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Posted to bugs@httpd.apache.org by bu...@apache.org on 2011/11/30 20:51:42 UTC
DO NOT REPLY [Bug 52264] New: Update and complete balancer-manager
XML output
https://issues.apache.org/bugzilla/show_bug.cgi?id=52264
Bug #: 52264
Summary: Update and complete balancer-manager XML output
Product: Apache httpd-2
Version: 2.4-HEAD
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: mod_proxy_balancer
AssignedTo: bugs@httpd.apache.org
ReportedBy: jim@riggs.me
Classification: Unclassified
Created attachment 28004
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28004
Full patch
As discussed in
http://www.mail-archive.com/dev%40httpd.apache.org/msg53026.html, here is a 2.4
patch that provides more complete XML output for balancer-manager. I have been
using a 2.2 version of this patch in production for probably 2.5 years or more
now. Having more complete XML output allows for much better/simpler automated
monitoring of mod_proxy balancers.
What it does:
* Removes the nonce requirement for XML output (which is read-only anyway).
* Provides all (useful) fields of the proxy_balancer_shared struct.
* Provides all (useful) fields of the proxy_worker_shared struct.
* Can limit the output to a specific balancer (bsel) and worker (wsel) via the
same b and w params used by html. This is useful for monitoring.
Notes:
* I tried to use the configuration names for the struct fields in the XML (e.g.
stickysession vs. sticky, nofailover vs. sticky_force).
* I tried to output the configuration units for the struct fields in the XML
(e.g. seconds vs. microseconds for timeout).
* I'm not sure what people will think of the code style, but the big
ap_rprintf() calls seemed to give the most readable code.
* Can anyone find a better way to create the worker status field string?
* Admittedly, I'm not sure what all of the struct fields are, so it may not
make sense to include all of them. I cut some out, but what about others (e.g.
flusher, is_address_reusable)?
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DO NOT REPLY [Bug 52264] Update and complete balancer-manager XML
output
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52264
--- Comment #4 from Jim Riggs <ji...@riggs.me> 2011-11-30 19:55:33 UTC ---
Created attachment 28008
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28008
Sample specified balancer and worker output (?xml&b=...&w=...)
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DO NOT REPLY [Bug 52264] Update and complete balancer-manager XML
output
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52264
--- Comment #2 from Jim Riggs <ji...@riggs.me> 2011-11-30 19:54:22 UTC ---
Created attachment 28006
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28006
Sample full output (?xml)
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DO NOT REPLY [Bug 52264] Update and complete balancer-manager XML
output
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52264
--- Comment #3 from Jim Riggs <ji...@riggs.me> 2011-11-30 19:55:02 UTC ---
Created attachment 28007
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28007
Sample specified balancer output (?xml&b=...)
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DO NOT REPLY [Bug 52264] Update and complete balancer-manager XML
output
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52264
Jim Riggs <ji...@riggs.me> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #28004|0 |1
is patch| |
Attachment #28004|application/octet-stream |text/plain
mime type| |
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DO NOT REPLY [Bug 52264] Update and complete balancer-manager XML
output
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52264
--- Comment #1 from Jim Riggs <ji...@riggs.me> 2011-11-30 19:52:42 UTC ---
Created attachment 28005
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28005
Patch ignoring whitespace for those who want to take a quick look
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