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nginx_0.17.1.tmpl
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{{ $all := . }}
{{ $servers := .Servers }}
{{ $cfg := .Cfg }}
{{ $IsIPV6Enabled := .IsIPV6Enabled }}
{{ $healthzURI := .HealthzURI }}
{{ $backends := .Backends }}
{{ $proxyHeaders := .ProxySetHeaders }}
{{ $addHeaders := .AddHeaders }}
# Configuration checksum: {{ $all.Cfg.Checksum }}
# setup custom paths that do not require root access
pid /tmp/nginx.pid;
{{ if $cfg.EnableModsecurity }}
load_module /etc/nginx/modules/ngx_http_modsecurity_module.so;
{{ end }}
{{ if $cfg.EnableOpentracing }}
load_module /etc/nginx/modules/ngx_http_opentracing_module.so;
{{ end }}
daemon off;
worker_processes {{ $cfg.WorkerProcesses }};
{{ if gt (len $cfg.WorkerCpuAffinity) 0 }}
worker_cpu_affinity {{ $cfg.WorkerCpuAffinity }};
{{ end }}
{{ if ne .MaxOpenFiles 0 }}
worker_rlimit_nofile {{ .MaxOpenFiles }};
{{ end }}
{{/* http://nginx.org/en/docs/ngx_core_module.html#worker_shutdown_timeout */}}
{{/* avoid waiting too long during a reload */}}
worker_shutdown_timeout {{ $cfg.WorkerShutdownTimeout }} ;
events {
multi_accept on;
worker_connections {{ $cfg.MaxWorkerConnections }};
use epoll;
}
# Begin-Patch: 引入环境变量
env EXT_OIDC_CONFIGURATIONS;
# End-Patch
http {
{{ if not $all.DisableLua }}
lua_package_cpath "/usr/local/lib/lua/?.so;/usr/lib/lua-platform-path/lua/5.1/?.so;;";
lua_package_path "/etc/nginx/lua/?.lua;/etc/nginx/lua/vendor/?.lua;/usr/local/lib/lua/?.lua;;";
{{ buildLuaSharedDictionaries $servers $all.DynamicConfigurationEnabled $all.Cfg.DisableLuaRestyWAF }}
# Begin-Patch: 配置缓存等
lua_shared_dict discovery 1m;
lua_ssl_trusted_certificate /etc/ssl/certs/ca-certificates.crt;
lua_ssl_verify_depth 5;
lua_shared_dict healthcheck 1m;
lua_socket_log_errors off;
# End-Patch
init_by_lua_block {
require("resty.core")
collectgarbage("collect")
local lua_resty_waf = require("resty.waf")
lua_resty_waf.init()
-- Begin-Patch: 初始化配置
local cjson = require("cjson")
oidc_configurations = cjson.decode(os.getenv("EXT_OIDC_CONFIGURATIONS"))
ext_check_http = {}
local check_config
{{ range $name, $upstream := $backends -}}
check_config = {}
{{ range $annotation, $value := $upstream.Service.Annotations}}
{{- if eq $annotation (print (getenv "EXT_ANNOTATIONS_PREFIX") "/check-http-send") -}}
check_config["check_http_send"] = ngx.unescape_uri("{{$value|urlquery}}")
{{ end }}
{{- if eq $annotation (print (getenv "EXT_ANNOTATIONS_PREFIX") "/check-http-uri") -}}
check_config["check_http_uri"] = ngx.unescape_uri("{{$value|urlquery}}")
{{ end }}
{{- if eq $annotation (print (getenv "EXT_ANNOTATIONS_PREFIX") "/check-http-expect") -}}
check_config["check_http_expect"] = ngx.unescape_uri("{{$value|urlquery}}")
{{ end }}
{{- if eq $annotation (print (getenv "EXT_ANNOTATIONS_PREFIX") "/check-http-extras") -}}
check_config["check_http_extras"] = ngx.unescape_uri("{{$value|urlquery}}")
{{ end }}
{{- if eq $annotation (print (getenv "EXT_ANNOTATIONS_PREFIX") "/check-http-options") -}}
check_config["check_http_extras"] = ngx.unescape_uri("{{$value|urlquery}}")
{{ end }}{{ end -}}
ext_check_http["{{$upstream.Name}}"] = check_config;
{{ end }}
-- End-Patch
{{ if $all.DynamicConfigurationEnabled }}
-- init modules
local ok, res
ok, res = pcall(require, "configuration")
if not ok then
error("require failed: " .. tostring(res))
else
configuration = res
end
ok, res = pcall(require, "balancer")
if not ok then
error("require failed: " .. tostring(res))
else
balancer = res
end
{{ end }}
