Github user pvillard31 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/3124#discussion_r230324180
--- Diff: nifi-docs/src/main/asciidoc/toolkit-guide.adoc ---
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+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+= Apache NiFi Toolkit Guide
+Apache NiFi Team <[email protected]>
+:homepage: http://nifi.apache.org
+:linkattrs:
+
+== Overview
+The NiFi Toolkit contains several command line utilities to setup and
support NiFi in standalone and clustered environments. The utilities include:
+
+* CLI -- The `cli` tool enables administrators to interact with NiFi and
NiFi Registry instances to automate tasks such as deploying versioned flows and
managing process groups and cluster nodes.
+* Encrypt Config -- The `encrypt-config` tool encrypts the sensitive keys
in the _nifi.properties_ file to facilitate the setup of a secure NiFi instance.
+* File Manager -- The `file-manager` tool enables administrators to
backup, install or restore a NiFi installation from backup.
+* Flow Analyzer -- The `flow-analyzer` tool produces a report that helps
administrators understand the max amount of data which can be stored in
backpressure for a given flow.
+* Node Manager -- The `node-manager` tool enables administrators to
perform status checks on nodes as well as the ability to connect, disconnect,
or remove nodes from the cluster.
+* Notify -- The `notify` tool enables administrators to send bulletins to
the NiFi UI.
+* S2S -- The `s2s` tool enables administrators to send data into or out of
NiFi flows over site-to-site.
+* TLS Toolkit -- The `tls-toolkit` utility generates the required
keystores, truststore, and relevant configuration files to facilitate the setup
of a secure NiFi instance.
+* ZooKeeper Migrator -- The `zk-migrator` tool enables administrators to:
+** move ZooKeeper information from one ZooKeeper cluster to another
+** migrate ZooKeeper node ownership
+
+The utilities are executed with scripts found in the `bin` folder of your
NiFi Toolkit installation.
+
+NOTE: The NiFi Toolkit is downloaded separately from NiFi (see the
link:https://nifi.apache.org/download.html[Apache NiFi downloads page^]).
+
+=== Prerequisites for Running in a Secure Environment
+For secured nodes and clusters, two policies should be configured in
advance:
+
+* Access the controller â A user that will have access to these
utilities should be authorized in NiFi by creating an âaccess the
controllerâ policy (`/controller`) with both view and modify rights
+* Proxy user request â If not previously set, nodeâs identity (the DN
value of the nodeâs certificate) should be authorized to proxy requests on
behalf of a user
+
+When executing either the Notify or Node Manager tools in a secured
environment the `proxyDN` flag option should be used in order to properly
identify the user that was authorized to execute these commands. In non-secure
environments, or if running the status operation on the Node Manager tool, the
flag is ignored.
+
+== NiFi CLI
+This tool offers a CLI focused on interacting with NiFi and NiFi Registry
in order to automate tasks, such as deploying flows from a NIFi Registy to a
NiFi instance or managing process groups and cluster nodes.
+
+=== Usage
+The CLI toolkit can be executed in standalone mode to execute a single
command, or interactive mode to enter an interactive shell.
+
+To execute a single command:
+
+ ./bin/cli.sh <command> <args>
+
+To launch the interactive shell:
+
+ ./bin/cli.sh
+
+To show help:
+
+ cli.sh -h
+
+The following are available options:
+
+ demo quick-import
+ nifi current-user
+ nifi cluster-summary
+ nifi connect-node
+ nifi delete-node
+ nifi disconnect-node
+ nifi get-root-id
+ nifi get-node
+ nifi get-nodes
+ nifi offload-node
+ nifi list-reg-clients
+ nifi create-reg-client
+ nifi update-reg-client
+ nifi get-reg-client-id
+ nifi pg-import
+ nifi pg-start
+ nifi pg-stop
+ nifi pg-get-vars
+ nifi pg-set-var
+ nifi pg-get-version
+ nifi pg-change-version
+ nifi pg-get-all-versions
+ nifi pg-list
+ nifi pg-status
+ nifi pg-get-services
+ nifi pg-enable-services
+ nifi pg-disable-services
+ registry current-user
+ registry list-buckets
+ registry create-bucket
+ registry delete-bucket
+ registry list-flows
+ registry create-flow
+ registry delete-flow
+ registry list-flow-versions
+ registry export-flow-version
+ registry import-flow-version
+ registry sync-flow-versions
+ registry transfer-flow-version
+ session keys
+ session show
+ session get
+ session set
+ session remove
+ session clear
+ exit
+ help
--- End diff --
Maybe add that ``./bin/cli.sh <command> -h`` will display extensive help
usage of the command
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