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Posted to commits@nifi.apache.org by jo...@apache.org on 2018/01/12 21:00:25 UTC
svn commit: r1821033 [8/46] - in /nifi/site/trunk/docs: nifi-docs/
nifi-docs/components/ nifi-docs/components/org.apache.nifi/
nifi-docs/components/org.apache.nifi/nifi-ambari-nar/
nifi-docs/components/org.apache.nifi/nifi-ambari-nar/1.5.0/ nifi-docs/c...
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-gcp-nar/1.5.0/org.apache.nifi.processors.gcp.storage.FetchGCSObject/index.html Fri Jan 12 21:00:14 2018
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>FetchGCSObject</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">FetchGCSObject</h1><h2>Description: </h2><p>Fetches a file from a Google Cloud Bucket. Designed to be used in tandem with ListGCSBucket.</p><h3>Tags: </h3><p>google cloud, google, storage, gcs, fetch</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>, and whether a property is considered "sensitive", meaning that
its value will be encrypted. Before entering a value in a sensitive property, ensure that the <strong>nifi.properties</strong> file has an entry for the property <strong>nifi.sensitive.props.key</strong>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>GCP Credentials Provider Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>GCPCredentialsService<br/><strong>Implementation: </strong><a href="../org.apache.nifi.processors.gcp.credentials.service.GCPCredentialsControllerService/index.html">GCPCredentialsControllerService</a></td><td id="description">The Controller Service used to obtain Google Cloud Platform credentials.</td></tr><tr><td id="name"><strong>Project ID</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Google Cloud Project ID</td></tr><tr><td id="name"><strong>Number
of retries</strong></td><td id="default-value">6</td><td id="allowable-values"></td><td id="description">How many retry attempts should be made before routing to the failure relationship.</td></tr><tr><td id="name">Proxy host</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">IP or hostname of the proxy to be used</td></tr><tr><td id="name">Proxy port</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Proxy port number</td></tr><tr><td id="name"><strong>Bucket</strong></td><td id="default-value">${gcs.bucket}</td><td id="allowable-values"></td><td id="description">Bucket of the object.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name"><strong>Key</strong></td><td id="default-value">${filename}</td><td id="allowable-values"></td><td id="description">Name of the object.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Object Generation</td><td id="defaul
t-value"></td><td id="allowable-values"></td><td id="description">The generation of the Object to download. If null, will download latest generation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Server Side Encryption Key</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">An AES256 Key (encoded in base64) which the object has been encrypted in.<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>FlowFiles are routed to this relationship after a successful Google Cloud Storage operation.</td></tr><tr><td>failure</td><td>FlowFiles are routed to this relationship if the Google Cloud Storage operation fails.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</
th><th>Description</th></tr><tr><td>filename</td><td>The name of the file, parsed if possible from the Content-Disposition response header</td></tr><tr><td>gcs.bucket</td><td>Bucket of the object.</td></tr><tr><td>gcs.key</td><td>Name of the object.</td></tr><tr><td>gcs.size</td><td>Size of the object.</td></tr><tr><td>gcs.cache.control</td><td>Data cache control of the object.</td></tr><tr><td>gcs.component.count</td><td>The number of components which make up the object.</td></tr><tr><td>gcs.content.disposition</td><td>The data content disposition of the object.</td></tr><tr><td>gcs.content.encoding</td><td>The content encoding of the object.</td></tr><tr><td>gcs.content.language</td><td>The content language of the object.</td></tr><tr><td>mime.type</td><td>The MIME/Content-Type of the object</td></tr><tr><td>gcs.crc32c</td><td>The CRC32C checksum of object's data, encoded in base64 in big-endian order.</td></tr><tr><td>gcs.create.time</td><td>The creation time of the object (milli
seconds)</td></tr><tr><td>gcs.update.time</td><td>The last modification time of the object (milliseconds)</td></tr><tr><td>gcs.encryption.algorithm</td><td>The algorithm used to encrypt the object.</td></tr><tr><td>gcs.encryption.sha256</td><td>The SHA256 hash of the key used to encrypt the object</td></tr><tr><td>gcs.etag</td><td>The HTTP 1.1 Entity tag for the object.</td></tr><tr><td>gcs.generated.id</td><td>The service-generated for the object</td></tr><tr><td>gcs.generation</td><td>The data generation of the object.</td></tr><tr><td>gcs.md5</td><td>The MD5 hash of the object's data encoded in base64.</td></tr><tr><td>gcs.media.link</td><td>The media download link to the object.</td></tr><tr><td>gcs.metageneration</td><td>The metageneration of the object.</td></tr><tr><td>gcs.owner</td><td>The owner (uploader) of the object.</td></tr><tr><td>gcs.owner.type</td><td>The ACL entity type of the uploader of the object.</td></tr><tr><td>gcs.uri</td><td>The URI of the object as a strin
g.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.gcp.storage.ListGCSBucket/index.html">ListGCSBucket</a>, <a href="../org.apache.nifi.processors.gcp.storage.PutGCSObject/index.html">PutGCSObject</a>, <a href="../org.apache.nifi.processors.gcp.storage.DeleteGCSObject/index.html">DeleteGCSObject</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-gcp-nar/1.5.0/org.apache.nifi.processors.gcp.storage.ListGCSBucket/index.html Fri Jan 12 21:00:14 2018
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ListGCSBucket</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">ListGCSBucket</h1><h2>Description: </h2><p>Retrieves a listing of objects from an GCS bucket. For each object that is listed, creates a FlowFile that represents the object so that it can be fetched in conjunction with FetchGCSObject. This Processor is designed to run on Primary Node only in a cluster. If the primary node changes, the new Primary Node will pick up where the previous node left off without duplicating all of the data.</p><h3>Tags: </h3><p>google cloud, google, storage, gcs, list</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</str
ong>. Any other properties (not in bold) are considered optional. The table also indicates any default values.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>GCP Credentials Provider Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>GCPCredentialsService<br/><strong>Implementation: </strong><a href="../org.apache.nifi.processors.gcp.credentials.service.GCPCredentialsControllerService/index.html">GCPCredentialsControllerService</a></td><td id="description">The Controller Service used to obtain Google Cloud Platform credentials.</td></tr><tr><td id="name"><strong>Project ID</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Google Cloud Project ID</td></tr><tr><td id="name"><strong>Number of retries</strong></td><td id="default-value">6</td><td id="allowable-values"></td><td id="de
