Tom, If you are only concerned with the values in the currently-running NiFi instance, you shouldn't need to directly interact with the file system. Just use NiFIPropertiesLoader#get(). Use the static loaders if you want to get an instance from a specific (non-default) file location.
Andy LoPresto alopre...@apache.org alopresto.apa...@gmail.com PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 > On Sep 23, 2016, at 23:09, Tom Gullo <tomgu...@gmail.com> wrote: > > Andy, I wasn't sure if I would need to read the file in myself but it looks > like I do. Those unit tests help a lot. Thanks > > -Tom > >> On Fri, Sep 23, 2016 at 10:47 PM, Andy LoPresto <alopre...@apache.org> wrote: >> Meant to add that there are Groovy unit tests for those classes so you may >> be able to copy the code directly from [1] and [2]. >> >> [1] >> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-properties-loader/src/test/groovy/org/apache/nifi/properties/ProtectedNiFiPropertiesGroovyTest.groovy >> [2] >> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-properties-loader/src/test/groovy/org/apache/nifi/properties/NiFiPropertiesLoaderGroovyTest.groovy >> >> Andy LoPresto >> alopre...@apache.org >> alopresto.apa...@gmail.com >> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 >> >>> On Sep 23, 2016, at 7:45 PM, Andy LoPresto <alopre...@apache.org> wrote: >>> >>> Tom, >>> >>> You’ll want to take a look at ProtectedNiFiProperties [1] and >>> NiFiPropertiesLoader [2]. ProtectedNiFiProperties provides a decorator on a >>> normal NiFiProperties class which allows access to various values via key >>> access or through named getters. It “unprotects” the values and can return >>> a regular NiFiProperties instance with direct access to the plain values. >>> The NiFiPropertiesLoader can be instantiated with the decryption key >>> (currently the only supported protection scheme is AES/GCM encryption) and >>> can load multiple instances of the NiFiProperties directly from any >>> nifi.properties file simultaneously. >>> >>> If you wanted to do this with a non-native file (i.e. a source that NiFi >>> does not have an internal mechanism for reading), you’d probably use a >>> GetFile -> ExtractText -> EncryptContent processor chain, or the >>> ExecuteScript processor (Groovy and other scripting languages have >>> extensive tooling provided to easily read from files, parse text, etc.). >>> >>> [1] >>> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-properties-loader/src/main/java/org/apache/nifi/properties/ProtectedNiFiProperties.java >>> [2] >>> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-properties-loader/src/main/java/org/apache/nifi/properties/NiFiPropertiesLoader.java >>> >>> >>> Andy LoPresto >>> alopre...@apache.org >>> alopresto.apa...@gmail.com >>> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 >>> >>>> On Sep 23, 2016, at 3:28 PM, Tom Gullo <tomgu...@gmail.com> wrote: >>>> >>>> I'm using v1.0. I want to access some values that are in the >>>> nifi.properties file. And I would like to just use the nifi.properties >>>> file because I'll be encrypting some of these values and I want to use the >>>> built in encryption feature. >>>> >>>> Thanks >>>> >>>>> On Fri, Sep 23, 2016 at 6:05 PM, Andrew Grande <apere...@gmail.com> wrote: >>>>> Which NiFi version? With 1.0 there are some bits for variable registry >>>>> available, basically one can reference values from external config files >>>>> via regular EL expressions. >>>>> >>>>> Andrew >>>>> >>>>> >>>>>> On Fri, Sep 23, 2016, 6:00 PM Tom Gullo <tomgu...@gmail.com> wrote: >>>>>> I want to read in values from nifi.properties in a Groovy ExecuteScript >>>>>> processor. What's the best way to do that? >>>>>> >>>>>> Thanks >>>>>> -Tom >>>> >>> >> >
