README
signalk-to-influxdb-v2-buffering
Plugin that saves data to an influxdbv2 database - buffers data without internet connection
The plugin is designed to do batch writes to a cloud hosted influxdb2.0 data base. The Plugin now uses the https://github.com/influxdata/influxdb-client-js library. If the conenction to the influxdb is down the batch of metrics should be buffered and re uploaded when the internet connection is re-established
Influx Measurement format
It is storing the metrics in the following format eg:
propulsion.port.transmission.oilPressure = 30.0
navigation.position.latitude = -19.26
The field is always 'value'
Paths Supported
Currently the pulgin is only supporting all paths that have a numrical value (also position and attitude).
Config Parameters
Influxdb2.0 Host URL
the url to your cloud hosted influxb2.0
https://us-west-2-1.aws.cloud2.influxdata.com
Influxdb2.0 Token
the token for your cloud hosted influxb2.0 bucket
somesecrettoken
Influxdb2.0 Organisation
your influxdb2.0 organistion
typically your email
Influxdb2.0 Bucket
which bucket you are storing the metrics in
yourvesseldatabucket
full path to directory where the buffer should be stored (note no at end of dir)
the absolute path to the directory where you want to store your buffer, ensure there is no trailing / at the end
/home/pi/signalkbuffer
Influx Write Options
Batch Size
the maximum points/line to send in a single batch to InfluxDB server
Flush Interval
maximum time in millis to keep points in an unflushed batch, 0 means don't periodically flush
Max Buffer Lines
maximum size of the retry buffer - it contains items that could not be sent for the first time
Max Retries
maximum delay between retries in milliseconds
Max Retry Delay
maximum delay between retries in milliseconds
Min Retry Delay
minimum delay between retries in milliseconds
Retry Jitter
a random value of up to retryJitter is added when scheduling next retry
Default Tags
an array of default tags to add to every point
Tag Name
Name of the tag
Tag Value
Value of the tag