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* [ANN] unicorn 0.94.0 - small fixes and new features
@ 2009-11-05 10:06 Eric Wong
  0 siblings, 0 replies; 3+ results
From: Eric Wong @ 2009-11-05 10:06 UTC (permalink / raw)
  To: mongrel-unicorn

Unicorn is a HTTP server for Rack applications designed to only serve
fast clients on low-latency, high-bandwidth connections and take
advantage of features in Unix/Unix-like kernels.  Slow clients should
only be served by placing a reverse proxy capable of fully buffering
both the the request and response in between Unicorn and slow clients.

* http://unicorn.bogomips.org/
* mongrel-unicorn@rubyforge.org
* git://git.bogomips.org/unicorn.git

Changes:

The HTTP parser is fix for oddly-aligned reads of trailers (this
technically affects headers, too, but is highly unlikely due to
our non-support of slow clients).  This allows our HTTP parser
to better support very slow clients when used by other servers
(like Rainbows!).  Fortunately this bug does not appear to lead
to any invalid memory accesses (and potential arbitrary code
execution).

FreeBSD (and possibly other *BSDs) support is improved and and
all the test cases pass under FreeBSD 7.2.  Various flavors of
GNU/Linux remains our primary platform for development and
production.

New features added include the "working_directory" directive in
the configurator .  Even without specifying a
"working_directory", symlink-aware detection of the current path
no longer depends on /bin/sh so it should work out-of-the-box on
FreeBSD and Solaris and not just systems where /bin/sh is dash,
ksh93 or bash.

User-switching support is finally supported but only intended
for use in the after_fork hook of worker processes.  Putting it
in the after_fork hook allows allows users to set things like
CPU affinity[1] on a per-worker basis before dropping
privileges.  The master process retains all privileges it
started with.

The ENV["RACK_ENV"] (process-wide) environment variable is now
both read and set for `unicorn' in the same way RAILS_ENV is
used by `unicorn_rails'.  This allows the Merb launcher to read
ENV["RACK_ENV"] in config.ru.  Other web servers already set
this and there may be applications or libraries that already
rely on this de facto standard.

Eric Wong (26):
      cleanup: avoid redundant error checks for fstat
      test_helper: connect(2) may fail with EINVAL
      GNUmakefile: fix non-portable tar(1) usage
      tests: provide a pure Ruby setsid(8) equivalent
      more portable symlink awareness for START_CTX[:cwd]
      test_signals: avoid portability issues with fchmod(2)
      cleanup error handling and make it less noisy
      Do not override Dir.chdir in config files
      configurator: add "working_directory" directive
      configurator: working_directory is expanded
      configurator: set ENV["PWD"] with working_directory, too
      configurator: working_directory affects pid, std{err,out}_paths
      configurator: update documentation for working_directory
      TODO: remove working_directory bit, done
      Util.reopen_logs: remove needless Range
      worker: user/group switching for after_fork hooks
      Fix autoload of Etc in Worker for Ruby 1.9
      bin/unicorn: allow RACK_ENV to be passed from parent
      tests for RACK_ENV preservation
      http: allow headers/trailers to be written byte-wise
      http: extra test for bytewise chunked bodies
      tee_input: do not clobber trailer buffer on partial uploads
      test_exec: ensure master is killed after test
      Util::tmpio returns a TmpIO that responds to #size
      TODO: remove user-switching bit, done
      unicorn 0.94.0

Wayne Larsen (1):
      bin/unicorn: set ENV["RACK_ENV"] on startup

[1] - Unicorn does not support CPU affinity directly, but it is
      possible to load code that allows it inside after_fork hooks,
      or even just call sched_tool(8).

-- 
Eric Wong

^ permalink raw reply	[relevance 6%]

* [PATCH] manpage: update middleware-related documentation
      [irrelevant] <20130129211015.GA8686@dcvr.yhbt.net>
@ 2013-01-29 21:23 ` Eric Wong
  0 siblings, 0 replies; 3+ results
From: Eric Wong @ 2013-01-29 21:23 UTC (permalink / raw)
  To: mongrel-unicorn

-N/--no-default-middleware needs a corresponding manpage entry.

