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Comment: sync with logback.xml changes in patch 13 of https://gerrit.onap.org/r/#/c/62405/13 - and sync with these changes in the acumos wiki

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Freeform text (optional)
Pipe OrderNameTypeGroupDescription

Applicable

(per log file)

Marker Associations

Moved

MDC

to


standard

attribute


Removed

(was in

older

spec)

Required?

Y/N/C

(C= context dependent)

N = not required


DerivedAcumos
ref		Use Cases

Code References

1LogTimestamplog system
use %d field








2EntryTimestampMDC
if part of an ENTRY marker log



C



3InvokeTimestampMDC
if part of an INVOKE marker log



C



4

RequestID

MDC

UUID to track the processing of each client request across all the ONAP components involved in its processing





Y


In general

https://git.onap.org/logging-analytics/tree/reference/logging-slf4j-demo/src/test/java/org/onap/logging/ref/slf4j/demo/component/AbstractComponentTest.java

5InvocationIDMDC

UUID correlates log entries relating to a single invocation of a single component





Y



6InstanceUUIDMDC

UUID to differentiate between multiple instances of the same (named) log writing service/application





Y



7ServiceInstanceIDMDC





C



8Threadlog system
use %thread field








9ServiceName

The service inside the partner doing the call - includes API name





Y



10PartnerName

unauthenticated = The part of the URI specifying the agent that the caller used to make the call to the component that is logging the message.

authenticated = userid





Y
user

11StatusCode

This field indicates the high level status of the request - one of (COMPLETE, ERROR, INPROGRESS)






Y


20180807: expand from 2 fields to add "INPROGRESS"

addresses Chris Lott question on https://wiki.acumos.org/display/OAM/Log+Standards

12ResponseCode

This field contains application-specific error codes.



Y





13ResponseDesResponseDescription

This field contains a human readable description of the ResponseCode



Y





14Level

%level



C



15Severity

Logging level by default aligned with the reported log level - one of INFO/TRACE/DEBUG/WARN/ERROR/FATAL





Y
level (but numbers)

16ServerIPAddress






C



17ElapsedTime






C



18ServerFQDN

The VM FQDN if the server is virtualized. Otherwise the host name of the logging component.





Y





19ClientIPAddress

This field contains the requesting remote client application’s IP address if known. Otherwise empty.





Y





20VirtualServerNameMessage






C

Notes: re-added 20180807 - aligns with Acumos

Add specifically for debug/error but other audit/metrics are not required





21ContextName






C



22

EntryTimestamp

UTC Date-time that processing activities being logged begins - if part of an ENTRY marker

Csee calc of ElapsedTime

InvokeTimestamp

Timestamp on invocation start - if part of an INVOKE marker

CTargetEntity

The name of the ONAP component or sub-component, or external entity, at which the operation activities captured in this metrics log record is invoked.





C



23TargetServiceName

The name  of the API or operation activities invoked (name on the remote/target application) at the TargetEntity.  





C



24TargetElement

VNF/PNF context dependent - on CRUD operations of VNF/PNFs

The IDs that need to be covered with the above Attributes are

       -        VNF_ID OR VNFC_ID : (Unique identifier for a VNF asset that is being instantiated or that would generate an alarms)

       -        VSERVER_ID OR VM_ID (or vmid): (Unique identified for a virtual server or virtual machine on which a Control Loop action is usually taken on, or that is installed  as part of instantiation flow)

       -        PNF : (What is the Unique identifier used within ONAP)





C



25User
MDC




C



26Logger
log system%logger



C



27Mdc
log system%mdc



C



28Message
log system%msg



C



29RootException
log system%rootException



C



30Marker
log system%marker



C




Logging

Via SLF4J:

Code Block
languagejava
linenumberstrue
import java.util.UUID;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
// ...
final Logger logger = LoggerFactory.getLogger(this.getClass());
MDC.put("SomeUUID", UUID.randomUUID().toString());
try {
    logger.info("This message will have a UUID-valued 'SomeUUID' MDC attached.");
    // ...
}
finally {
    MDC.clear();
}

...