ok, res = pcall(require, "monitor")
if not ok then
error("require failed: " .. tostring(res))
else
monitor = res
end
}
init_worker_by_lua_block {
{{ if $all.DynamicConfigurationEnabled }}
balancer.init_worker()
{{ end }}
-- Begin-Patch: 启动 http_check
local hc = require "resty.upstream.healthcheck"
local ok, err, check_send, check_options
for upstream, check in pairs(ext_check_http) do
check_send = check["check_http_send"] or (check["check_http_uri"] and ("GET ".. check["check_http_uri"] .." HTTP/1.0\r\n\r\n"))
if check_send then
check_options = {
type = "http",
shm = "healthcheck",
upstream = upstream,
http_req = check_send,
interval = 3000,
fall = 3,
rise = 2,
timeout = 5000,
valid_statuses = {200,201,202,203,204,205,300,301,302,303,304,305}
}
if check["check_http_expect"] then check_options["valid_statuses"] = check_http_expect end
for k,v in pairs(check["check_http_extras"] or {}) do check_options[k] = v end
ok, err = hc.spawn_checker(check_options)
if not ok then
ngx.log(ngx.ERR, "failed to spawn health checker: ", err)
end
end
end
-- End-Patch
}
{{ end }}
{{/* we use the value of the header X-Forwarded-For to be able to use the geo_ip module */}}
{{ if $cfg.UseProxyProtocol }}
real_ip_header proxy_protocol;
{{ else }}
real_ip_header {{ $cfg.ForwardedForHeader }};
{{ end }}
real_ip_recursive on;
{{ range $trusted_ip := $cfg.ProxyRealIPCIDR }}
set_real_ip_from {{ $trusted_ip }};
{{ end }}
{{ if $cfg.UseGeoIP }}
{{/* databases used to determine the country depending on the client IP address */}}
{{/* http://nginx.org/en/docs/http/ngx_http_geoip_module.html */}}
{{/* this is require to calculate traffic for individual country using GeoIP in the status page */}}
geoip_country /etc/nginx/geoip/GeoIP.dat;
geoip_city /etc/nginx/geoip/GeoLiteCity.dat;
geoip_org /etc/nginx/geoip/GeoIPASNum.dat;
geoip_proxy_recursive on;
{{ end }}
aio threads;
aio_write on;
tcp_nopush on;
tcp_nodelay on;
log_subrequest on;
reset_timedout_connection on;
keepalive_timeout {{ $cfg.KeepAlive }}s;
keepalive_requests {{ $cfg.KeepAliveRequests }};
client_body_temp_path /tmp/client-body;
fastcgi_temp_path /tmp/fastcgi-temp;
proxy_temp_path /tmp/proxy-temp;
client_header_buffer_size {{ $cfg.ClientHeaderBufferSize }};
client_header_timeout {{ $cfg.ClientHeaderTimeout }}s;
large_client_header_buffers {{ $cfg.LargeClientHeaderBuffers }};
client_body_buffer_size {{ $cfg.ClientBodyBufferSize }};
client_body_timeout {{ $cfg.ClientBodyTimeout }}s;
http2_max_field_size {{ $cfg.HTTP2MaxFieldSize }};
http2_max_header_size {{ $cfg.HTTP2MaxHeaderSize }};
types_hash_max_size 2048;
server_names_hash_max_size {{ $cfg.ServerNameHashMaxSize }};
server_names_hash_bucket_size {{ $cfg.ServerNameHashBucketSize }};
map_hash_bucket_size {{ $cfg.MapHashBucketSize }};
proxy_headers_hash_max_size {{ $cfg.ProxyHeadersHashMaxSize }};
proxy_headers_hash_bucket_size {{ $cfg.ProxyHeadersHashBucketSize }};
variables_hash_bucket_size {{ $cfg.VariablesHashBucketSize }};
variables_hash_max_size {{ $cfg.VariablesHashMaxSize }};
underscores_in_headers {{ if $cfg.EnableUnderscoresInHeaders }}on{{ else }}off{{ end }};
ignore_invalid_headers {{ if $cfg.IgnoreInvalidHeaders }}on{{ else }}off{{ end }};
limit_req_status {{ $cfg.LimitReqStatusCode }};
{{ if $cfg.EnableOpentracing }}
opentracing on;
{{ end }}
{{ buildOpentracing $cfg }}
include /etc/nginx/mime.types;
default_type text/html;
{{ if $cfg.EnableBrotli }}
brotli on;
brotli_comp_level {{ $cfg.BrotliLevel }};
brotli_types {{ $cfg.BrotliTypes }};
{{ end }}
{{ if $cfg.UseGzip }}
gzip on;
