v1.21.0 [2021-12-15]

Release Notes

The signing for RPM digest has changed to use sha256 to improve security. Please see the pull request for more details: #10272.

Thank you to @zak-pawel for lots of linter fixes!

Bugfixes

• #10268 inputs.snmp Update snmp plugin to respect number of retries configured
• #10225 outputs.wavefront Flush wavefront output sender on error to clean up broken connections
• #9970 Restart Telegraf service if it is already running and upgraded via RPM
• #10188 parsers.xpath Handle duplicate registration of protocol-buffer files gracefully
• #10132 inputs.http_listener_v2 Fix panic on close to check that Telegraf is closing
• #10196 outputs.elasticsearch Implement NaN and inf handling for elasticsearch output
• #10205 Print loaded plugins and deprecations for once and test flags
• #10214 processors.ifname Eliminate MIB dependency for ifname processor
• #10206 inputs.snmp Optimize locking for SNMP MIBs loading
• #9975 inputs.kube_inventory Set TLS server name config properly
• #10230 Sudden close of Telegraf caused by OPC UA input plugin
• #9913 Update eclipse/paho.mqtt.golang module from 1.3.0 to 1.3.5
• #10221 parsers.json_v2 Parser timestamp setting order
• #10209 outputs.graylog Ensure graylog spec fields not prefixed with _
• #10099 inputs.zfs Pool detection and metrics gathering for ZFS >= 2.1.x
• #10007 processors.ifname Parallelism fix for ifname processor
• #10208 inputs.mqtt_consumer Mqtt topic extracting no longer requires all three fields
• #9616 Windows Service - graceful shutdown of telegraf
• #10203 Revert unintented corruption of the Makefile
• #10112 inputs.cloudwatch Cloudwatch metrics collection
• #10178 outputs.all Register bigquery to output plugins
• #10165 inputs.sysstat Sysstat to use unique temp file vs hard-coded
• #10046 Update nats-sever to support openbsd
• #10091 inputs.prometheus Check error before defer in prometheus k8s
• #10101 inputs.win_perf_counters Add setting to win_perf_counters input to ignore localization
• #10136 inputs.snmp_trap Remove snmptranslate from readme and fix default path
• #10116 inputs.statsd Input plugin statsd parse error
• #10131 Skip knxlistener when writing the sample config
• #10119 inputs.cpu Update shirou/gopsutil from v2 to v3
• #10074 outputs.graylog Failing test due to port already in use
• #9865 inputs.directory_monitor Directory monitor input plugin when data format is CSV and csv_skip_rows>0 and csv_header_row_count>=1
• #9862 outputs.graylog Graylog plugin TLS support and message format
• #9908 parsers.json_v2 Remove dead code
• #9881 outputs.graylog Mute graylog UDP/TCP tests by marking them as integration
• #9751 Update google.golang.org/grpc module from 1.39.1 to 1.40.0

Features

• #10200 aggregators.deprecations.go Implement deprecation infrastructure
• #9518 inputs.snmp Snmp to use gosmi
• #10130 outputs.influxdb_v2 Add retry to 413 errors with InfluxDB output
• #10144 inputs.win_services Add exclude filter
• #9995 inputs.mqtt_consumer Enable extracting tag values from MQTT topics
• #9419 aggregators.all Add support of aggregator as Starlark script
• #9561 processors.regex Extend regexp processor do allow renaming of measurements, tags and fields
• #8184 outputs.http Add use_batch_format for HTTP output plugin
• #9988 inputs.kafka_consumer Add max_processing_time config to Kafka Consumer input
• #9841 inputs.sqlserver Add additional metrics to support elastic pool (sqlserver plugin)
• #9910 common.tls Filter client certificates by DNS names
• #9942 outputs.azure_data_explorer Add option to skip table creation in azure data explorer output
• #9984 processors.ifname Add more details to logmessages
• #9833 common.kafka Add metadata full to config
• #9876 Update etc/telegraf.conf and etc/telegraf_windows.conf
• #9256 inputs.modbus Modbus connection settings (serial)
• #9860 inputs.directory_monitor Adds the ability to create and name a tag containing the filename using the directory monitor input plugin
• #9740 inputs.prometheus Add ignore_timestamp option
• #9513 processors.starlark Starlark processor example for processing sparkplug_b messages
• #9449 parsers.json_v2 Support defining field/tag tables within an object table
• #9827 inputs.elasticsearch_query Add debug query output to elasticsearch_query
• #9241 inputs.snmp Telegraf to merge tables with different indexes
• #9013 inputs.opcua Allow user to select the source for the metric timestamp.
• #9706 inputs.puppetagent Add measurements from puppet 5
• #9644 outputs.graylog Add graylog plugin TCP support
• #8229 outputs.azure_data_explorer Add json_timestamp_layout option

New Input Plugins

• #9724 Add intel_pmu plugin
• #9771 Add Linux Volume Manager input plugin
• #9236 Openstack input plugin

New Output Plugins

• #9891 Add new groundwork output plugin
• #9923 Add mongodb output plugin
• #9346 Azure Event Hubs output plugin