scription">How many retry attempts should be made before routing to the failure relationship.</td></tr><tr><td id="name">Proxy host</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">IP or hostname of the proxy to be used</td></tr><tr><td id="name">Proxy port</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Proxy port number</td></tr><tr><td id="name"><strong>Bucket</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Bucket of the object.</td></tr><tr><td id="name">Prefix</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The prefix used to filter the object list. In most cases, it should end with a forward slash ('/').</td></tr><tr><td id="name"><strong>Use Generations</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Specifies whether to use GCS Generations,
if applicable. If false, only the latest version of each object will be returned.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>FlowFiles are routed to this relationship after a successful Google Cloud Storage operation.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>filename</td><td>The name of the file</td></tr><tr><td>gcs.bucket</td><td>Bucket of the object.</td></tr><tr><td>gcs.key</td><td>Name of the object.</td></tr><tr><td>gcs.size</td><td>Size of the object.</td></tr><tr><td>gcs.cache.control</td><td>Data cache control of the object.</td></tr><tr><td>gcs.component.count</td><td>The number of components which make up the object.</td></tr><tr><td>gcs.content.disposition</td><td>The data content disposition of the object.</td></tr><tr><td>gcs.content.encoding</td><td>The co
ntent encoding of the object.</td></tr><tr><td>gcs.content.language</td><td>The content language of the object.</td></tr><tr><td>mime.type</td><td>The MIME/Content-Type of the object</td></tr><tr><td>gcs.crc32c</td><td>The CRC32C checksum of object's data, encoded in base64 in big-endian order.</td></tr><tr><td>gcs.create.time</td><td>The creation time of the object (milliseconds)</td></tr><tr><td>gcs.update.time</td><td>The last modification time of the object (milliseconds)</td></tr><tr><td>gcs.encryption.algorithm</td><td>The algorithm used to encrypt the object.</td></tr><tr><td>gcs.encryption.sha256</td><td>The SHA256 hash of the key used to encrypt the object</td></tr><tr><td>gcs.etag</td><td>The HTTP 1.1 Entity tag for the object.</td></tr><tr><td>gcs.generated.id</td><td>The service-generated for the object</td></tr><tr><td>gcs.generation</td><td>The data generation of the object.</td></tr><tr><td>gcs.md5</td><td>The MD5 hash of the object's data encoded in base64.</td></tr>
<tr><td>gcs.media.link</td><td>The media download link to the object.</td></tr><tr><td>gcs.metageneration</td><td>The metageneration of the object.</td></tr><tr><td>gcs.owner</td><td>The owner (uploader) of the object.</td></tr><tr><td>gcs.owner.type</td><td>The ACL entity type of the uploader of the object.</td></tr><tr><td>gcs.uri</td><td>The URI of the object as a string.</td></tr></table><h3>State management: </h3><table id="stateful"><tr><th>Scope</th><th>Description</th></tr><tr><td>CLUSTER</td><td>After performing a listing of keys, the timestamp of the newest key is stored, along with the keys that share that same timestamp. This allows the Processor to list only keys that have been added or modified after this date the next time that the Processor is run. State is stored across the cluster so that this Processor can be run on Primary Node only and if a new Primary Node is selected, the new node can pick up where the previous node left off, without duplicating the data.</td>
</tr></table><h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component does not allow an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.gcp.storage.PutGCSObject/index.html">PutGCSObject</a>, <a href="../org.apache.nifi.processors.gcp.storage.DeleteGCSObject/index.html">DeleteGCSObject</a>, <a href="../org.apache.nifi.processors.gcp.storage.FetchGCSObject/index.html">FetchGCSObject</a></p></body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>PutGCSObject</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">PutGCSObject</h1><h2>Description: </h2><p>Puts flow files to a Google Cloud Bucket.</p><h3>Tags: </h3><p>google, google cloud, gcs, archive, put</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>, and whether a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a
sensitive property, ensure that the <strong>nifi.properties</strong> file has an entry for the property <strong>nifi.sensitive.props.key</strong>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>GCP Credentials Provider Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>GCPCredentialsService<br/><strong>Implementation: </strong><a href="../org.apache.nifi.processors.gcp.credentials.service.GCPCredentialsControllerService/index.html">GCPCredentialsControllerService</a></td><td id="description">The Controller Service used to obtain Google Cloud Platform credentials.</td></tr><tr><td id="name"><strong>Project ID</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Google Cloud Project ID</td></tr><tr><td id="name"><strong>Number of retries</strong></td><td id="default-value">6</td><td
id="allowable-values"></td><td id="description">How many retry attempts should be made before routing to the failure relationship.</td></tr><tr><td id="name">Proxy host</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">IP or hostname of the proxy to be used</td></tr><tr><td id="name">Proxy port</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Proxy port number</td></tr><tr><td id="name"><strong>Bucket</strong></td><td id="default-value">${gcs.bucket}</td><td id="allowable-values"></td><td id="description">Bucket of the object.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name"><strong>Key</strong></td><td id="default-value">${filename}</td><td id="allowable-values"></td><td id="description">Name of the object.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Content Type</td><td id="default-value">${mime.type}</td><td id="allowable-values"></td><td i
d="description">Content Type for the file, i.e. text/plain<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">MD5 Hash</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">MD5 Hash (encoded in Base64) of the file for server-side validation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">CRC32C Checksum</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">CRC32C Checksum (encoded in Base64, big-Endian order) of the file for server-side validation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Object ACL</td><td id="default-value"></td><td id="allowable-values"><ul><li>All Authenticated Users <img src="../../../../../html/images/iconInfo.png" alt="Gives the bucket or object owner OWNER permission, and gives all authenticated Google account holders READER and WRITER permissions. All other permissions are removed." title="