gzip_comp_level {{ $cfg.GzipLevel }};
gzip_http_version 1.1;
gzip_min_length 256;
gzip_types {{ $cfg.GzipTypes }};
gzip_proxied any;
gzip_vary on;
{{ end }}
# Custom headers for response
{{ range $k, $v := $addHeaders }}
add_header {{ $k }} "{{ $v }}";
{{ end }}
server_tokens {{ if $cfg.ShowServerTokens }}on{{ else }}off{{ end }};
{{ if not $cfg.ShowServerTokens }}
more_clear_headers Server;
{{ end }}
# disable warnings
uninitialized_variable_warn off;
# Additional available variables:
# $namespace
# $ingress_name
# $service_name
# $service_port
log_format upstreaminfo {{ if $cfg.LogFormatEscapeJSON }}escape=json {{ end }}'{{ buildLogFormatUpstream $cfg }}';
{{/* map urls that should not appear in access.log */}}
{{/* http://nginx.org/en/docs/http/ngx_http_log_module.html#access_log */}}
map $request_uri $loggable {
{{ range $reqUri := $cfg.SkipAccessLogURLs }}
{{ $reqUri }} 0;{{ end }}
default 1;
}
{{ if $cfg.DisableAccessLog }}
access_log off;
{{ else }}
{{ if $cfg.EnableSyslog }}
access_log syslog:server={{ $cfg.SyslogHost }}:{{ $cfg.SyslogPort }} upstreaminfo if=$loggable;
{{ else }}
access_log {{ $cfg.AccessLogPath }} upstreaminfo if=$loggable;
{{ end }}
{{ end }}
{{ if $cfg.EnableSyslog }}
error_log syslog:server={{ $cfg.SyslogHost }}:{{ $cfg.SyslogPort }} {{ $cfg.ErrorLogLevel }};
{{ else }}
error_log {{ $cfg.ErrorLogPath }} {{ $cfg.ErrorLogLevel }};
{{ end }}
{{ buildResolvers $cfg.Resolver $cfg.DisableIpv6DNS }}
{{/* Whenever nginx proxies a request without a "Connection" header, the "Connection" header is set to "close" */}}
{{/* when making the target request. This means that you cannot simply use */}}
{{/* "proxy_set_header Connection $http_connection" for WebSocket support because in this case, the */}}
{{/* "Connection" header would be set to "" whenever the original request did not have a "Connection" header, */}}
{{/* which would mean no "Connection" header would be in the target request. Since this would deviate from */}}
{{/* normal nginx behavior we have to use this approach. */}}
# Retain the default nginx handling of requests without a "Connection" header
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
map {{ buildForwardedFor $cfg.ForwardedForHeader }} $the_real_ip {
{{ if $cfg.UseProxyProtocol }}
# Get IP address from Proxy Protocol
default $proxy_protocol_addr;
{{ else }}
default $remote_addr;
{{ end }}
}
# trust http_x_forwarded_proto headers correctly indicate ssl offloading
map $http_x_forwarded_proto $pass_access_scheme {
default $http_x_forwarded_proto;
'' $scheme;
}
# validate $pass_access_scheme and $scheme are http to force a redirect
map "$scheme:$pass_access_scheme" $redirect_to_https {
default 0;
"http:http" 1;
"https:http" 1;
}
# Begin-Patch: 负载均衡传入 X-Forwarded-Proto 未同时传入 X-Forwarded-Port 时使用协议默认端口
map $http_x_forwarded_proto $pass_proto_server_port {
default $server_port;
"https" 443;
"http" 80;
}
# End-Patch
map $http_x_forwarded_port $pass_server_port {
default $http_x_forwarded_port;
'' $pass_proto_server_port;
}
{{ if $all.IsSSLPassthroughEnabled }}
# map port {{ $all.ListenPorts.SSLProxy }} to 443 for header X-Forwarded-Port
map $pass_server_port $pass_port {
{{ $all.ListenPorts.SSLProxy }} 443;
default $pass_server_port;
}
{{ else }}
map $pass_server_port $pass_port {
{{ $all.ListenPorts.HTTPS }} 443;
default $pass_server_port;
}
{{ end }}
# Obtain best http host
map $http_host $this_host {
default $http_host;
'' $host;
}
map $http_x_forwarded_host $best_http_host {
default $http_x_forwarded_host;
'' $this_host;
