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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#include "commit_processor.h" |
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#include <time.h> |
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#include <vector> |
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#include "catalog_diff_tool.h" |
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#include "catalog_merge_tool.h" |
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#include "catalog_mgr_ro.h" |
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#include "catalog_mgr_rw.h" |
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#include "compression/compression.h" |
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#include "manifest.h" |
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#include "manifest_fetch.h" |
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#include "network/download.h" |
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#include "params.h" |
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#include "signing_tool.h" |
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#include "statistics.h" |
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#include "statistics_database.h" |
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#include "swissknife.h" |
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#include "swissknife_history.h" |
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#include "util/algorithm.h" |
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#include "util/logging.h" |
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#include "util/pointer.h" |
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#include "util/posix.h" |
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#include "util/raii_temp_dir.h" |
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#include "util/string.h" |
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namespace { |
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PathString RemoveRepoName(const PathString& lease_path) { |
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std::string abs_path = lease_path.ToString(); |
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std::string::const_iterator it = |
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std::find(abs_path.begin(), abs_path.end(), '/'); |
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if (it != abs_path.end()) { |
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size_t idx = it - abs_path.begin() + 1; |
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return lease_path.Suffix(idx); |
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} else { |
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return lease_path; |
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} |
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} |
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bool CreateNewTag(const RepositoryTag& repo_tag, const std::string& repo_name, |
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const receiver::Params& params, const std::string& temp_dir, |
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const std::string& manifest_path, |
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const std::string& public_key_path, |
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const std::string& proxy) { |
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swissknife::ArgumentList args; |
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args['r'].Reset(new std::string(params.spooler_configuration)); |
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args['w'].Reset(new std::string(params.stratum0)); |
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args['t'].Reset(new std::string(temp_dir)); |
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args['m'].Reset(new std::string(manifest_path)); |
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args['p'].Reset(new std::string(public_key_path)); |
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args['f'].Reset(new std::string(repo_name)); |
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args['e'].Reset(new std::string(params.hash_alg_str)); |
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args['a'].Reset(new std::string(repo_tag.name())); |
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args['D'].Reset(new std::string(repo_tag.description())); |
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args['x'].Reset(new std::string()); |
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args['@'].Reset(new std::string(proxy)); |
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UniquePtr<swissknife::CommandEditTag> edit_cmd( |
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new swissknife::CommandEditTag()); |
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const int ret = edit_cmd->Main(args); |
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if (ret) { |
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LogCvmfs(kLogReceiver, kLogSyslogErr, "Error %d creating tag: %s", ret, |
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repo_tag.name().c_str()); |
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return false; |
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} |
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return true; |
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} |
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} // namespace |
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namespace receiver { |
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CommitProcessor::CommitProcessor() : num_errors_(0), statistics_(NULL) {} |
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CommitProcessor::~CommitProcessor() {} |
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/** |
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* Applies the changes from the new catalog onto the repository. |
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* |
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* Let: |
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* + C_O = the root catalog of the repository (given by old_root_hash) at |
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* the beginning of the lease, on the release manager machine |
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* + C_N = the root catalog of the repository (given by new_root_hash), on |
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* the release manager machine, with the changes introduced during the |
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* lease |
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* + C_G = the current root catalog of the repository on the gateway machine. |
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* |
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* This method applies all the changes from C_N, with respect to C_O, onto C_G. |
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* The resulting catalog on the gateway machine (C_GN) is then set as root |
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* catalog in the repository manifest. The method also signs the updated |
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* repository manifest. |
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*/ |
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CommitProcessor::Result CommitProcessor::Process( |
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const std::string& lease_path, const shash::Any& old_root_hash, |
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const shash::Any& new_root_hash, const RepositoryTag& tag, |
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uint64_t *final_revision) { |
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RepositoryTag final_tag = tag; |
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// If tag_name is a generic tag, update the time stamp |
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if (final_tag.HasGenericName()) { |
