T5222: Add load-balancing for web traffic

1 files changed, 245 insertions, 0 deletions

diff --git a/interface-definitions/load-balancing-haproxy.xml.in b/interface-definitions/load-balancing-haproxy.xml.in
new file mode 100644
index 000000000..268f4cd18
--- /dev/null
+++ b/interface-definitions/load-balancing-haproxy.xml.in
@@ -0,0 +1,245 @@
+<?xml version="1.0"?>
+<interfaceDefinition>
+  <node name="load-balancing">
+    <children>
+      <node name="reverse-proxy" owner="${vyos_conf_scripts_dir}/load-balancing-haproxy.py">
+        <properties>
+          <help>Configure reverse-proxy</help>
+        </properties>
+        <children>
+          <tagNode name="server">
+            <properties>
+              <help>Frontend name</help>
+              <constraint>
+                <regex>[-_a-zA-Z0-9]+</regex>
+              </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>
+                    <regex>[-_a-zA-Z0-9]+</regex>
+                  </constraint>
+                  <constraintErrorMessage>Backend name must be alphanumeric and can contain hyphen and underscores</constraintErrorMessage>
+                  <valueHelp>
+                    <format>txt</format>
+                    <description>Backend name</description>
+                  </valueHelp>
+                  <completionHelp>
+                    <path>load-balancing reverse-proxy backend</path>
+                  </completionHelp>
+                  <multi/>
+                </properties>
+              </leafNode>
+              #include <include/generic-description.xml.i>
+              #include <include/listen-address.xml.i>
+              #include <include/haproxy/mode.xml.i>
+              #include <include/port-number.xml.i>
+              #include <include/haproxy/rule.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.xml.i>
+                </children>
+              </node>
+            </children>
+          </tagNode>
+          <tagNode name="backend">
+            <properties>
+              <help>Backend name</help>
+              <constraint>
+                <regex>[-_a-zA-Z0-9]+</regex>
+              </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/mode.xml.i>
+              <node name="parameters">
+                <properties>
+                  <help>Backend parameters</help>
+                </properties>
+                <children>
+                  <leafNode name="http-check">
+                    <properties>
+                      <help>HTTP health check</help>
+                      <valueless/>
+                    </properties>
+                  </leafNode>
+                </children>
+              </node>
+              #include <include/haproxy/rule.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="ipv4-address"/>
+                        <validator name="ipv6-address"/>
+                      </constraint>
+                    </properties>
+                  </leafNode>
+                  <leafNode name="check">
+                    <properties>
+                      <help>Active health check backend server</help>
+                      <valueless/>
+                    </properties>
+                  </leafNode>
+                  #include <include/port-number.xml.i>
+                </children>
+              </tagNode>
+              <node name="ssl">
+                <properties>
+                  <help>SSL Certificate, SSL Key and CA</help>
+                </properties>
+                <children>
+                  #include <include/pki/ca-certificate.xml.i>
+                </children>
+              </node>
+              #include <include/haproxy/timeout.xml.i>
+            </children>
+          </tagNode>
+          <node name="global-parameters">
+            <properties>
+              <help>Global perfomance parameters and limits</help>
+            </properties>
+            <children>
+              <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>
+              <node name="tls">
+                <properties>
+                  <help>Transport Layer Security (TLS) options</help>
+                </properties>
+                <children>
+                  <leafNode name="ssl-bind-ciphers">
+                    <properties>
+                      <help>SSL default bind ciphers</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>
+            </children>
+          </node>
+          #include <include/interface/vrf.xml.i>
+        </children>
+      </node>
+    </children>
+  </node>
+</interfaceDefinition>