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https://issues.apache.org/jira/browse/NIFI-2656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15439482#comment-15439482
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Joe Skora commented on NIFI-2656:
---------------------------------
I'm confused and concerned because this feature
1. requires console input support in a primarily headless server application,
2. makes it impossible to start NiFi as a service or via scripts, if this
feature is enabled, and
3. will prevent the bootstrap monitoring of NiFi, since the monitor cannot
restart a hung instance.
Enterprise scale installations and any installation desiring unattended after
hours recovery from crashes or power failures will not be able to use this. So
it will be useful only on smaller, likely single system, instances that can be
manually managed.
> Allow bootstrap process to prompt for password/key
> --------------------------------------------------
>
> Key: NIFI-2656
> URL: https://issues.apache.org/jira/browse/NIFI-2656
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Configuration, Core Framework
> Affects Versions: 1.0.0
> Reporter: Andy LoPresto
> Priority: Minor
> Labels: bootstrap, config, encryption, security
>
> The bootstrap process {{RunNiFi.java}} is currently responsible for reading
> the key from {{bootstrap.conf}} and sending it to the running NiFi process
> {{NiFi.java}} to be used for sensitive property decryption. This exposes the
> key in two places:
> * Plaintext in {{bootstrap.conf}}
> * In the process invocation
> Running the following command ({{ps -aef | grep -i nifi}}) will result in the
> following output:
> {code}
> ...
> 501 11597 11596 0 6:51PM ttys001 0:08.55
> /Users/alopresto/.jenv/versions/1.8/bin/java -classpath
> /Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./conf:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/bcprov-jdk15on-1.54.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/commons-lang3-3.4.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/jcl-over-slf4j-1.7.12.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/jul-to-slf4j-1.7.12.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/log4j-over-slf4j-1.7.12.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/logback-classic-1.1.3.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/logback-core-1.1.3.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-api-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-documentation-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-framework-api-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-nar-utils-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-properties-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-properties-loader-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/nifi-runtime-1.0.0-SNAPSHOT.jar:/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./lib/slf4j-api-1.7.12.jar
> -Dorg.apache.jasper.compiler.disablejsr199=true -Xmx512m -Xms512m
> -Dsun.net.http.allowRestrictedHeaders=true -Djava.net.preferIPv4Stack=true
> -Djava.awt.headless=true -XX:+UseG1GC
> -Djava.protocol.handler.pkgs=sun.net.www.protocol
> -Dnifi.properties.file.path=/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/./conf/nifi.properties
> -Dnifi.bootstrap.listen.port=58213 -Dapp=NiFi
> -Dorg.apache.nifi.bootstrap.config.log.dir=/Users/alopresto/Workspace/nifi/nifi-assembly/target/nifi-1.0.0-SNAPSHOT-bin/nifi-1.0.0-SNAPSHOT/logs
> org.apache.nifi.NiFi -k
> 0123456789ABCDEFFEDCBA98765432100123456789ABCDEFFEDCBA9876543210
> ...
> {code}
> To allow for a more secure invocation, the NiFi process could pause and
> prompt for the password/key entry in a secure console if it is not provided
> in the invocation arguments from bootstrap (or if a special flag is
> provided). While this would require manual intervention to start the process,
> it would not be default behavior.
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