mongodb

package
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Published: May 14, 2022 License: Apache-2.0 Imports: 6 Imported by: 0

README

MongoDB writer

MongoDB writer provides message repository implementation for MongoDB.

Configuration

The service is configured using the environment variables presented in the following table. Note that any unset variables will be replaced with their default values.

Variable Description Default
MF_NATS_URL NATS instance URL nats://localhost:4222
MF_MONGO_WRITER_LOG_LEVEL Log level for MongoDB writer error
MF_MONGO_WRITER_PORT Service HTTP port 8180
MF_MONGO_WRITER_DB Default MongoDB database name messages
MF_MONGO_WRITER_DB_HOST Default MongoDB database host localhost
MF_MONGO_WRITER_DB_PORT Default MongoDB database port 27017
MF_MONGO_WRITER_CONFIG_PATH Config file path with NATS subjects list, payload type and content-type /config.toml

Deployment

The service itself is distributed as Docker container. Check the mongodb-writer service section in docker-compose to see how service is deployed.

To start the service, execute the following shell script:

# download the latest version of the service
git clone https://github.com/mainflux/mainflux

cd mainflux

# compile the mongodb writer
make mongodb-writer

# copy binary to bin
make install

# Set the environment variables and run the service
MF_NATS_URL=[NATS instance URL] \
MF_MONGO_WRITER_LOG_LEVEL=[MongoDB writer log level] \
MF_MONGO_WRITER_PORT=[Service HTTP port] \
MF_MONGO_WRITER_DB=[MongoDB database name] \
MF_MONGO_WRITER_DB_HOST=[MongoDB database host] \
MF_MONGO_WRITER_DB_PORT=[MongoDB database port] \
MF_MONGO_WRITER_CONFIG_PATH=[Configuration file path with NATS subjects list] \
$GOBIN/mainflux-mongodb-writer

Usage

Starting service will start consuming normalized messages in SenML format.

Documentation

Overview

Package mongodb contains the domain concept definitions needed to support Mainflux MondoDB writer service functionality.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func New

New returns new MongoDB writer.

Types

This section is empty.

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