Server header might be changed by client facing caddy, for which caddy code
has been fixed to not transmit the Server header at all by default.
In ATS Server header has been disabled by configuration.
haproxy does not add Server header at all.
Thanks to improvement in the test backend, it's asserted that Server header
send by the backend is left intact.

This was useless. dumps is enough.

And upgrading to the python3-supported version (1.1) requires gtk3 and recent
versions of freetype, glib, atk, gtk, gtkmm, atkmm...

https://wiki.inkscape.org/wiki/Tracking_Dependencies

This reverts commit 27f574bc.

NEO now should support zodbpickle >= 2 with nexedi/neoppod!19.

/cc @jerome
/merge-request-on nexedi/slapos!1125

Pick up nexedi/wendelin.core@3d0f134c to
fix build on Python3.

Depends on nexedi/erp5!1529 and nexedi/erp5!1534

See merge request nexedi/slapos!1114

See merge request nexedi/slapos!1117

This upgrade teaches nxdtest to properly cancel test run and test job
when it receives SIGTERM or SIGINT.

See nexedi/nxdtest@6f75fa90...56e52da6 for details.

/reviewed-by @jerome
/reviewed-on nexedi/slapos!1121

Finishing touches to release wendelin.core 2.0.alpha2:

- Switch to using File IO provided by Pygolang
- Fix build_dso on clean checkout (not relevant for SlapOS)

nexedi/wendelin.core@11e023cf...ad6305c0

Tested via:

ERP5: https://nexedijs.erp5.net/#/test_result_module/20220127-586CEAFD
Wendelin: https://nexedijs.erp5.net/#/test_result_module/20220127-8444F82A

This upgrade adds ability to handle signals via nogil channels, and
other improvements and fixes.

See nexedi/pygolang@e18adbab and
https://pypi.org/project/pygolang/#pygolang-change-history for details.

/reviewed-by @jerome
/reviewed-on nexedi/slapos!1120

This upgrade prepares wendelin.core to be forward-compatible with
upcoming pygolang upgrade. It also brings in fixes to several crashes
caught by first on-field usage.

See nexedi/wendelin.core@49f826b1...11e023cf for details.

/reviewed-by @jerome
/reviewed-on nexedi/slapos!1120

See merge request !1118

Going Go1.17.3 -> Go1.17.6 brings in fixes to compiler, runtime and stdlib
including security fixes to syscall and net/http packages.

https://go.dev/doc/devel/release#go1.17.minor

Tested via:

- SlapOS.SoftwareReleases.IntegrationTest.Python2 (https://nexedijs.erp5.net/#/test_result_module/20220118-7422B39B), and
- SlapOS.SoftwareReleases.IntegrationTest.Python3 (https://nexedijs.erp5.net/#/test_result_module/20220118-30B9FCE8)

/cc @luke, @jerome, @alain.takoudjou, @xavier_thompson @tomo, @lu.xu
/reviewed-on nexedi/slapos!1116

Going Go1.16.10 -> Go1.16.13 brings in fixes to compiler, runtime and stdlib
including security fixes to syscall and net/http packages.

https://go.dev/doc/devel/release#go1.16.minor

Tested manually via adjusted helloworld because nothing intree currently uses Go1.16.

Without this we sometimes hit the socket path length limit when testing
ERP5 inside Theia inside erp5testnode.

wait a first time that ERP5 have finished processing activities for
initial site creation and tolerate that during this time zopes might
reply with error code

With ERP5 commit nexedi/erp5!1529
timerserver is started from wsgi startup script and the config in zope.conf
only applies to the medusa/ZServer mode.

Since ERP5 commit 8f3b77517e (Force use of the new TimerServer, 2019-09-13)
the timerserver egg is not longer used, so it's not needed to install
and configure it.

In ubuntu 21.04 (libc6 2.33-0ubuntu5) or current debian testing
(libc6 2.32-5) no longer use open to open /etc/hosts, but what appears
as "openat" in strace output - but can not be replaced by defining an
openat function.

This uses https://github.com/figiel/hosts which uses another approach
of replacing getaddrinfo, gethostbyname* and inet_aton.

Users have been updated a bit, because there are some small differences:
 - the /etc/hosts replacement file is defined by HOSTS_FILE environment
   variable, not HOSTS
 - the library name is libuserhosts.so, not userhosts.so

Other notable differences, for which we did not need code change are:
 - the new library also try to load a file when HOSTS_FILE is not set
 - the new library still use original /etc/hosts file
 - the new library supports aliases to hostnames, not only ip addresses

on debian 11, old software does not compile with an error like:

    ERROR: ld.so: object '/srv/slapgrid/slappart47/t/dcm/i/0/tmp/shared/userhosts/e880bfd75804e2ec50f297b173a4ae9a__compile__/userhosts-1d3b463e7856db6e674a06258c0840206e6a7b72-1d3b463e7856db6e674a06258c0840206e6a7b72/userhosts' from LD_PRELOAD cannot be preloaded (cannot dynamically load position-independent executable): ignored.

the fixes have been backported to a new 1.0.167.5 tag