chore(analytics): opensearch client creation based on config (#7810)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

config/config.example.toml

@@ -887,6 +887,7 @@ region = "kms_region" # The AWS region used by the KMS SDK for decrypting data.
 
 [opensearch]
 host = "https://localhost:9200"
+enabled = false
 
 [opensearch.auth]
 auth = "basic"

config/deployments/env_specific.toml

@@ -242,6 +242,7 @@ region = "report_download_config_region"                     # Region of the buc
 
 [opensearch]
 host = "https://localhost:9200"
+enabled = false
 
 [opensearch.auth]
 auth = "basic"

config/development.toml

@@ -940,6 +940,7 @@ keys = "accept-language,user-agent,x-profile-id"
 
 [opensearch]
 host = "https://localhost:9200"
+enabled = false
 
 [opensearch.auth]
 auth = "basic"

config/docker_compose.toml

@@ -763,6 +763,7 @@ keys = "accept-language,user-agent,x-profile-id"
 
 [opensearch]
 host = "https://opensearch:9200"
+enabled = false
 
 [opensearch.auth]
 auth = "basic"

crates/analytics/src/opensearch.rs

@@ -71,6 +71,8 @@ pub struct OpenSearchConfig {
     host: String,
     auth: OpenSearchAuth,
     indexes: OpenSearchIndexes,
+    #[serde(default)]
+    enabled: bool,
 }
 
 impl Default for OpenSearchConfig {
@@ -91,12 +93,15 @@ impl Default for OpenSearchConfig {
                 sessionizer_refunds: "sessionizer-refund-events".to_string(),
                 sessionizer_disputes: "sessionizer-dispute-events".to_string(),
             },
+            enabled: false,
         }
     }
 }
 
 #[derive(Debug, thiserror::Error)]
 pub enum OpenSearchError {
+    #[error("Opensearch is not enabled")]
+    NotEnabled,
     #[error("Opensearch connection error")]
     ConnectionError,
     #[error("Opensearch NON-200 response content: '{0}'")]
@@ -176,6 +181,12 @@ impl ErrorSwitch<ApiErrorResponse> for OpenSearchError {
                 "Access Forbidden error",
                 None,
             )),
+            Self::NotEnabled => ApiErrorResponse::InternalServerError(ApiError::new(
+                "IR",
+                8,
+                "Opensearch is not enabled",
+                None,
+            )),
         }
     }
 }
@@ -408,15 +419,24 @@ impl OpenSearchAuth {
 }
 
 impl OpenSearchConfig {
-    pub async fn get_opensearch_client(&self) -> StorageResult<OpenSearchClient> {
+    pub async fn get_opensearch_client(&self) -> StorageResult<Option<OpenSearchClient>> {
-        Ok(OpenSearchClient::create(self)
+        if !self.enabled {
+            return Ok(None);
+        }
+        Ok(Some(
+            OpenSearchClient::create(self)
                 .await
-            .map_err(|_| StorageError::InitializationError)?)
+                .change_context(StorageError::InitializationError)?,
+        ))
     }
 
     pub fn validate(&self) -> Result<(), ApplicationError> {
         use common_utils::{ext_traits::ConfigExt, fp_utils::when};
 
+        if !self.enabled {
+            return Ok(());
+        }
+
         when(self.host.is_default_or_empty(), || {
             Err(ApplicationError::InvalidConfigurationValueError(
                 "Opensearch host must not be empty".into(),
@@ -430,6 +450,7 @@ impl OpenSearchConfig {
         Ok(())
     }
 }
+
 #[derive(Debug, serde::Deserialize, PartialEq)]
 #[serde(rename_all = "lowercase")]
 pub enum OpenSearchHealthStatus {

crates/router/src/analytics.rs

@@ -2245,7 +2245,10 @@ pub mod routes {
                     .collect();
 
                 analytics::search::msearch_results(
-                    &state.opensearch_client,
+                    state
+                        .opensearch_client
+                        .as_ref()
+                        .ok_or_else(|| error_stack::report!(OpenSearchError::NotEnabled))?,
                     req,
                     search_params,
                     SEARCH_INDEXES.to_vec(),
@@ -2392,7 +2395,14 @@ pub mod routes {
                             })
                     })
                     .collect();
-                analytics::search::search_results(&state.opensearch_client, req, search_params)
+                analytics::search::search_results(
+                    state
+                        .opensearch_client
+                        .as_ref()
+                        .ok_or_else(|| error_stack::report!(OpenSearchError::NotEnabled))?,
+                    req,
+                    search_params,
+                )
                 .await
                 .map(ApplicationResponse::Json)
             },

crates/router/src/core/health_check.rs

@@ -138,12 +138,15 @@ impl HealthCheckInterface for app::SessionState {
     async fn health_check_opensearch(
         &self,
     ) -> CustomResult<HealthState, errors::HealthCheckDBError> {
-        self.opensearch_client
+        if let Some(client) = self.opensearch_client.as_ref() {
+            client
                 .deep_health_check()
                 .await
                 .change_context(errors::HealthCheckDBError::OpensearchError)?;
-
             Ok(HealthState::Running)
+        } else {
+            Ok(HealthState::NotApplicable)
+        }
     }
 
     async fn health_check_outgoing(

crates/router/src/routes/app.rs

@@ -118,7 +118,7 @@ pub struct SessionState {
     pub base_url: String,
     pub tenant: Tenant,
     #[cfg(feature = "olap")]
-    pub opensearch_client: Arc<OpenSearchClient>,
+    pub opensearch_client: Option<Arc<OpenSearchClient>>,
     pub grpc_client: Arc<GrpcClients>,
     pub theme_storage_client: Arc<dyn FileStorageInterface>,
     pub locale: String,
@@ -223,7 +223,7 @@ pub struct AppState {
     #[cfg(feature = "olap")]
     pub pools: HashMap<id_type::TenantId, AnalyticsProvider>,
     #[cfg(feature = "olap")]
-    pub opensearch_client: Arc<OpenSearchClient>,
+    pub opensearch_client: Option<Arc<OpenSearchClient>>,
     pub request_id: Option<RequestId>,
     pub file_storage_client: Arc<dyn FileStorageInterface>,
     pub encryption_client: Arc<dyn EncryptionManagementInterface>,
@@ -342,12 +342,12 @@ impl AppState {
 
             #[allow(clippy::expect_used)]
             #[cfg(feature = "olap")]
-            let opensearch_client = Arc::new(
+            let opensearch_client = conf
-                conf.opensearch
+                .opensearch
                 .get_opensearch_client()
                 .await
-                    .expect("Failed to create opensearch client"),
+                .expect("Failed to initialize OpenSearch client.")
-            );
+                .map(Arc::new);
 
             #[allow(clippy::expect_used)]
             let cache_store = get_cache_store(&conf.clone(), shut_down_signal, testable)
@@ -501,7 +501,7 @@ impl AppState {
             #[cfg(feature = "email")]
             email_client: Arc::clone(&self.email_client),
             #[cfg(feature = "olap")]
-            opensearch_client: Arc::clone(&self.opensearch_client),
+            opensearch_client: self.opensearch_client.clone(),
             grpc_client: Arc::clone(&self.grpc_client),
             theme_storage_client: self.theme_storage_client.clone(),
             locale: locale.unwrap_or(common_utils::consts::DEFAULT_LOCALE.to_string()),