From 3fbe35c8ab0e5dc5fd7af1a5fc8b39e848655d36 Mon Sep 17 00:00:00 2001
From: Christian Breunig <christian@breunig.cc>
Date: Tue, 28 Feb 2023 22:24:38 +0100
Subject: T4967: xml: provide re-usable constraint for CLI host-name
 definitions

(cherry picked from commit d14a6814acb173cdc6df13212620f7da330434ed)
---
 interface-definitions/container.xml.in                    | 2 +-
 interface-definitions/dns-domain-name.xml.in              | 2 +-
 interface-definitions/include/constraint/host-name.xml.in | 3 +++
 3 files changed, 5 insertions(+), 2 deletions(-)
 create mode 100644 interface-definitions/include/constraint/host-name.xml.in

diff --git a/interface-definitions/container.xml.in b/interface-definitions/container.xml.in
index 4614bc892..91fb4dba0 100644
--- a/interface-definitions/container.xml.in
+++ b/interface-definitions/container.xml.in
@@ -117,7 +117,7 @@
             <properties>
               <help>Container host name</help>
               <constraint>
-                <regex>[A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9]</regex>
+                #include <include/constraint/host-name.xml.in>
               </constraint>
               <constraintErrorMessage>Host-name must be alphanumeric and can contain hyphens</constraintErrorMessage>
             </properties>
diff --git a/interface-definitions/dns-domain-name.xml.in b/interface-definitions/dns-domain-name.xml.in
index a599a75cc..d77c94898 100644
--- a/interface-definitions/dns-domain-name.xml.in
+++ b/interface-definitions/dns-domain-name.xml.in
@@ -33,7 +33,7 @@
         <properties>
           <help>System host name (default: vyos)</help>
           <constraint>
-            <regex>[A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9]</regex>
+            #include <include/constraint/host-name.xml.in>
           </constraint>
         </properties>
       </leafNode>
diff --git a/interface-definitions/include/constraint/host-name.xml.in b/interface-definitions/include/constraint/host-name.xml.in
new file mode 100644
index 000000000..202c200f4
--- /dev/null
+++ b/interface-definitions/include/constraint/host-name.xml.in
@@ -0,0 +1,3 @@
+<!-- include start from constraint/host-name.xml.in -->
+<regex>[A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9]</regex>
+<!-- include end -->
-- 
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