Multiple DBAAS Redis Sentinel groups

[ric-plt/sdl.git] / src / configurationreader.cpp

diff --git a/src/configurationreader.cpp b/src/configurationreader.cpp
index 85ab627..18945b6 100644 (file)
--- a/src/configurationreader.cpp
+++ b/src/configurationreader.cpp
@@ -14,6 +14,11 @@
    limitations under the License.
 */
 
+/*
+ * This source code is part of the near-RT RIC (RAN Intelligent Controller)
+ * platform project (RICP).
+*/
+
 #include "private/abort.hpp"
 #include "private/configurationreader.hpp"
 #include <boost/property_tree/json_parser.hpp>
@@ -200,10 +205,16 @@ ConfigurationReader::ConfigurationReader(std::shared_ptr<Logger> logger):
 ConfigurationReader::ConfigurationReader(const Directories& directories,
                                          System& system,
                                          std::shared_ptr<Logger> logger):
-       dbHostEnvVariableName(DB_HOST_ENV_VAR_NAME),
-       dbHostEnvVariableValue({}),
-       dbPortEnvVariableName(DB_PORT_ENV_VAR_NAME),
-       dbPortEnvVariableValue({}),
+    dbHostEnvVariableName(DB_HOST_ENV_VAR_NAME),
+    dbHostEnvVariableValue({}),
+    dbPortEnvVariableName(DB_PORT_ENV_VAR_NAME),
+    dbPortEnvVariableValue({}),
+    sentinelPortEnvVariableName(SENTINEL_PORT_ENV_VAR_NAME),
+    sentinelPortEnvVariableValue({}),
+    sentinelMasterNameEnvVariableName(SENTINEL_MASTER_NAME_ENV_VAR_NAME),
+    sentinelMasterNameEnvVariableValue({}),
+    dbClusterAddrListEnvVariableName(DB_CLUSTER_ADDR_LIST_ENV_VAR_NAME),
+    dbClusterAddrListEnvVariableValue({}),
     jsonDatabaseConfiguration(boost::none),
     logger(logger)
 {
@@ -215,6 +226,15 @@ ConfigurationReader::ConfigurationReader(const Directories& directories,
         auto envStr = system.getenv(dbPortEnvVariableName.c_str());
         if (envStr)
             dbPortEnvVariableValue = envStr;
+        envStr = system.getenv(sentinelPortEnvVariableName.c_str());
+        if (envStr)
+            sentinelPortEnvVariableValue = envStr;
+        envStr = system.getenv(sentinelMasterNameEnvVariableName.c_str());
+        if (envStr)
+            sentinelMasterNameEnvVariableValue = envStr;
+        envStr = system.getenv(dbClusterAddrListEnvVariableName.c_str());
+        if (envStr)
+            dbClusterAddrListEnvVariableValue = envStr;
     }
 
     readConfigurationFromDirectories(directories);
@@ -285,12 +305,28 @@ void ConfigurationReader::readDatabaseConfiguration(DatabaseConfiguration& datab
     {
         if (sourceForDatabaseConfiguration == dbHostEnvVariableName)
         {
-            // Currently hard coded to redis-standalone, because RIC dbaas does not support Redis cluster configuration.
-               validateAndSetDbType("redis-standalone", databaseConfiguration, sourceForDatabaseConfiguration);
-               if (dbPortEnvVariableValue.empty())
-                       parseDatabaseServersConfigurationFromString(databaseConfiguration, dbHostEnvVariableValue, sourceForDatabaseConfiguration);
-               else
-                       parseDatabaseServersConfigurationFromString(databaseConfiguration, dbHostEnvVariableValue + ":" + dbPortEnvVariableValue, sourceForDatabaseConfiguration);
+            // NOTE: Redis cluster is not currently configurable via environment variables.
+            if (sentinelPortEnvVariableValue.empty())
+            {
+                validateAndSetDbType("redis-standalone", databaseConfiguration, sourceForDatabaseConfiguration);
+                if (dbPortEnvVariableValue.empty())
+                    parseDatabaseServersConfigurationFromString(databaseConfiguration, dbHostEnvVariableValue, sourceForDatabaseConfiguration);
+                else
+                    parseDatabaseServersConfigurationFromString(databaseConfiguration, dbHostEnvVariableValue + ":" + dbPortEnvVariableValue, sourceForDatabaseConfiguration);
+            }
+            else
+            {
+                if (dbClusterAddrListEnvVariableValue.empty())
+                    validateAndSetDbType("redis-sentinel", databaseConfiguration, sourceForDatabaseConfiguration);
+                else {
+                    validateAndSetDbType("sdl-cluster", databaseConfiguration, sourceForDatabaseConfiguration);
+                    parseDatabaseServersConfigurationFromString(databaseConfiguration,
+                                                                dbClusterAddrListEnvVariableValue,
+                                                                dbClusterAddrListEnvVariableName);
+                }
+                databaseConfiguration.checkAndApplySentinelAddress(dbHostEnvVariableValue + ":" + sentinelPortEnvVariableValue);
+                databaseConfiguration.checkAndApplySentinelMasterName(sentinelMasterNameEnvVariableValue);
+            }
         }
         else
             parseDatabaseConfigurationTree(databaseConfiguration, jsonDatabaseConfiguration, sourceForDatabaseConfiguration);