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<?xml version="1.0"?>
<interfaceDefinition>
<node name="load-balancing">
<children>
<node name="haproxy" owner="${vyos_conf_scripts_dir}/load-balancing_haproxy.py">
<properties>
<help>Configure haproxy</help>
<priority>900</priority>
</properties>
<children>
<tagNode name="service">
<properties>
<help>Frontend service name</help>
<constraint>
#include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
</constraint>
<constraintErrorMessage>Server name must be alphanumeric and can contain hyphen and underscores</constraintErrorMessage>
</properties>
<children>
<leafNode name="backend">
<properties>
<help>Backend member</help>
<constraint>
#include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
</constraint>
<constraintErrorMessage>Backend name must be alphanumeric and can contain hyphen and underscores</constraintErrorMessage>
<valueHelp>
<format>txt</format>
<description>Name of haproxy backend system</description>
</valueHelp>
<completionHelp>
<path>load-balancing haproxy backend</path>
</completionHelp>
<multi/>
</properties>
</leafNode>
#include <include/generic-description.xml.i>
#include <include/listen-address.xml.i>
#include <include/haproxy/logging.xml.i>
#include <include/haproxy/mode.xml.i>
#include <include/port-number.xml.i>
#include <include/haproxy/rule-frontend.xml.i>
#include <include/haproxy/tcp-request.xml.i>
#include <include/haproxy/http-response-headers.xml.i>
<leafNode name="redirect-http-to-https">
<properties>
<help>Redirect HTTP to HTTPS</help>
<valueless/>
</properties>
</leafNode>
<node name="ssl">
<properties>
<help>SSL Certificate, SSL Key and CA</help>
</properties>
<children>
#include <include/pki/certificate-multi.xml.i>
</children>
</node>
</children>
</tagNode>
<tagNode name="backend">
<properties>
<help>Backend server name</help>
<constraint>
#include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
</constraint>
<constraintErrorMessage>Backend name must be alphanumeric and can contain hyphen and underscores</constraintErrorMessage>
</properties>
<children>
<leafNode name="balance">
<properties>
<help>Load-balancing algorithm</help>
<completionHelp>
<list>source-address round-robin least-connection</list>
</completionHelp>
<valueHelp>
<format>source-address</format>
<description>Based on hash of source IP address</description>
</valueHelp>
<valueHelp>
<format>round-robin</format>
<description>Round robin</description>
</valueHelp>
<valueHelp>
<format>least-connection</format>
<description>Least connection</description>
</valueHelp>
<constraint>
<regex>(source-address|round-robin|least-connection)</regex>
</constraint>
</properties>
<defaultValue>round-robin</defaultValue>
</leafNode>
#include <include/generic-description.xml.i>
#include <include/haproxy/logging.xml.i>
#include <include/haproxy/mode.xml.i>
#include <include/haproxy/http-response-headers.xml.i>
<node name="http-check">
<properties>
<help>HTTP check configuration</help>
</properties>
<children>
<leafNode name="method">
<properties>
<help>HTTP method used for health check</help>
<completionHelp>
<list>options head get post put</list>
</completionHelp>
<valueHelp>
<format>options|head|get|post|put</format>
<description>HTTP method used for health checking</description>
</valueHelp>
<constraint>
<regex>(options|head|get|post|put)</regex>
</constraint>
</properties>
</leafNode>
<leafNode name="uri">
<properties>
<help>URI used for HTTP health check (Example: '/' or '/health')</help>
<constraint>
<regex>^\/([^?#\s]*)(\?[^#\s]*)?$</regex>
</constraint>
</properties>
</leafNode>
<node name="expect">
<properties>
<help>Expected response for the health check to pass</help>
</properties>
<children>
<leafNode name="status">
<properties>
<help>Expected response status code for the health check to pass</help>
<valueHelp>
<format>u32:200-399</format>
<description>Expected response code</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 200-399"/>
</constraint>
<constraintErrorMessage>Status code must be in range 200-399</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="string">
<properties>
<help>Expected to be in response body for the health check to pass</help>
<valueHelp>
<format>txt</format>
<description>A string expected to be in the response</description>
</valueHelp>
</properties>
</leafNode>
</children>
</node>
</children>
</node>
<leafNode name="health-check">
<properties>
<help>Non HTTP health check options</help>
<completionHelp>
<list>ldap mysql pgsql redis smtp</list>
</completionHelp>
<valueHelp>
<format>ldap</format>
<description>LDAP protocol check</description>
</valueHelp>
<valueHelp>
<format>mysql</format>
<description>MySQL protocol check</description>
</valueHelp>
<valueHelp>
<format>pgsql</format>
<description>PostgreSQL protocol check</description>