Gives the bucket or object owner OWNER permission, and gives all authenticated Google account holders READER and WRITER permissions. All other permissions are removed."></img></li><li>Authenticated Read <img src="../../../../../html/images/iconInfo.png" alt="Gives the bucket or object owner OWNER permission, and gives all authenticated Google account holders READER permission. All other permissions are removed." title="Gives the bucket or object owner OWNER permission, and gives all authenticated Google account holders READER permission. All other permissions are removed."></img></li><li>Bucket Owner Full Control <img src="../../../../../html/images/iconInfo.png" alt="Gives the object and bucket owners OWNER permission. All other permissions are removed." title="Gives the object and bucket owners OWNER permission. All other permissions are removed."></img></li><li>Bucket Owner Read Only <img src="../../../../../html/images/iconInfo.png" alt="Gives the object owner OWNER permission,
and gives the bucket owner READER permission. All other permissions are removed." title="Gives the object owner OWNER permission, and gives the bucket owner READER permission. All other permissions are removed."></img></li><li>Private <img src="../../../../../html/images/iconInfo.png" alt="Gives the bucket or object owner OWNER permission for a bucket or object, and removes all other access permissions." title="Gives the bucket or object owner OWNER permission for a bucket or object, and removes all other access permissions."></img></li><li>Project Private <img src="../../../../../html/images/iconInfo.png" alt="Gives permission to the project team based on their roles. Anyone who is part of the team has READER permission. Project owners and project editors have OWNER permission. This is the default ACL for newly created buckets. This is also the default ACL for newly created objects unless the default object ACL for that bucket has been changed." title="Gives permission to the proje
ct team based on their roles. Anyone who is part of the team has READER permission. Project owners and project editors have OWNER permission. This is the default ACL for newly created buckets. This is also the default ACL for newly created objects unless the default object ACL for that bucket has been changed."></img></li><li>Public Read Only <img src="../../../../../html/images/iconInfo.png" alt="Gives the bucket or object owner OWNER permission, and gives all users, both authenticated and anonymous, READER permission. When you apply this to an object, anyone on the Internet can read the object without authenticating." title="Gives the bucket or object owner OWNER permission, and gives all users, both authenticated and anonymous, READER permission. When you apply this to an object, anyone on the Internet can read the object without authenticating."></img></li></ul></td><td id="description">Access Control to be attached to the object uploaded. Not providing this will revert to bucke
t defaults.</td></tr><tr><td id="name">Server Side Encryption Key</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">An AES256 Encryption Key (encoded in base64) for server-side encryption of the object.<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name"><strong>Overwrite Object</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">If false, the upload to GCS will succeed only if the object does not exist.</td></tr><tr><td id="name">Content Disposition Type</td><td id="default-value"></td><td id="allowable-values"><ul><li>Inline <img src="../../../../../html/images/iconInfo.png" alt="Indicates that the object should be loaded and rendered within the browser." title="Indicates that the object should be loaded and rendered within the browser."></img></li><li>Attachment <img src="../../../../../html
/images/iconInfo.png" alt="Indicates that the object should be saved (using a Save As... dialog) rather than opened directly within the browser" title="Indicates that the object should be saved (using a Save As... dialog) rather than opened directly within the browser"></img></li></ul></td><td id="description">Type of RFC-6266 Content Disposition to be attached to the object</td></tr></table><h3>Dynamic Properties: </h3><p>Dynamic Properties allow the user to specify both the name and value of a property.<table id="dynamic-properties"><tr><th>Name</th><th>Value</th><th>Description</th></tr><tr><td id="name">The name of a User-Defined Metadata field to add to the GCS Object</td><td id="value">The value of a User-Defined Metadata field to add to the GCS Object</td><td>Allows user-defined metadata to be added to the GCS object as key/value pairs<br/><strong>Supports Expression Language: true</strong></td></tr></table></p><h3>Relationships: </h3><table id="relationships"><tr><th>Name</t
h><th>Description</th></tr><tr><td>success</td><td>FlowFiles are routed to this relationship after a successful Google Cloud Storage operation.</td></tr><tr><td>failure</td><td>FlowFiles are routed to this relationship if the Google Cloud Storage operation fails.</td></tr></table><h3>Reads Attributes: </h3><table id="reads-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>filename</td><td>Uses the FlowFile's filename as the filename for the GCS object</td></tr><tr><td>mime.type</td><td>Uses the FlowFile's MIME type as the content-type for the GCS object</td></tr></table><h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>gcs.bucket</td><td>Bucket of the object.</td></tr><tr><td>gcs.key</td><td>Name of the object.</td></tr><tr><td>gcs.size</td><td>Size of the object.</td></tr><tr><td>gcs.cache.control</td><td>Data cache control of the object.</td></tr><tr><td>gcs.component.count</td><td>The number of components which
make up the object.</td></tr><tr><td>gcs.content.disposition</td><td>The data content disposition of the object.</td></tr><tr><td>gcs.content.encoding</td><td>The content encoding of the object.</td></tr><tr><td>gcs.content.language</td><td>The content language of the object.</td></tr><tr><td>mime.type</td><td>The MIME/Content-Type of the object</td></tr><tr><td>gcs.crc32c</td><td>The CRC32C checksum of object's data, encoded in base64 in big-endian order.</td></tr><tr><td>gcs.create.time</td><td>The creation time of the object (milliseconds)</td></tr><tr><td>gcs.update.time</td><td>The last modification time of the object (milliseconds)</td></tr><tr><td>gcs.encryption.algorithm</td><td>The algorithm used to encrypt the object.</td></tr><tr><td>gcs.encryption.sha256</td><td>The SHA256 hash of the key used to encrypt the object</td></tr><tr><td>gcs.etag</td><td>The HTTP 1.1 Entity tag for the object.</td></tr><tr><td>gcs.generated.id</td><td>The service-generated for the object</td>
</tr><tr><td>gcs.generation</td><td>The data generation of the object.</td></tr><tr><td>gcs.md5</td><td>The MD5 hash of the object's data encoded in base64.</td></tr><tr><td>gcs.media.link</td><td>The media download link to the object.</td></tr><tr><td>gcs.metageneration</td><td>The metageneration of the object.</td></tr><tr><td>gcs.owner</td><td>The owner (uploader) of the object.</td></tr><tr><td>gcs.owner.type</td><td>The ACL entity type of the uploader of the object.</td></tr><tr><td>gcs.uri</td><td>The URI of the object as a string.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.gcp.storage.FetchGCSObject/index.html">FetchGCSObject</a>, <a href="../org.apache.nifi.processors.gcp.storage.DeleteGCSObject/index.html">DeleteGCSObject</a>, <a href="../org.apache.
nifi.processors.gcp.storage.ListGCSBucket/index.html">ListGCSBucket</a></p></body></html>
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@@ -0,0 +1,203 @@
+<!DOCTYPE html>
+<html lang="en">
+<!--
+ 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.
