Here u go Open bash script and put the info   url="https://<you environment>:9091/nifi-api/" url_encoded="application/x-www-form-urlencoded" accept_header="Accept: application/json" content_type="Content-Type: application/json" data="username=<your user name>&password=<your password" rm -rf /tmp/a end_point="access/token" curl -k -X POST "${url}${end_point}" -H "${url_encoded}" --data "${data}" > /tmp/a token=`cat /tmp/a` bearer="Authorization: Bearer ${token}"   # Now you are all set to run the curl commands   # Get root id end_point="process-groups/root" curl -k -X GET "${url}${end_point}" -H "${content_type}" -H "${bearer}"   # Get all the components under root which includes all processgroups, process, controller service, connections and everything.    # NOTE: the identifier id WILL NOT MATCH your NIFI id.  They are different.  but this is one stop for full automation end_point="process-groups/root/download" curl -k -X GET "${url}${end_point}" -H "${content_type}" -H "${bearer}" ... View more

i am getting zookeeper already running on pid.  how to fix it? ... View more

Use Case 1 How to get all the groups in the main canvas programmatically? Answer: url="https://localhost:8080/nifi-api/" content_type="Content-Type: application/json" end_point="process-groups/root/process-groups" curl -k "${url}${end_point}" -H "${content_type}" -H "${bearer}"   Use Case 2 How to get the groups after finding the root and it's child groups ? For example From the Root --> Karthik Playground ==> Csv_2_Kafka,  JSON_2_KAFKA Karthik Playground consists of 2 process group csv_2_kafka and json_2_kafka Root. (uuid "aaaa-bbbb"     ==> Karthik Playground.  (uuid "cccc-dddd")        ==> csv_2_kafka.  (uid "eeee-fff")        ==> json_2_kafka.  (uid "gggg-hhhh")     From the use case 1, we get all the UUid under Component for all the process groups in root.   Get the uuid for karthik playground and pass like this   url="https://localhost:8080/nifi-api/" content_type="Content-Type: application/json" end_point="process-groups/cccc-dddd/process-groups" curl -k "${url}${end_point}" -H "${content_type}" -H "${bearer}"  This will fetch csv_2_kafka and json_2_kafka   Do the same process to get the information from csv_2_kafka and json_2_kafka   ... View more

This will work https://localhost:8080/nifi-api/process-groups/root/process-groups   This will print all the groups found in the main canvas ... View more