</valueHelp>
<valueHelp>
<format>redis</format>
<description>Redis protocol check</description>
</valueHelp>
<valueHelp>
<format>smtp</format>
<description>SMTP protocol check</description>
</valueHelp>
<constraint>
<regex>(ldap|mysql|redis|pgsql|smtp)</regex>
</constraint>
</properties>
</leafNode>
#include <include/haproxy/rule-backend.xml.i>
<tagNode name="server">
<properties>
<help>Backend server name</help>
</properties>
<children>
<leafNode name="address">
<properties>
<help>Backend server address</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 unicast peer address</description>
</valueHelp>
<valueHelp>
<format>ipv6</format>
<description>IPv6 unicast peer address</description>
</valueHelp>
<constraint>
<validator name="ip-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="backup">
<properties>
<help>Use backup server if other servers are not available</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="check">
<properties>
<help>Active health check backend server</help>
<valueless/>
</properties>
</leafNode>
#include <include/port-number.xml.i>
<leafNode name="send-proxy">
<properties>
<help>Send a Proxy Protocol version 1 header (text format)</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="send-proxy-v2">
<properties>
<help>Send a Proxy Protocol version 2 header (binary format)</help>
<valueless/>
</properties>
</leafNode>
</children>
</tagNode>
<node name="ssl">
<properties>
<help>SSL Certificate, SSL Key and CA</help>
</properties>
<children>
#include <include/pki/ca-certificate.xml.i>
<leafNode name="no-verify">
<properties>
<help>Do not attempt to verify SSL certificates for backend servers</help>
<valueless/>
</properties>
</leafNode>
</children>
</node>
#include <include/haproxy/timeout.xml.i>
</children>
</tagNode>
<node name="global-parameters">
<properties>
<help>Global perfomance parameters and limits</help>
</properties>
<children>
#include <include/haproxy/logging.xml.i>
<leafNode name="max-connections">
<properties>
<help>Maximum allowed connections</help>
<valueHelp>
<format>u32:1-2000000</format>
<description>Maximum allowed connections</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-2000000"/>
</constraint>
</properties>
</leafNode>
<leafNode name="ssl-bind-ciphers">
<properties>
<help>Cipher algorithms ("cipher suite") used during SSL/TLS handshake for all frontend servers</help>
<completionHelp>
<list>ecdhe-ecdsa-aes128-gcm-sha256 ecdhe-rsa-aes128-gcm-sha256 ecdhe-ecdsa-aes256-gcm-sha384 ecdhe-rsa-aes256-gcm-sha384 ecdhe-ecdsa-chacha20-poly1305 ecdhe-rsa-chacha20-poly1305 dhe-rsa-aes128-gcm-sha256 dhe-rsa-aes256-gcm-sha384</list>
</completionHelp>
<valueHelp>
<format>ecdhe-ecdsa-aes128-gcm-sha256</format>
<description>ecdhe-ecdsa-aes128-gcm-sha256</description>
</valueHelp>
<valueHelp>
<format>ecdhe-rsa-aes128-gcm-sha256</format>
<description>ecdhe-rsa-aes128-gcm-sha256</description>
</valueHelp>
<valueHelp>
<format>ecdhe-ecdsa-aes256-gcm-sha384</format>
<description>ecdhe-ecdsa-aes256-gcm-sha384</description>
</valueHelp>
<valueHelp>
<format>ecdhe-rsa-aes256-gcm-sha384</format>
<description>ecdhe-rsa-aes256-gcm-sha384</description>
</valueHelp>
<valueHelp>
<format>ecdhe-ecdsa-chacha20-poly1305</format>
<description>ecdhe-ecdsa-chacha20-poly1305</description>
</valueHelp>
<valueHelp>
<format>ecdhe-rsa-chacha20-poly1305</format>
<description>ecdhe-rsa-chacha20-poly1305</description>
</valueHelp>
<valueHelp>
<format>dhe-rsa-aes128-gcm-sha256</format>
<description>dhe-rsa-aes128-gcm-sha256</description>
</valueHelp>
<valueHelp>
<format>dhe-rsa-aes256-gcm-sha384</format>
<description>dhe-rsa-aes256-gcm-sha384</description>
</valueHelp>
<constraint>
<regex>(ecdhe-ecdsa-aes128-gcm-sha256|ecdhe-rsa-aes128-gcm-sha256|ecdhe-ecdsa-aes256-gcm-sha384|ecdhe-rsa-aes256-gcm-sha384|ecdhe-ecdsa-chacha20-poly1305|ecdhe-rsa-chacha20-poly1305|dhe-rsa-aes128-gcm-sha256|dhe-rsa-aes256-gcm-sha384)</regex>
</constraint>
<multi/>
</properties>
<defaultValue>ecdhe-ecdsa-aes128-gcm-sha256 ecdhe-rsa-aes128-gcm-sha256 ecdhe-ecdsa-aes256-gcm-sha384 ecdhe-rsa-aes256-gcm-sha384 ecdhe-ecdsa-chacha20-poly1305 ecdhe-rsa-chacha20-poly1305 dhe-rsa-aes128-gcm-sha256 dhe-rsa-aes256-gcm-sha384</defaultValue>
</leafNode>
<leafNode name="tls-version-min">
<properties>
<help>Specify the minimum required TLS version</help>
<completionHelp>
<list>1.2 1.3</list>
</completionHelp>
<valueHelp>
<format>1.2</format>
<description>TLS v1.2</description>
</valueHelp>
<valueHelp>
<format>1.3</format>
<description>TLS v1.3</description>
</valueHelp>
<constraint>
<regex>(1.2|1.3)</regex>
</constraint>
</properties>
<defaultValue>1.3</defaultValue>
</leafNode>
</children>
</node>
#include <include/interface/vrf.xml.i>
</children>
</node>
</children>
</node>
</interfaceDefinition>
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