+-->
+<head>
+ <meta charset="utf-8" />
+ <title>Groovy</title>
+ <!--link rel="stylesheet" href="../../css/component-usage.css" type="text/css" /-->
+ <link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css" />
+</head>
+
+<body>
+<h2>Summary</h2>
+<p>This is a grooviest groovy script :)</p>
+<h2>Script Bindings:</h2>
+<table>
+<tr><th>variable</th><th>type</th><th>description</th></tr>
+<tr>
+ <td>session</td>
+ <td>org.apache.nifi.processor.ProcessSession</td>
+ <td>the session that is used to get, change, and transfer input files</td>
+</tr>
+<tr>
+ <td>context</td>
+ <td>org.apache.nifi.processor.ProcessContext</td>
+ <td>the context (almost unuseful)</td>
+</tr>
+<tr>
+ <td>log</td>
+ <td>org.apache.nifi.logging.ComponentLog</td>
+ <td>the logger for this processor instance</td>
+</tr>
+<tr>
+ <td>REL_SUCCESS</td>
+ <td>org.apache.nifi.processor.Relationship</td>
+ <td>the success relationship</td>
+</tr>
+<tr>
+ <td>REL_FAILURE</td>
+ <td>org.apache.nifi.processor.Relationship</td>
+ <td>the failure relationship</td>
+</tr>
+<tr>
+ <td>CTL</td>
+ <td>java.util.HashMap<String,<a href="https://github.com/apache/nifi/blob/master/nifi-api/src/main/java/org/apache/nifi/controller/ControllerService.java">ControllerService</a>></td>
+ <td>Map populated with controller services defined with `CTL.*` processor properties.
+ <br/>The `CTL.` prefixed properties could be linked to controller service and provides access to this service from a script without additional code.</td>
+</tr>
+<tr>
+ <td>SQL</td>
+ <td>java.util.HashMap<String, <a href="http://docs.groovy-lang.org/latest/html/api/groovy/sql/Sql.html">groovy.sql.Sql</a>></td>
+ <td>Map populated with `groovy.sql.Sql` objects connected to corresponding database defined with `SQL.*` processor properties.
+ <br/>The `SQL.` prefixed properties could be linked only to DBCPSercice.</td>
+</tr>
+<tr>
+ <td>Dynamic processor properties</td>
+ <td>org.apache.nifi.components.PropertyDescriptor</td>
+ <td>All processor properties not started with `CTL.` or `SQL.` are bound to script variables</td>
+</tr>
+</table>
+
+<h2>SQL map details</h2>
+<p>
+<b>Example:</b> if you defined property <code>`SQL.mydb`</code> and linked it to any DBCPService,
+then you can access it from code <code>SQL.mydb.rows('select * from mytable')</code><br/>
+
+<br/>The processor automatically takes connection from dbcp service before executing script and tries to handle transaction:
+<br/> database transactions automatically rolled back on script exception and committed on success.
+<br/>Or you can manage transaction manually.
+<br/>NOTE: Script must not disconnect connection.
+
+<br/><img src="SQL.gif"/>
+<br/><img src="SQL2.gif"/>
+</p>
+
+<h2>SessionFile - flow file extension</h2>
+<p>
+ The (org.apache.nifi.processors.groovyx.flow.SessionFile) is an actual object returned by session in Extended Groovy processor.<br/>
+ This flow file is a container that references session and the real flow file.<br/>
+ This allows to use simplified syntax to work with file attributes and content:
+</p>
+<p><i>set new attribute value</i></p>
+<pre>
+ flowFile.ATTRIBUTE_NAME = ATTRIBUTE_VALUE
+ flowFile.'mime.type' = 'text/xml'
+ flowFile.putAttribute("ATTRIBUTE_NAME", ATTRIBUTE_VALUE)
+ //the same as
+ flowFile = session.putAttribute(flowFile, "ATTRIBUTE_NAME", ATTRIBUTE_VALUE)
+</pre>
+
+<p><i>remove attribute</i></p>
+<pre>
+ flowFile.ATTRIBUTE_NAME = null
+ //equals to
+ flowFile = session.removeAttribute(flowFile, "ATTRIBUTE_NAME")
+</pre>
+
+<p><i>get attribute value</i></p>
+<pre>
+ String a = flowFile.ATTRIBUTE_NAME
+</pre>
+
+<p><i>write content</i></p>
+<pre>
+ flowFile.write("UTF-8", "THE CharSequence to write into flow file replacing current content")
+ flowFile.write("UTF-8"){writer->
+ do something with java.io.Writer...
+ }
+ flowFile.write{outStream->
+ do something with output stream...
+ }
+ flowFile.write{inStream, outStream->
+ do something with input and output streams...
+ }
+</pre>
+
+<p><i>get content</i></p>
+<pre>
+ InputStream i = flowFile.read()
+ def json = new groovy.json.JsonSlurper().parse( flowFile.read() )
+ String text = flowFile.read().getText("UTF-8")
+</pre>
+
+<p><i>transfer flow file to success relation</i></p>
+<pre>
+ REL_SUCCESS << flowFile
+ flowFile.transfer(REL_SUCCESS)
+ //the same as:
+ session.transfer(flowFile, REL_SUCCESS)
+</pre>
+
+<p><i>work with dbcp</i></p>
+<pre>
+ import groovy.sql.Sql
+
+ //define property named `SQL.db` connected to a DBCPConnectionPool controller service
+ //for this case it's an H2 database example
+
+ //read value from the database with prepared statement
+ //and assign into flowfile attribute `db.yesterday`
+ def daysAdd = -1
+ def row = SQL.db.firstRow("select dateadd('DAY', ${daysAdd}, sysdate) as DB_DATE from dual")
+ flowFile.'db.yesterday' = row.DB_DATE
+
+ //to work with BLOBs and CLOBs in the database
+ //use parameter casting using groovy.sql.Sql.BLOB(Stream) and groovy.sql.Sql.CLOB(Reader)
+
+ //write content of the flow file into database blob
+ flowFile.read{ rawIn->
+ def parms = [
+ p_id : flowFile.ID as Long, //get flow file attribute named `ID`
+ p_data : Sql.BLOB( rawIn ), //use input stream as BLOB sql parameter
+ ]
+ SQL.db.executeUpdate(parms, "update mytable set data = :p_data where id = :p_id")
+ }
+</pre>
+
+
+<h2>Handling processor start & stop</h2>
+
+<p>In the extended groovy processor you can catch `start` and `stop` events by providing corresponding static methods:</p>
+<pre>
+ import org.apache.nifi.processor.ProcessContext
+ import java.util.concurrent.atomic.AtomicLong
+
+ class Const{
+ static Date startTime = null;
+ static AtomicLong triggerCount = null;
+ }
+
+ static onStart(ProcessContext context){
+ Const.startTime = new Date()
+ Const.triggerCount = new AtomicLong(0)
+ println "onStart $context ${Const.startTime}"
+ }
+
+ static onStop(ProcessContext context){
+ def alive = (System.currentTimeMillis() - Const.startTime.getTime()) / 1000
+ println "onStop $context executed ${ Const.triggerCount } times during ${ alive } seconds"
+ }
+
+
+ flowFile.'trigger.count' = Const.triggerCount.incrementAndGet()
+ REL_SUCCESS << flowFile
+</pre>
+<br/>
+<br/>
+<br/>
+<br/>
+</body>
+</html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExecuteGroovyScript</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">ExecuteGroovyScript</h1><h2>Description: </h2><p>Experimental Extended Groovy script processor. The script is responsible for handling the incoming flow file (transfer to SUCCESS or remove, e.g.) as well as any flow files created by the script. If the handling is incomplete or incorrect, the session will be rolled back.</p><p><a href="additionalDetails.html">Additional Details...</a></p><h3>Tags: </h3><p>script, groovy, groovyx</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered opti
