From 82008aeccaf3142182dd6067db8ff7b5badc672c Mon Sep 17 00:00:00 2001
From: Sven Rebhan <srebhan@influxdata.com>
Date: Wed, 26 Aug 2026 14:10:07 +0200
Subject: [PATCH] fix(migrations.inputs_sflow): Set protocol on migrated config

---
 migrations/inputs_sflow/migration.go                             | 1 +
 migrations/inputs_sflow/testcases/filters/expected.conf          | 1 +
 migrations/inputs_sflow/testcases/minimal/expected.conf          | 1 +
 migrations/inputs_sflow/testcases/read_buffer_size/expected.conf | 1 +
 4 files changed, 4 insertions(+)

diff --git a/migrations/inputs_sflow/migration.go b/migrations/inputs_sflow/migration.go
index 87c87fad7a549..493276c359bd2 100644
--- a/migrations/inputs_sflow/migration.go
+++ b/migrations/inputs_sflow/migration.go
@@ -43,6 +43,7 @@ func migrate(tbl *ast.Table) ([]byte, string, error) {
 
 	// Use a map for the new plugin and fill in the data
 	plugin["service_address"] = old.ServiceAddress
+	plugin["protocol"] = "sflow v5"
 	if old.ReadBufferSize != "" {
 		plugin["read_buffer_size"] = old.ReadBufferSize
 	}
diff --git a/migrations/inputs_sflow/testcases/filters/expected.conf b/migrations/inputs_sflow/testcases/filters/expected.conf
index 2a508cf1f8b6f..5b7785ddbb4f9 100644
--- a/migrations/inputs_sflow/testcases/filters/expected.conf
+++ b/migrations/inputs_sflow/testcases/filters/expected.conf
@@ -1,5 +1,6 @@
 [[inputs.netflow]]
 service_address = "udp://:6343"
+protocol = "sflow v5"
 read_buffer_size = "32KiB"
 fieldinclude = ["a"]
 name_override = "foo"
diff --git a/migrations/inputs_sflow/testcases/minimal/expected.conf b/migrations/inputs_sflow/testcases/minimal/expected.conf
index adc01300ad624..ac2b1a11f064b 100644
--- a/migrations/inputs_sflow/testcases/minimal/expected.conf
+++ b/migrations/inputs_sflow/testcases/minimal/expected.conf
@@ -1,2 +1,3 @@
 [[inputs.netflow]]
 service_address = "udp://:6343"
+protocol = "sflow v5"
\ No newline at end of file
diff --git a/migrations/inputs_sflow/testcases/read_buffer_size/expected.conf b/migrations/inputs_sflow/testcases/read_buffer_size/expected.conf
index 04612793b3f8f..5218a1d4ebe05 100644
--- a/migrations/inputs_sflow/testcases/read_buffer_size/expected.conf
+++ b/migrations/inputs_sflow/testcases/read_buffer_size/expected.conf
@@ -1,3 +1,4 @@
 [[inputs.netflow]]
 service_address = "udp://:6343"
+protocol = "sflow v5"
 read_buffer_size = "32KiB"