[CloudSync] Base Code to connect to MQTT broker running on AWS

[nitu-s-gupta]

Signed-off-by: Nitu Gupta [email protected]

Description

Provide mechanism to connect to MQTT mosquitto broker running in the AWS endpoint and publish the data

Fixes # (#382)

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

1. MQTT mosquitto broker is configured to be running in the AWS endpoint.
2. The endpoint url is entered in the brokerURL field for connection
3. The edge orchestration is build and run using following command with option CLOUD_SYNC set to url of broker

docker run -it -d --privileged --network="host" --name edge-orchestration -e CLOUD_SYNC="ec2-54-175-241-64.compute-1.amazonaws.com"  -v /var/edge-orchestration/:/var/edge-orchestration/:rw -v /var/run/docker.sock:/var/run/docker.sock:rw           -v /proc/:/process/:ro  lfedge/edge-home-orchestration-go:latest

4. The logs are checked which states the client is connected to the broker and data is published.

INFO[2021-12-14T12:13:05Z]mqttconnection.go:53 StartMQTTClient [MQTTConnectionMgr] The broker istcp://ec2-54-175-241-64.compute-1.amazonaws.com:1883 
INFO[2021-12-14T12:13:05Z]mqttconnection.go:24 Connect [MQTTConnectionMgr]MQTT Connected  

5. For testing a test client is run subscribing to same topic and we can see data received by the client.

nitup@sagar-HP-Notebook:~/HOMEEDGE/CloudSync_Test/ClientTest$ go run main.go 
Connected to server
MSG: {"AppID":"testid","Payload":"test message to check the Payload"}

Test Configuration:

• OS type & version: (Ubuntu 20.04)
• Hardware: (x86-64)
• Edge Orchestration Release: (v1.1.0)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[NiranjanPatil25]

Looks good

[tiokim]

Thanks for the great contribution! Please take a look my comments.

[tiokim]

Thanks for the quick update. Please take a look at my comments.

[tiokim]

LGTM Thanks for your great contribution!!

[MoonkiHong]

PTAL. Several new files need a copyright / license statement at the top.

[MoonkiHong]

LGTM.

[suresh-lc]

Thanks for the contribution, this is base code for cloud sync

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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