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Diffstat (limited to 'net-mgmt/peering-manager/files/gunicorn.conf.py.in')
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1 files changed, 245 insertions, 0 deletions
diff --git a/net-mgmt/peering-manager/files/gunicorn.conf.py.in b/net-mgmt/peering-manager/files/gunicorn.conf.py.in new file mode 100644 index 000000000000..0477e5bf9f64 --- /dev/null +++ b/net-mgmt/peering-manager/files/gunicorn.conf.py.in @@ -0,0 +1,245 @@ +# Sample Gunicorn configuration file. +import multiprocessing +# +# Server socket +# +# bind - The socket to bind. +# +# A string of the form: 'HOST', 'HOST:PORT', 'unix:PATH'. +# An IP is a valid HOST. +# +# backlog - The number of pending connections. This refers +# to the number of clients that can be waiting to be +# served. Exceeding this number results in the client +# getting an error when attempting to connect. It should +# only affect servers under significant load. +# +# Must be a positive integer. Generally set in the 64-2048 +# range. +# + +bind = ['127.0.0.1:8001','[::1]:8001'] +backlog = 2048 + +# +# Worker processes +# +# workers - The number of worker processes that this server +# should keep alive for handling requests. +# +# A positive integer generally in the 2-4 x $(NUM_CORES) +# range. You'll want to vary this a bit to find the best +# for your particular application's work load. +# +# worker_class - The type of workers to use. The default +# sync class should handle most 'normal' types of work +# loads. You'll want to read +# http://docs.gunicorn.org/en/latest/design.html#choosing-a-worker-type +# for information on when you might want to choose one +# of the other worker classes. +# +# A string referring to a Python path to a subclass of +# gunicorn.workers.base.Worker. The default provided values +# can be seen at +# http://docs.gunicorn.org/en/latest/settings.html#worker-class +# +# worker_connections - For the eventlet and gevent worker classes +# this limits the maximum number of simultaneous clients that +# a single process can handle. +# +# A positive integer generally set to around 1000. +# +# timeout - If a worker does not notify the master process in this +# number of seconds it is killed and a new worker is spawned +# to replace it. +# +# Generally set to thirty seconds. Only set this noticeably +# higher if you're sure of the repercussions for sync workers. +# For the non sync workers it just means that the worker +# process is still communicating and is not tied to the length +# of time required to handle a single request. +# +# keepalive - The number of seconds to wait for the next request +# on a Keep-Alive HTTP connection. +# +# A positive integer. Generally set in the 1-5 seconds range. +# + +#workers = 5 +workers = multiprocessing.cpu_count() * 2 + 1 +worker_class = 'sync' +worker_connections = 1000 +timeout = 300 +keepalive = 2 +threads = 3 +max_requests = 5000 +max_requests_jitter = 500 + +# +# spew - Install a trace function that spews every line of Python +# that is executed when running the server. This is the +# nuclear option. +# +# True or False +# + +spew = False + +# +# Server mechanics +# +# daemon - Detach the main Gunicorn process from the controlling +# terminal with a standard fork/fork sequence. +# +# True or False +# +# raw_env - Pass environment variables to the execution environment. +# +# pidfile - The path to a pid file to write +# +# A path string or None to not write a pid file. +# +# user - Switch worker processes to run as this user. +# +# A valid user id (as an integer) or the name of a user that +# can be retrieved with a call to pwd.getpwnam(value) or None +# to not change the worker process user. +# +# group - Switch worker process to run as this group. +# +# A valid group id (as an integer) or the name of a user that +# can be retrieved with a call to pwd.getgrnam(value) or None +# to change the worker processes group. +# +# umask - A mask for file permissions written by Gunicorn. Note that +# this affects unix socket permissions. +# +# A valid value for the os.umask(mode) call or a string +# compatible with int(value, 0) (0 means Python guesses +# the base, so values like "0", "0xFF", "0022" are valid +# for decimal, hex, and octal representations) +# +# tmp_upload_dir - A directory to store temporary request data when +# requests are read. This will most likely be disappearing soon. +# +# A path to a directory where the process owner can write. Or +# None to signal that Python should choose one on its own. +# + +daemon = False +umask = 0 +user = None +tmp_upload_dir = None +pythonpath = '%%WWWDIR%%' +chdir = '%%WWWDIR%%' +wsgi_app = '%%WSGI_APP%%' + +# +# Logging +# +# logfile - The path to a log file to write to. +# +# A path string. "-" means log to stdout. +# +# loglevel - The granularity of log output +# +# A string of "debug", "info", "warning", "error", "critical" +# + +syslog = True +syslog_prefix = '%%PORTNAME%%' +syslog_addr = 'unix:///var/run/log#dgram' +disable_redirect_access_to_syslog = True +errorlog = '-' +loglevel = 'info' +accesslog = '-' +access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"' + +# +# Process naming +# +# proc_name - A base to use with setproctitle to change the way +# that Gunicorn processes are reported in the system process +# table. This affects things like 'ps' and 'top'. If you're +# going to be running more than one instance of Gunicorn you'll +# probably want to set a name to tell them apart. This requires +# that you install the setproctitle module. +# +# A string or None to choose a default of something like 'gunicorn'. +# + +proc_name = '%%PORTNAME%%' + +# +# Server hooks +# +# post_fork - Called just after a worker has been forked. +# +# A callable that takes a server and worker instance +# as arguments. +# +# pre_fork - Called just prior to forking the worker subprocess. +# +# A callable that accepts the same arguments as post_fork +# +# pre_exec - Called just prior to forking off a secondary +# master process during things like config reloading. +# +# A callable that takes a server instance as the sole argument. +# + +def post_fork(server, worker): + server.log.info("Worker spawned (pid: %s)", worker.pid) + +def pre_fork(server, worker): + pass + +def pre_exec(server): + server.log.info("Forked child, re-executing.") + +def when_ready(server): + server.log.info("Server is ready. Spawning workers") + +def worker_int(worker): + worker.log.info("worker received INT or QUIT signal") + + ## get traceback info + import threading, sys, traceback + id2name = {th.ident: th.name for th in threading.enumerate()} + code = [] + for threadId, stack in sys._current_frames().items(): + code.append("\n# Thread: %s(%d)" % (id2name.get(threadId,""), + threadId)) + for filename, lineno, name, line in traceback.extract_stack(stack): + code.append('File: "%s", line %d, in %s' % (filename, + lineno, name)) + if line: + code.append(" %s" % (line.strip())) + worker.log.debug("\n".join(code)) + +def worker_abort(worker): + worker.log.info("worker received SIGABRT signal") + +def ssl_context(conf, default_ssl_context_factory): + import ssl + + # The default SSLContext returned by the factory function is initialized + # with the TLS parameters from config, including TLS certificates and other + # parameters. + context = default_ssl_context_factory() + + # The SSLContext can be further customized, for example by enforcing + # minimum TLS version. + context.minimum_version = ssl.TLSVersion.TLSv1_3 + + # Server can also return different server certificate depending which + # hostname the client uses. Requires Python 3.7 or later. + def sni_callback(socket, server_hostname, context): + if server_hostname == "foo.127.0.0.1.nip.io": + new_context = default_ssl_context_factory() + new_context.load_cert_chain(certfile="foo.pem", keyfile="foo-key.pem") + socket.context = new_context + + context.sni_callback = sni_callback + + return context |