onal. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Script File</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Path to script file to execute. Only one of Script File or Script Body may be used<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Script Body</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Body of script to execute. Only one of Script File or Script Body may be used</td></tr><tr><td id="name"><strong>Failure strategy</strong></td><td id="default-value">rollback</td><td id="allowable-values"><ul><li>rollback</li><li>transfer to failure</li></ul></td><td id="description">What to do with unhandled exceptions. If yo
u want to manage exception by code then keep the default value `rollback`. If `transfer to failure` selected and unhandled exception occurred then all flowFiles received from incoming queues in this session will be transferred to `failure` relationship with additional attributes set: ERROR_MESSAGE and ERROR_STACKTRACE. If `rollback` selected and unhandled exception occurred then all flowFiles received from incoming queues will be penalized and returned. If the processor has no incoming connections then this parameter has no effect.</td></tr><tr><td id="name">Additional classpath</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Classpath list separated by semicolon. You can use masks like `*`, `*.jar` in file name.<br/><strong>Supports Expression Language: true</strong></td></tr></table><h3>Dynamic Properties: </h3><p>Dynamic Properties allow the user to specify both the name and value of a property.<table id="dynamic-properties"><tr><th>Name</th><t
h>Value</th><th>Description</th></tr><tr><td id="name">A script engine property to update</td><td id="value">The value to set it to</td><td>Updates a script engine property specified by the Dynamic Property's key with the value specified by the Dynamic Property's value. Use `CTL.` to access any controller services.<br/><strong>Supports Expression Language: true</strong></td></tr></table></p><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>FlowFiles that were successfully processed</td></tr><tr><td>failure</td><td>FlowFiles that failed to be processed</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>None specified.<h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>Provides operator the ability to execute arbitrary code assuming all permissions that NiFi has.<h3>Input requirement: </h3>This component allows an incoming relationship.<h3>See Also:</h3
><p><a href="../../../nifi-scripting-nar/1.5.0/org.apache.nifi.processors.script.ExecuteScript/index.html">ExecuteScript</a></p></body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>InvokeGRPC</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">InvokeGRPC</h1><h2>Description: </h2><p>Sends FlowFiles, optionally with content, to a configurable remote gRPC service endpoint. The remote gRPC service must abide by the service IDL defined in NiFi. gRPC isn't intended to carry large payloads, so this processor should be used only when FlowFile sizes are on the order of megabytes. The default maximum message size is 4MB.</p><h3>Tags: </h3><p>grpc, rpc, client</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also ind
icates any default values.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Remote gRPC service hostname</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Remote host which will be connected to</td></tr><tr><td id="name"><strong>Remote gRPC service port</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Remote port which will be connected to</td></tr><tr><td id="name">Max Message Size</td><td id="default-value">4MB</td><td id="allowable-values"></td><td id="description">The maximum size of FlowFiles that this processor will allow to be received. The default is 4MB. If FlowFiles exceed this size, you should consider using another transport mechanism as gRPC isn't designed for heavy payloads.</td></tr><tr><td id="name">Use SSL/TLS</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><
li>false</li></ul></td><td id="description">Whether or not to use SSL/TLS to send the contents of the gRPC messages.</td></tr><tr><td id="name">SSL Context Service</td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>SSLContextService<br/><strong>Implementations: </strong><a href="../../../nifi-ssl-context-service-nar/1.5.0/org.apache.nifi.ssl.StandardSSLContextService/index.html">StandardSSLContextService</a><br/><a href="../../../nifi-ssl-context-service-nar/1.5.0/org.apache.nifi.ssl.StandardRestrictedSSLContextService/index.html">StandardRestrictedSSLContextService</a></td><td id="description">The SSL Context Service used to provide client certificate information for TLS/SSL (https) connections.</td></tr><tr><td id="name">Send FlowFile Content</td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether or not to include the FlowFile content in the FlowFileReq
uest to the gRPC service.</td></tr><tr><td id="name">Always Output Response</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Will force a response FlowFile to be generated and routed to the 'Response' relationship regardless of what the server status code received is or if the processor is configured to put the server response body in the request attribute. In the later configuration a request FlowFile with the response body in the attribute and a typical response FlowFile will be emitted to their respective relationships.</td></tr><tr><td id="name">Penalize on "No Retry"</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Enabling this property will penalize FlowFiles that are routed to the "No Retry" relationship.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>Origi
nal</td><td>The original FlowFile will be routed upon success. It will have new attributes detailing the success of the request.</td></tr><tr><td>Failure</td><td>The original FlowFile will be routed on any type of connection failure, timeout or general exception. It will have new attributes detailing the request.</td></tr><tr><td>Retry</td><td>The original FlowFile will be routed on any status code that can be retried. It will have new attributes detailing the request.</td></tr><tr><td>No Retry</td><td>The original FlowFile will be routed on any status code that should NOT be retried. It will have new attributes detailing the request.</td></tr><tr><td>Response</td><td>A Response FlowFile will be routed upon success. If the 'Output Response Regardless' property is true then the response will be sent to this relationship regardless of the status code received.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>
