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Diffstat (limited to 'docs/specs/logging_enablement.rst')
| -rw-r--r-- | docs/specs/logging_enablement.rst | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/docs/specs/logging_enablement.rst b/docs/specs/logging_enablement.rst index 5fb639e..a717286 100644 --- a/docs/specs/logging_enablement.rst +++ b/docs/specs/logging_enablement.rst @@ -6,8 +6,10 @@ Multi-Vim logging ================= -The purpose of logging is to generate machine-readable, indexable output logs and support to trace -requests through sub-component, it need to ship logs to logging enhancement project a centralized +The purpose of logging is to generate machine-readable, indexable output logs +and support to trace +requests through sub-component, it need to ship logs to logging enhancement +project a centralized logging analysis system capturing diagnostic information. @@ -15,13 +17,17 @@ logging analysis system capturing diagnostic information. Problem Description =================== -So far the logging of multi-vim is not able to support customer configuration, handler context specific logging like -MDC[MDC_Document]_, also it dose't propagate transaction-ID in REST headers which is critical to tracing request. -There are 4 python containers in oom project need to configure filebeat container for shipping logs. +So far the logging of multi-vim is not able to support customer configuration, +handler context specific logging like +MDC[MDC_Document]_, also it dose't propagate transaction-ID in REST headers +which is critical to tracing request. +There are 4 python containers in oom project need to configure filebeat +container for shipping logs. .. [MDC_Document] https://wiki.onap.org/display/DW/ONAP+Application+Logging+Guidelines+v1.1#ONAPApplicationLoggingGuidelinesv1.1-MDCs -In addition the current logging is very difficult to understand behavior and performance. +In addition the current logging is very difficult to understand behavior +and performance. Proposed Change @@ -32,8 +38,10 @@ The proposed change will include three parts. Filebeat container ------------------ -Logging architecture[Log_Architecture]_ use Filebeat collects logs from multi-vim containers and ships them to the -centralized logging stack. To enable this feature it need to add Filebeat container in multi-vim pod that was +Logging architecture[Log_Architecture]_ use Filebeat collects logs from +multi-vim containers and ships them to the +centralized logging stack. To enable this feature it need to add Filebeat +container in multi-vim pod that was deployed by OOM, as well Yaml file will be used to configure Filebeat. .. [Log_Architecture] https://wiki.onap.org/display/DW/Logging+Architecture @@ -41,12 +49,15 @@ deployed by OOM, as well Yaml file will be used to configure Filebeat. Tracing ID ---------- -ONAP logging uses a global unique "RequestID"[RequestID_Document]_ in logging to track the processing of each request -across all the components, multi-vim will receive this id from http header by vary "X-TransactionID", then record it -in logs. -Meanwhile single component should generate a InvocationID that records the relationship between RequestID -and InvocationID for proper tracing. So Mulit-vim will set unique InvocationID for each single request,also output it +ONAP logging uses a global unique "RequestID"[RequestID_Document]_ in logging +to track the processing of each request +across all the components, multi-vim will receive this id from http header +by vary "X-TransactionID", then record it in logs. +Meanwhile single component should generate a InvocationID that records the +relationship between RequestID +and InvocationID for proper tracing. So Mulit-vim will set unique InvocationID +for each single request,also output it in logs. .. [RequestID_Document] https://wiki.onap.org/pages/viewpage.action?pageId=20087036#ONAPApplicationLoggingGuidelinesv1.2(Beijing)-MDC-RequestID @@ -54,9 +65,12 @@ in logs. python AOP logging library -------------------------- -Currently logging enhancement project just has java AOP logging library, For multi-vim which based on python need -a python version. The basic feature of AOP logging library could provide customer configuration include retention -policy、output location、text output format、message level and so on, support MDC context specific logging, able to +Currently logging enhancement project just has java AOP logging library, For +multi-vim which based on python need +a python version. The basic feature of AOP logging library could provide +customer configuration include retention +policy、output location、text output format、message level and so on, support +MDC context specific logging, able to change configuration at runtime, and make logging quite fast. |