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Hard Stop After
[ingress.appscode.com/hard-stop-after] annotation defines the maximum duration an old haproxy configuration process may exist after configuration reload (e.g. any change in your ingress or backend service or deployment that invokes haproxy configuration change). Note that, this old configuration won’t accept any new requests. It only holds importance if there are existing connections that haven’t finished serving. If not mentioned, it will have 30s as default value. Read More
Note that, if you change your backend pod’s terminationGracePeriodSeconds (default value 30s) to allow graceful shutdown and finish serving current requests for more than 30s, then you will have to change this value accordingly (to allow remaining connections to route via haproxy process).
Ingress Example:
apiVersion: voyager.appscode.com/v1
kind: Ingress
metadata:
name: test-ingress
namespace: default
annotations:
ingress.appscode.com/hard-stop-after: 60s
spec:
rules:
- host: voyager.appscode.test
http:
paths:
- path: /foo
backend:
service:
name: test-server
port:
number: 80
Generated haproxy.cfg:
# HAProxy configuration generated by https://github.com/appscode/voyager
# DO NOT EDIT!
global
daemon
stats socket /tmp/haproxy
server-state-file global
server-state-base /var/state/haproxy/
# log using a syslog socket
log /dev/log local0 info
log /dev/log local0 notice
tune.ssl.default-dh-param 2048
ssl-default-bind-ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK
hard-stop-after 60s
defaults
log global
# https://cbonte.github.io/haproxy-dconv/1.7/configuration.html#4.2-option%20abortonclose
# https://github.com/voyagermesh/voyager/pull/403
option dontlognull
option http-server-close
# Timeout values
timeout client 50s
timeout client-fin 50s
timeout connect 5s
timeout server 50s
timeout tunnel 50s
# Configure error files
# default traffic mode is http
# mode is overwritten in case of tcp services
mode http
frontend http-0_0_0_0-80
bind *:80
mode http
option httplog
option forwardfor
acl is_proxy_https hdr(X-Forwarded-Proto) https
acl acl_voyager.appscode.test hdr(host) -i voyager.appscode.test
acl acl_voyager.appscode.test hdr(host) -i voyager.appscode.test:80
acl acl_voyager.appscode.test:foo path_beg /foo
use_backend test-server.default:80 if acl_voyager.appscode.test acl_voyager.appscode.test:foo
backend test-server.default:80
server pod-test-server-68ddc845cd-x7dtv 172.17.0.4:8080
These timeout values are generally expressed in milliseconds (unless explicitly stated
otherwise) but may be expressed in any other unit by suffixing the unit to the
numeric value. Supported units are :
- us : microseconds. 1 microsecond = 1/1000000 second
- ms : milliseconds. 1 millisecond = 1/1000 second. This is the default.
- s : seconds. 1s = 1000ms
- m : minutes. 1m = 60s = 60000ms
- h : hours. 1h = 60m = 3600s = 3600000ms
- d : days. 1d = 24h = 1440m = 86400s = 86400000ms
