GCS Writer
Writes to Google Cloud Storage.
GCS Writer properties
property | type | default value | notes |
---|---|---|---|
Bucket Name | String | The GCS bucket name. If it does not exist, it will be created (provided Location and Storage Class are specified). See Setting output names and rollover / upload policies for advanced options. Note the limitations in Google's Bucket and Object Naming Guidelines. Note particularly that bucket names must be unique not just within your project or account but across all Google Cloud Storage accounts. See Setting output names and rollover / upload policies for advanced Striim options. | |
Client Configuration | String | Optionally, specify one or more of the following property-value pairs, separated by commas, to override Google's defaults (see Class RetrySettings):
| |
Compression Type | String | Set to | |
Data Encryption Key Passphrase | encrypted password | ||
Encryption Policy | String | ||
Folder Name | String | Optionally, specify a folder within the specified bucket. If it does not exist, it will be created. See Setting output names and rollover / upload policies for advanced options. | |
Location | String | The location of the bucket, which you can find on the bucket's overview tab (see Bucket Locations). | |
Object Name | String | The base name of the files to be written. See Google's Bucket and Object Naming Guidelines. See Setting output names and rollover / upload policies for advanced Striim options. | |
Parallel Threads | Integer | ||
Partition Key | String | If you enable ParallelThreads, specify a field to be used to partition the events among the threads. Events will be distributed among multiple folders based on this field's values. If the input stream is of any type except WAEvent, specify the name of one of its fields. If the input stream is of the WAEvent type, specify a field in the METADATA map (see WAEvent contents for change data) using the syntax | |
Project Id | String | The Google Cloud Platform project for the bucket. | |
Roll Over on DDL | Boolean | True | Has effect only when the input stream is the output stream of a CDC reader source. With the default value of True, rolls over to a new file when a DDL event is received. Set to False to keep writing to the same file. |
Service Account Key | String | The path (from root or the Striim program directory) and file name to the .json credentials file downloaded from Google (see Service Accounts). This file must be copied to the same location on each Striim server that will run this adapter, or to a network location accessible by all servers. The associated service account must have the Storage Legacy Bucket Writer role for the specified bucket. | |
Storage Class | String | The storage class of the bucket, which you can find on the bucket's overview tab (see Bucket Locations). | |
Upload Policy | String | eventcount:10000, interval:5m | The upload policy may include eventcount, interval, and/or filesize (see Setting output names and rollover / upload policies for syntax). Cached data is written to GCS every time any of the specified values is exceeded. With the default value, data will be written every five minutes or sooner if the cache contains 10,000 events. When the app is undeployed, all remaining data is written to GCS. |
This adapter has a choice of formatters. See Supported writer-formatter combinations for more information.
GCS Writer sample application
CREATE APPLICATION testGCS; CREATE SOURCE PosSource USING FileReader ( wildcard: 'PosDataPreview.csv', directory: 'Samples/PosApp/appData', positionByEOF:false ) PARSE USING DSVParser ( header:Yes, trimquote:false ) OUTPUT TO PosSource_Stream; CREATE CQ PosSource_Stream_CQ INSERT INTO PosSource_TransformedStream SELECT TO_STRING(data[1]) AS MerchantId, TO_DATE(data[4]) AS DateTime, TO_DOUBLE(data[7]) AS AuthAmount, TO_STRING(data[9]) AS Zip FROM PosSource_Stream; CREATE TARGET GCSOut USING GCSWriter ( bucketName: 'mybucket', objectName: 'myobjectname', serviceAccountKey: 'conf/myproject-ec6f8b0e3afe.json', projectId: 'myproject' ) FORMAT USING DSVFormatter () INPUT FROM PosSource_TransformedStream; END APPLICATION testGCS;