Additionally, the Rack::Chunked/ContentLength middleware comment
is out-of-date as of unicorn v4.1.0
---
  Also just pushed this to master of git://bogomips.org/unicorn
  commit 64765b95df06256d39daefdeebde97c874770131

 Documentation/unicorn.1.txt | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/unicorn.1.txt b/Documentation/unicorn.1.txt
index c20a570..a42dfff 100644
--- a/Documentation/unicorn.1.txt
+++ b/Documentation/unicorn.1.txt
@@ -61,6 +61,10 @@ with rackup(1) but strongly discouraged.
     For production deployments, specifying the "listen" directive in
     CONFIG_FILE is recommended as it allows fine-tuning of socket
     options.
+-N, \--no-default-middleware
+:   Disables loading middleware implied by RACK_ENV.  This bypasses the
+    configuration documented in the RACK ENVIRONMENT section, but still
+    allows RACK_ENV to be used for application/framework-specific purposes.
 
 # RACKUP COMPATIBILITY OPTIONS
 -o, \--host HOST
@@ -144,10 +148,10 @@ As of Unicorn 0.94.0, RACK_ENV is exported as a process-wide environment
 variable as well.  While not current a part of the Rack specification as
 of Rack 1.0.1, this has become a de facto standard in the Rack world.
 
-Note that the Rack::ContentLength and Rack::Chunked middlewares
-are never loaded by default.  If needed, they should be
-individually specified in the RACKUP_FILE, some frameworks do
-not require them.
+Note the Rack::ContentLength and Rack::Chunked middlewares are also
+loaded by "deployment" and "development", but no other values of
+RACK_ENV.  If needed, they must be individually specified in the
+RACKUP_FILE, some frameworks do not require them.
 
 # ENVIRONMENT VARIABLES
 
-- 
1.8.1.2.422.g08c0e7f

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^ permalink raw reply	[relevance 6%]

* [PATCH] doc: add version annotations for new features
      [irrelevant]   ` <20170308072934.GA9819@starla>
@ 2017-03-08  7:44     ` Eric Wong
  0 siblings, 0 replies; 3+ results
From: Eric Wong @ 2017-03-08  7:44 UTC (permalink / raw)
  To: Jeremy Evans; +Cc: unicorn-public

I suppose this is a good idea, too.

Will merge before the 5.3.0 RCs and release (soonish, I think...)

-------8<--------
Subject: [PATCH] doc: add version annotations for new features

We will inevitably have people running old unicorn versions
for many years to come; but they may be reading the latest
documentation online.

Annotate when the new features (will) appear to avoid misleading
users on old versions.
---
 lib/unicorn/configurator.rb | 2 ++
 lib/unicorn/worker.rb       | 5 ++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/unicorn/configurator.rb b/lib/unicorn/configurator.rb
index 7ed5ffa..3eb8c22 100644
--- a/lib/unicorn/configurator.rb
+++ b/lib/unicorn/configurator.rb
@@ -186,6 +186,8 @@ def after_worker_exit(*args, &block)
   #
   # Do not use Configurator#user if you rely on changing users in the
   # after_worker_ready hook.
+  #
+  # after_worker_ready is only available in unicorn 5.3.0+
   def after_worker_ready(*args, &block)
     set_hook(:after_worker_ready, block_given? ? block : args[0])
   end
diff --git a/lib/unicorn/worker.rb b/lib/unicorn/worker.rb
index e22c1bf..2f5b6a6 100644
--- a/lib/unicorn/worker.rb
+++ b/lib/unicorn/worker.rb
@@ -124,7 +124,10 @@ def close # :nodoc:
   # Any and all errors raised within this method will be propagated
   # directly back to the caller (usually the +after_fork+ hook.
   # These errors commonly include ArgumentError for specifying an
-  # invalid user/group and Errno::EPERM for insufficient privileges
+  # invalid user/group and Errno::EPERM for insufficient privileges.
+  #
+  # chroot support is only available in unicorn 5.3.0+
+  # user and group switching appeared in unicorn 0.94.0 (2009-11-05)
   def user(user, group = nil, chroot = false)
     # we do not protect the caller, checking Process.euid == 0 is
     # insufficient because modern systems have fine-grained
-- 
EW

^ permalink raw reply	[relevance 7%]

Results 1-3 of 3 | reverse results
2009-11-05 10:06 [ANN] unicorn 0.94.0 - small fixes and new features Eric Wong
    [irrelevant] <20130129211015.GA8686@dcvr.yhbt.net>
2013-01-29 21:23 ` [PATCH] manpage: update middleware-related documentation Eric Wong
    [irrelevant] <20170223184937.GC67612@jeremyevans.local>
    [irrelevant] ` <20170223202902.GA25576@whir>
    [irrelevant]   ` <20170308072934.GA9819@starla>
2017-03-08  7:44     ` [PATCH] doc: add version annotations for new features Eric Wong


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