Merge #2180

Warn administrator when creating an empty SQLite data source.

src/lib/datasrc/datasrc_messages.mes

@@ -787,10 +787,20 @@ example.com). However, this name is not contained in any zone in the
 data source. This is an error since it indicates a problem in the earlier
 processing of the query.
 
-% DATASRC_SQLITE_SETUP setting up SQLite database
+% DATASRC_SQLITE_SETUP setting up new SQLite3 database in '%1'
 The database for SQLite data source was found empty. It is assumed this is the
 first run and it is being initialized with current schema.  It'll still contain
-no data, but it will be ready for use.
+no data, but it will be ready for use. If this is indeed the first run of
+BIND 10, it is to be expected and completely harmless. If you just configured
+a data source to point to an existing file and you see this, you may have
+misspelled the file name.
+
+% DATASRC_SQLITE_SETUP_OLD_API setting up new SQLite database
+The database for SQLite data source was found empty. It is assumed this is the
+first run and it is being initialized with current schema.  It'll still contain
+no data, but it will be ready for use. This is similar to DATASRC_SQLITE_SETUP
+message, but it is logged from the old API. You should never see it, since the
+API is deprecated.
 
 % DATASRC_STATIC_CLASS_NOT_CH static data source can handle CH class only
 An error message indicating that a query requesting a RR for a class other

src/lib/datasrc/sqlite3_accessor.cc

@@ -474,8 +474,8 @@ private:
 
 // return db version
 pair<int, int>
-createDatabase(sqlite3* db) {
-    logger.info(DATASRC_SQLITE_SETUP);
+createDatabase(sqlite3* db, const std::string& name) {
+    logger.warn(DATASRC_SQLITE_SETUP).arg(name);
 
     // try to get an exclusive lock. Once that is obtained, do the version
     // check *again*, just in case this process was racing another
@@ -501,12 +501,12 @@ createDatabase(sqlite3* db) {
 }
 
 void
-checkAndSetupSchema(Initializer* initializer) {
+checkAndSetupSchema(Initializer* initializer, const std::string& name) {
     sqlite3* const db = initializer->params_.db_;
 
     pair<int, int> schema_version = checkSchemaVersion(db);
     if (schema_version.first == -1) {
-        schema_version = createDatabase(db);
+        schema_version = createDatabase(db, name);
     } else if (schema_version.first != SQLITE_SCHEMA_MAJOR_VERSION) {
         LOG_ERROR(logger, DATASRC_SQLITE_INCOMPATIBLE_VERSION)
             .arg(schema_version.first).arg(schema_version.second)
@@ -540,7 +540,7 @@ SQLite3Accessor::open(const std::string& name) {
         isc_throw(SQLite3Error, "Cannot open SQLite database file: " << name);
     }
 
-    checkAndSetupSchema(&initializer);
+    checkAndSetupSchema(&initializer, name);
     initializer.move(dbparameters_.get());
 }
 

src/lib/datasrc/sqlite3_datasrc.cc

@@ -788,7 +788,7 @@ private:
 
 // return db version
 pair<int, int> create_database(sqlite3* db) {
-    logger.info(DATASRC_SQLITE_SETUP);
+    logger.info(DATASRC_SQLITE_SETUP_OLD_API);
 
     // try to get an exclusive lock. Once that is obtained, do the version
     // check *again*, just in case this process was racing another