From 050f24770aec7a74c1a07ba64cf2cb83afb72f1a Mon Sep 17 00:00:00 2001
From: Nicolas Vollmar <nvollmar@gmail.com>
Date: Fri, 19 Apr 2024 23:59:17 +0200
Subject: T6246: improve haproxy http check configuration

---
 .../load-balancing_reverse-proxy.xml.in            | 42 +++++++++++++++++-----
 1 file changed, 34 insertions(+), 8 deletions(-)

(limited to 'interface-definitions/load-balancing_reverse-proxy.xml.in')

diff --git a/interface-definitions/load-balancing_reverse-proxy.xml.in b/interface-definitions/load-balancing_reverse-proxy.xml.in
index 645fe30c7..eb01580da 100644
--- a/interface-definitions/load-balancing_reverse-proxy.xml.in
+++ b/interface-definitions/load-balancing_reverse-proxy.xml.in
@@ -110,29 +110,55 @@
                   <leafNode name="method">
                     <properties>
                       <help>HTTP method used for health check</help>
+                      <completionHelp>
+                        <list>options head get post put</list>
+                      </completionHelp>
                       <valueHelp>
-                        <format>options|get|post|put</format>
+                        <format>options|head|get|post|put</format>
                         <description>HTTP method used for health checking</description>
                       </valueHelp>
                       <constraint>
-                        <regex>options|get|post|put</regex>
+                        <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>
-                  <leafNode name="expect">
+                  <node name="expect">
                     <properties>
                       <help>Expected response for the health check to pass</help>
-                      <valueHelp>
-                        <format>txt</format>
-                        <description>expected response (Example: 'status 200-299' or 'string success')</description>
-                      </valueHelp>
                     </properties>
-                  </leafNode>
+                    <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>
               #include <include/haproxy/rule-backend.xml.i>
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