| Line |
Branch |
Exec |
Source |
| 1 |
|
|
/** |
| 2 |
|
|
* This file is part of the CernVM File System. |
| 3 |
|
|
*/ |
| 4 |
|
|
|
| 5 |
|
|
#include "cmd_sub.h" |
| 6 |
|
|
|
| 7 |
|
|
#include <inttypes.h> |
| 8 |
|
|
|
| 9 |
|
|
#include "crypto/signature.h" |
| 10 |
|
|
#include "manifest.h" |
| 11 |
|
|
#include "manifest_fetch.h" |
| 12 |
|
|
#include "network/download.h" |
| 13 |
|
|
#include "notify/messages.h" |
| 14 |
|
|
#include "options.h" |
| 15 |
|
|
#include "subscriber_sse.h" |
| 16 |
|
|
#include "subscriber_supervisor.h" |
| 17 |
|
|
#include "supervisor.h" |
| 18 |
|
|
#include "util/logging.h" |
| 19 |
|
|
#include "util/pointer.h" |
| 20 |
|
|
#include "util/posix.h" |
| 21 |
|
|
#include "util/string.h" |
| 22 |
|
|
|
| 23 |
|
|
namespace { |
| 24 |
|
|
|
| 25 |
|
|
const LogFacilities &kLogInfo = DefaultLogging::info; |
| 26 |
|
|
const LogFacilities &kLogError = DefaultLogging::error; |
| 27 |
|
|
|
| 28 |
|
|
const int kMaxPoolHandles = 1; |
| 29 |
|
|
|
| 30 |
|
|
class SwissknifeSubscriber : public notify::SubscriberSSE { |
| 31 |
|
|
public: |
| 32 |
|
✗ |
SwissknifeSubscriber(const std::string &server_url, |
| 33 |
|
|
const std::string &repository, uint64_t min_revision, |
| 34 |
|
|
bool continuous, bool verbose) |
| 35 |
|
✗ |
: notify::SubscriberSSE(server_url) |
| 36 |
|
✗ |
, repository_(repository) |
| 37 |
|
✗ |
, stats_() |
| 38 |
|
✗ |
, dl_mgr_(new download::DownloadManager( |
| 39 |
|
✗ |
kMaxPoolHandles, perf::StatisticsTemplate("download", &stats_))) |
| 40 |
|
✗ |
, sig_mgr_(new signature::SignatureManager()) |
| 41 |
|
✗ |
, revision_(min_revision) |
| 42 |
|
✗ |
, continuous_(continuous) |
| 43 |
|
✗ |
, verbose_(verbose) { } |
| 44 |
|
✗ |
virtual ~SwissknifeSubscriber() { sig_mgr_->Fini(); } |
| 45 |
|
|
|
| 46 |
|
✗ |
bool Init() { |
| 47 |
|
✗ |
const std::string config_file = "/etc/cvmfs/repositories.d/" + repository_ |
| 48 |
|
✗ |
+ "/client.conf"; |
| 49 |
|
✗ |
SimpleOptionsParser options; |
| 50 |
|
✗ |
if (!options.TryParsePath(config_file)) { |
| 51 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogError, |
| 52 |
|
|
"SwissknifeSubscriber - could not parse configuration file"); |
| 53 |
|
✗ |
return false; |
| 54 |
|
|
} |
| 55 |
|
|
|
| 56 |
|
✗ |
std::string arg; |
| 57 |
|
✗ |
if (options.GetValue("CVMFS_SERVER_URL", &arg)) { |
| 58 |
|
✗ |
dl_mgr_->SetHostChain(arg); |
| 59 |
|
|
} |
| 60 |
|
|
|
| 61 |
|
✗ |
sig_mgr_->Init(); |
| 62 |
|
|
|
| 63 |
|
|
const std::string public_keys = JoinStrings( |
| 64 |
|
✗ |
FindFilesBySuffix("/etc/cvmfs/keys", ".pub"), ":"); |
| 65 |
|
✗ |
if (!sig_mgr_->LoadPublicRsaKeys(public_keys)) { |
| 66 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogError, |
| 67 |
|
|
"SwissknifeSubscriber - could not load public keys"); |
| 68 |
|
✗ |
return false; |
| 69 |
|
|
} |
| 70 |
|
|
|
| 71 |
|
✗ |
return true; |
| 72 |
|
|
} |
| 73 |
|
|
|
| 74 |
|
|
private: |
| 75 |
|
✗ |
virtual notify::Subscriber::Status Consume(const std::string &repo, |
| 76 |
|
|
const std::string &msg_text) { |
| 77 |
|
✗ |
notify::msg::Activity msg; |
| 78 |
|
✗ |
if (!msg.FromJSONString(msg_text)) { |
| 79 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogError, |
| 80 |
|
|
"SwissknifeSubscriber - could not decode message."); |
| 81 |
|
✗ |
