From 707641f4dc947bce84eeff5499665e1cf76d7806 Mon Sep 17 00:00:00 2001
From: Viacheslav Hletenko <v.gletenko@vyos.io>
Date: Tue, 14 Mar 2023 18:45:04 +0000
Subject: T5086: Add sFlow feature based on hsflowd

Add sFlow feature based on hsflowd
According to user reviews, it works more stable and more productive
than pmacct
I haven't deleted 'pmacct' 'system flow-accounting sflow' yet
It could be migrated or deprecated later

  set system sflow agent-address '192.0.2.14'
  set system sflow interface 'eth0'
  set system sflow interface 'eth1'
  set system sflow polling '30'
  set system sflow sampling-rate '100'
  set system sflow server 192.0.2.1 port '6343'
  set system sflow server 192.0.2.11 port '6343'
---
 interface-definitions/system-sflow.xml.in | 103 ++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 interface-definitions/system-sflow.xml.in

(limited to 'interface-definitions')

diff --git a/interface-definitions/system-sflow.xml.in b/interface-definitions/system-sflow.xml.in
new file mode 100644
index 000000000..a53c99937
--- /dev/null
+++ b/interface-definitions/system-sflow.xml.in
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- sflow configuration -->
+<interfaceDefinition>
+  <node name="system">
+    <children>
+      <node name="sflow" owner="${vyos_conf_scripts_dir}/system_sflow.py">
+        <properties>
+          <help>sFlow settings</help>
+          <priority>990</priority>
+        </properties>
+        <children>
+          <leafNode name="agent-address">
+            <properties>
+              <help>sFlow agent IPv4 or IPv6 address</help>
+              <completionHelp>
+                <list>auto</list>
+                <script>${vyos_completion_dir}/list_local_ips.sh --both</script>
+              </completionHelp>
+              <valueHelp>
+                <format>ipv4</format>
+                <description>sFlow IPv4 agent address</description>
+              </valueHelp>
+              <valueHelp>
+                <format>ipv6</format>
+                <description>sFlow IPv6 agent address</description>
+              </valueHelp>
+              <constraint>
+                <validator name="ipv4-address"/>
+                <validator name="ipv6-address"/>
+                <validator name="ipv6-link-local"/>
+              </constraint>
+            </properties>
+          </leafNode>
+          <leafNode name="agent-interface">
+            <properties>
+              <help>IP address associated with this interface</help>
+              <completionHelp>
+                <script>${vyos_completion_dir}/list_interfaces</script>
+              </completionHelp>
+              <valueHelp>
+                <format>txt</format>
+                <description>Interface name</description>
+              </valueHelp>
+              <constraint>
+                #include <include/constraint/interface-name.xml.in>
+              </constraint>
+            </properties>
+          </leafNode>
+          #include <include/generic-interface-multi.xml.i>
+          <leafNode name="polling">
+            <properties>
+              <help>Schedule counter-polling in seconds</help>
+              <valueHelp>
+                <format>u32:1-600</format>
+                <description>Polling rate in seconds</description>
+              </valueHelp>
+              <constraint>
+                <validator name="numeric" argument="--range 1-600"/>
+              </constraint>
+            </properties>
+            <defaultValue>30</defaultValue>
+          </leafNode>
+          <leafNode name="sampling-rate">
+            <properties>
+              <help>sFlow sampling-rate</help>
+              <valueHelp>
+                <format>u32:1-65535</format>
+                <description>Sampling rate (1 in N packets)</description>
+              </valueHelp>
+              <constraint>
+                <validator name="numeric" argument="--range 1-65535"/>
+              </constraint>
+            </properties>
+            <defaultValue>1000</defaultValue>
+          </leafNode>
+          <tagNode name="server">
+            <properties>
+              <help>sFlow destination server</help>
+              <valueHelp>
+                <format>ipv4</format>
+                <description>IPv4 server to export sFlow</description>
+              </valueHelp>
+              <valueHelp>
+                <format>ipv6</format>
+                <description>IPv6 server to export sFlow</description>
+              </valueHelp>
+              <constraint>
+                <validator name="ipv4-address"/>
+                <validator name="ipv6-address"/>
+              </constraint>
+            </properties>
+            <children>
+              #include <include/port-number.xml.i>
+              <leafNode name="port">
+                <defaultValue>6343</defaultValue>
+              </leafNode>
+            </children>
+          </tagNode>
+        </children>
+      </node>
+    </children>
+  </node>
+</interfaceDefinition>
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