ipmi_sensor: allow @ symbol in password

CHANGELOG.md

@@ -67,6 +67,7 @@ be deprecated eventually.
 
 ### Bugfixes
 
+- [#2633](https://github.com/influxdata/telegraf/pull/2633): ipmi_sensor: allow @ symbol in password
 - [#2077](https://github.com/influxdata/telegraf/issues/2077): SQL Server Input - Arithmetic overflow error converting numeric to data type int.
 - [#2262](https://github.com/influxdata/telegraf/issues/2262): Flush jitter can inhibit metric collection.
 - [#2318](https://github.com/influxdata/telegraf/issues/2318): haproxy input - Add missing fields.

plugins/inputs/ipmi_sensor/connection.go

@@ -18,7 +18,7 @@ type Connection struct {
 
 func NewConnection(server string) *Connection {
 	conn := &Connection{}
-	inx1 := strings.Index(server, "@")
+	inx1 := strings.LastIndex(server, "@")
 	inx2 := strings.Index(server, "(")
 	inx3 := strings.Index(server, ")")
 

plugins/inputs/ipmi_sensor/connection_test.go

@@ -0,0 +1,42 @@
+package ipmi_sensor
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type conTest struct {
+	Got  string
+	Want *Connection
+}
+
+func TestNewConnection(t *testing.T) {
+	testData := []struct {
+		addr string
+		con  *Connection
+	}{
+		{
+			"USERID:PASSW0RD@lan(192.168.1.1)",
+			&Connection{
+				Hostname:  "192.168.1.1",
+				Username:  "USERID",
+				Password:  "PASSW0RD",
+				Interface: "lan",
+			},
+		},
+		{
+			"USERID:PASS:!@#$%^&*(234)_+W0RD@lan(192.168.1.1)",
+			&Connection{
+				Hostname:  "192.168.1.1",
+				Username:  "USERID",
+				Password:  "PASS:!@#$%^&*(234)_+W0RD",
+				Interface: "lan",
+			},
+		},
+	}
+
+	for _, v := range testData {
+		assert.Equal(t, v.con, NewConnection(v.addr))
+	}
+}