Mainflux.mainflux/readers/influxdb
Manuel Imperiale f0f60e2d2a
MF-1314 - Add value comparison filters for readers (#1353)
* MF-1314 - Add value comparison filters for readers

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>

* Check if comparison parameter is valid

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>

* Use eq, lt, lte, gt, gte as comparison operator keys

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>

* Use consts for comparison operators

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>

* Use comparator naming instead of comparison

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>

* Fix openapi.yml

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>

* Fix typo

Signed-off-by: Manuel Imperiale <manuel.imperiale@gmail.com>
2021-02-09 22:44:04 +01:00
..
README.md NOISSUE - Upgrade Mongo, Cassandra and Influx docker images (#1354) 2021-02-05 12:32:21 +01:00
doc.go MF-311 - Implement basic InfluxDB reader (#365) 2018-08-25 12:48:03 +02:00
messages.go MF-1314 - Add value comparison filters for readers (#1353) 2021-02-09 22:44:04 +01:00
messages_test.go MF-1314 - Add value comparison filters for readers (#1353) 2021-02-09 22:44:04 +01:00
setup_test.go NOISSUE - Upgrade Mongo, Cassandra and Influx docker images (#1354) 2021-02-05 12:32:21 +01:00

README.md

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_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:8181
MF_THINGS_AUTH_GRPC_TIMEOUT Things service Auth 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_INFLUX_READER_DB_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.