Update influxdb and influxdb_v2 outputs with new option

plugins/outputs/influxdb/influxdb.go

@@ -54,6 +54,7 @@ type InfluxDB struct {
 	ContentEncoding           string            `toml:"content_encoding"`
 	SkipDatabaseCreation      bool              `toml:"skip_database_creation"`
 	InfluxUintSupport         bool              `toml:"influx_uint_support"`
+	OmitTimestamp             bool              `toml:"influx_omit_timestamp"`
 	Precision                 string            `toml:"precision" deprecated:"1.0.0;option is ignored"`
 	Log                       telegraf.Logger   `toml:"-"`
 	tls.ClientConfig
@@ -160,7 +161,10 @@ func (i *InfluxDB) Write(metrics []telegraf.Metric) error {
 }
 
 func (i *InfluxDB) udpClient(address *url.URL) (Client, error) {
-	serializer := &influx.Serializer{UintSupport: i.InfluxUintSupport}
+	serializer := &influx.Serializer{
+		UintSupport:   i.InfluxUintSupport,
+		OmitTimestamp: i.OmitTimestamp,
+	}
 	if err := serializer.Init(); err != nil {
 		return nil, err
 	}
@@ -186,7 +190,10 @@ func (i *InfluxDB) httpClient(ctx context.Context, address *url.URL, proxy *url.
 		return nil, err
 	}
 
-	serializer := &influx.Serializer{UintSupport: i.InfluxUintSupport}
+	serializer := &influx.Serializer{
+		UintSupport:   i.InfluxUintSupport,
+		OmitTimestamp: i.OmitTimestamp,
+	}
 	if err := serializer.Init(); err != nil {
 		return nil, err
 	}

plugins/outputs/influxdb/sample.conf

@@ -75,3 +75,9 @@
   ## integer values.  Enabling this option will result in field type errors if
   ## existing data has been written.
   # influx_uint_support = false
+
+  ## When true, Telegraf will omit the timestamp on data to allow InfluxDB
+  ## to set the timestamp of the data during ingestion. This is generally NOT
+  ## what you want as it can lead to data points captured at different times
+  ## getting omitted due to similar data.
+  # influx_omit_timestamp = false

plugins/outputs/influxdb_v2/influxdb_v2.go

@@ -46,6 +46,7 @@ type InfluxDB struct {
 	UserAgent        string            `toml:"user_agent"`
 	ContentEncoding  string            `toml:"content_encoding"`
 	UintSupport      bool              `toml:"influx_uint_support"`
+	OmitTimestamp    bool              `toml:"influx_omit_timestamp"`
 	PingTimeout      config.Duration   `toml:"ping_timeout"`
 	ReadIdleTimeout  config.Duration   `toml:"read_idle_timeout"`
 	tls.ClientConfig
@@ -127,7 +128,10 @@ func (i *InfluxDB) getHTTPClient(address *url.URL, proxy *url.URL) (Client, erro
 		return nil, err
 	}
 
-	serializer := &influx.Serializer{UintSupport: i.UintSupport}
+	serializer := &influx.Serializer{
+		UintSupport:   i.UintSupport,
+		OmitTimestamp: i.OmitTimestamp,
+	}
 	if err := serializer.Init(); err != nil {
 		return nil, err
 	}

plugins/outputs/influxdb_v2/sample.conf

@@ -43,6 +43,12 @@
   ## Enable or disable uint support for writing uints influxdb 2.0.
   # influx_uint_support = false
 
+  ## When true, Telegraf will omit the timestamp on data to allow InfluxDB
+  ## to set the timestamp of the data during ingestion. This is generally NOT
+  ## what you want as it can lead to data points captured at different times
+  ## getting omitted due to similar data.
+  # influx_omit_timestamp = false
+
   ## HTTP/2 Timeouts
   ## The following values control the HTTP/2 client's timeouts. These settings
   ## are generally not required unless a user is seeing issues with client

plugins/serializers/influx/README.md

@@ -35,7 +35,7 @@ for interoperability.
   ## to set the timestamp of the data during ingestion. This is generally NOT
   ## what you want as it can lead to data points captured at different times
   ## getting omitted due to similar data.
-  # influx_omit_timestamp = true
+  # influx_omit_timestamp = false
 ```
 
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