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  8. May 21, 2016
    • Jim Jagielski's avatar
      Merge r1722177, r1722195, r1722229, r1722320, r1722328, r1722334, r1722350,... · 27853774
      Jim Jagielski authored
      Merge r1722177, r1722195, r1722229, r1722320, r1722328, r1722334, r1722350, r1722351, r1722358, r1722377, r1723953, r1724879, r1724992, r1724993, r1724995, r1725018, r1725031, r1725120, r1725328, r1725387, r1725489, r1725498, r1725499, r1725523, r1725545, r1725567, r1725581, r1725602, r1725822, r1725967, r1726038, r1726049, r1726051, r1726052, r1726055, r1725090, r1728326, r1737020 from trunk:
      
      Commit framework impl of health-check module plus
      required changes. The actual health checking is
      currently in progress, but wanted to add in at
      this stage.
      
      Make aware of new status: Failed Health Check.
      Store the number of current passes/fails in shm
      
      finish looping logic... place-holder for actual checking
      
      Better check
      
      move to per server conf, useful for adding HealthCheckCondition
      
      Now implement the condition ruleset definition. The
      actual checking will be done in the actual health check
      routine.
      
      just check watched servers... use 'hc' prefix for sub directives
      
      Check that we have names for both templates and
      conditions
      
      command changes
      
      Don't bother w/ methods that return bodies. We don't
      handle them now anyway.
      
      Use enums and structs to keep things better organized
      
      1st cut of 'simple' tcp check... We reuse various proxy
      function and so this *could* be more streamlined, but
      use this to show how the other would work, since we need
      brigades, SSL/TLS support, etc.
      
      Since every check needs this, do this in the main
      check loop. Allows some optimizations.
      
      move scope
      
      pull this out... large enough for a func
      
      Move to a set of health check workers, mapping to
      each worker itself, instead of a single reused generic
      worker.
      
      some ordering optimization
      
      Make balancer manager health-check aware
      
      And we now allow for health checks via OPTIONS *
      
      Leverage the OPTIONS code for HEAD as well...
      So we now support: TCP, OPTIONS and HEAD.
      
      Right now, anything other than an error (even a 404)
      is consider a PASS.
      
      Fill in APLOGNO.
      
      I hope that doesn't result in merge trouble
      for Jim.
      
      
      Open up hook/scar to allow for passes/fails and
      method to be changed via bal-man...
      
      OPTIONS/HEAD proxy function should be diff from simple TCP check
      
      For OPTIONS and HEAD, only 2xx and 3xx are considered "passing"
      (until I implement the conditions expr testing)... honor
      the pass/fail count and LOG_INFO when the health check enables
      or disables a backend worker.
      
      Start impl of expr conditions for runtime checks
      
      Adjust log levels
      
      correct error string
      
      Use worker status character defines taken
      from mod_proxy.h instead of explicit characters.
      
      Noted by rpluem.
      
      
      With the updated ap_expr, we can now check for the
      returned response body, stored in kept_body
      
      Assign log message tags
      
      
      Implement expr lookup in mod_proxy_hcheck for
      variables whose names start with "HC_" and for
      the new function hc().
      
      Currently only HC_BODY and hc(body) are supported.
      Both return the saved body of the health check
      response to be used in an expr that decides about
      success of a check.
      
      
      Fix copy&paste error in new function.
      
      
      Try fixing new proxy_hcheck expr extension.
      
      Interestingly mod_ssl using NULL as well,
      but some other module I wrote uses parms->name.
      
      
      Adjust
      
      clash :)
      
      
      Enabling a worker via health-check also moves them out of
      ERROR more (which may have been set via the static
      "health" check done via mod_proxy).
      
      Some flow improvements...
      
      Submitted by: jim, rjung, jim, jim, jim, jim, jim, jim, rjung, jim, jim, rjung, rjung, rjung, jim, jim, olegk, jim, jim
      Reviewed/backported by: jim
      
      
      git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1744951 13f79535-47bb-0310-9956-ffa450edef68
      27853774
  9. May 19, 2016
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  13. May 11, 2016
  14. May 05, 2016
  15. May 04, 2016
  16. May 03, 2016
    • Ruediger Pluem's avatar
      Merge r1741310, r1741461 from trunk: · f2413112
      Ruediger Pluem authored
      
        Ensure http2 follows http in the meaning of
        status WRITE (meaning 'in the request processing
        phase' even if still consuming the request body,
        not literally in a 'now writing' state).
      
        Ensure a number of MPMs and the h2 connection io
        no longer clobber the request status line during
        state-only changes.  While at it, clean up some
        very ugly formatting and unnecessary decoration,
        and avoid the wordy _from_conn() flavor when we
        are not passing a connection_rec.
      
        Ensure the useragent_ip is only used in the case
        where it has been initialized, fall back on the
        connection's remote_ip if the status is accidently
        updated from an uninitialized request_rec.
      
      Revert to 2.4.1 behavior and null the request and vhost as appropriate.
      PR: 59333
      Submitted by: wrowe
      Reviewed by: wrowe, ylavic, rpluem
      
      
      git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1742179 13f79535-47bb-0310-9956-ffa450edef68
      f2413112
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