Documentation Index
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The copy keys processing rule copies the value of
a specified source key to the value of a specified destination key. This destination
can either be a new or existing key.
Configuration parameters
Use the parameters in this section to configure the . The
Telemetry Pipeline web interface uses the items in the Name column to
describe these parameters. Pipeline configuration files
use the items in the Key column as YAML keys.
| Name | Key | Description | Default |
|---|
| Source key | src | Required. The key whose value to copy. | none |
| Destination key | dst | Required. The key whose value is set to match the source key. If no matching key exists, this rule creates a new key and then set its value accordingly. | none |
| Regex engine | regexEngine | Required. The engine to parse your regular expression. Accepted values: GNU, Oniguruma, PCRE2, POSIX, TRE. | PCRE2 |
| Regex mode checkbox | regexMode | Indicates whether the values of the source key and destination key are regular expressions. If selected, Source key is treated as a regular expression and Destination key is treated as a substitution pattern. | Not selected |
| Comment | comment | A custom note or description of the rule’s function. This text is displayed next to the rule’s name in the Actions list in the processing rules interface. | none |
Example
Using the block keys rule lets you copy the same value across multiple keys or
create a new key with the same value as an existing key.
For example, given the following sample website log data:
{"timestamp":"2023-03-28T09:08:41.64283645Z","user_id":3,"page_id":30,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:42.643343109Z","user_id":4,"page_id":10,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:48.643600498Z","user_id":1,"page_id":50,"action":"click"}
{"timestamp":"2023-03-28T09:08:50.643773688Z","user_id":5,"page_id":40,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:51.643932272Z","user_id":1,"page_id":30,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:56.644080944Z","user_id":2,"page_id":40,"action":"click"}
{"timestamp":"2023-03-28T09:09:03.64425954Z","user_id":3,"page_id":30,"action":"click"}
{"timestamp":"2023-03-28T09:09:03.644317046Z","user_id":1,"page_id":20,"action":"view"}
{"timestamp":"2023-03-28T09:09:10.64447719Z","user_id":2,"page_id":50,"action":"purchase"}
{"timestamp":"2023-03-28T09:09:17.644810963Z","user_id":2,"page_id":10,"action":"view"}
{"timestamp":"2023-03-28T09:09:20.644994805Z","user_id":1,"page_id":50,"action":"view"}
page_id and the
Destination key value product_id returns the following result:
{"user_id":3,"product_id":30,"page_id":30,"action":"purchase","timestamp":"2023-03-28T09:08:41.64283645Z"}
{"user_id":4,"product_id":10,"page_id":10,"action":"purchase","timestamp":"2023-03-28T09:08:42.643343109Z"}
{"user_id":1,"product_id":50,"page_id":50,"action":"click","timestamp":"2023-03-28T09:08:48.643600498Z"}
{"user_id":5,"product_id":40,"page_id":40,"action":"purchase","timestamp":"2023-03-28T09:08:50.643773688Z"}
{"user_id":1,"product_id":30,"page_id":30,"action":"purchase","timestamp":"2023-03-28T09:08:51.643932272Z"}
{"user_id":2,"product_id":40,"page_id":40,"action":"click","timestamp":"2023-03-28T09:08:56.644080944Z"}
{"user_id":3,"product_id":30,"page_id":30,"action":"click","timestamp":"2023-03-28T09:09:03.64425954Z"}
{"user_id":1,"product_id":20,"page_id":20,"action":"view","timestamp":"2023-03-28T09:09:03.644317046Z"}
{"user_id":2,"product_id":50,"page_id":50,"action":"purchase","timestamp":"2023-03-28T09:09:10.64447719Z"}
{"user_id":2,"product_id":10,"page_id":10,"action":"view","timestamp":"2023-03-28T09:09:17.644810963Z"}
{"user_id":1,"product_id":50,"page_id":50,"action":"view","timestamp":"2023-03-28T09:09:20.644994805Z"}
page_id key to the value of a new key
called product_id.
