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authorAric Gardner <agardner@linuxfoundation.org>2020-04-10 16:21:31 -0400
committerAric Gardner <agardner@linuxfoundation.org>2020-04-10 16:35:18 -0400
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-.. ============LICENSE_START==========================================
-.. ===================================================================
-.. Copyright © 2017 AT&T Intellectual Property. All rights reserved.
-.. ===================================================================
-.. Licensed under the Creative Commons License, Attribution 4.0 Intl. (the "License");
-.. you may not use this documentation except in compliance with the License.
-.. You may obtain a copy of the License at
-..
-.. https://creativecommons.org/licenses/by/4.0/
-..
-.. Unless required by applicable law or agreed to in writing, software
-.. distributed under the License is distributed on an "AS IS" BASIS,
-.. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-.. See the License for the specific language governing permissions and
-.. limitations under the License.
-.. ============LICENSE_END============================================
-.. ECOMP is a trademark and service mark of AT&T Intellectual Property.
-
-APPC Logging Guide
-==================
-
-The APPC modules manage logging functionality according to the logging
-configuration file ``org.ops4j.pax.logging.cfg``. APPC configuration defines
-the location of the logging configuration file. Each APPC module
-configured to generate logs reads the configuration file periodically
-and generates logs according to the current logging level.
-
-Logging Architecture
----------------------
-
-The following diagram illustrates the APPC logging architecture.
-
-|image0|
-
-Log Types
----------
-
-APPC generates several types of logs to capture information needed to
-operate, troubleshoot, and report on performance:
-
-- **Audit Log**: The Audit Log provides a summary view of the
- processing of a request – a transaction – within an application. It
- captures activity requests received by APPC and includes such
- information as the time the activity initiated, when it finishes, and
- the API invoked at the component.
-
-- **Metric Log**: The Metrics Log provides a more detailed view into
- the processing of a transaction within APP-C. It captures the
- beginning and ending of activities necessary to complete the
- transaction within APPC modules, for example, the Dispatcher module,
- and other ONAP components such as A&AI.
-
-- **Error Log**: The Error Log captures INFO, WARN, ERROR, and FATAL
- conditions sensed (“exception handled”) by the APPC software
- components.
-
-- **Debug Log**: The optional Debug Log captures data that may be required to debug and correct abnormal conditions of the application.
-
-
-The APPC modules manage logging functionality according to the logging
-configuration file ``org.ops4j.pax.logging.cfg``. APPC configuration defines
-the location of the logging configuration file. Each APPC module
-configured to generate logs reads the configuration file periodically
-and generates logs according to the current logging level.
-
-Logging Levels
-~~~~~~~~~~~~~~
-
-+-------------+----------------+---------------+-------------+-------------+------------+
-| **Level** | **Log type** |
-+=============+================+===============+=============+=============+============+
-| | | **Errors** |
-+-------------+----------------+---------------+-------------+-------------+------------+
-| | **Audit** | **Metrics** | **FATAL** | **ERROR** | **WARN** |
-+-------------+----------------+---------------+-------------+-------------+------------+
-| OFF | No | No | No | No | No |
-+-------------+----------------+---------------+-------------+-------------+------------+
-| FATAL | Yes | Yes | Yes | No | No |
-+-------------+----------------+---------------+-------------+-------------+------------+
-| ERROR | Yes | Yes | Yes | Yes | No |
-+-------------+----------------+---------------+-------------+-------------+------------+
-| WARN | Yes | Yes | Yes | Yes | Yes |
-+-------------+----------------+---------------+-------------+-------------+------------+
-
-Response Codes
-~~~~~~~~~~~~~~
-
-+----------------------------+--------------------------------+
-| **Response code ranges** | **Error type** |
-+============================+================================+
-| 100-199 | Permission errors |
-+----------------------------+--------------------------------+
-| 200-299 | Availability errors/Timeouts |
-+----------------------------+--------------------------------+
-| 300-399 | Data errors |
-+----------------------------+--------------------------------+
-| 400-499 | Schema errors |
-+----------------------------+--------------------------------+
-| 500-599 | Business process errors |
-+----------------------------+--------------------------------+
-| 900-999 | Unknown errors |
-+----------------------------+--------------------------------+
-
-Logging Output
----------------
-
-APPC generates logging output according to Event and Error Logging Framework(EELF)requirements in the
-following format:
-
-Error Log
-~~~~~~~~~~
-
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| **Field** | **Description** |
-+=========================+=================================================================================================================================================================================================================================================+
-| Timestamp | Date-time when error occurs in UTC. |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| RequestID | Universally unique transaction requestID (UUID). |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ThreadId | Blank |
-| | |