}
# Reverse proxies can detect if a client provides a X-Request-ID header, and pass it on to the backend server.
# If no such header is provided, it can provide a random value.
map $http_x_request_id $req_id {
default $http_x_request_id;
{{ if $cfg.GenerateRequestId }}
"" $request_id;
{{ end }}
}
{{ if $cfg.ComputeFullForwardedFor }}
# We can't use $proxy_add_x_forwarded_for because the realip module
# replaces the remote_addr too soon
map $http_x_forwarded_for $full_x_forwarded_for {
{{ if $all.Cfg.UseProxyProtocol }}
default "$http_x_forwarded_for, $proxy_protocol_addr";
'' "$proxy_protocol_addr";
{{ else }}
default "$http_x_forwarded_for, $realip_remote_addr";
'' "$realip_remote_addr";
{{ end}}
}
{{ end }}
server_name_in_redirect off;
port_in_redirect off;
ssl_protocols {{ $cfg.SSLProtocols }};
# turn on session caching to drastically improve performance
{{ if $cfg.SSLSessionCache }}
ssl_session_cache builtin:1000 shared:SSL:{{ $cfg.SSLSessionCacheSize }};
ssl_session_timeout {{ $cfg.SSLSessionTimeout }};
{{ end }}
# allow configuring ssl session tickets
ssl_session_tickets {{ if $cfg.SSLSessionTickets }}on{{ else }}off{{ end }};
{{ if not (empty $cfg.SSLSessionTicketKey ) }}
ssl_session_ticket_key /etc/nginx/tickets.key;
{{ end }}
# slightly reduce the time-to-first-byte
ssl_buffer_size {{ $cfg.SSLBufferSize }};
{{ if not (empty $cfg.SSLCiphers) }}
# allow configuring custom ssl ciphers
ssl_ciphers '{{ $cfg.SSLCiphers }}';
ssl_prefer_server_ciphers on;
{{ end }}
{{ if not (empty $cfg.SSLDHParam) }}
# allow custom DH file http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_dhparam
ssl_dhparam {{ $cfg.SSLDHParam }};
{{ end }}
{{ if not $cfg.EnableDynamicTLSRecords }}
ssl_dyn_rec_size_lo 0;
{{ end }}
ssl_ecdh_curve {{ $cfg.SSLECDHCurve }};
{{ if .CustomErrors }}
# Custom error pages
proxy_intercept_errors on;
{{ end }}
{{ range $errCode := $cfg.CustomHTTPErrors }}
error_page {{ $errCode }} = @custom_{{ $errCode }};{{ end }}
proxy_ssl_session_reuse on;
{{ if $cfg.AllowBackendServerHeader }}
proxy_pass_header Server;
{{ end }}
{{ range $header := $cfg.HideHeaders }}proxy_hide_header {{ $header }};
{{ end }}
{{ if not (empty $cfg.HTTPSnippet) }}
# Custom code snippet configured in the configuration configmap
{{ $cfg.HTTPSnippet }}
{{ end }}
{{ if not $all.DynamicConfigurationEnabled }}
{{ range $name, $upstream := $backends }}
{{ if eq $upstream.SessionAffinity.AffinityType "cookie" }}
upstream sticky-{{ $upstream.Name }} {
sticky hash={{ $upstream.SessionAffinity.CookieSessionAffinity.Hash }} name={{ $upstream.SessionAffinity.CookieSessionAffinity.Name }}{{if eq (len $upstream.SessionAffinity.CookieSessionAffinity.Locations) 1 }}{{ range $locationName, $locationPaths := $upstream.SessionAffinity.CookieSessionAffinity.Locations }}{{ if eq (len $locationPaths) 1 }} path={{ index $locationPaths 0 }}{{ end }}{{ end }}{{ end }} httponly;
{{ if (gt $cfg.UpstreamKeepaliveConnections 0) }}
keepalive {{ $cfg.UpstreamKeepaliveConnections }};
{{ end }}
{{ range $server := $upstream.Endpoints }}server {{ $server.Address | formatIP }}:{{ $server.Port }} max_fails={{ $server.MaxFails }} fail_timeout={{ $server.FailTimeout }};
{{ end }}
}
{{ end }}
upstream {{ $upstream.Name }} {
{{ buildLoadBalancingConfig $upstream $cfg.LoadBalanceAlgorithm }}
{{ if (gt $cfg.UpstreamKeepaliveConnections 0) }}
keepalive {{ $cfg.UpstreamKeepaliveConnections }};
{{ end }}
{{ range $server := $upstream.Endpoints }}server {{ $server.Address | formatIP }}:{{ $server.Port }} max_fails={{ $server.MaxFails }} fail_timeout={{ $server.FailTimeout }};
{{ end }}
}
{{ end }}
{{ end }}
{{ if $all.DynamicConfigurationEnabled }}
upstream upstream_balancer {
server 0.0.0.1; # placeholder
balancer_by_lua_block {
balancer.balance()
}
{{ if (gt $cfg.UpstreamKeepaliveConnections 0) }}
keepalive {{ $cfg.UpstreamKeepaliveConnections }};
{{ end }}
}
{{ end }}
{{/* build the maps that will be use to validate the Whitelist */}}
