Transfer request ID in chunk events

[fvennetier]

Transfer request ID in chunk events.

• Rawx forwards incoming request ID to outgoing events
• Event-agent uses this request ID when indexing chunks in rdir
• oio-blob-indexer identifies itself with a custom request ID header

Relates to #1346

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

• oio-event-agent
• oio-blob-indexer
• rawx

SDS VERSION

openio 4.1.25.dev6

ADDITIONAL INFORMATION

Before:

Jun 07 17:32:00.893062 linux-cgzg OIO,NS,event-agent,1[39916]: 39916 7FCB35CBA370 log WARNING chunk delete failed: '<urllib3.connection.HTTPConnection object at 0x7fcb35639d50>: Failed to establish a new connection: [Errno 111] ECONNREFUSED'

After:

Jun 07 17:32:00.893062 linux-cgzg OIO,NS,event-agent,1[39916]: 39916 7FCB35CBA370 log WARNING chunk delete failed: ('reqid=9BEC2A0DFCDC2D809092FA49FE2EC374, host=127.0.0.1:6023', '<urllib3.connection.HTTPConnection object at 0x7fcb35639d50>: Failed to establish a new connection: [Errno 111] ECONNREFUSED')

[codecov-io]

Codecov Report

Merging #1488 into 4.1.x will increase coverage by 3.93%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##            4.1.x    #1488      +/-   ##
==========================================
+ Coverage   73.92%   77.85%   +3.93%     
==========================================
  Files         311      311              
  Lines       58359    58372      +13     
  Branches     6857     6852       -5     
==========================================
+ Hits        43142    45448    +2306     
+ Misses      15213    12708    -2505     
- Partials        4      216     +212

Impacted Files	Coverage Δ
rawx-apache2/src/rawx_internals.c	77.61% <100%> (+0.68%)	⬆️
rawx-apache2/src/rawx_event.c	57.77% <100%> (+4.44%)	⬆️
events/oio_events_queue.c	81.44% <100%> (+23.83%)	⬆️
oio/blob/indexer.py	76.92% <100%> (+0.25%)	⬆️
proxy/transport_http.c	86.33% <100%> (ø)	⬆️
oio/event/evob.py	57.77% <50%> (+0.95%)	⬆️
oio/rdir/client.py	68.44% <57.69%> (+0.57%)	⬆️
proxy/cache_actions.c	60% <0%> (-9.15%)	⬇️
proxy/dir_actions.c	68.88% <0%> (-7.94%)	⬇️
proxy/m2_actions.c	78.75% <0%> (-7.48%)	⬇️
... and 67 more

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