ClusterCockpit/cc-metric-collector
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Update README for sinks and rename file

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Thomas Roehl 2021-05-18 15:39:02 +02:00
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sinks/README.md
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This folder contains the sinks for the cc-metric-collector. This folder contains the sinks for the cc-metric-collector.
# `sink.go` # `metricSink.go`
The base class/configuration is located in `sink.go`. The base class/configuration is located in `metricSink.go`.
# Sinks # Sinks
There are currently two sinks shipped with the cc-metric-collector:
* `stdoutSink.go`: Writes all metrics to `stdout` in InfluxDB line protocol. The sink does not use https://github.com/influxdata/line-protocol to reduce the executed code for debugging * `stdoutSink.go`: Writes all metrics to `stdout` in InfluxDB line protocol. The sink does not use https://github.com/influxdata/line-protocol to reduce the executed code for debugging
* `influxSink.go`: Writes all metrics to an InfluxDB database instance using a blocking writer. It uses https://github.com/influxdata/influxdb-client-go . Configuration for the server, port, user, password and database name are in the global configuration file * `influxSink.go`: Writes all metrics to an InfluxDB database instance using a blocking writer. It uses https://github.com/influxdata/influxdb-client-go . Configuration for the server, port, user, password and database name are in the global configuration file
* `natsSink.go`: Sends all metrics to an NATS server using the InfluxDB line protocol as encoding. It uses https://github.com/nats-io/nats.go . Configuration for the server, port, user, password and database name are in the global configuration file. The database name is used as subject for the NATS messages. * `natsSink.go`: Sends all metrics to an NATS server using the InfluxDB line protocol as encoding. It uses https://github.com/nats-io/nats.go . Configuration for the server, port, user, password and database name are in the global configuration file. The database name is used as subject for the NATS messages.
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Nothing to do, all sinks are pure Go code Nothing to do, all sinks are pure Go code
# Contributing own sinks # Contributing own sinks
A sink contains three functions and is derived from the type `Sink` (in `sink.go`): A sink contains three functions and is derived from the type `Sink` (in `metricSink.go`):
* `Init(host string, port string, user string, password string, database string) error` * `Init(config SinkConfig) error`
* `Write(measurement string, tags map[string]string, fields map[string]interface{}, t time.Time) error` * `Write(measurement string, tags map[string]string, fields map[string]interface{}, t time.Time) error`
* `Close()` * `Close()`

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sinks/sink.go → sinks/metricSink.go
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