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Improved cross-platform support by trying multiple ps(1) invocations to
obtain the unitd command line parameters. Additional error checking
detects when this process fails.
The first attempt uses `ps -wwo args=COMMAND -p` which has very broad
support and has the additional benefit of simplifying the output for
more reliable parsing of the process info. If that fails then we fall
back to simply `ps`.
The parsing of the process info has also changed. Instead of converting
'[]' into spaces we now convert them into explicit delimiters (using '^').
This is more reliable as it marks the beginning and the end of the info
we care about. Any trailing process information is now ignored (FreeBSD).
Additional error handling improves the robustness when starting unitd with
a different filename or from a relative path. In this case the control
socket and log file detection will fail when running `unitd --help`.
Additional error checking and messages are displayed when the control socket
cannot be determined. A single warning is shown when the log file cannot be
determined.
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Signed-off-by: synodriver <diguohuangjiajinweijun@gmail.com>
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
[ Re-word commit subject - Andrew ]
Fixes: c4c2f90c5b53 ("Python: ASGI server introduced.")
Closes: <https://github.com/nginx/unit/issues/895>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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Lifespan state is a special dict in asgi lifespan scope, which allow
applications to persist data from the lifespan cycle to request/response
handling. The scope["state"] namespace provides a place to store these
sorts of things. The server will ensure that a shallow copy of the
namespace is passed into each subsequent request/response call into the
application.
Some frameworks are already taking advantage of this feature, for
example, starlette, and without this feature they wouldn't work
properly.
Signed-off-by: synodriver <diguohuangjiajinweijun@gmail.com>
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
[ Minor code tweaks to avoid lines > 80 chars, static a function and
re-work the PyMemberDef structure initialisation for Python <3.7
and -Wwrite-strings compatibility - Andrew ]
Tested-by: <https://github.com/synodriver>
Tested-by: <https://github.com/hawiliali>
Closes: <https://github.com/nginx/unit/issues/864>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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Common methods from applications/proto.py converted to the fixtures.
sysctl check moved to the specific file where it is using.
Some options moved to the constructor to have early access.
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All log-related code moved to the log.py.
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To make fixtures accessible inside of setup methods in tests all these methods
are renamed to the "setup_method_fixture" and decorated by autouse flag.
Also all setup methods moved to the top of the files.
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If we don't update the pointer before copying the request body, then we
get the behavior shown below. After this patch, "foo\n" is rightly
appended at the end of the response body.
Request:
"GET / HTTP/1.1\r\nHost: _\nContent-Length: 4\n\nfoo\n"
Response body:
"""
Hello world!
foo
est data:
Method: GET
Protocol: HTTP/1.1
Remote addr: 127.0.0.1
Local addr: 127.0.0.1
Target: /
Path: /
Fields:
Host: _
Content-Length: 4
Body:
"""
Fixes: 1bb22d1e922c ("Unit application library.")
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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In this case, Andrew always committed under the same name, so it's not
strictly necessary.
This is for consistency, so that it's clearer whose is an email address.
It also makes it easier to sort the names alphabetically.
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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We renamed the options recently, with the intention of keeping the old
names as supported but deprecated for some time, before removal. This
was done with the configure script options, but in the unitd binary, we
accidentally removed the old names, causing some unintended breakage.
Keep support for the old names, albeit with a deprecation message to
stderr, for some time, until we decide to remove them.
Fixes: 5a37171f733f ("Added default values for pathnames.")
Closes: <https://github.com/nginx/unit/issues/876>
Reported-by: El RIDO <elrido@gmx.net>
Acked-by: Liam Crilly <liam@nginx.com>
Acked-by: Artem Konev <a.konev@f5.com>
Acked-by: Timo Stark <t.stark@nginx.com>
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
Cc: Andrei Zeliankou <zelenkov@nginx.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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There are a couple of reports on GitHub about issues accessing Python
ASGI based applications over IPv6.
A request over IPv6 would result in an error like
2023/05/13 17:49:12 [alert] 47202#47202 [unit] #10: Python failed to create 'client' pair
2023/05/13 17:49:12 [alert] 47202#47202 [unit] Python failed to call 'loop.call_soon'
ValueError: invalid literal for int() with base 10: 'db8:1:1:1ee7:dead:beef:cafe'
The above error was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/lib64/python3.11/asyncio/base_events.py", line 765, in call_soon
handle = self._call_soon(callback, args, context)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/asyncio/base_events.py", line 781, in _call_soon
handle = events.Handle(callback, args, self, context)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
SystemError: <class 'asyncio.events.Handle'> returned a result with an exception set
This issue occurred in the nxt_py_asgi_create_ip_address() function
where it tries to create an IP address / port number pair.
