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author | Ruoxin Xu <ruoxin.xu@mongodb.com> | 2020-08-17 12:58:31 +0100 |
---|---|---|
committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2020-11-24 17:01:58 +0000 |
commit | 3fb9aa83008866b3610b1d67241d2293d8444e2f (patch) | |
tree | 05b8a9a448e68ddb39efb3dcf3e16fe7573921f2 | |
parent | bb03863b182807f69bfd4f6874ed1a89c5fea1bf (diff) | |
download | mongo-3fb9aa83008866b3610b1d67241d2293d8444e2f.tar.gz |
SERVER-50267 Set output limit for rawMongoProgramOutput()
(cherry picked from commit 30acdea3aa54dab658cb76908a8cd9bf35e7762f)
-rw-r--r-- | src/mongo/shell/shell_utils_launcher.cpp | 10 | ||||
-rw-r--r-- | src/mongo/shell/shell_utils_launcher.h | 1 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/mongo/shell/shell_utils_launcher.cpp b/src/mongo/shell/shell_utils_launcher.cpp index 7cef9c37965..d0cc331d10f 100644 --- a/src/mongo/shell/shell_utils_launcher.cpp +++ b/src/mongo/shell/shell_utils_launcher.cpp @@ -63,6 +63,7 @@ #include "mongo/base/environment_buffer.h" #include "mongo/base/error_codes.h" +#include "mongo/bson/util/builder.h" #include "mongo/client/dbclient_connection.h" #include "mongo/db/traffic_reader.h" #include "mongo/logv2/log.h" @@ -763,8 +764,15 @@ bool wait_for_pid(ProcessId pid, bool block = true, int* exit_code = nullptr) { #endif } +// Output up to BSONObjMaxUserSize characters of the most recent log output in order to +// avoid hitting the 16MB size limit of a BSONObject. BSONObj RawMongoProgramOutput(const BSONObj& args, void* data) { - return BSON("" << programOutputLogger.str()); + std::string programLog = programOutputLogger.str(); + std::size_t sz = programLog.size(); + const string& outputStr = + sz > BSONObjMaxUserSize ? programLog.substr(sz - BSONObjMaxUserSize) : programLog; + + return BSON("" << outputStr); } BSONObj ClearRawMongoProgramOutput(const BSONObj& args, void* data) { diff --git a/src/mongo/shell/shell_utils_launcher.h b/src/mongo/shell/shell_utils_launcher.h index 10ae1e7d716..9464100aa9b 100644 --- a/src/mongo/shell/shell_utils_launcher.h +++ b/src/mongo/shell/shell_utils_launcher.h @@ -66,7 +66,6 @@ void installShellUtilsLauncher(Scope& scope); class ProgramOutputMultiplexer { public: void appendLine(int port, ProcessId pid, const std::string& name, const std::string& line); - /** @return up to 100000 characters of the most recent log output. */ std::string str() const; void clear(); |