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* Add batch of streams Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Add env variables for batch point setup Fix InfluxDB reader tests. Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Update Compose and Kubernetes config Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Update env variables Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Update docs Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Remove unused const Refactor code and docs. Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Handle NewBatchPoints error Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Reduce wait time in batch save test Fix typos. Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Update tests Use single test with multiple cases to test single point save as well as a batch of points. Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com> * Add an explanation for not resetting ticker Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com>
InfluxDB reader
InfluxDB reader provides message repository implementation for InfluxDB.
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_INFLUX_READER_PORT | Service HTTP port | 8180 |
| MF_INFLUX_READER_DB_NAME | InfluxDB database name | mainflux |
| MF_INFLUX_READER_DB_HOST | InfluxDB host | localhost |
| MF_INFLUX_READER_DB_PORT | Default port of InfluxDB database | 8086 |
| MF_INFLUX_READER_DB_USER | Default user of InfluxDB database | mainflux |
| MF_INFLUX_READER_DB_PASS | Default password of InfluxDB user | mainflux |
Deployment
version: "2"
influxdb-reader:
image: mainflux/influxdb-reader:[version]
container_name: [instance name]
restart: on-failure
environment:
MF_THINGS_URL: [Things service URL]
MF_INFLUX_READER_PORT: [Service HTTP port]
MF_INFLUX_READER_DB_NAME: [InfluxDB name]
MF_INFLUX_READER_DB_HOST: [InfluxDB host]
MF_INFLUX_READER_DB_PORT: [InfluxDB port]
MF_INFLUX_READER_DB_USER: [InfluxDB admin user]
MF_INFLUX_READER_DB_PASS: [InfluxDB admin password]
ports:
- [host machine port]:[configured HTTP port]
To start the service, execute the following shell script:
# download the latest version of the service
go get github.com/mainflux/mainflux
cd $GOPATH/src/github.com/mainflux/mainflux
# compile the influxdb-reader
make influxdb-reader
# copy binary to bin
make install
# Set the environment variables and run the service
MF_THINGS_URL=[Things service URL] MF_INFLUX_READER_PORT=[Service HTTP port] MF_INFLUX_READER_DB_NAME=[InfluxDB database name] MF_INFLUX_READER_DB_HOST=[InfluxDB database host] MF_INFLUX_READER_DB_PORT=[InfluxDB database port] MF_INFLUX_READER_DB_USER=[InfluxDB admin user] MF_INFLUX_READER_DB_PASS=[InfluxDB admin password] $GOBIN/mainflux-influxdb
Using docker-compose
This service can be deployed using docker containers. Docker compose file is
available in <project_root>/docker/addons/influxdb-reader/docker-compose.yml.
In order to run all Mainflux core services, as well as mentioned optional ones,
execute following command:
docker-compose -f docker/docker-compose.yml up -d
docker-compose -f docker/addons/influxdb-reader/docker-compose.yml up -d
Usage
Service exposes HTTP API for fetching messages.