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Showing content from https://github.com/openresty/nginx-devel-utils below:

openresty/openresty-devel-utils: Utilities for nginx module development

openresty-devel-utils - Development utilities for NGINX and OpenResty

This project provides some common tools for Nginx module development.

cd /path/to/some/module

# generate short-name symlinks for src/ngx_http_*.[ch]
ngx-links src

# build a custom nginx 1.0.5 (with cache)
ngx-build 1.0.5 \
    --add-module=`pwd` \
    --with-debug \
    <other nginx configure options go here>

export PATH=`pwd`/work/nginx/sbin:$PATH
nginx -V

# build a custom nginx 1.0.5 (without cache)
ngx-build -f 1.0.5 \
    --add-module=`pwd` \
    --with-debug \
    <other nginx configure options go here>

The ngx-build tool is used by almost all our NGINX C module projects for everyday development, for example, lua-nginx-module.

First of all, you should always add the directory of this tool to your PATH system environment, like this:

export PATH=/path/to/openresty-devel-utils:$PATH

Replace the placeholder /path/to/ with the real path in your system. You'd better put this line in your ~/.bashrc file so that you can always have it.

Usually, we have a util/build.sh shell script in each of the NGINX C module project's source tree, as in:

https://github.com/openresty/lua-nginx-module/blob/master/util/build.sh

And then we create a local shell script, usually called something like build13 (the number 13 means nginx 1.13.x) which contains the following:

#!/usr/bin/env bash

#export NGX_BUILD_DISABLE_NO_POOL=1
#export NGX_BUILD_NO_DEBUG=1

export NGX_BUILD_DTRACE=1
export NGX_BUILD_CC_OPTS="-O1 -I/opt/systemtap/include"

export LUAJIT=/usr/local/openresty-debug/luajit
export LUAJIT_LIB=$LUAJIT/lib
export LUAJIT_INC=$LUAJIT/include/luajit-2.1

export PCRE=/usr/local/openresty/pcre
export PCRE_LIB=$PCRE/lib
export PCRE_INC=$PCRE/include

export OPENSSL=/usr/local/openresty-debug/openssl
export OPENSSL_INC=$OPENSSL/include
export OPENSSL_LIB=$OPENSSL/lib

export NGX_BUILD_CC="gcc"
export NGX_BUILD_JOBS=9

# build using nginx 1.13.6
exec ./util/build.sh 1.13.6

The ngx-build script will download the specified version of the nginx source release tarball from nginx.org and caches it under ~/work/ in the local file system, and then builds everything under ./buildroot/nginx-1.13.6/ and finally, if everything builds fine, it will installs the nginx into ./work/nginx/.

The build13 shell script above assumes that you have installed the openresty-debug, openresty-pcre-devel, and openresty-openssl-debug-devel pre-built packages (along with their -debuginfo packages) from OpenResty's official Linux package repositories. You can surely specify your own local builds of LuaJIT, PCRE, and/or OpenSSL. Just change the path values for the corresponding system environment variables accordingly.

The build13 script should never get checked into the git repository. And it should be different for each developer and is subject to frequent edits during everyday development.

Only those system environments whose names start with the NGX_BUILD_ prefix are supported by the ngx-build script. Otherwise the environments are interpreted by the util/build.sh script of each nginx C module project.

ngx-build always tries to build things incrementally, so it is usually very fast to run. If the previous run of nginx's ./configure script fails, then subsequent ngx-build invokes would always fail with the following error message:

make: *** No rule to make target 'build', needed by 'default'.  Stop.
failed to run command "make -j9"

This is completely normal, and to fix this, you need to update the last modified time stamp of your config file like below:

Then ngx-build will see that the Makefile is older than config file and will try running nginx's ./configure script again.

To combine these 2 steps together, we get

touch config && ./build13

Do not touch the config file in other cases since it would only slow down your build by compiling everything from scratch.

One thing to note here is that ngx-build never tries to add RPATH to the resulting nginx build, so it is each nginx C module project's responsibility to do that if it is desired. It is usually done in the util/build.sh script of each project, as in:

https://github.com/openresty/lua-nginx-module/blob/master/util/build.sh#L34

Sometimes, the project may prefer not hard-coding an RPATH setting for particular dependency libraries like LuaJIT. For example, the lua-nginx-module project only adds RPATH for OpenSSL, PCRE, and Libdrizzle in its util/build.sh script:

https://github.com/openresty/lua-nginx-module/blob/master/util/build.sh#L34

And it intentionally omits the RPATH for LuaJIT. This is because the developers of lua-nginx-module usually want to run different builds of LuaJIT when running the test suite in different "test modes" of the Test::Nginx::Socket test scaffold without the burden of re-linking the local nginx binary.

