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It is fairly easy to set up an unencrypted data flow from MiNiFi c++ to NiFi: https://nifi.apache.org/minifi/getting-started.html.

If you want the data flow to use HTTPS, that is a bit more complicated; below is a description of how to do it.  (Tested with NiFi 1.12.1 and MiNiFi c++ 0.7.0.)

Step-by-step guide

First, go to https://kylo.readthedocs.io/en/v0.10.0/security/ConfigureNiFiWithSSL.html and create a self-signed certificate as described there:

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1. Set up the certificate in minifi.properties:

   Code Block

   nifi.remote.input.secure=true nifi.security.need.ClientAuth=false nifi.security.client.certificate=/opt/nifi/data/ssl/nifi-rest.crt nifi.security.client.private.key=/opt/nifi/data/ssl/nifi-rest.key nifi.security.client.pass.phrase=/opt/nifi/data/ssl/CN=minifi_OU=NIFI.password nifi.security.client.ca.certificate=/opt/nifi/data/ssl/nifi-cert.pem # These are not needed #nifi.rest.api.user.name= #nifi.rest.api.password=

   
   

2. Update the NiFi address in config.yml by changing http  to https and changing the port from 8080 to 9443 in the Remote Process Group:

   Code Block

   Remote Process Groups: - id: 1ca9d943-0175-1000-2188-4d25f7418459 name: https://<hostname>:9443/nifi/ url: https://<hostname>:9443/nifi/ comment: '' timeout: 30 secs yield period: 10 sec transport protocol: RAW proxy host: '' proxy port: '' proxy user: '' proxy password: '' local network interface: '' Input Ports: - id: c171f9da-689f-41e2-98c4-9d785c59c306 name: c171f9da-689f-41e2-98c4-9d785c59c306 comment: '' max concurrent tasks: 1 use compression: true Output Ports: []

   And restart MiNiFi.

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