Change log for VERITAS_NETBACKUP

Date Changes
2025-10-23 Enhancement:
- Enhanced the grok pattern for event_datetime to extract the date along with the timezone.
2025-10-01 Enhancement:
- event.idm.read_only_udm.metadata.product_log_id: Newly mapped `product_id` raw log field with `event.idm.read_only_udm.metadata.product_log_id` UDM field.
- event.idm.read_only_udm.metadata.event_timestamp: Removed mapping of `ts` from `event.idm.read_only_udm.metadata.event_timestamp` UDM field and mapped `event_datetime` instead if `event_datetime` is present.
- event.idm.read_only_udm.additional.fields: Newly mapped `event_ts` and `event_action` raw log field with `event.idm.read_only_udm.additional.fields` UDM field.
2025-09-08 Enhancement:
- event.idm.read_only_udm.additional.fields: Newly mapped originator_host, host_type, product, p_uuid, schedule, response_time_ms, reason raw log field(s) with event.idm.read_only_udm.additional.fields UDM field.
- event.idm.read_only_udm.principal.application: Newly mapped accessed_from raw log field(s) with event.idm.read_only_udm.principal.application UDM field.
- event.idm.read_only_udm.principal.hostname: Newly mapped p_hostname raw log field(s) with event.idm.read_only_udm.principal.hostname UDM field.
- event.idm.read_only_udm.principal.asset.hostname: Newly mapped p_hostname raw log field(s) with event.idm.read_only_udm.principal.asset.hostname UDM field.
- event.idm.read_only_udm.principal.ip: Newly mapped p_ip raw log field(s) with event.idm.read_only_udm.principal.ip UDM field.
- event.idm.read_only_udm.principal.asset.ip: Newly mapped p_ip raw log field(s) with event.idm.read_only_udm.principal.asset.ip UDM field.
- event.idm.read_only_udm.principal.port: Newly mapped p_port raw log field(s) with event.idm.read_only_udm.principal.port UDM field.
- event.idm.read_only_udm.principal.process.file.names: Newly mapped process_name raw log field(s) with event.idm.read_only_udm.principal.process.file.names UDM field.
- event.idm.read_only_udm.principal.user.userid: Newly mapped user_id raw log field(s) with event.idm.read_only_udm.principal.user.userid UDM field.
- event.idm.read_only_udm.target.hostname: Newly mapped login_host raw log field(s) with event.idm.read_only_udm.target.hostname UDM field.
- event.idm.read_only_udm.target.asset.hostname: Newly mapped login_host raw log field(s) with event.idm.read_only_udm.target.asset.hostname UDM field.
- event.idm.read_only_udm.target.ip: Newly mapped d_ip raw log field(s) with event.idm.read_only_udm.target.ip UDM field.
- event.idm.read_only_udm.target.asset.ip: Newly mapped d_ip raw log field(s) with event.idm.read_only_udm.target.asset.ip UDM field.
- event.idm.read_only_udm.target.port: Newly mapped d_port raw log field(s) with event.idm.read_only_udm.target.port UDM field.
- event.idm.read_only_udm.target.user.userid: Newly mapped target_user raw log field(s) with event.idm.read_only_udm.target.user.userid UDM field.
- event.idm.read_only_udm.observer.hostname: Newly mapped obs_hostname raw log field(s) with event.idm.read_only_udm.observer.hostname UDM field.
- event.idm.read_only_udm.observer.user.userid: Newly mapped app_user raw log field(s) with event.idm.read_only_udm.observer.user.userid UDM field.
- event.idm.read_only_udm.security_result.action: Newly mapped exit_code raw log field(s) with event.idm.read_only_udm.security_result.action UDM field.
- event.idm.read_only_udm.security_result.action_details: Newly mapped auth_status raw log field(s) with event.idm.read_only_udm.security_result.action_details UDM field.
- event.idm.read_only_udm.security_result.description: Newly mapped operation raw log field(s) with event.idm.read_only_udm.security_result.description UDM field.
- event.idm.read_only_udm.security_result.rule_name: Newly mapped policy_name raw log field(s) with event.idm.read_only_udm.security_result.rule_name UDM field.
- event.idm.read_only_udm.metadata.product_event_type: Newly mapped event_category raw log field(s) with event.idm.read_only_udm.metadata.product_event_type UDM field.
- event.idm.read_only_udm.metadata.description: Newly mapped details raw log field(s) with event.idm.read_only_udm.metadata.description UDM field.
- Renamed from target to event.idm.read_only_udm.target.
- Renamed from observer to event.idm.read_only_udm.observer.
- event.idm.read_only_udm.metadata.event_type: If event_category contains "LOGIN" and target_user is present, updated to USER_LOGIN.
- event.idm.read_only_udm.metadata.event_type: If event_action is "ACCESS", updated to USER_RESOURCE_ACCESS.
- New grok patterns were introduced to parse two new Veritas NetBackup log formats.
- Additional grok logic was added to parse values from the details and summary fields.
2024-01-18 - Newly created parser.