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Merge pull request #7127 from Icinga/bugfix/replay-log 

ApiListener#RotateLogFile(): don't overwrite previous log
This commit is contained in:
Michael Friedrich 2019-04-23 12:08:12 +02:00 committed by GitHub
parent 5fb191bbeb 407e77883c
commit 20d51d21dc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 17 deletions
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35
lib/remote/apilistener.cpp
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@ -33,6 +33,7 @@
#include <openssl/tls1.h>
#include <openssl/x509.h>
#include <sstream>
#include <utility>
using namespace icinga;
@ -229,7 +230,6 @@ void ApiListener::Start(bool runtimeCreated)
{
boost::mutex::scoped_lock lock(m_LogLock);
RotateLogFile();
OpenLogFile();
}
@ -280,6 +280,7 @@ void ApiListener::Stop(bool runtimeDeleted)
{
boost::mutex::scoped_lock lock(m_LogLock);
CloseLogFile();
RotateLogFile();
}
RemoveStatusFile();
@ -1156,13 +1157,11 @@ void ApiListener::RotateLogFile()
String oldpath = GetApiDir() + "log/current";
String newpath = GetApiDir() + "log/" + Convert::ToString(static_cast<int>(ts)+1);
#ifdef _WIN32
_unlink(newpath.CStr());
#endif /* _WIN32 */
// If the log is being rotated more than once per second,
// don't overwrite the previous one, but silently deny rotation.
if (!Utility::PathExists(newpath)) {
(void) rename(oldpath.CStr(), newpath.CStr());
}
}
void ApiListener::LogGlobHandler(std::vector<int>& files, const String& file)
@ -1215,7 +1214,6 @@ void ApiListener::ReplayLog(const JsonRpcConnection::Ptr& client)
boost::mutex::scoped_lock lock(m_LogLock);
CloseLogFile();
RotateLogFile();
if (count == -1 || count > 50000) {
OpenLogFile();
@ -1230,16 +1228,21 @@ void ApiListener::ReplayLog(const JsonRpcConnection::Ptr& client)
Utility::Glob(GetApiDir() + "log/*", std::bind(&ApiListener::LogGlobHandler, std::ref(files), _1), GlobFile);
std::sort(files.begin(), files.end());
std::vector<std::pair<int, String>> allFiles;
for (int ts : files) {
String path = GetApiDir() + "log/" + Convert::ToString(ts);
if (ts >= peer_ts) {
allFiles.emplace_back(ts, GetApiDir() + "log/" + Convert::ToString(ts));
}
}
if (ts < peer_ts)
continue;
allFiles.emplace_back(Utility::GetTime() + 1, GetApiDir() + "log/current");
for (auto& file : allFiles) {
Log(LogNotice, "ApiListener")
<< "Replaying log: " << path;
<< "Replaying log: " << file.second;
auto *fp = new std::fstream(path.CStr(), std::fstream::in | std::fstream::binary);
auto *fp = new std::fstream(file.second.CStr(), std::fstream::in | std::fstream::binary);
StdioStream::Ptr logStream = new StdioStream(fp, true);
String message;
@ -1259,7 +1262,7 @@ void ApiListener::ReplayLog(const JsonRpcConnection::Ptr& client)
pmessage = JsonDecode(message);
} catch (const std::exception&) {
Log(LogWarning, "ApiListener")
<< "Unexpected end-of-file for cluster log: " << path;
<< "Unexpected end-of-file for cluster log: " << file.second;
/* Log files may be incomplete or corrupted. This is perfectly OK. */
break;
@ -1295,8 +1298,8 @@ void ApiListener::ReplayLog(const JsonRpcConnection::Ptr& client)
peer_ts = pmessage->Get("timestamp");
if (ts > logpos_ts + 10) {
logpos_ts = ts;
if (file.first > logpos_ts + 10) {
logpos_ts = file.first;
Dictionary::Ptr lmessage = new Dictionary({
{ "jsonrpc", "2.0" },