Add a new input plugin for InfiniBand card/port statistics (#6631)

plugins/inputs/infiniband/infiniband.go

@@ -0,0 +1,22 @@
+package infiniband
+
+import (
+	"github.com/influxdata/telegraf"
+)
+
+// Stores the configuration values for the infiniband plugin - as there are no
+// config values, this is intentionally empty
+type Infiniband struct {
+	Log telegraf.Logger `toml:"-"`
+}
+
+// Sample configuration for plugin
+var InfinibandConfig = ``
+
+func (_ *Infiniband) SampleConfig() string {
+	return InfinibandConfig
+}
+
+func (_ *Infiniband) Description() string {
+	return "Gets counters from all InfiniBand cards and ports installed"
+}