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This Service was developed to allow faking of randomized data for testing purposes.
This service was built using dropwizard It exposes a single REST endpoint "fake-data", that accepts json template body with mustache parameters, then it parse the template replacing mustache parameters with real values and send the result to the endpoint supplied by "sendto" query param.
Supported mustache parameters:
| mustache parameter | description |
|---|---|
| {{status}} | randomize value of {"new", "in progress", "done"} |
| {{time}} | now in POSIX-time format (accepted by influxdb) |
Supported query parameters:
| query parameter | description |
|---|---|
| repeat | how many time to evaluate the template (each time with new values), for example: ?repeat=5 (default is 1) |
| dbname | influxdb dbname to use (default is "db1") |
| sendto | what is the target to send the data to. currently supported values are "influxdb" and "rabbitmq" (default is "rabbitmq") |
Here is example for how to use it:
curl -H "Content-Type: application/json" -X POST
-d '[{"name":"my_time_series","points":[[{{time}},"{{status}}"]],"columns":["time", "status"]}]'
'http://localhost:8080/fake-data?repeat=2&sendto=influxdb'
Best way to run the service is using docker. In this example we link influxdb container with data-faker container
docker run -d -p 8083:8083 -p 8086:8086 -e PRE_CREATE_DB="db1" --name influxdb tutum/influxdb
docker run -d -p 8080:8080 -p 8081:8081 --link influxdb:influxdb --name facker gaiaadm/data-faker
data-faker ships with default configuration, here is an example how to override the configuration
docker run -d -p 11000:8080 -p 11001:8081 --name facker3 gaiaadm/data-faker
java -Ddw.rabbitmq.host=OTHERHOST -Ddw.influxdb.port=OTHERPORT
-jar /data/target/data-faker-1.0-SNAPSHOT.jar server
To find out what are the values you can override, check out RabbitmqConfiguration.java and InfluxdbConfiguration.java