Telegraf 1.18.2 release notes (#2462)

* https://github.com/influxdata/docs-v2/issues/2461

* add space
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kelseiv 2021-04-29 16:47:39 -07:00 committed by GitHub
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parent: About the project
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## v1.18.2 [2021-04-29]
- Make JSON format compatible with nulls to ensure Telegraf successfully detects null values and returns an empty metric without error.
- Update `common.shim` by changing `NewStreamParser` to accept larger inputs from scanner.
### Input plugin updates
- [APCUPSD Input](https://github.com/influxdata/telegraf/blob/release-1.18/plugins/inputs/apcupsd/README.md) (`apcupsd`):
Resolve an 'ALARMDEL' bug in a forked repository. This fix ensures the plugin works when `no alarm` delay duration is set.
- [NFS Client Input](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/nfsclient) (`nfsclient`): Update to successfully collect metrics other than read and write.
- [SNMP Input](https://github.com/influxdata/telegraf/blob/release-1.18/plugins/inputs/snmp/README.md) (`snmp`): Update to log snmpv3 auth failures.
- [VMware vSphere Input](https://github.com/influxdata/telegraf/blob/release-1.18/plugins/inputs/vsphere/README.md) (`vsphere`): Add `MetricLookback` setting to handle reporting delays in vCenter 6.7 and later.
- [OPC UA Client Input](https://github.com/influxdata/telegraf/blob/release-1.18/plugins/inputs/opcua/README.md) (`opcua`): Fix error handling.
### Output plugin updates
- [Sumo Logic Output](https://github.com/influxdata/telegraf/blob/release-1.18/plugins/outputs/sumologic/README.md) (`sumologic`): Add support to [sanitize the metric name](https://github.com/influxdata/telegraf/tree/release-1.18/plugins/serializers/carbon2#metric-name-sanitization) in Carbon2 serializer.
### Processor plugin updates
- [Converter Processor](https://github.com/influxdata/telegraf/blob/release-1.18/plugins/processors/converter/README.md) (`converter`):
Add support for `float64` to support converting longer hexadecimal string values to a numeric type without losing in precision. Note, if a string number exceeds the size limit for `float64`, precison may be lost.
## v1.18.1 [2021-04-07]
- Agent: Closes running outputs when agent reloads on SIGHUP.