return notify::Subscriber::kError; |
| 82 |
|
|
} |
| 83 |
|
|
|
| 84 |
|
✗ |
manifest::ManifestEnsemble ensemble; |
| 85 |
|
✗ |
const manifest::Failures res = manifest::Verify( |
| 86 |
|
✗ |
reinterpret_cast<unsigned char *>(&(msg.manifest_[0])), |
| 87 |
|
|
msg.manifest_.size(), "", repo, 0, NULL, sig_mgr_.weak_ref(), |
| 88 |
|
|
dl_mgr_.weak_ref(), &ensemble); |
| 89 |
|
|
|
| 90 |
|
✗ |
if (res != manifest::kFailOk) { |
| 91 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogError, |
| 92 |
|
|
"SwissknifeSubscriber - manifest has invalid signature: %d", |
| 93 |
|
|
res); |
| 94 |
|
✗ |
return notify::Subscriber::kError; |
| 95 |
|
|
} |
| 96 |
|
|
|
| 97 |
|
|
const UniquePtr<manifest::Manifest> manifest(manifest::Manifest::LoadMem( |
| 98 |
|
✗ |
reinterpret_cast<const unsigned char *>(msg.manifest_.data()), |
| 99 |
|
✗ |
msg.manifest_.size())); |
| 100 |
|
|
|
| 101 |
|
✗ |
if (!manifest.IsValid()) { |
| 102 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogError, |
| 103 |
|
|
"SwissknifeSubscriber - could not parse manifest."); |
| 104 |
|
✗ |
return notify::Subscriber::kError; |
| 105 |
|
|
} |
| 106 |
|
|
|
| 107 |
|
✗ |
const uint64_t new_revision = manifest->revision(); |
| 108 |
|
✗ |
bool triggered = false; |
| 109 |
|
✗ |
if (new_revision > revision_) { |
| 110 |
|
✗ |
LogCvmfs( |
| 111 |
|
|
kLogCvmfs, kLogInfo, |
| 112 |
|
|
"SwissknifeSubscriber - repository %s is now at revision %" PRIu64 |
| 113 |
|
|
".", |
| 114 |
|
|
repo.c_str(), new_revision); |
| 115 |
|
✗ |
if (verbose_) { |
| 116 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogInfo, "%s", msg_text.c_str()); |
| 117 |
|
|
} |
| 118 |
|
✗ |
revision_ = new_revision; |
| 119 |
|
✗ |
triggered = true; |
| 120 |
|
|
} |
| 121 |
|
|
|
| 122 |
|
✗ |
if (!continuous_ && triggered) { |
| 123 |
|
✗ |
return notify::Subscriber::kFinish; |
| 124 |
|
|
} |
| 125 |
|
|
|
| 126 |
|
✗ |
return notify::Subscriber::kContinue; |
| 127 |
|
|
} |
| 128 |
|
|
|
| 129 |
|
|
std::string repository_; |
| 130 |
|
|
|
| 131 |
|
|
perf::Statistics stats_; |
| 132 |
|
|
UniquePtr<download::DownloadManager> dl_mgr_; |
| 133 |
|
|
UniquePtr<signature::SignatureManager> sig_mgr_; |
| 134 |
|
|
|
| 135 |
|
|
uint64_t revision_; |
| 136 |
|
|
bool continuous_; |
| 137 |
|
|
bool verbose_; |
| 138 |
|
|
}; |
| 139 |
|
|
|
| 140 |
|
|
} // namespace |
| 141 |
|
|
|
| 142 |
|
|
namespace notify { |
| 143 |
|
|
|
| 144 |
|
✗ |
int DoSubscribe(const std::string &server_url, const std::string &repo, |
| 145 |
|
|
uint64_t min_revision, bool continuous, bool verbose) { |
| 146 |
|
|
SwissknifeSubscriber subscriber(server_url, repo, min_revision, continuous, |
| 147 |
|
✗ |
verbose); |
| 148 |
|
|
|
| 149 |
|
✗ |
if (!subscriber.Init()) { |
| 150 |
|
✗ |
LogCvmfs(kLogCvmfs, kLogError, "Could not initialize SwissknifeSubscriber"); |
| 151 |
|
✗ |
return 1; |
| 152 |
|
|
} |
| 153 |
|
|
|
| 154 |
|
|
// Retry settings: accept no more than 10 failures in the last minute |
| 155 |
|
✗ |
const int num_retries = 10; |
| 156 |
|
✗ |
const uint64_t interval = 60; |
| 157 |
|
✗ |
SubscriberSupervisor supervisor(&subscriber, repo, num_retries, interval); |
| 158 |
|
✗ |
supervisor.Run(); |
| 159 |
|
|
|
| 160 |
|
✗ |
return 0; |
| 161 |
|
|
} |
| 162 |
|
|
|
| 163 |
|
|
} // namespace notify |
| 164 |
|
|
|