( |
| 207 |
|
✗ |
FetchHistory(current_hash))) |
| 208 |
|
✗ |
.get() |
| 209 |
|
|
!= nullptr) { |
| 210 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStdout, "History: %s", |
| 211 |
|
|
current_hash.ToString().c_str()); |
| 212 |
|
|
|
| 213 |
|
✗ |
const bool cancel = WalkCatalogsInHistory(current_history.get()); |
| 214 |
|
✗ |
const bool success = reflog_->AddHistory(current_hash); |
| 215 |
|
✗ |
assert(success); |
| 216 |
|
|
|
| 217 |
|
✗ |
if (cancel) { |
| 218 |
|
✗ |
current_hash = shash::Any(current_hash.algorithm); |
| 219 |
|
|
} else { |
| 220 |
|
✗ |
current_hash = current_history->previous_revision(); |
| 221 |
|
|
} |
| 222 |
|
|
} |
| 223 |
|
|
} |
| 224 |
|
|
|
| 225 |
|
|
|
| 226 |
|
|
/** |
| 227 |
|
|
* If false is returned, it indicates that the history database comes from |
| 228 |
|
|
* an early pre-release of the history functionality. The WalkHistory() |
| 229 |
|
|
* iteration will subsequently stop. This is necessary, for instance, to |
| 230 |
|
|
* handle the cernvm-prod.cern.ch repository. |
| 231 |
|
|
*/ |
| 232 |
|
✗ |
bool RootChainWalker::WalkCatalogsInHistory(const HistoryTN *history) { |
| 233 |
|
✗ |
CatalogList tag_hashes; |
| 234 |
|
✗ |
const bool list_success = history->GetHashes(&tag_hashes); |
| 235 |
|
✗ |
assert(list_success); |
| 236 |
|
|
|
| 237 |
|
✗ |
CatalogList bin_hashes; |
| 238 |
|
✗ |
const bool bin_success = history->ListRecycleBin(&bin_hashes); |
| 239 |
|
✗ |
if (!bin_success) { |
| 240 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogStderr, " Warning: 'recycle bin' table missing"); |
| 241 |
|
|
} |
| 242 |
|
|
|
| 243 |
|
✗ |
WalkListedCatalogs(tag_hashes); |
| 244 |
|
✗ |
WalkListedCatalogs(bin_hashes); |
| 245 |
|
|
|
| 246 |
|
✗ |
return !bin_success; |
| 247 |
|
|
} |
| 248 |
|
|
|
| 249 |
|
|
|
| 250 |
|
✗ |
void RootChainWalker::WalkListedCatalogs( |
| 251 |
|
|
const RootChainWalker::CatalogList &catalog_list) { |
| 252 |
|
✗ |
CatalogList::const_iterator i = catalog_list.begin(); |
| 253 |
|
✗ |
const CatalogList::const_iterator iend = catalog_list.end(); |
| 254 |
|
✗ |
for (; i != iend; ++i) { |
| 255 |
|
✗ |
WalkRootCatalogs(*i); |
| 256 |
|
|
} |
| 257 |
|
|
} |
| 258 |
|
|
|
| 259 |
|
|
|
| 260 |
|
✗ |
RootChainWalker::CatalogTN *RootChainWalker::FetchCatalog( |
| 261 |
|
|
const shash::Any catalog_hash) { |
| 262 |
|
✗ |
CatalogTN *catalog = NULL; |
| 263 |
|
✗ |
const char *root_path = ""; |
| 264 |
|
✗ |
const ObjectFetcherFailures::Failures failure = object_fetcher_->FetchCatalog( |
| 265 |
|
|
catalog_hash, root_path, &catalog); |
| 266 |
|
|
|
| 267 |
|
✗ |
return ReturnOrAbort(failure, catalog_hash, catalog); |
| 268 |
|
|
} |
| 269 |
|
|
|
| 270 |
|
|
|
| 271 |
|
✗ |
RootChainWalker::HistoryTN *RootChainWalker::FetchHistory( |
| 272 |
|
|
const shash::Any history_hash) { |
| 273 |
|
✗ |
HistoryTN *history = NULL; |
| 274 |
|
✗ |
const ObjectFetcherFailures::Failures failure = object_fetcher_->FetchHistory( |
| 275 |
|
|
&history, history_hash); |
| 276 |
|
|
|
| 277 |
|
✗ |
return ReturnOrAbort(failure, history_hash, history); |
| 278 |
|
|
} |
| 279 |
|
|
|
| 280 |
|
|
|
| 281 |
|
|
template<class DatabaseT> |
| 282 |
|
✗ |
DatabaseT *RootChainWalker::ReturnOrAbort( |
| 283 |
|
|
const ObjectFetcherFailures::Failures failure, |
| 284 |
|
|
const shash::Any &content_hash, |
| 285 |
|
|
DatabaseT *database) { |
| 286 |
|
✗ |
switch (failure) { |
| 287 |
|
✗ |
case ObjectFetcherFailures::kFailOk: |
| 288 |
|
✗ |
return database; |
| 289 |
|
✗ |
case ObjectFetcherFailures::kFailNotFound: |
| 290 |
|
✗ |
return NULL; |
| 291 |
|
✗ |
default: |
| 292 |
|
✗ |
PANIC(kLogStderr, "Failed to load object '%s' (%d - %s)", |
| 293 |
|
|
content_hash.ToStringWithSuffix().c_str(), failure, |
| 294 |
|
|
Code2Ascii(failure)); |
| 295 |
|
|
} |
| 296 |
|
|
} |
| 297 |
|
|
|
| 298 |
|
|
} // namespace swissknife |
| 299 |
|
|
|