diff options
author | Andrew Morrow <acm@mongodb.com> | 2019-07-21 17:20:33 -0400 |
---|---|---|
committer | Andrew Morrow <acm@mongodb.com> | 2019-07-23 18:16:31 -0400 |
commit | e0db896c785dc85de0ddb4ec32859c142b91166c (patch) | |
tree | dc2131a7c98cdae4d5290b7daf104e790c2ae6d2 | |
parent | f2ddc40c1bf5c654038a2702d63272af1b180a26 (diff) | |
download | mongo-e0db896c785dc85de0ddb4ec32859c142b91166c.tar.gz |
SERVER-42257 Announce known emulations
(cherry picked from commit 0789a935ccee8e402cce8c7cdf52a41b9cc17010)
-rw-r--r-- | src/mongo/shell/dbshell.cpp | 6 | ||||
-rw-r--r-- | src/mongo/shell/utils.js | 45 |
2 files changed, 51 insertions, 0 deletions
diff --git a/src/mongo/shell/dbshell.cpp b/src/mongo/shell/dbshell.cpp index f7ff703b665..bc6e211ae6f 100644 --- a/src/mongo/shell/dbshell.cpp +++ b/src/mongo/shell/dbshell.cpp @@ -1061,6 +1061,12 @@ int _main(int argc, char* argv[], char** envp) { false, true, false); + + scope->exec("shellHelper( 'show', 'nonGenuineMongoDBCheck' )", + "(nonGenuineMongoDBCheck)", + false, + true, + false); } shellHistoryInit(); diff --git a/src/mongo/shell/utils.js b/src/mongo/shell/utils.js index ce840fc5c0f..11e6cde6902 100644 --- a/src/mongo/shell/utils.js +++ b/src/mongo/shell/utils.js @@ -1091,6 +1091,51 @@ shellHelper.show = function(what) { } } + if (what == "nonGenuineMongoDBCheck") { + let matchesKnownImposterSignature = false; + + // A MongoDB emulation service offered by a company + // responsible for a certain disk operating system. + try { + const buildInfo = db.runCommand({buildInfo: 1}); + if (buildInfo.hasOwnProperty('_t')) { + matchesKnownImposterSignature = true; + } + } catch (e) { + // Don't do anything here. Just throw the error away. + } + + // A MongoDB emulation service offered by a company named + // after some sort of minor river or something. + if (!matchesKnownImposterSignature) { + try { + const cmdLineOpts = db.adminCommand({getCmdLineOpts: 1}); + if (cmdLineOpts.hasOwnProperty('errmsg') && + cmdLineOpts.errmsg.indexOf('not supported') !== -1) { + matchesKnownImposterSignature = true; + } + } catch (e) { + // Don't do anything here. Just throw the error away. + } + } + + if (matchesKnownImposterSignature) { + print("\n" + "Warning: Non-Genuine MongoDB Detected\n\n" + + + "This server or service appears to be an emulation of MongoDB " + + "rather than an official MongoDB product.\n\n" + + + "Some documented MongoDB features may work differently, " + + "be entirely missing or incomplete, " + + "or have unexpected performance characteristics.\n\n" + + + "To learn more please visit: " + + "https://dochub.mongodb.org/core/non-genuine-mongodb-server-warning.\n"); + } + + return ""; + } + throw Error("don't know how to show [" + what + "]"); }; |