-| | This traces processing of a request over a number of threads of a single ONAP component. |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ServiceName | Externally advertised API invoked by clients of this component, for example, "Audit", "HealthCheck". |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| PartnerName | Client or user invoking the API. |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| TargetEntity | ONAP component/subcomponent or non-ONAP entity invoked for this suboperation’s activities, for example, A&AI, VF, VM, MySql. |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| TargetServiceName | Known name of External API/operation activities invoked on TargetEntity (ONAP component/subcomponent or non-ONAP entity), for example, VM UUID, VF UUID. |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ErrorCategory | WARN or ERROR |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ErrorCode | Code representing the error condition according to the error categories. |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ErrorDescription | Human readable description of the error - Error name, for example: "CONFIGURATION\_STARTED". |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| detailMessage | This field may contain any additional information useful in describing the error condition, for example: |
-| | |
-| | ``Application Controller (APP-C) initialization started at {0}|\`` |
-| | ``No resolution is required, this is an informational message|\`` |
-| | ``The APP-C component configuration has been started because the component is being initialized or loaded for the first time, or a new instance of the component is being created. This message indicates that the component is starting.`` |
-+-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-
-Debug Log
-~~~~~~~~~
-
-+-----------------+------------------------------------------------------------+
-| **Field** | **Description** |
-+=================+============================================================+
-| Timestamp | Date-time of the log record. |
-+-----------------+------------------------------------------------------------+
-| RequestID | Universally unique transaction requestID (UUID). |
-+-----------------+------------------------------------------------------------+
-| DebugInfo | Debug Information |
-+-----------------+------------------------------------------------------------+
-| End of Record | Designates the logical end of a multi-line debug record. |
-+-----------------+------------------------------------------------------------+
-
-Audit Log
-~~~~~~~~~
-
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| **Field** | **Description** |
-+======================================+===========================================================================================================================================================================================================+
-| BeginTimestamp | Date-time of the start of a request activity. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| EndTimestamp | Date-time of the end of a request activity. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| RequestID | Universally unique transaction request ID (UUID). |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| serviceInstanceID | Uniquely identifies a service instance, for example, “service graph”. The primary key, for example, in A&AI, to reference or manage the service instance as a unit. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| threadId | Empty |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| physical/virtual server name   | Empty (the value added by the log files collecting agent). |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| serviceName  | Externally advertised API invoked by clients of this component, for example, "Audit", "HealthCheck". |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| PartnerName | Client or user invoking the API.   |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| StatusCode | High-level success or failure of the request (COMPLETE or ERROR). |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ResponseCode | Application specific response code - LCM API error codes categorized according to the logging categories. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ResponseDescription | Human readable description of the application specific response code, for example, "INVALID INPUT PARAMETER - ${detailedErrorMsg}". |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| instanceUUID | Universally unique identifier to differentiate between multiple instances of the same (named), log writing component - the specific APPC instance UUID. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Category log level | Enum: “INFO” \| “WARN” \|”DEBUG” \| “ERROR” \| “FATAL”. Current log level for the entire APP-C. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Severity | Blank |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Server IP address  | Blank |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ElapsedTime | Elapsed time to complete processing of an API or request at the granularity available to the component system. This value should be the difference between BeginTimestamp and EndTimestamp fields.  |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Server | VM FQDN if virtualized, otherwise the host name of the logging component.  |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ClientIPaddress | Requesting remote client application’s IP address if known, otherwise empty. |
-+--------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-
-Metrics Log
-~~~~~~~~~~~
-
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| **Field** | **Description** |