Name</th><th>Description</th></tr><tr><td>invokegrpc.response.code</td><td>The response code that is returned (0 = ERROR, 1 = SUCCESS, 2 = RETRY)</td></tr><tr><td>invokegrpc.response.body</td><td>The response message that is returned</td></tr><tr><td>invokegrpc.service.host</td><td>The remote gRPC service hostname</td></tr><tr><td>invokegrpc.service.port</td><td>The remote gRPC service port</td></tr><tr><td>invokegrpc.java.exception.class</td><td>The Java exception class raised when the processor fails</td></tr><tr><td>invokegrpc.java.exception.message</td><td>The Java exception message raised when the processor fails</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.</body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ListenGRPC</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">ListenGRPC</h1><h2>Description: </h2><p>Starts a gRPC server and listens on the given port to transform the incoming messages into FlowFiles. The message format is defined by the standard gRPC protobuf IDL provided by NiFi. gRPC isn't intended to carry large payloads, so this processor should be used only when FlowFile sizes are on the order of megabytes. The default maximum message size is 4MB.</p><h3>Tags: </h3><p>ingest, grpc, rpc, listen</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered
optional. The table also indicates any default values.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Local gRPC Service Port</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The local port that the gRPC service will listen on.</td></tr><tr><td id="name">Use TLS</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether or not to use TLS to send the contents of the gRPC messages.</td></tr><tr><td id="name">SSL Context Service</td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>RestrictedSSLContextService<br/><strong>Implementation: </strong><a href="../../../nifi-ssl-context-service-nar/1.5.0/org.apache.nifi.ssl.StandardRestrictedSSLContextService/index.html">StandardRestrictedSSLContextService</a></td><td id="description"
>The SSL Context Service used to provide client certificate information for TLS (https) connections.</td></tr><tr><td id="name">Flow Control Window</td><td id="default-value">1MB</td><td id="allowable-values"></td><td id="description">The initial HTTP/2 flow control window for both new streams and overall connection. Flow-control schemes ensure that streams on the same connection do not destructively interfere with each other. The default is 1MB.</td></tr><tr><td id="name"><strong>Authorized DN Pattern</strong></td><td id="default-value">.*</td><td id="allowable-values"></td><td id="description">A Regular Expression to apply against the Distinguished Name of incoming connections. If the Pattern does not match the DN, the connection will be refused.</td></tr><tr><td id="name">Maximum Message Size</td><td id="default-value">4MB</td><td id="allowable-values"></td><td id="description">The maximum size of FlowFiles that this processor will allow to be received. The default is 4MB. If Flo
wFiles exceed this size, you should consider using another transport mechanism as gRPC isn't designed for heavy payloads.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>Success</td><td>The FlowFile was received successfully.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>listengrpc.remote.user.dn</td><td>The DN of the user who sent the FlowFile to this NiFi</td></tr><tr><td>listengrpc.remote.host</td><td>The IP of the client who sent the FlowFile to this NiFi</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component does not allow an incoming relationship.</body></html>
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+<!DOCTYPE html>
+<html lang="en">
+ <!--
+ 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.
+ -->
+ <head>
+ <meta charset="utf-8" />
+ <title>CreateHadoopSequenceFile</title>
+
+ <link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css" />
+ </head>
+
+ <body>
+ <!-- Processor Documentation ================================================== -->
+ <h2>Description:</h2>
+ <p>This processor is used to create a Hadoop Sequence File, which essentially is a file of key/value pairs. The key
+ will be a file name and the value will be the flow file content. The processor will take either a merged (a.k.a. packaged) flow
+ file or a singular flow file. Historically, this processor handled the merging by type and size or time prior to creating a
+ SequenceFile output; it no longer does this. If creating a SequenceFile that contains multiple files of the same type is desired,
+ precede this processor with a <code>RouteOnAttribute</code> processor to segregate files of the same type and follow that with a
+ <code>MergeContent</code> processor to bundle up files. If the type of files is not important, just use the
+ <code>MergeContent</code> processor. When using the <code>MergeContent</code> processor, the following Merge Formats are
+ supported by this processor:
+ <ul>
+ <li>TAR</li>
+ <li>ZIP</li>
+ <li>FlowFileStream v3</li>
+ </ul>
+ The created SequenceFile is named the same as the incoming FlowFile with the suffix '.sf'. For incoming FlowFiles that are
+ bundled, the keys in the SequenceFile are the individual file names, the values are the contents of each file.
+ </p>
+ NOTE: The value portion of a key/value pair is loaded into memory. While there is a max size limit of 2GB, this could cause memory
+ issues if there are too many concurrent tasks and the flow file sizes are large.
+</body>
+</html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hadoop-nar/1.5.0/org.apache.nifi.processors.hadoop.CreateHadoopSequenceFile/index.html Fri Jan 12 21:00:14 2018
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>CreateHadoopSequenceFile</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">CreateHadoopSequenceFile</h1><h2>Description: </h2><p>Creates Hadoop Sequence Files from incoming flow files</p><p><a href="additionalDetails.html">Additional Details...</a></p><h3>Tags: </h3><p>hadoop, sequence file, create, sequencefile</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table
id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Hadoop Configuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the Hadoop file system configuration. Without this, Hadoop will search the classpath for a 'core-site.xml' and 'hdfs-site.xml' file or will revert to a default configuration. To use swebhdfs, see 'Additional Details' section of PutHDFS's documentation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Principal</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos principal to authenticate as. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Keytab</td><td id="default-value"></td><td id="allowable-values"></
td><td id="description">Kerberos keytab associated with the principal. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Relogin Period</td><td id="default-value">4 hours</td><td id="allowable-values"></td><td id="description">Period of time which should pass before attempting a kerberos relogin.
