Mainflux.mainflux/tools/mqtt-bench/README.md

97 lines
2.7 KiB
Markdown

# MQTT Benchmarking Tool
A simple MQTT benchmarking tool for Mainflux platform.
It connects Mainflux things as subscribers over a number of channels and
uses other Mainflux things to publish messages and create MQTT load.
Mainflux things used must be pre-provisioned first, and Mainflux `provision` tool can be used for this purpose.
## Installation
```
cd tools/mqtt-bench
make
```
## Usage
The tool supports multiple concurrent clients, publishers and subscribers configurable message size, etc:
```
./mqtt-bench --help
Tool for extensive load and benchmarking of MQTT brokers used within Mainflux platform.
Complete documentation is available at https://docs.mainflux.io
Usage:
mqtt-bench [flags]
Flags:
-b, --broker string address for mqtt broker, for secure use tcps and 8883 (default "tcp://localhost:1883")
--ca string CA file (default "ca.crt")
-c, --config string config file for mqtt-bench (default "config.toml")
-n, --count int Number of messages sent per publisher (default 100)
-f, --format string Output format: text|json (default "text")
-h, --help help for mqtt-bench
-m, --mainflux string config file for Mainflux connections (default "connections.toml")
--mtls Use mtls for connection
-p, --pubs int Number of publishers (default 10)
-q, --qos int QoS for published messages, values 0 1 2
--quiet Supress messages
-r, --retain Retain mqtt messages
-z, --size int Size of message payload bytes (default 100)
-t, --skipTLSVer Skip tls verification
-t, --timeout Timeout mqtt messages (default 10000)
```
Two output formats supported: human-readable plain text and JSON.
Before use you need a `mfconn.toml` - a TOML file that describes Mainflux connection data (channels, thingIDs, thingKeys, certs).
You can use `provision` tool (in tools/provision) to create this TOML config file.
Example use and output
Without mtls:
```
./mqtt-bench --broker tcp://localhost:1883 --count 100 --size 100 --qos 0 --format text --pubs 10 --mainflux mfconn.toml
```
With mtls
./mqtt-bench --broker tcps://localhost:8883 --count 100 --size 100 --qos 0 --format text --pubs 10 --mainflux mfconn.toml --mtls -ca ca.crt
```
You can use `config.toml` to create tests with this tool:
```
./mqtt-bench --config config.toml
```
Example of `config.toml`:
```
[mqtt]
[mqtt.broker]
url = "tcp://localhost:1883"
[mqtt.message]
size = 100
format = "text"
qos = 2
retain = true
[mqtt.tls]
mtls = false
skiptlsver = true
ca = "ca.crt"
[test]
pubs = 3
count = 100
[log]
quiet = false
[mainflux]
connections_file = "mfconn.toml"
```
Based on this, a test scenario is provided in `templates/reference.toml` file.