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From "Alex Rudyy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-5998) [Java Broker] HA operational logging messages should be consistent in use of tense and terse phrasing
Date Thu, 14 Aug 2014 16:14:13 GMT
Alex Rudyy created QPID-5998:
--------------------------------

             Summary: [Java Broker] HA operational logging messages should be consistent in
use of tense and terse phrasing
                 Key: QPID-5998
                 URL: https://issues.apache.org/jira/browse/QPID-5998
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
            Reporter: Alex Rudyy
            Assignee: Alex Rudyy
            Priority: Blocker
             Fix For: 0.30


 HA operational logging needs to follow the existing operational logging format which is:
{noformat}
[subject] [object] [message]
{noformat}
* subject, is a principal of a user or entity performing operation or reporting the message
* object, is an entity on which the operation is invoked or a source of a message
* message, operational logging message

h4. Subjects
For operations performed by operator an operator principal should be provided in a subject,
for example
{noformat}
[mng:admin(/127.0.0.1:49540)] 
{noformat}

For operational log messages reported on a local node about remote node changes, a special
Subject should be created identifying the local node in format
{noformat}
[grp(/{0})vhn(/{1}))]
{noformat}
* \{0\}, group name
* \{1\}, node name

For example
{noformat}
[grp(/high_availability)vhn(/node1))] 
{noformat}

where 'high_availability' is a group name and 'node1' is a node name

h4. Objects
If operation is performed on a local node and it effects the local node, a local node object
needs to be specified in format
{noformat}
[grp(/{0})vhn(/{1})]
{noformat}
* \{0\}, group name
* \{1\}, node name

If operation is performed/reported on a remote node or affects the entire group the group
object should be provided in format
{noformat}
[grp(/{0})]
{noformat}

h4. Messages
We agreed to extend the current set of operational logging messages to report cases when remote
node is added into a group for a first time and when remote node is deleted.

Operational log for local node creation

Subject: operator subject,  ex [mng:admin(/127.0.0.1:49540)]  
Object: local node object, [grp(/{0})vhn(/{1})]
Message: HA-1001 : Created


Operational log for local node deletion

Subject: operator subject,  ex [mng:admin(/127.0.0.1:49540)]  
Object: local node object, [grp(/{0})vhn(/{1})]
Message: HA-1002 : Deleted


Operational log for a remote node added into a group for a first time

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: group object, [grp(/{0}))]
Message: HA-1003 : Added : Node : ''{0}'' ({1})
* \{0\}, node name
* \{1\}, node address


Operational log for a remote node deleted from a group

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: group object, [grp(/{0}))]
Message: HA-1004 : Removed : Node : ''{0}'' ({1})
* \{0\}, node name
* \{1\}, node address


Operational log for a remote node joining a group (attaching)

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: group object, [grp(/{0}))]
Message: HA-1005 : Joined : Node : ''{0}'' ({1})
* \{0\}, node name
* \{1\}, node address


Operational log for a remote node leaving a group (detaching)

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: group object, [grp(/{0}))]
Message: HA-1006 : Left : Node : ''{0}'' ({1})
* \{0\}, node name
* \{1\}, node address


Operational log for requesting a transfer master on a node

Subject: operator subject,  ex [mng:admin(/127.0.0.1:49540)]  
Object: group object, [grp(/\{0\})]
Message: HA-1007 : Master transfer requested : to ''{0}'' ({1})
* \{0\}, node name
* \{1\}, node address


Operational log for intruder node detected

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: group object, [grp(/\{0\})]
Message: HA-1008 : Intruder detected : Node ''{0}'' ({1})
* \{0\}, node name
* \{1\}, node address


Operational log when master looses majority

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: group object, [grp(/\{0\})]
Message: HA-1009 : Insufficient replicas contactable


Operational log for role being changed on local or remote node

Subject: local node subject,  [grp(/{0})vhn(/{1})]
Object: groupobject, [grp(/\{0\})]
Message: HA-1010 : Role changed reported: Node ''{0}'' ({1}) from ''{2}'' to ''{3}''
* \{0\}, node name
* \{1\}, node address
* \{2\}, previous role
* \{3\}, new role


Operational log for attribute change: quorumOverride

Subject: operator subject,  ex [mng:admin(/127.0.0.1:49540)]  
Object: local node object, [grp(/{0})vhn(/{1})]
Message: HA-1011 : Minimum group  : {0}
* \{0\}, new value


Operational log for attribute change: priority

Subject: operator subject,  ex [mng:admin(/127.0.0.1:49540)]  
Object: local node object, [grp(/{0})vhn(/{1})]
Message: HA-1012 : Priority  : {0}
* \{0\}, new value


Operational log for attribute change: designatedPrimary

Subject: operator subject,  ex [mng:admin(/127.0.0.1:49540)]  
Object: local node object, [grp(/{0})vhn(/{1})]
Message: HA-1013 : Designated primary : {0}
* \{0\}, new value




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