+
+This property has been deprecated, and has no effect on processing. Relogins now occur automatically.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Additional Classpath Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A comma-separated list of paths to files and/or directories that will be added to the classpath. When specifying a directory, all files with in the directory will be added to the classpath, but further sub-directories will not be included.</td></tr><tr><td id="name">Compression type</td><td id="default-value"></td><td id="allowable-values"><ul><li>NONE</li><li>RECORD</li><li>BLOCK</li></ul></td><td id="description">Type of compression to use when creating Sequence File</td></tr><tr><td id="name"><strong>Compression codec</strong></td><td id="default-value">NONE</td><td id="allowable-values"><ul><li>NONE <img src="../../../../../html/images/iconInfo.png" alt="No compression" title="No comp
ression"></img></li><li>DEFAULT <img src="../../../../../html/images/iconInfo.png" alt="Default ZLIB compression" title="Default ZLIB compression"></img></li><li>BZIP <img src="../../../../../html/images/iconInfo.png" alt="BZIP compression" title="BZIP compression"></img></li><li>GZIP <img src="../../../../../html/images/iconInfo.png" alt="GZIP compression" title="GZIP compression"></img></li><li>LZ4 <img src="../../../../../html/images/iconInfo.png" alt="LZ4 compression" title="LZ4 compression"></img></li><li>LZO <img src="../../../../../html/images/iconInfo.png" alt="LZO compression - it assumes LD_LIBRARY_PATH has been set and jar is available" title="LZO compression - it assumes LD_LIBRARY_PATH has been set and jar is available"></img></li><li>SNAPPY <img src="../../../../../html/images/iconInfo.png" alt="Snappy compression" title="Snappy compression"></img></li><li>AUTOMATIC <img src="../../../../../html/images/iconInfo.png" alt="Will attempt to automatically detect the compres
sion codec." title="Will attempt to automatically detect the compression codec."></img></li></ul></td><td id="description">No Description Provided.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>Generated Sequence Files are sent to this relationship</td></tr><tr><td>failure</td><td>Incoming files that failed to generate a Sequence File are sent to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>None specified.<h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.hadoop.PutHDFS/index.html">PutHDFS</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hadoop-nar/1.5.0/org.apache.nifi.processors.hadoop.DeleteHDFS/index.html Fri Jan 12 21:00:14 2018
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>DeleteHDFS</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">DeleteHDFS</h1><h2>Description: </h2><p>Deletes one or more files or directories from HDFS. The path can be provided as an attribute from an incoming FlowFile, or a statically set path that is periodically removed. If this processor has an incoming connection, itwill ignore running on a periodic basis and instead rely on incoming FlowFiles to trigger a delete. Note that you may use a wildcard character to match multiple files or directories. If there are no incoming connections no flowfiles will be transfered to any output relationships. If there is an incoming flowfile then provided there are no de
tected failures it will be transferred to success otherwise it will be sent to false. If knowledge of globbed files deleted is necessary use ListHDFS first to produce a specific list of files to delete. </p><h3>Tags: </h3><p>hadoop, HDFS, delete, remove, filesystem, restricted</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Hadoop Configuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the Hadoop file system configuration. Without this, Hadoop will search t
he classpath for a 'core-site.xml' and 'hdfs-site.xml' file or will revert to a default configuration. To use swebhdfs, see 'Additional Details' section of PutHDFS's documentation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Principal</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos principal to authenticate as. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Keytab</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos keytab associated with the principal. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Relogin Period</td><td id="default-value">4 hours</td><td id="allowable-values"></td><td id="description">Period of time which should p
ass before attempting a kerberos relogin.
+
+This property has been deprecated, and has no effect on processing. Relogins now occur automatically.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Additional Classpath Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A comma-separated list of paths to files and/or directories that will be added to the classpath. When specifying a directory, all files with in the directory will be added to the classpath, but further sub-directories will not be included.</td></tr><tr><td id="name"><strong>Path</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The HDFS file or directory to delete. A wildcard expression may be used to only delete certain files<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name"><strong>Recursive</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="de
scription">Remove contents of a non-empty directory recursively</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>When an incoming flowfile is used then if there are no errors invoking delete the flowfile will route here.</td></tr><tr><td>failure</td><td>When an incoming flowfile is used and there is a failure while deleting then the flowfile will route here.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>hdfs.filename</td><td>HDFS file to be deleted. If multiple files are deleted, then only the last filename is set.</td></tr><tr><td>hdfs.path</td><td>HDFS Path specified in the delete request. If multiple paths are deleted, then only the last path is set.</td></tr><tr><td>hdfs.error.message</td><td>HDFS error message related to the hdfs.error.code</td></tr></table><h3>State managemen
t: </h3>This component does not store state.<h3>Restricted: </h3>Provides operator the ability to delete any file that NiFi has access to in HDFS or the local filesystem.<h3>Input requirement: </h3>This component allows an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.hadoop.ListHDFS/index.html">ListHDFS</a>, <a href="../org.apache.nifi.processors.hadoop.PutHDFS/index.html">PutHDFS</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-hadoop-nar/1.5.0/org.apache.nifi.processors.hadoop.FetchHDFS/index.html Fri Jan 12 21:00:14 2018
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>FetchHDFS</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">FetchHDFS</h1><h2>Description: </h2><p>Retrieves a file from HDFS. The content of the incoming FlowFile is replaced by the content of the file in HDFS. The file in HDFS is left intact without any changes being made to it.</p><h3>Tags: </h3><p>hadoop, hdfs, get, ingest, fetch, source, restricted</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html
">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Hadoop Configuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the Hadoop file system configuration. Without this, Hadoop will search the classpath for a 'core-site.xml' and 'hdfs-site.xml' file or will revert to a default configuration. To use swebhdfs, see 'Additional Details' section of PutHDFS's documentation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Principal</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos principal to authenticate as. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Keytab</td><td id="defaul
t-value"></td><td id="allowable-values"></td><td id="description">Kerberos keytab associated with the principal. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Relogin Period</td><td id="default-value">4 hours</td><td id="allowable-values"></td><td id="description">Period of time which should pass before attempting a kerberos relogin.