{{ range $index, $server := $servers }}
{{ range $location := $server.Locations }}
{{ $path := buildLocation $location }}
{{ if isLocationAllowed $location }}
{{ if gt (len $location.Whitelist.CIDR) 0 }}
# Deny for {{ print $server.Hostname $path }}
geo $the_real_ip {{ buildDenyVariable (print $server.Hostname "_" $path) }} {
default 1;
{{ range $ip := $location.Whitelist.CIDR }}
{{ $ip }} 0;{{ end }}
}
{{ end }}
{{ end }}
{{ end }}
{{ end }}
{{ range $rl := (filterRateLimits $servers ) }}
# Ratelimit {{ $rl.Name }}
geo $the_real_ip $whitelist_{{ $rl.ID }} {
default 0;
{{ range $ip := $rl.Whitelist }}
{{ $ip }} 1;{{ end }}
}
# Ratelimit {{ $rl.Name }}
map $whitelist_{{ $rl.ID }} $limit_{{ $rl.ID }} {
0 {{ $cfg.LimitConnZoneVariable }};
1 "";
}
{{ end }}
{{/* build all the required rate limit zones. Each annotation requires a dedicated zone */}}
{{/* 1MB -> 16 thousand 64-byte states or about 8 thousand 128-byte states */}}
{{ range $zone := (buildRateLimitZones $servers) }}
{{ $zone }}
{{ end }}
{{/* Build server redirects (from/to www) */}}
{{ range $hostname, $to := .RedirectServers }}
server {
{{ range $address := $all.Cfg.BindAddressIpv4 }}
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} ssl;
{{ else }}
listen {{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
listen {{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} ssl;
{{ end }}
{{ if $IsIPV6Enabled }}
{{ range $address := $all.Cfg.BindAddressIpv6 }}
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }};
{{ else }}
listen [::]:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
listen [::]:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }};
{{ end }}
{{ end }}
server_name {{ $hostname }};
{{ if ne $all.ListenPorts.HTTPS 443 }}
{{ $redirect_port := (printf ":%v" $all.ListenPorts.HTTPS) }}
return {{ $all.Cfg.HTTPRedirectCode }} $scheme://{{ $to }}{{ $redirect_port }}$request_uri;
{{ else }}
return {{ $all.Cfg.HTTPRedirectCode }} $scheme://{{ $to }}$request_uri;
{{ end }}
}
{{ end }}
{{ range $index, $server := $servers }}
## start server {{ $server.Hostname }}
server {
server_name {{ $server.Hostname }} {{ $server.Alias }};
{{ template "SERVER" serverConfig $all $server }}
# Begin-Patch: 载入 oidc 检查脚本
access_by_lua_file /oidc-access.lua;
# End-Patch
{{ if not (empty $cfg.ServerSnippet) }}
# Custom code snippet configured in the configuration configmap
{{ $cfg.ServerSnippet }}
{{ end }}
{{ template "CUSTOM_ERRORS" $all }}
}
## end server {{ $server.Hostname }}
{{ end }}
# default server, used for NGINX healthcheck and access to nginx stats
server {
# Use the port {{ $all.ListenPorts.Status }} (random value just to avoid known ports) as default port for nginx.
# Changing this value requires a change in:
# https://github.com/kubernetes/ingress-nginx/blob/master/controllers/nginx/pkg/cmd/controller/nginx.go
listen {{ $all.ListenPorts.Status }} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }};
{{ if $IsIPV6Enabled }}listen [::]:{{ $all.ListenPorts.Status }} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }};{{ end }}
set $proxy_upstream_name "-";
location {{ $healthzURI }} {
{{ if $cfg.EnableOpentracing }}
opentracing off;
{{ end }}
access_log off;
return 200;
}
{{ if not $all.DisableLua }}
location /is-dynamic-lb-initialized {
{{ if $cfg.EnableOpentracing }}
opentracing off;
{{ end }}
access_log off;
content_by_lua_block {
local configuration = require("configuration")
local backend_data = configuration.get_backends_data()
if not backend_data then
ngx.exit(ngx.HTTP_INTERNAL_SERVER_ERROR)
return
end
ngx.say("OK")
ngx.exit(ngx.HTTP_OK)
}
}
{{ end }}
location /nginx_status {
set $proxy_upstream_name "internal";
{{ if $cfg.EnableOpentracing }}
opentracing off;
{{ end }}
access_log off;
stub_status on;
}
# Begin-Patch: 健康检查状态
location /ext_check_status {
set $proxy_upstream_name "internal";
{{ if $cfg.EnableOpentracing }}
opentracing off;
{{ end }}
access_log off;
default_type text/plain;