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final_tag.SetGenericName(); |
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} |
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LogCvmfs(kLogReceiver, kLogSyslog, |
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"CommitProcessor - lease_path: %s, old hash: %s, new hash: %s, " |
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"tag_name: %s, tag_description: %s", |
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lease_path.c_str(), old_root_hash.ToString(true).c_str(), |
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new_root_hash.ToString(true).c_str(), final_tag.name().c_str(), |
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final_tag.description().c_str()); |
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const std::vector<std::string> lease_path_tokens = |
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SplitString(lease_path, '/'); |
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const std::string repo_name = lease_path_tokens.front(); |
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Params params; |
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if (!GetParamsFromFile(repo_name, ¶ms)) { |
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LogCvmfs( |
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kLogReceiver, kLogSyslogErr, |
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"CommitProcessor - error: Could not get configuration parameters."); |
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return kError; |
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} |
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UniquePtr<ServerTool> server_tool(new ServerTool()); |
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if (!server_tool->InitDownloadManager(true, params.proxy)) { |
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LogCvmfs( |
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kLogReceiver, kLogSyslogErr, |
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"CommitProcessor - error: Could not initialize the download manager"); |
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return kError; |
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} |
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const std::string public_key = "/etc/cvmfs/keys/" + repo_name + ".pub"; |
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const std::string certificate = "/etc/cvmfs/keys/" + repo_name + ".crt"; |
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const std::string private_key = "/etc/cvmfs/keys/" + repo_name + ".key"; |
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if (!server_tool->InitSignatureManager(public_key, certificate, private_key)) |
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{ |
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LogCvmfs( |
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kLogReceiver, kLogSyslogErr, |
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"CommitProcessor - error: Could not initialize the signature manager"); |
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return kError; |
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} |
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shash::Any manifest_base_hash; |
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const UniquePtr<manifest::Manifest> manifest_tgt( |
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server_tool->FetchRemoteManifest( |
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params.stratum0, repo_name, manifest_base_hash)); |
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// Current catalog from the gateway machine |
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if (!manifest_tgt.IsValid()) { |
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LogCvmfs(kLogReceiver, kLogSyslogErr, |
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"CommitProcessor - error: Could not open repository manifest"); |
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return kError; |
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} |
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LogCvmfs(kLogReceiver, kLogSyslog, |
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"CommitProcessor - lease_path: %s, target root hash: %s", |
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lease_path.c_str(), |
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manifest_tgt->catalog_hash().ToString(false).c_str()); |
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std::string cache_dir_; |
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if (params.use_local_cache) { |
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cache_dir_ = "/var/spool/cvmfs/" + repo_name + "/cache.server"; |
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} |
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const std::string spooler_temp_dir = |
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GetSpoolerTempDir(params.spooler_configuration); |
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assert(!spooler_temp_dir.empty()); |
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assert(MkdirDeep(spooler_temp_dir + "/receiver", 0755, true)); |
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const std::string temp_dir_root = |
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spooler_temp_dir + "/receiver/commit_processor"; |
| 180 |
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| 181 |
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const PathString relative_lease_path = RemoveRepoName(PathString(lease_path)); |
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LogCvmfs(kLogReceiver, kLogSyslog, |
| 184 |
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"CommitProcessor - lease_path: %s, merging catalogs", |
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lease_path.c_str()); |
| 186 |
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| 187 |
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CatalogMergeTool<catalog::WritableCatalogManager, |
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catalog::SimpleCatalogManager> |
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merge_tool(params.stratum0, old_root_hash, new_root_hash, |
| 190 |
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relative_lease_path, temp_dir_root, |
| 191 |
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server_tool->download_manager(), manifest_tgt.weak_ref(), |
| 192 |
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statistics_, cache_dir_); |
| 193 |
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if (!merge_tool.Init()) { |
| 194 |
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LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 195 |
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"Error: Could not initialize the catalog merge tool"); |
| 196 |
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return kError; |
| 197 |
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} |
| 198 |
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| 199 |
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std::string new_manifest_path; |
| 200 |
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shash::Any new_manifest_hash; |
| 201 |
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if (!merge_tool.Run(params, &new_manifest_path, &new_manifest_hash, final_revision)) { |
| 202 |
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LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 203 |
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"CommitProcessor - error: Catalog merge failed"); |
| 204 |
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return kMergeFailure; |
| 205 |
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} |
| 206 |
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| 207 |
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UniquePtr<RaiiTempDir> raii_temp_dir(RaiiTempDir::Create(temp_dir_root)); |
| 208 |