-+===============================================+==================================================================================================================================================================================================================+
-| BeginTimestamp | Date-time when a suboperation activity is begun in UTC |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| EndTimestamp | Date-time when a supoperation activity is completed in UTC |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| RequestID | Universally unique transaction request ID (UUID) |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| serviceInstanceID       | VMUUID, VFUUID |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| threadId | Optional |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| physical/virtual server name | Empty if its value can be added by the log files collecting agent. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| serviceName | For example: "Audit", "HealthCheck" etc |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| PartnerName Client or user invoking the API | |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| TargetEntity  | APPC internal subcomponent, for example, MD-SAL, or external component, for example, A&AI, SSH, Netconf, invoked for this suboperation. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| TargetServiceName   | Operation activities invoked on TargetEntity e.g. A&AI GET generic- vnf |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| StatusCode | High level success or failure of the suboperation activities (COMPLETE or ERROR) |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ResponseCode | Specific response code returned by the suboperation activities. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ResponseDescription | Human readable description of the response code. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| instanceUUID  | APPC instance ID. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Category log level | Enumerated values: “INFO” \| “WARN” \|”DEBUG” \| “ERROR” \| “FATAL”. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Severity | Empty |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Server IP address | The logging component host server’s IP address. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ElapsedTime | Elapsed time to complete processing of the sub operation activities at the granularity available to the component system.  This value should be the difference between EndTimestamp and BeginTimestamp fields. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Server | VM FQDN if virtualized, otherwise the host name of the logging component. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ClientIP | Requesting remote client application’s IP address. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| class name | Optional. The name of the class that has caused the log record creation. For OO programing languages that support this concept. |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| Unused  | |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| ProcessKey | Optional |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| TargetVirtualEntity | Empty |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| CustomField1 | Empty (specific attributes exposed by developers) |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| CustomField2 | Empty |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| CustomField3 | Empty |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| CustomField4 | Empty |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| detailMessage | Empty |
-+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-
-Log File Locations
-------------------
-
-The logging configuration file, ``org.ops4j.pax.logging.cfg`` are located in
-appc Git repository:
-
-``/appc/appc-common/src/main/resources/org/onap/appc/org.ops4j.pax.logging.cfg``
-
-
-The logs are stored at the location defined by the appropriate appender:
-
-``log4j.appender.error.File=${karaf.data}/log/APPC/appc-error.log``
-
-``log4j.appender.debug.file=${karaf.data}/log/APPC/appc-debug.log``
-
-``log4j.appender.metric.File=${karaf.data}/log/APPC/appc-metric.log``
-
-``log4j.appender.audit.File=${karaf.data}/log/APPC/appc-audit.log``
-
-
-Enabling APPC Logging
-----------------------
-
-APPC uses Event and Error Logging Framework (EELF) for application logs.
-To enable EELF logging:
-
-1. Replace the default configuration file located at
- ``/opt/opendaylight/current/etc/org.ops4j.pax.logging.cfg``
-
- with the configuration file that is checked into git:
-
- ``/appc/appc-common/src/main/resources/org/onap/appc/org.ops4j.pax.logging.cfg``
-
-2. Stop and restart ODL controller for the configuration changes to take
- effect.
-
-3. Verify logging changes at the following log paths:
-
- - ``/opt/opendaylight/current/data/log/eelf/karaf.log``
- This log contains the regular karaf.log output reformatted to use
- the EELF MDC properties and the pattern that is configured in the
- ``org.ops4j.pax.logging.cfg`` file.
- - ``/opt/opendaylight/current/data/log/APPC/<package-name>``
- This directory contains the audit, metric, error, and debug logs that are configured in the ``org.ops4j.pax.logging.cfg`` file.
-
-
-**Note:**
- ``/opt/opendaylight/current/data/log/APPC/controller`` contains the logs generated from the package ``org.openecomp.\*`` (all APPC logs)
-
-- Error.log: alarms –ERROR level logs and above
-
-- Info.log: INFO level logs only
-
-- Debug.log: debugging – DEBUG level and above
-
-- Audit – AUDIT level and above
-
-Log Rotation
-------------
-
-Log rotation is performed after every 100 MB size limit is reached. The
-log rotation interval is defined as part of the EELF framework.
-
-.. |image0| image:: APPCLoggingArchitecturediagram.png
- :width: 6.49097in
- :height: 3.46181in
-
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