+
+This property has been deprecated, and has no effect on processing. Relogins now occur automatically.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Additional Classpath Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A comma-separated list of paths to files and/or directories that will be added to the classpath. When specifying a directory, all files with in the directory will be added to the classpath, but further sub-directories will not be included.</td></tr><tr><td id="name"><strong>HDFS Filename</strong></td><td id="default-value">${path}/${filename}</td><td id="allowable-values"></td><td id="description">The name of the HDFS file to retrieve<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name"><strong>Compression codec</strong></td><td id="default-value">NONE</td><td id="allowable-values"><ul><li>NONE <img src="../../../../../html/images/iconInfo.png" alt="No compre
ssion" title="No compression"></img></li><li>DEFAULT <img src="../../../../../html/images/iconInfo.png" alt="Default ZLIB compression" title="Default ZLIB compression"></img></li><li>BZIP <img src="../../../../../html/images/iconInfo.png" alt="BZIP compression" title="BZIP compression"></img></li><li>GZIP <img src="../../../../../html/images/iconInfo.png" alt="GZIP compression" title="GZIP compression"></img></li><li>LZ4 <img src="../../../../../html/images/iconInfo.png" alt="LZ4 compression" title="LZ4 compression"></img></li><li>LZO <img src="../../../../../html/images/iconInfo.png" alt="LZO compression - it assumes LD_LIBRARY_PATH has been set and jar is available" title="LZO compression - it assumes LD_LIBRARY_PATH has been set and jar is available"></img></li><li>SNAPPY <img src="../../../../../html/images/iconInfo.png" alt="Snappy compression" title="Snappy compression"></img></li><li>AUTOMATIC <img src="../../../../../html/images/iconInfo.png" alt="Will attempt to automatical
ly detect the compression codec." title="Will attempt to automatically detect the compression codec."></img></li></ul></td><td id="description">No Description Provided.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>FlowFiles will be routed to this relationship once they have been updated with the content of the HDFS file</td></tr><tr><td>comms.failure</td><td>FlowFiles will be routed to this relationship if the content of the HDFS file cannot be retrieve due to a communications failure. This generally indicates that the Fetch should be tried again.</td></tr><tr><td>failure</td><td>FlowFiles will be routed to this relationship if the content of the HDFS file cannot be retrieved and trying again will likely not be helpful. This would occur, for instance, if the file is not found or if there is a permissions issue</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>
<table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>hdfs.failure.reason</td><td>When a FlowFile is routed to 'failure', this attribute is added indicating why the file could not be fetched from HDFS</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>Provides operator the ability to retrieve any file that NiFi has access to in HDFS or the local filesystem.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.hadoop.ListHDFS/index.html">ListHDFS</a>, <a href="../org.apache.nifi.processors.hadoop.GetHDFS/index.html">GetHDFS</a>, <a href="../org.apache.nifi.processors.hadoop.PutHDFS/index.html">PutHDFS</a></p></body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>GetHDFS</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">GetHDFS</h1><h2>Description: </h2><p>Fetch files from Hadoop Distributed File System (HDFS) into FlowFiles. This Processor will delete the file from HDFS after fetching it.</p><h3>Tags: </h3><p>hadoop, HDFS, get, fetch, ingest, source, filesystem, restricted</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><tab
le id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Hadoop Configuration Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A file or comma separated list of files which contains the Hadoop file system configuration. Without this, Hadoop will search the classpath for a 'core-site.xml' and 'hdfs-site.xml' file or will revert to a default configuration. To use swebhdfs, see 'Additional Details' section of PutHDFS's documentation.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Principal</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Kerberos principal to authenticate as. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Keytab</td><td id="default-value"></td><td id="allowable-values"
></td><td id="description">Kerberos keytab associated with the principal. Requires nifi.kerberos.krb5.file to be set in your nifi.properties<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Kerberos Relogin Period</td><td id="default-value">4 hours</td><td id="allowable-values"></td><td id="description">Period of time which should pass before attempting a kerberos relogin.
+
+This property has been deprecated, and has no effect on processing. Relogins now occur automatically.<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name">Additional Classpath Resources</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A comma-separated list of paths to files and/or directories that will be added to the classpath. When specifying a directory, all files with in the directory will be added to the classpath, but further sub-directories will not be included.</td></tr><tr><td id="name"><strong>Directory</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The HDFS directory from which files should be read<br/><strong>Supports Expression Language: true</strong></td></tr><tr><td id="name"><strong>Recurse Subdirectories</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates whether to
pull files from subdirectories of the HDFS directory</td></tr><tr><td id="name"><strong>Keep Source File</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Determines whether to delete the file from HDFS after it has been successfully transferred. If true, the file will be fetched repeatedly. This is intended for testing only.</td></tr><tr><td id="name">File Filter Regex</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A Java Regular Expression for filtering Filenames; if a filter is supplied then only files whose names match that Regular Expression will be fetched, otherwise all files will be fetched</td></tr><tr><td id="name"><strong>Filter Match Name Only</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">If true then File Filter Regex will match on just the filename, otherwise subdi
rectory names will be included with filename in the regex comparison</td></tr><tr><td id="name"><strong>Ignore Dotted Files</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">If true, files whose names begin with a dot (".") will be ignored</td></tr><tr><td id="name"><strong>Minimum File Age</strong></td><td id="default-value">0 sec</td><td id="allowable-values"></td><td id="description">The minimum age that a file must be in order to be pulled; any file younger than this amount of time (based on last modification date) will be ignored</td></tr><tr><td id="name">Maximum File Age</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The maximum age that a file must be in order to be pulled; any file older than this amount of time (based on last modification date) will be ignored</td></tr><tr><td id="name"><strong>Polling Interval</strong></td><td id="default-value">0 sec</t
d><td id="allowable-values"></td><td id="description">Indicates how long to wait between performing directory listings</td></tr><tr><td id="name"><strong>Batch Size</strong></td><td id="default-value">100</td><td id="allowable-values"></td><td id="description">The maximum number of files to pull in each iteration, based on run schedule.</td></tr><tr><td id="name">IO Buffer Size</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Amount of memory to use to buffer file contents during IO. This overrides the Hadoop Configuration</td></tr><tr><td id="name"><strong>Compression codec</strong></td><td id="default-value">NONE</td><td id="allowable-values"><ul><li>NONE <img src="../../../../../html/images/iconInfo.png" alt="No compression" title="No compression"></img></li><li>DEFAULT <img src="../../../../../html/images/iconInfo.png" alt="Default ZLIB compression" title="Default ZLIB compression"></img></li><li>BZIP <img src="../../../../../html/images/iconIn
fo.png" alt="BZIP compression" title="BZIP compression"></img></li><li>GZIP <img src="../../../../../html/images/iconInfo.png" alt="GZIP compression" title="GZIP compression"></img></li><li>LZ4 <img src="../../../../../html/images/iconInfo.png" alt="LZ4 compression" title="LZ4 compression"></img></li><li>LZO <img src="../../../../../html/images/iconInfo.png" alt="LZO compression - it assumes LD_LIBRARY_PATH has been set and jar is available" title="LZO compression - it assumes LD_LIBRARY_PATH has been set and jar is available"></img></li><li>SNAPPY <img src="../../../../../html/images/iconInfo.png" alt="Snappy compression" title="Snappy compression"></img></li><li>AUTOMATIC <img src="../../../../../html/images/iconInfo.png" alt="Will attempt to automatically detect the compression codec." title="Will attempt to automatically detect the compression codec."></img></li></ul></td><td id="description">No Description Provided.</td></tr></table><h3>Relationships: </h3><table id="relationsh
ips"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>All files retrieved from HDFS are transferred to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>filename</td><td>The name of the file that was read from HDFS.</td></tr><tr><td>path</td><td>The path is set to the relative path of the file's directory on HDFS. For example, if the Directory property is set to /tmp, then files picked up from /tmp will have the path attribute set to "./". If the Recurse Subdirectories property is set to true and a file is picked up from /tmp/abc/1/2/3, then the path attribute will be set to "abc/1/2/3".</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>Provides operator the ability to retrieve and delete any file that NiFi has access to in HDFS or the local filesystem.<h3>Input requirement: </h3>Thi
s component does not allow an incoming relationship.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.hadoop.PutHDFS/index.html">PutHDFS</a>, <a href="../org.apache.nifi.processors.hadoop.ListHDFS/index.html">ListHDFS</a></p></body></html>
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