caddy/caddytest/integration/caddyfile_adapt/reverse_proxy_options.txt
Matt Holt ab0455922a
reverseproxy: Dynamic upstreams (with SRV and A/AAAA support) (#4470)
* reverseproxy: Begin refactor to enable dynamic upstreams

Streamed here: https://www.youtube.com/watch?v=hj7yzXb11jU

* Implement SRV and A/AAA upstream sources

Also get upstreams at every retry loop iteration instead of just once
before the loop. See #4442.

* Minor tweaks from review

* Limit size of upstreams caches

* Add doc notes deprecating LookupSRV

* Provision dynamic upstreams

Still WIP, preparing to preserve health checker functionality

* Rejigger health checks

Move active health check results into handler-specific Upstreams.

Improve documentation regarding health checks and upstreams.

* Deprecation notice

* Add Caddyfile support, use `caddy.Duration`

* Interface guards

* Implement custom resolvers, add resolvers to http transport Caddyfile

* SRV: fix Caddyfile `name` inline arg, remove proto condition

* Use pointer receiver

* Add debug logs

Co-authored-by: Francis Lavoie <lavofr@gmail.com>
2022-03-06 17:43:39 -07:00

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https://example.com {
reverse_proxy /path http://localhost:54321 {
header_up Host {host}
header_up X-Real-IP {remote}
header_up X-Forwarded-For {remote}
header_up X-Forwarded-Port {server_port}
header_up X-Forwarded-Proto "http"
buffer_requests
transport http {
read_buffer 10MB
write_buffer 20MB
max_response_header 30MB
dial_timeout 3s
dial_fallback_delay 5s
response_header_timeout 8s
expect_continue_timeout 9s
resolvers 8.8.8.8 8.8.4.4
versions h2c 2
compression off
max_conns_per_host 5
keepalive_idle_conns_per_host 2
keepalive_interval 30s
}
}
}
----------
{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"example.com"
]
}
],
"handle": [
{
"handler": "subroute",
"routes": [
{
"handle": [
{
"buffer_requests": true,
"handler": "reverse_proxy",
"headers": {
"request": {
"set": {
"Host": [
"{http.request.host}"
],
"X-Forwarded-For": [
"{http.request.remote}"
],
"X-Forwarded-Port": [
"{server_port}"
],
"X-Forwarded-Proto": [
"http"
],
"X-Real-Ip": [
"{http.request.remote}"
]
}
}
},
"transport": {
"compression": false,
"dial_fallback_delay": 5000000000,
"dial_timeout": 3000000000,
"expect_continue_timeout": 9000000000,
"keep_alive": {
"max_idle_conns_per_host": 2,
"probe_interval": 30000000000
},
"max_conns_per_host": 5,
"max_response_header_size": 30000000,
"protocol": "http",
"read_buffer_size": 10000000,
"resolver": {
"addresses": [
"8.8.8.8",
"8.8.4.4"
]
},
"response_header_timeout": 8000000000,
"versions": [
"h2c",
"2"
],
"write_buffer_size": 20000000
},
"upstreams": [
{
"dial": "localhost:54321"
}
]
}
],
"match": [
{
"path": [
"/path"
]
}
]
}
]
}
],
"terminal": true
}
]
}
}
}
}
}