T5942: Make failover support dhcp-interface

* Refactor XML a little: move common dhcp-interface properties to
  separate include file
* Add failover support for dhcp-interface
* Add test for DHCP in failover protocol

1 files changed, 105 insertions, 0 deletions

diff --git a/interface-definitions/include/failover/common-failover.xml.i b/interface-definitions/include/failover/common-failover.xml.i
new file mode 100644
index 000000000..b147a0f8d
--- /dev/null
+++ b/interface-definitions/include/failover/common-failover.xml.i
@@ -0,0 +1,105 @@
+<!-- include start from include/failover/common-failover.xml.i -->
+<children>
+  <node name="check">
+    <properties>
+      <help>Check target options</help>
+    </properties>
+    <children>
+      <leafNode name="policy">
+        <properties>
+          <help>Policy for check targets</help>
+          <completionHelp>
+            <list>any-available all-available</list>
+          </completionHelp>
+          <valueHelp>
+            <format>all-available</format>
+            <description>All targets must be alive</description>
+          </valueHelp>
+          <valueHelp>
+            <format>any-available</format>
+            <description>Any target must be alive</description>
+          </valueHelp>
+          <constraint>
+            <regex>(all-available|any-available)</regex>
+          </constraint>
+        </properties>
+        <defaultValue>any-available</defaultValue>
+      </leafNode>
+      #include <include/port-number.xml.i>
+      <tagNode name="target">
+        <properties>
+          <help>Check target address</help>
+          <valueHelp>
+            <format>ipv4</format>
+            <description>Address to check</description>
+          </valueHelp>
+          <constraint>
+            <validator name="ipv4-address"/>
+          </constraint>
+        </properties>
+        <children>
+          #include <include/interface/vrf.xml.i>
+          #include <include/generic-interface.xml.i>
+        </children>
+      </tagNode>
+      <leafNode name="timeout">
+        <properties>
+          <help>Timeout between checks</help>
+          <valueHelp>
+            <format>u32:1-300</format>
+            <description>Timeout in seconds between checks</description>
+          </valueHelp>
+          <constraint>
+            <validator name="numeric" argument="--range 1-255"/>
+          </constraint>
+        </properties>
+        <defaultValue>10</defaultValue>
+      </leafNode>
+      <leafNode name="type">
+        <properties>
+          <help>Check type</help>
+          <completionHelp>
+            <list>arp icmp tcp</list>
+          </completionHelp>
+          <valueHelp>
+            <format>arp</format>
+            <description>Check target by ARP</description>
+          </valueHelp>
+          <valueHelp>
+            <format>icmp</format>
+            <description>Check target by ICMP</description>
+          </valueHelp>
+          <valueHelp>
+            <format>tcp</format>
+            <description>Check target by TCP</description>
+          </valueHelp>
+          <constraint>
+            <regex>(arp|icmp|tcp)</regex>
+          </constraint>
+        </properties>
+        <defaultValue>icmp</defaultValue>
+      </leafNode>
+    </children>
+  </node>
+  #include <include/generic-interface.xml.i>
+  <leafNode name="metric">
+    <properties>
+      <help>Route metric for this gateway</help>
+      <valueHelp>
+        <format>u32:1-255</format>
+        <description>Route metric</description>
+      </valueHelp>
+      <constraint>
+        <validator name="numeric" argument="--range 1-255"/>
+      </constraint>
+    </properties>
+    <defaultValue>1</defaultValue>
+  </leafNode>
+  <leafNode name="onlink">
+    <properties>
+      <help>The next hop is directly connected to the interface, even if it does not match interface prefix</help>
+      <valueless/>
+    </properties>
+  </leafNode>
+</children>
+<!-- include end -->