Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/outputs/execd/README.md

@@ -0,0 +1,65 @@
+# Executable Daemon Output Plugin
+
+This plugin writes metrics to an external daemon program via `stdin`. The
+command will be executed once and metrics will be passed to it on every write
+in one of the supported [data formats][data_formats].
+The executable and the individual parameters must be defined as a list.
+
+All outputs of the executable to `stderr` will be logged in the Telegraf log.
+Telegraf minimum version: Telegraf 1.15.0
+
+⭐ Telegraf v1.15.0
+🏷️ system
+💻 all
+
+[data_formats]: /docs/DATA_FORMATS_OUTPUT.md
+
+## Global configuration options <!-- @/docs/includes/plugin_config.md -->
+
+In addition to the plugin-specific configuration settings, plugins support
+additional global and plugin configuration settings. These settings are used to
+modify metrics, tags, and field or create aliases and configure ordering, etc.
+See the [CONFIGURATION.md][CONFIGURATION.md] for more details.
+
+[CONFIGURATION.md]: ../../../docs/CONFIGURATION.md#plugins
+
+## Configuration
+
+```toml @sample.conf
+# Run executable as long-running output plugin
+[[outputs.execd]]
+  ## One program to run as daemon.
+  ## NOTE: process and each argument should each be their own string
+  command = ["my-telegraf-output", "--some-flag", "value"]
+
+  ## Environment variables
+  ## Array of "key=value" pairs to pass as environment variables
+  ## e.g. "KEY=value", "USERNAME=John Doe",
+  ## "LD_LIBRARY_PATH=/opt/custom/lib64:/usr/local/libs"
+  # environment = []
+
+  ## Delay before the process is restarted after an unexpected termination
+  restart_delay = "10s"
+
+  ## Flag to determine whether execd should throw error when part of metrics is unserializable
+  ## Setting this to true will skip the unserializable metrics and process the rest of metrics
+  ## Setting this to false will throw error when encountering unserializable metrics and none will be processed
+  ## This setting does not apply when use_batch_format is set.
+  # ignore_serialization_error = false
+
+  ## Use batch serialization instead of per metric. The batch format allows for the
+  ## production of batch output formats and may more efficiently encode and write metrics.
+  # use_batch_format = false
+
+  ## Data format to export.
+  ## Each data format has its own unique set of configuration options, read
+  ## more about them here:
+  ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
+  data_format = "influx"
+```
+
+## Example
+
+see [examples][]
+
+[examples]: examples/