It does this by looking for the first ':' in the address and taking
everything after it as the port number. Like in the above error message,
if we tried to access the server @ 2001:db8:1:1:1ee7:dead:beef:cafe,
then we'd end up with the port number as 'db8:1:1:1ee7:dead:beef:cafe'.
There are two issues with this
1) The IP address and port number are already flowed through
separately.
2) Even if (1) wasn't true, it would still be broken for IPv6 as we'd
expect to a get an address literal like
[2001:db8:1:1:1ee7:dead:beef:cafe]:8080, however there was no code to
handle the []'s.
The fix is to simply not try looking for a port number. We pass a port
number into this function to use in the case where we don't find a port
number, we never will...
A further cleanup would be to flow through the server port number when
creating the 'server pair' PyTuple, rather than just using the hard
coded 80.
Closes: <https://github.com/nginx/unit/issues/793>
Closes: <https://github.com/nginx/unit/issues/874>
Reviewed-by: Alejandro Colomar <alx@nginx.com>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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The entrypoint script now performs a default configuration when no useful
files are found in /docker-entrypoint.d/
The default configuration serves a welcome page in response to all
requests, using Markdown unless text/html is sent in the Accept header.
This provides a useful 'hello world' experience when running a Unit
container for the first time.
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This commit introduced the basic URI rewrite. It allows users to change request URI. Note the "rewrite" option ignores the contained query if any and the query from the request is preserverd.
An example:
"routes": [
{
"match": {
"uri": "/v1/test"
},
"action": {
"return": 200
}
},
{
"action": {
"rewrite": "/v1$uri",
"pass": "routes"
}
}
]
Reviewed-by: Alejandro Colomar <alx@nginx.com>
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Pp is used to separate paragraphs, not to introduce them. A Pp macro
call right after Sh is wrong, and it is ignored by the formatter, which
reports a warning about it.
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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The Authors section is meant to list the main authors. However, the
section only contained the copyright notice, so the Copyright section
seems more appropriate. While we change that, it makes sense to also
specify the license, and update the copyright year.
Reviewed-by: Liam Crilly <liam@nginx.com>
Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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We've applied significant changes to the page, so let's update the date.
While we're at it, let's change it to use ISO 8601 format for the date.
Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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Not setting it produces the default value of 'BSD' or 'GNU', depending
on the software formatting the manual page. We're neither, so let's
specify our project name. See groff_mdoc(7). While mandoc_mdoc(7)
formally says that .Os is only for the operating system, and not for the
package name, that's an oversimplification, and only meant for software
inherent to the OS. For portable software, mandoc(1)'s (and OpenBSD's)
maintainer Ingo Schwarze agreed that it is more sensible to specify the
project name (and optionally, the version).
Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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There was a recent unanimous agreement by maintainers of groff, mandoc,
the Linux man-pages, and other relevant programmers, that manual pages
should not use uppercase unnecessarily. Use of uppercase in the title
and in the section's titles dates from before one could use bold,
italics, and other such formatting, so that it was the way of giving
more importance to certain parts of a page. Nowadays, we use bold, so
uppercase is unnecessary.
Moreover, using uppercase in the title is bad, since it removes
information. If we keep the exact casing used in the program (or
function) name, we provide more information. And anyway, if users want
to read in uppercase, they can program certain mdoc(7) or man(7) macros
to transform their arguments into uppercase. This could be done via
</etc/groff/mdoc.local> and </etc/groff/man.local>.
There's a plan of transforming OpenBSD pages and the Linux man-pages to
stop using uppercase. Other projects may join. That will likely happen
in the following months. Let's align with this.
Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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This short option is not really supported. Probably it was just a typo.
Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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Reviewed-by: Artem Konev <a.konev@f5.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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Normally Unit responds to HTTP requests by including a header like
Server: Unit/1.30.0
however it can sometimes be beneficial to withhold the version
information and in this case just respond with
Server: Unit
This patch adds a new "settings.http" boolean option called
server_version, which defaults to true, in which case the full version
information is sent. However this can be set to false, e.g
"settings": {
"http": {
"server_version": false
}
},
in which case Unit responds without the version information as the
latter example above shows.
Link: <https://www.ietf.org/rfc/rfc9110.html#section-10.2.4>
Closes: <https://github.com/nginx/unit/issues/158>
Reviewed-by: Alejandro Colomar <alx@nginx.com>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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Split out the "Unit" name from the NXT_SERVER #define into its own
NXT_NAME #define, then make NXT_SERVER a combination of that and
NXT_VERSION.
This is required for a subsequent commit where we may want the server
name on its own.
Reviewed-by: Alejandro Colomar <alx@nginx.com>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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