Simple micro-load generator for InfluxDB using docker-compose

client.sh

#!/bin/bash

url=http://influxdb:8086
db=loadtest_$RANDOM

set -e

curl -s -XPOST "$url/query?" --data-urlencode "q=CREATE DATABASE $db WITH DURATION 1h SHARD DURATION 10s" > /dev/null

write_and_test()  {
  local series=$1
  local n=$2
  local point="ctr,s=$series n=$n"
  curl -s -XPOST "$url/write?db=$db" --data-binary "$point" > /dev/null

  local query="SELECT last(n) FROM ctr WHERE s='$series'"
  curl -s "$url/query?db=$db" --data-urlencode "q=$query" > /dev/null
}

n=0
while true; do
  n=$((n+1))
  for series in $(seq 10); do
    write_and_test $series $n
  done
done

docker-compose.yml

version: '2'
services:
  influxdb:
    environment:
      INFLUXDB_HTTP_LOG_ENABLED: "false"
      INFLUXDB_DATA_QUERY_LOG_ENABLED: "false"
    image: influxdb:1.0.0-beta3-alpine
    ports:
      - 8086
  client:
    build:
      context: .
      dockerfile: Dockerfile_client
    links:
      - influxdb

Dockerfile_client

FROM alpine:latest

RUN apk add --no-cache \
  bash \
  curl

COPY ./client.sh /client.sh
CMD ["/client.sh"]