added a commodity mongodb plugin for system without mongoclient shared library

plugins/emperor_mongodb/emperor_mongodb.cc

@@ -1,4 +1,4 @@
-#include "../../uwsgi.h"
+#include <uwsgi.h>
 
 #include "client/dbclient.h"
 

plugins/emperor_mongodb/plugin.c

@@ -1,4 +1,4 @@
-#include "../../uwsgi.h"
+#include <uwsgi.h>
 
 void uwsgi_imperial_monitor_mongodb(struct uwsgi_emperor_scanner *);
 void uwsgi_imperial_monitor_mongodb_init(struct uwsgi_emperor_scanner *);

plugins/emperor_mongodb/uwsgiplugin.py

@@ -1,7 +1,14 @@
+import os
+
 NAME='emperor_mongodb'
 
 CFLAGS = ['-I/usr/include/mongo','-I/usr/local/include/mongo']
 LDFLAGS = []
-LIBS = ['-lmongoclient', '-lboost_thread','-lboost_filesystem']
+
+LIBS = []
+if not 'UWSGI_MONGODB_NOLIB' in os.environ:
+    LIBS.append('-lmongoclient')
+    LIBS.append('-lboost_thread')
+    LIBS.append('-lboost_filesystem')
 
 GCC_LIST = ['plugin', 'emperor_mongodb.cc']

plugins/mongodb/foobar.cc

@@ -0,0 +1,9 @@
+#include <uwsgi.h>
+
+#include "client/dbclient.h"
+
+extern "C" int uwsgi_mongodb_version() {
+	// this is only a hack to force the linked to embed libmongoclient.a
+	mongo::DBClientConnection c;
+	return 0;
+}

plugins/mongodb/plugin.c

@@ -0,0 +1,14 @@
+#include <uwsgi.h>
+
+/*
+
+a fake plugin used for preloading mongodb library when only available as static.
+
+*/
+
+int uwsgi_mongodb_version(void);
+
+struct uwsgi_plugin mongodb_plugin = {
+	.name = "mongodb",
+	.init = uwsgi_mongodb_version,
+};

plugins/mongodb/uwsgiplugin.py

@@ -0,0 +1,8 @@
+NAME='mongodb'
+
+CFLAGS = ['-I/usr/include/mongo','-I/usr/local/include/mongo']
+LDFLAGS = []
+LIBS = ['-lmongoclient', '-lboost_thread','-lboost_filesystem']
+
+GCC_LIST = ['plugin', 'foobar.cc']
+

plugins/stats_pusher_mongodb/uwsgiplugin.py

@@ -1,7 +1,14 @@
+import os
+
 NAME='stats_pusher_mongodb'
 
 CFLAGS = ['-I/usr/include/mongo','-I/usr/local/include/mongo']
 LDFLAGS = []
-LIBS = ['-lmongoclient', '-lboost_thread','-lboost_filesystem']
+
+LIBS = []
+if not 'UWSGI_MONGODB_NOLIB' in os.environ:
+    LIBS.append('-lmongoclient')
+    LIBS.append('-lboost_thread')
+    LIBS.append('-lboost_filesystem')
 
 GCC_LIST = ['plugin', 'stats_pusher_mongodb.cc']