For example, when running the test suite with Valgrind, the developers of lua-nginx-module would set the system environment:

export LD_LIBRARY_PATH=/usr/local/openresty-valgrind/luajit/lib:$LD_LIBRARY_PATH
export TEST_NGINX_USE_VALGRIND=1

Here we use the LuaJIT shipped with OpenResty's official binary package openresty-valgrind, which enables the system allocator which would only work atop Valgrind.

And for normal running modes, we should switch to another LuaJIT at runtime like below:

export LD_LIBRARY_PATH=/usr/local/openresty-debug/luajit/lib:$LD_LIBRARY_PATH

or when running the tests in the "benchmark" test mode, switch to a non-debug build of LuaJIT:

export LD_LIBRARY_PATH=/usr/local/openresty/luajit/lib:$LD_LIBRARY_PATH

Such runtime environment settings are conventionally put into a custom ./go script at the root of each nginx C module project's source tree, as in:

#!/usr/bin/env bash

export PATH=$PWD/work/nginx/sbin:/opt/systemtap/bin:$PATH

export LD_LIBRARY_PATH=/usr/local/openresty/luajit/lib:$LD_LIBRARY_PATH
#export LD_LIBRARY_PATH=/usr/local/openresty-valgrind/luajit/lib:$LD_LIBRARY_PATH
#export TEST_NGINX_USE_VALGRIND=1

export TEST_NGINX_SLEEP=0.002
export TEST_NGINX_PORT=8080
export TEST_NGINX_TIMEOUT=5
export TEST_NGINX_RESOLVER=8.8.4.4

which nginx
nginx -V
ldd work/nginx/sbin/nginx|grep luajit

exec prove -I../test-nginx/lib "$@"

It is very convenient to comment or uncomment the environment settings on demand. It is much harder to mess your environment settings up.

Once the ./go script is ready, you can always run ./go -r t to run the full test suite or ./go t/foo.t to run a particular test file like t/foo.t (one can choose to run only an individual test block only in the foo.t file by temporarily inserting a --- ONLY section to that test block).

Those system environments whose names start with TEST_NGINX_ are those supported by the Test::Nginx::Socket test scaffold. You can find more details about this test scaffold here:

https://openresty.gitbooks.io/programming-openresty/content/testing/

The ngx-build script would try patching the nginx core with patches in the openresty/openresty and openresty/no-pool-nginx github repos which are checked out locally as the ../openresty/ and ../no-pool-nginx/ directories, respectively. But such patching process only happens when the local ./buildroot/nginx-* directory does not exist. So if you want to enforce patching the nginx core all over again (for example, when you toggle the values of the system environments NGX_BUILD_NO_DEBUG, NGX_BUILD_DTRACE, and/or NGX_BUILD_DISABLE_NO_POOL, then you must re-apply the patches for the nginx core. You can do that by wiping out the ./buildroot/nginx-* directories like this:

and then run the ./build13 script previously mentioned.

The Travis CI build files for most of our nginx C module projects are also making use of this ngx-build tool (through util/build.sh script, of course) and can serve as more examples. See for instance:

https://github.com/openresty/lua-nginx-module/blob/master/.travis.yml

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The reindex is used to unify the block title format of the test files, which are written based on Test::Base. And you can install this tool like ngx-build.

The reindex will unify the block title format of each test file according to the following conditions:

Ensure that all test blocks starting with === TEST {$index} are sequentially numbered starting from ${begin_index}.
Ensure 3 newlines between two blocks.
Ensure that there is a line break between the first test case and the separator(__DATA__ or __END__).

You can run reindex like this:

reindex /path/to/module/t*.t

Also you can set the begin index of test block in each test file by the -b {$index} command-line option, its default option is 1.

reindex -b 0 /path/to/module/t*.t

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The bundle itself is licensed under the 2-clause BSD license.

This module is licensed under the terms of the BSD license.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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