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filter_rewrite_tag: add examples for yaml configuration #1309

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Feb 22, 2024
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filter_rewrite_tag: add examples for yaml configuration #1309

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26 changes: 26 additions & 0 deletions pipeline/filters/rewrite-tag.md
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,8 @@ You can use `true` or `false` to decide the expected behavior. There is no defau

The following configuration example will emit a dummy \(hand-crafted\) record, the filter will rewrite the tag, discard the old record and print the new record to the standard output interface:

{% tabs %}
{% tab title="fluent-bit.conf" %}
```python
[SERVICE]
Flush 1
Expand All @@ -137,6 +139,30 @@ The following configuration example will emit a dummy \(hand-crafted\) record, t
Name stdout
Match from.*
```
{% endtab %}

{% tab title="fluent-bit.yaml" %}
```yaml
service:
flush: 1
log_level: info
pipeline:
inputs:
- name: dummy
tag: test_tag
dummy: '{"tool": "fluent", "sub": {"s1": {"s2": "bit"}}}'
filters:
- name: rewrite_tag
match: test_tag
rule: $tool ^(fluent)$ from.$TAG.new.$tool.$sub['s1']['s2'].out false
emitter_name: re_emitted
outputs:
- name: stdout
match: from.*
```
{% endtab %}
{% endtabs %}


The original tag `test_tag` will be rewritten as `from.test_tag.new.fluent.bit.out`:

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