3.9 KiB
3.9 KiB
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_INFLUXDB_HOST | InfluxDB host | localhost |
| MF_INFLUXDB_PORT | Default port of InfluxDB database | 8086 |
| MF_INFLUXDB_ADMIN_USER | Default user of InfluxDB database | mainflux |
| MF_INFLUXDB_ADMIN_PASSWORD | Default password of InfluxDB user | mainflux |
| MF_INFLUXDB_DB | InfluxDB database name | mainflux |
| MF_INFLUX_READER_CLIENT_TLS | Flag that indicates if TLS should be turned on | false |
| MF_INFLUX_READER_CA_CERTS | Path to trusted CAs in PEM format | |
| MF_INFLUX_READER_SERVER_CERT | Path to server certificate in pem format | |
| MF_INFLUX_READER_SERVER_KEY | Path to server key in pem format | |
| MF_JAEGER_URL | Jaeger server URL | localhost:6831 |
| MF_THINGS_AUTH_GRPC_URL | Things service Auth gRPC URL | localhost:8183 |
| MF_THINGS_AUTH_GRPC_TIMEOUT | Things service Auth gRPC request timeout in seconds | 1s |
| MF_AUTH_GRPC_URL | Auth service gRPC URL | localhost:8181 |
| MF_AUTH_GRPC_TIMEOUT | Auth service gRPC request timeout in seconds | 1s |
Deployment
The service itself is distributed as Docker container. Check the influxdb-reader 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 influxdb-reader
make influxdb-reader
# copy binary to bin
make install
# Set the environment variables and run the service
MF_INFLUX_READER_PORT=[Service HTTP port] \
MF_INFLUXDB_DB=[InfluxDB database name] \
MF_INFLUXDB_HOST=[InfluxDB database host] \
MF_INFLUXDB_ADMIN_USER=[InfluxDB database port] \
MF_INFLUXDB_ADMIN_USER=[InfluxDB admin user] \
MF_INFLUXDB_ADMIN_PASSWORD=[InfluxDB admin password] \
MF_INFLUX_READER_CLIENT_TLS=[Flag that indicates if TLS should be turned on] \
MF_INFLUX_READER_CA_CERTS=[Path to trusted CAs in PEM format] \
MF_INFLUX_READER_SERVER_CERT=[Path to server pem certificate file] \
MF_INFLUX_READER_SERVER_KEY=[Path to server pem key file] \
MF_JAEGER_URL=[Jaeger server URL] \
MF_THINGS_AUTH_GRPC_URL=[Things service Auth gRPC URL] \
MF_THINGS_AURH_GRPC_TIMEOUT=[Things service Auth gRPC request timeout in seconds] \
$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.