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Support ERL_DIST_PORT option to work without epmd

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Please note:
- Erlang/OTP 23.1 or higher is required to use ERL_DIST_PORT
- "make relive" doesn't support ERL_DIST_PORT, neither rebar3 nor elixir
- "make install" doesn't work with Elixir since at least ejabberd 21.07

Reference:
https://www.erlang.org/blog/otp-23-highlights/
https://blog.erlware.org/epmdlessless/
This commit is contained in:
Badlop 2022-05-26 18:35:14 +02:00
parent 4664358176
commit 30f1e28468
2 changed files with 36 additions and 2 deletions
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22
ejabberdctl.cfg.example
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@ -47,10 +47,28 @@
#INET_DIST_INTERFACE=127.0.0.1
#.
#' ERL_EPMD_ADDRESS: IP addresses where epmd listens for connections
#' ERL_DIST_PORT: Port number for Erlang distribution
#
# For Erlang distribution, clustering and ejabberdctl usage, the
# Erlang VM listens in a random TCP port number, and the Erlang Port
# Mapper Daemon (EPMD) is spawned and used to determine this port
# number.
#
# ERL_DIST_PORT can define this port number. In that case, EPMD is
# not spawned during ejabberd startup, and ERL_EPMD_ADDRESS is
# ignored. ERL_DIST_PORT must be set to the same port number during
# ejabberd startup and when calling ejabberdctl. This feature
# requires at least Erlang/OTP 23.1.
#
# Default: not defined
#
#ERL_DIST_PORT=5210
#.
#' ERL_EPMD_ADDRESS: IP addresses where EPMD listens for connections
#
# This environment variable may be set to a comma-separated
# list of IP addresses, in which case the epmd daemon
# list of IP addresses, in which case the EPMD daemon
# will listen only on the specified address(es) and on the
# loopback address (which is implicitly added to the list if it
# has not been specified). The default behaviour is to listen on