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105 lines
3.3 KiB
Markdown
105 lines
3.3 KiB
Markdown
mosquitto
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=========
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[Mosquitto][1] is an open source (BSD licensed) message broker that implements
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the MQ Telemetry Transport protocol versions 3.1 and 3.1.1.
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## docker-compose.yml
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```yaml
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mosquitto:
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image: vimagick/mosquitto
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ports:
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- "1883:1883"
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- "8080:8080"
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- "8883:8883"
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volumes:
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- ./data/mosquitto.conf:/etc/mosquitto/mosquitto.conf
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- ./data/pwfile:/etc/mosquitto/pwfile
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- ./data:/var/lib/mosquitto
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restart: always
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```
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## mosquitto.conf
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```ini
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port 1883
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log_dest stdout
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allow_anonymous false
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password_file /etc/mosquitto/pwfile
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persistence true
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persistence_location /var/lib/mosquitto
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###### ENABLE TLS ######
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listener 8883
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protocol mqtt
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capath /etc/ssl/certs
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certfile /var/lib/mosquitto/fullchain.pem
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keyfile /var/lib/mosquitto/privkey.pem
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require_certificate false
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```
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- `pwfile` is managed by [mosquitto_passwd][3].
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- Two methods to support TLS:
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- You can get free TLS certificates from letsencrypt, `capath` is needed.
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- Self-signed TLS keys can be generated by [openssl][2], `cafile` is needed.
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> It is important to use different certificate subject parameters for your self-signed CA, server and clients.
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## server
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```bash
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$ mkdir -m 777 data
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$ touch data/mosquitto.conf data/pwfile
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$ vi data/mosquitto.conf
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$ docker-compose up -d
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$ docker-compose exec mosquitto sh
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>>> cd /etc/mosquitto
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>>> mosquitto_passwd -b pwfile username password
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>>> cat pwfile
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username:$6$IuF7JUzS1k/QoF3y$YpiClom7/==
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>>> exit
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$ docker-compose restart
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$ docker-compose logs -f
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Attaching to mosquitto_mosquitto_1
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mosquitto_1 | 1478107412: mosquitto version 1.4.8 (build date 2016-05-16 14:17:19+0000) starting
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mosquitto_1 | 1478107412: Config loaded from /etc/mosquitto/mosquitto.conf.
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mosquitto_1 | 1478107412: Opening ipv4 listen socket on port 8883.
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mosquitto_1 | 1478107412: Opening ipv6 listen socket on port 8883.
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mosquitto_1 | 1478107437: New connection from 192.168.31.102 on port 8883.
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mosquitto_1 | 1478107437: New client connected from 192.168.31.102 as mosqsub/38158-Kevins-Ma (c1, k60).
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mosquitto_1 | 1478107585: New client connected from 192.168.31.102 as mosqpub/38324-Kevins-Ma (c1, k60).
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mosquitto_1 | 1478107585: Client mosqpub/38324-Kevins-Ma disconnected.
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```
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## client
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```bash
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$ mosquitto_sub -d -h 192.168.31.231 -p 8883 --cafile ca.crt --insecure -u username -P password -t hello
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Client mosqsub/38158-Kevins-Ma sending CONNECT
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Client mosqsub/38158-Kevins-Ma received CONNACK
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Client mosqsub/38158-Kevins-Ma sending SUBSCRIBE (Mid: 1, Topic: hello, QoS: 0)
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Client mosqsub/38158-Kevins-Ma received SUBACK
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Subscribed (mid: 1): 0
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Client mosqsub/38158-Kevins-Ma sending PINGREQ
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Client mosqsub/38158-Kevins-Ma received PINGRESP
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received PUBLISH (d0, q0, r0, m0, 'hello', ... (5 bytes))
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world
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Client mosqsub/38158-Kevins-Ma sending PINGREQ
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Client mosqsub/38158-Kevins-Ma received PINGRESP
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```
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```bash
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$ mosquitto_pub -d -h 192.168.31.231 -p 8883 --cafile ca.crt --insecure -u username -P password -t hello -m world
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Client mosqpub/38324-Kevins-Ma sending CONNECT
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Client mosqpub/38324-Kevins-Ma received CONNACK
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Client mosqpub/38324-Kevins-Ma sending PUBLISH (d0, q0, r0, m1, 'hello', ... (5 bytes))
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Client mosqpub/38324-Kevins-Ma sending DISCONNECT
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```
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[1]: http://mosquitto.org/
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[2]: https://mosquitto.org/man/mosquitto-tls-7.html
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[3]: https://mosquitto.org/man/mosquitto_passwd-1.html
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