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const std::string temp_dir = raii_temp_dir->dir(); |
| 209 |
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| 210 |
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if (!CreateNewTag(final_tag, repo_name, params, temp_dir, new_manifest_path, |
| 211 |
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public_key, params.proxy)) { |
| 212 |
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LogCvmfs(kLogReceiver, kLogSyslogErr, "Error creating tag: %s", |
| 213 |
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final_tag.name().c_str()); |
| 214 |
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return kError; |
| 215 |
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} |
| 216 |
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| 217 |
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LogCvmfs(kLogReceiver, kLogSyslog, |
| 218 |
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"CommitProcessor - lease_path: %s, signing manifest", |
| 219 |
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lease_path.c_str()); |
| 220 |
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| 221 |
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// Add C_N root catalog hash to reflog through SigningTool, |
| 222 |
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// so garbage collector can later delete it. |
| 223 |
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std::vector<shash::Any> reflog_catalogs; |
| 224 |
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reflog_catalogs.push_back(new_root_hash); |
| 225 |
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| 226 |
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SigningTool signing_tool(server_tool.weak_ref()); |
| 227 |
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SigningTool::Result res = signing_tool.Run( |
| 228 |
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new_manifest_path, params.stratum0, params.spooler_configuration, |
| 229 |
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temp_dir, certificate, private_key, repo_name, "", "", |
| 230 |
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"/var/spool/cvmfs/" + repo_name + "/reflog.chksum", params.proxy, |
| 231 |
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params.garbage_collection, false, false, reflog_catalogs); |
| 232 |
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switch (res) { |
| 233 |
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case SigningTool::kReflogChecksumMissing: |
| 234 |
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LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 235 |
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"CommitProcessor - error: missing reflog.chksum"); |
| 236 |
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✗ |
return kMissingReflog; |
| 237 |
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✗ |
case SigningTool::kReflogMissing: |
| 238 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 239 |
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"CommitProcessor - error: missing reflog"); |
| 240 |
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return kMissingReflog; |
| 241 |
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✗ |
case SigningTool::kError: |
| 242 |
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case SigningTool::kInitError: |
| 243 |
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LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 244 |
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"CommitProcessor - error: signing manifest"); |
| 245 |
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return kError; |
| 246 |
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✗ |
case SigningTool::kSuccess: |
| 247 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslog, |
| 248 |
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"CommitProcessor - lease_path: %s, success.", |
| 249 |
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lease_path.c_str()); |
| 250 |
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} |
| 251 |
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| 252 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslog, |
| 253 |
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"CommitProcessor - lease_path: %s, new root hash: %s", |
| 254 |
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lease_path.c_str(), |
| 255 |
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✗ |
new_manifest_hash.ToString(false).c_str()); |
| 256 |
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| 257 |
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// Ensure CVMFS_ROOT_HASH is not set in |
| 258 |
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// /var/spool/cvmfs/<REPO_NAME>/client.local |
| 259 |
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✗ |
const std::string fname = "/var/spool/cvmfs/" + repo_name + "/client.local"; |
| 260 |
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✗ |
if (truncate(fname.c_str(), 0) < 0) { |
| 261 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslogErr, "Could not truncate %s\n", |
| 262 |
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fname.c_str()); |
| 263 |
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✗ |
return kError; |
| 264 |
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} |
| 265 |
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| 266 |
|
✗ |
StatisticsDatabase *stats_db = StatisticsDatabase::OpenStandardDB(repo_name); |
| 267 |
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✗ |
if (stats_db != NULL) { |
| 268 |
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✗ |
if (!stats_db->StorePublishStatistics(statistics_, start_time_, true)) { |
| 269 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 270 |
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"Could not store publish statistics"); |
| 271 |
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} |
| 272 |
|
✗ |
if (params.upload_stats_db) { |
| 273 |
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✗ |
upload::SpoolerDefinition sd(params.spooler_configuration, shash::kAny); |
| 274 |
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✗ |
upload::Spooler *spooler = upload::Spooler::Construct(sd); |
| 275 |
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✗ |
if (!stats_db->UploadStatistics(spooler)) { |
| 276 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslogErr, |
| 277 |
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"Could not upload statistics DB to upstream storage"); |
| 278 |
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} |
| 279 |
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✗ |
delete spooler; |
| 280 |
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} |
| 281 |
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✗ |
delete stats_db; |
| 282 |
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| 283 |
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} else { |
| 284 |
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✗ |
LogCvmfs(kLogReceiver, kLogSyslogErr, "Could not open statistics DB"); |
| 285 |
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} |
| 286 |
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| 287 |
|
✗ |
return kSuccess; |
| 288 |
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} |
| 289 |
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| 290 |
|
✗ |
void CommitProcessor::SetStatistics(perf::Statistics *st, |
| 291 |
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const std::string &start_time) |
| 292 |
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{ |
| 293 |
|
✗ |
statistics_ = st; |
| 294 |
|
✗ |
statistics_->Register("publish.revision", ""); |
| 295 |
|
✗ |
start_time_ = start_time; |
| 296 |
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} |
| 297 |
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| 298 |
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} // namespace receiver |
| 299 |
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