content_by_lua_block {
local hc = require "resty.upstream.healthcheck"
ngx.print(hc.status_page())
}
}
# End-Patch
{{ if $all.DynamicConfigurationEnabled }}
location /configuration {
access_log off;
{{ if $cfg.EnableOpentracing }}
opentracing off;
{{ end }}
allow 127.0.0.1;
{{ if $IsIPV6Enabled }}
allow ::1;
{{ end }}
deny all;
# this should be equals to configuration_data dict
client_max_body_size "10m";
proxy_buffering off;
content_by_lua_block {
configuration.call()
}
}
{{ end }}
location / {
{{ if .CustomErrors }}
proxy_set_header X-Code 404;
{{ end }}
set $proxy_upstream_name "upstream-default-backend";
{{ if $all.DynamicConfigurationEnabled }}
proxy_pass http://upstream_balancer;
{{ else }}
proxy_pass http://upstream-default-backend;
{{ end }}
# Begin-Patch: 载入 oidc 检查脚本
access_by_lua_file /oidc-access.lua;
# End-Patch
}
{{ template "CUSTOM_ERRORS" $all }}
}
}
stream {
log_format log_stream {{ $cfg.LogFormatStream }};
{{ if $cfg.DisableAccessLog }}
access_log off;
{{ else }}
access_log {{ $cfg.AccessLogPath }} log_stream;
{{ end }}
error_log {{ $cfg.ErrorLogPath }};
# TCP services
{{ range $i, $tcpServer := .TCPBackends }}
upstream tcp-{{ $tcpServer.Port }}-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }} {
{{ range $j, $endpoint := $tcpServer.Endpoints }}
server {{ $endpoint.Address | formatIP }}:{{ $endpoint.Port }};
{{ end }}
}
server {
{{ range $address := $all.Cfg.BindAddressIpv4 }}
listen {{ $address }}:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
{{ else }}
listen {{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
{{ end }}
{{ if $IsIPV6Enabled }}
{{ range $address := $all.Cfg.BindAddressIpv6 }}
listen {{ $address }}:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
{{ else }}
listen [::]:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
{{ end }}
{{ end }}
proxy_timeout {{ $cfg.ProxyStreamTimeout }};
proxy_pass tcp-{{ $tcpServer.Port }}-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }};
{{ if $tcpServer.Backend.ProxyProtocol.Encode }}
proxy_protocol on;
{{ end }}
}
{{ end }}
# UDP services
{{ range $i, $udpServer := .UDPBackends }}
upstream udp-{{ $udpServer.Port }}-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }} {
{{ range $j, $endpoint := $udpServer.Endpoints }}
server {{ $endpoint.Address | formatIP }}:{{ $endpoint.Port }};
{{ end }}
}
server {
{{ range $address := $all.Cfg.BindAddressIpv4 }}
listen {{ $address }}:{{ $udpServer.Port }} udp;
{{ else }}
listen {{ $udpServer.Port }} udp;
{{ end }}
{{ if $IsIPV6Enabled }}
{{ range $address := $all.Cfg.BindAddressIpv6 }}
listen {{ $address }}:{{ $udpServer.Port }} udp;
{{ else }}
listen [::]:{{ $udpServer.Port }} udp;
{{ end }}
{{ end }}
proxy_responses {{ $cfg.ProxyStreamResponses }};
proxy_timeout {{ $cfg.ProxyStreamTimeout }};
proxy_pass udp-{{ $udpServer.Port }}-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }};
}
{{ end }}
}
{{/* definition of templates to avoid repetitions */}}
{{ define "CUSTOM_ERRORS" }}
{{ $dynamicConfig := .DynamicConfigurationEnabled}}
{{ $proxySetHeaders := .ProxySetHeaders }}
{{ range $errCode := .Cfg.CustomHTTPErrors }}
location @custom_{{ $errCode }} {
internal;
proxy_intercept_errors off;
proxy_set_header X-Code {{ $errCode }};
proxy_set_header X-Format $http_accept;
proxy_set_header X-Original-URI $request_uri;
proxy_set_header X-Namespace $namespace;
proxy_set_header X-Ingress-Name $ingress_name;
proxy_set_header X-Service-Name $service_name;
proxy_set_header X-Service-Port $service_port;
rewrite (.*) / break;
{{ if $dynamicConfig }}
proxy_pass http://upstream_balancer;
{{ else }}
proxy_pass http://upstream-default-backend;
{{ end }}
}
{{ end }}
{{ end }}
{{/* CORS support from https://michielkalkman.com/snippets/nginx-cors-open-configuration.html */}}
{{ define "CORS" }}
{{ $cors := .CorsConfig }}
# Cors Preflight methods needs additional options and different Return Code
if ($request_method = 'OPTIONS') {
