From f0d8162c44eed72b982cae7149b0a16faa909ad5 Mon Sep 17 00:00:00 2001
From: Jeff Ching <chingor@google.com>
Date: Mon, 14 Sep 2020 14:04:21 -0700
Subject: [PATCH] samples: bring back samples README (#271)

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 dlp/snippets/snippets/README.md | 59 +++++++++++++++++++++++++++++++++
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+# Cloud Data Loss Prevention (DLP) API Samples
+
+<a href="https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-dlp&page=editor&open_in_editor=samples/snippets/README.md">
+<img alt="Open in Cloud Shell" src ="http://gstatic.com/cloudssh/images/open-btn.png"></a>
+
+The [Data Loss Prevention API](https://cloud.google.com/dlp/docs/) provides programmatic access to 
+a powerful detection engine for personally identifiable information and other privacy-sensitive data
+ in unstructured data streams.
+
+## Setup
+- A Google Cloud project with billing enabled
+- [Enable](https://console.cloud.google.com/launcher/details/google/dlp.googleapis.com) the DLP API.
+- [Create a service account](https://cloud.google.com/docs/authentication/getting-started)
+and set the `GOOGLE_APPLICATION_CREDENTIALS` environment variable pointing to the downloaded credentials file.
+
+## Running
+
+To run a specific sample, edit any variables under the `TODO(developer):` in the
+function at the top of each sample, and then execute the function as convenient.
+
+For example, if using the command line you might use the following (replacing 
+`<CLASS_NAME>` with the name of the sample):
+```bash
+mvn exec:java -Dexec.mainClass="dlp.snippets.<CLASS_NAME>"
+```
+
+
+## Testing
+
+### Setup
+- Ensure that `GOOGLE_APPLICATION_CREDENTIALS` points to authorized service account credentials file.
+- Set the `DLP_DEID_WRAPPED_KEY` environment variable to an AES-256 key encrypted ('wrapped') [with a Cloud Key Management Service (KMS) key](https://cloud.google.com/kms/docs/encrypt-decrypt).
+- Set the `DLP_DEID_KEY_NAME` environment variable to the path-name of the Cloud KMS key you wrapped `DLP_DEID_WRAPPED_KEY` with.
+- [Create a Google Cloud Storage bucket](https://console.cloud.google.com/storage) and upload [test.txt](src/test/resources/test.txt).
+    - Set the `GCS_PATH` environment variable to point to the path for the bucket.
+- Copy and paste the data below into a CSV file and [create a BigQuery table](https://cloud.google.com/bigquery/docs/loading-data-local) from the file:
+    ```$xslt
+    Name,TelephoneNumber,Mystery,Age,Gender
+    James,(567) 890-1234,8291 3627 8250 1234,19,Male
+    Gandalf,(223) 456-7890,4231 5555 6781 9876,27,Male
+    Dumbledore,(313) 337-1337,6291 8765 1095 7629,27,Male
+    Joe,(452) 223-1234,3782 2288 1166 3030,35,Male
+    Marie,(452) 223-1234,8291 3627 8250 1234,35,Female
+    Carrie,(567) 890-1234,2253 5218 4251 4526,35,Female
+    ```
+  - Set the `BIGQUERY_DATASET` and `BIGQUERY_TABLE` environment values.
+- [Create a Google Cloud Pub/Sub](https://console.cloud.google.com/datastore) topic and and a subscription that is subscribed to the topic.
+    - Set the `PUB_SUB_TOPIC` and `PUB_SUB_SUBSCRIPTION` environment variables to the corresponding values.
+- [Create a Google Cloud Datastore](https://console.cloud.google.com/datastore) kind and add an entity with properties:
+  - `property1` : john@doe.com
+  - `property2` : 343-343-3435
+-  Update the Datastore kind in [InspectTests.java](src/test/java/dlp/snippets/InspectTests.java).
+
+
+### Run
+Run all tests:
+```
+   mvn clean verify
+```