Don't retry points beyond retention policy (#3155)

(cherry picked from commit 1f4a997164)

plugins/outputs/influxdb/influxdb.go

@@ -88,7 +88,7 @@ var sampleConfig = `
 
   ## HTTP Proxy Config
   # http_proxy = "http://corporate.proxy:3128"
-  
+
   ## Compress each HTTP request payload using GZIP.
   # content_encoding = "gzip"
 `
@@ -199,6 +199,7 @@ func (i *InfluxDB) Write(metrics []telegraf.Metric) error {
 						i.Database)
 				}
 			}
+
 			if strings.Contains(e.Error(), "field type conflict") {
 				log.Printf("E! Field type conflict, dropping conflicted points: %s", e)
 				// setting err to nil, otherwise we will keep retrying and points
@@ -206,6 +207,31 @@ func (i *InfluxDB) Write(metrics []telegraf.Metric) error {
 				err = nil
 				break
 			}
+
+			if strings.Contains(e.Error(), "points beyond retention policy") {
+				log.Printf("W! Points beyond retention policy: %s", e)
+				// This error is indicates the point is older than the
+				// retention policy permits, and is probably not a cause for
+				// concern.  Retrying will not help unless the retention
+				// policy is modified.
+				err = nil
+				break
+			}
+
+			if strings.Contains(e.Error(), "unable to parse") {
+				log.Printf("E! Parse error; dropping points: %s", e)
+				// This error indicates a bug in Telegraf or InfluxDB parsing
+				// of line protocol.  Retries will not be successful.
+				err = nil
+				break
+			}
+
+			if strings.Contains(e.Error(), "hinted handoff queue not empty") {
+				// This is an informational message
+				err = nil
+				break
+			}
+
 			// Log write failure
 			log.Printf("E! InfluxDB Output Error: %s", e)
 		} else {