more_set_headers 'Access-Control-Allow-Origin: {{ $cors.CorsAllowOrigin }}';
{{ if $cors.CorsAllowCredentials }} more_set_headers 'Access-Control-Allow-Credentials: {{ $cors.CorsAllowCredentials }}'; {{ end }}
more_set_headers 'Access-Control-Allow-Methods: {{ $cors.CorsAllowMethods }}';
more_set_headers 'Access-Control-Allow-Headers: {{ $cors.CorsAllowHeaders }}';
more_set_headers 'Access-Control-Max-Age: {{ $cors.CorsMaxAge }}';
more_set_headers 'Content-Type: text/plain charset=UTF-8';
more_set_headers 'Content-Length: 0';
return 204;
}
more_set_headers 'Access-Control-Allow-Origin: {{ $cors.CorsAllowOrigin }}';
{{ if $cors.CorsAllowCredentials }} more_set_headers 'Access-Control-Allow-Credentials: {{ $cors.CorsAllowCredentials }}'; {{ end }}
more_set_headers 'Access-Control-Allow-Methods: {{ $cors.CorsAllowMethods }}';
more_set_headers 'Access-Control-Allow-Headers: {{ $cors.CorsAllowHeaders }}';
{{ end }}
{{/* definition of server-template to avoid repetitions with server-alias */}}
{{ define "SERVER" }}
{{ $all := .First }}
{{ $server := .Second }}
{{ range $address := $all.Cfg.BindAddressIpv4 }}
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{end}};
{{ else }}
listen {{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{end}};
{{ end }}
{{ if $all.IsIPV6Enabled }}
{{ range $address := $all.Cfg.BindAddressIpv6 }}
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{ end }};
{{ else }}
listen [::]:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{ end }};
{{ end }}
{{ end }}
set $proxy_upstream_name "-";
{{/* Listen on {{ $all.ListenPorts.SSLProxy }} because port {{ $all.ListenPorts.HTTPS }} is used in the TLS sni server */}}
{{/* This listener must always have proxy_protocol enabled, because the SNI listener forwards on source IP info in it. */}}
{{ if not (empty $server.SSLCert.PemFileName) }}
{{ range $address := $all.Cfg.BindAddressIpv4 }}
listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol {{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
{{ else }}
listen {{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol {{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
{{ end }}
{{ if $all.IsIPV6Enabled }}
{{ range $address := $all.Cfg.BindAddressIpv6 }}
{{ if not (empty $server.SSLCert.PemFileName) }}listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
{{ else }}
{{ if not (empty $server.SSLCert.PemFileName) }}listen [::]:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server {{ if $all.Cfg.ReusePort }}reuseport{{ end }} backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
{{ end }}
{{ end }}
{{/* comment PEM sha is required to detect changes in the generated configuration and force a reload */}}
# PEM sha: {{ $server.SSLCert.PemSHA }}
ssl_certificate {{ $server.SSLCert.PemFileName }};
ssl_certificate_key {{ $server.SSLCert.PemFileName }};
{{ if not (empty $server.SSLCert.FullChainPemFileName)}}
ssl_trusted_certificate {{ $server.SSLCert.FullChainPemFileName }};
ssl_stapling on;
ssl_stapling_verify on;
{{ end }}
{{ end }}
{{ if not (empty $server.AuthTLSError) }}
# {{ $server.AuthTLSError }}
return 403;
{{ else }}
{{ if not (empty $server.CertificateAuth.CAFileName) }}
# PEM sha: {{ $server.CertificateAuth.PemSHA }}
ssl_client_certificate {{ $server.CertificateAuth.CAFileName }};
ssl_verify_client {{ $server.CertificateAuth.VerifyClient }};
ssl_verify_depth {{ $server.CertificateAuth.ValidationDepth }};
{{ if not (empty $server.CertificateAuth.ErrorPage)}}
error_page 495 496 = {{ $server.CertificateAuth.ErrorPage }};
{{ end }}
{{ end }}
{{ if not (empty $server.SSLCiphers) }}
ssl_ciphers {{ $server.SSLCiphers }};
{{ end }}
{{ if not (empty $server.ServerSnippet) }}
{{ $server.ServerSnippet }}
{{ end }}
{{ range $location := $server.Locations }}
{{ $path := buildLocation $location }}
{{ $proxySetHeader := proxySetHeader $location }}
{{ $authPath := buildAuthLocation $location }}
{{ if not (empty $location.Rewrite.AppRoot)}}
if ($uri = /) {
