* add hashfunc field to EntryFormatter struct and adjust NewEntryFormatter function and tests
* add HeaderAdjuster interface and require it in EntryFormatter
* adjust all references to NewEntryFormatter to include a HeaderAdjuster parameter
* replace use of hash function in AuditedHeadersConfig's ApplyConfig method with Salter interface instance
* export audit.NewEvent function and adjust function signature
* add eventlogger based handling in LogRequest
* adjust eventlogger.Broker according to number of backends
* record auditing metrics
* only send events if a pipeline is registered
* remove TODO comments
* remove unused struct and method
* move setup of audited headers earlier into Core's initialization
* adjust entry_formatter to properly handle request headers
* protect against potential segmentation fault
* moved common code out of both switch cases
* protect against case where a.Data.Request or a.Data.Request.Headers is nil
---------
Co-authored-by: Peter Wilson <peter.wilson@hashicorp.com>
* add hashfunc field to EntryFormatter struct and adjust NewEntryFormatter function and tests
* add HeaderAdjuster interface and require it in EntryFormatter
dquote> adjust all references to NewEntryFormatter to include a HeaderAdjuster parameter
* replace use of hash function in AuditedHeadersConfig's ApplyConfig method with Salter interface instance
* fixup! replace use of hash function in AuditedHeadersConfig's ApplyConfig method with Salter interface instance
* review feedback
* Go doc typo
* add another test function
---------
Co-authored-by: Peter Wilson <peter.wilson@hashicorp.com>
* begin refactoring of event package into audit package
* audit options additions
* rename option structs
* Trying to remove 'audit' from the start of names.
* typo
* typo
* typo
* newEvent required params
* typo
* comments on noop sink
* more refactoring - merge json/jsonx formatters
* fix file backend and tests
* Moved unexported funcs to formatter, fixed file tests
* typos, comments, moved func
* fix corehelpers
* fix backends (syslog, socket)
* Moved some sinks back to generic event package.
* return of the file sink
* remove unneeded sink params/return vars
* Implement Register and Deregister Audit Devices for EventLogger Framework (#21940)
* add function to create StdoutSinkNode
* add boolean argument to audit Factory function
* create eventlogger nodes in backend factory functions
* simplify NewNoopSink function and remove DiscardSinkNode
* make the sanity test in the file backend mutually exclusive based on useEventLogger value
* remove test cases that no longer made sense and were failing
* NewFileSink attempts to open file for sanity check
* fix FileSink tests and update FileSink to remove discard, stdout but add /dev/null
* Moved WithPrefix from FileSink to EventFormatter
* move prefix in backend
* NewFormatterConfig and Options (tests fixed)
* Little tidy up
* add test where audit file is created with useEventLogger set to true
* only create eventlogger.Node instances when useEventLogger is true
fix failing test due to invalid string conversion of FileMode value
* moved variable definition to more appropriate scope
---------
Co-authored-by: Marc Boudreau <marc.boudreau@hashicorp.com>