return 302 {{ $location.Rewrite.AppRoot }};
}
{{ end }}
{{ if $authPath }}
location = {{ $authPath }} {
internal;
# ngx_auth_request module overrides variables in the parent request,
# therefore we have to explicitly set this variable again so that when the parent request
# resumes it has the correct value set for this variable so that Lua can pick backend correctly
set $proxy_upstream_name "{{ buildUpstreamName $server.Hostname $all.Backends $location $all.DynamicConfigurationEnabled }}";
proxy_pass_request_body off;
proxy_set_header Content-Length "";
{{ if $location.ExternalAuth.Method }}
proxy_method {{ $location.ExternalAuth.Method }};
proxy_set_header X-Original-URI $request_uri;
proxy_set_header X-Scheme $pass_access_scheme;
{{ end }}
proxy_set_header Host {{ $location.ExternalAuth.Host }};
proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
proxy_set_header X-Original-Method $request_method;
proxy_set_header X-Sent-From "nginx-ingress-controller";
{{ if $location.ExternalAuth.RequestRedirect }}
proxy_set_header X-Auth-Request-Redirect {{ $location.ExternalAuth.RequestRedirect }};
{{ else }}
proxy_set_header X-Auth-Request-Redirect $request_uri;
{{ end }}
proxy_buffering "{{ $location.Proxy.ProxyBuffering }}";
proxy_buffer_size "{{ $location.Proxy.BufferSize }}";
proxy_buffers 4 "{{ $location.Proxy.BufferSize }}";
proxy_request_buffering "{{ $location.Proxy.RequestBuffering }}";
proxy_http_version 1.1;
proxy_ssl_server_name on;
proxy_pass_request_headers on;
client_max_body_size "{{ $location.Proxy.BodySize }}";
{{ if isValidClientBodyBufferSize $location.ClientBodyBufferSize }}
client_body_buffer_size {{ $location.ClientBodyBufferSize }};
{{ end }}
# Pass the extracted client certificate to the auth provider
{{ if not (empty $server.CertificateAuth.CAFileName) }}
{{ if $server.CertificateAuth.PassCertToUpstream }}
proxy_set_header ssl-client-cert $ssl_client_escaped_cert;
{{ end }}
proxy_set_header ssl-client-verify $ssl_client_verify;
proxy_set_header ssl-client-subject-dn $ssl_client_s_dn;
proxy_set_header ssl-client-issuer-dn $ssl_client_i_dn;
{{ end }}
set $target {{ $location.ExternalAuth.URL }};
proxy_pass $target;
}
{{ end }}
location {{ $path }} {
{{ $ing := (getIngressInformation $location.Ingress $location.Path) }}
set $namespace "{{ $ing.Namespace }}";
set $ingress_name "{{ $ing.Rule }}";
set $service_name "{{ $ing.Service }}";
set $service_port "{{ $location.Port }}";
set $location_path "{{ $location.Path }}";
{{ if $all.Cfg.EnableOpentracing }}
opentracing_propagate_context;
{{ end }}
{{ if not $all.DisableLua }}
rewrite_by_lua_block {
{{ if $all.DynamicConfigurationEnabled}}
balancer.rewrite()
{{ end }}
}
{{ if shouldConfigureLuaRestyWAF $all.Cfg.DisableLuaRestyWAF $location.LuaRestyWAF.Mode }}
access_by_lua_block {
local lua_resty_waf = require("resty.waf")
local waf = lua_resty_waf:new()
waf:set_option("mode", "{{ $location.LuaRestyWAF.Mode }}")
waf:set_option("storage_zone", "waf_storage")
waf:set_option("allowed_content_types", { "text/html", "text/json", "application/json" })
waf:set_option("event_log_level", ngx.WARN)
{{ if $location.LuaRestyWAF.Debug }}
waf:set_option("debug", true)
waf:set_option("event_log_request_arguments", true)
waf:set_option("event_log_request_body", true)
waf:set_option("event_log_request_headers", true)
waf:set_option("req_tid_header", true)
waf:set_option("res_tid_header", true)
{{ end }}
{{ range $ruleset := $location.LuaRestyWAF.IgnoredRuleSets }}
waf:set_option("ignore_ruleset", "{{ $ruleset }}")
{{ end }}
{{ if gt (len $location.LuaRestyWAF.ExtraRulesetString) 0 }}
waf:set_option("add_ruleset_string", "10000_extra_rules", {{ $location.LuaRestyWAF.ExtraRulesetString }})
{{ end }}
waf:exec()
}
header_filter_by_lua_block {
local lua_resty_waf = require "resty.waf"
local waf = lua_resty_waf:new()
waf:exec()
}
body_filter_by_lua_block {
local lua_resty_waf = require "resty.waf"
local waf = lua_resty_waf:new()
waf:exec()