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new 1dbd005df6a updated docs with behavior for empty collections in pod
template selector config (#17464)
1dbd005df6a is described below
commit 1dbd005df6a7821ddbdd1599de132403abde1fb2
Author: Kiran Gadhave <[email protected]>
AuthorDate: Tue Nov 12 14:21:27 2024 -0700
updated docs with behavior for empty collections in pod template selector
config (#17464)
---
docs/development/extensions-contrib/k8s-jobs.md | 34 +++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/docs/development/extensions-contrib/k8s-jobs.md
b/docs/development/extensions-contrib/k8s-jobs.md
index 11663642bdd..d33db3e95df 100644
--- a/docs/development/extensions-contrib/k8s-jobs.md
+++ b/docs/development/extensions-contrib/k8s-jobs.md
@@ -599,6 +599,40 @@ Druid selects the pod templates as follows:
In this example, if there is an `index_kafka` task for the `wikipedia`
datasource with the tag `userProvidedTag: tag1`,
Druid selects the pod template `podSpecWithHighMemRequests.yaml`.
+In the above example, for selection key `podSpec1` we didn't specify task
`type`. This is equivalent to setting `type` to `null` or an empty array.
+All three examples below are equivalent.
+
+- Not setting `type`
+ ```json
+ {
+ "selectionKey": "podSpec1",
+ "context.tags": { "userProvidedTag": ["tag1", "tag2"] },
+ "dataSource": ["wikipedia"]
+ }
+ ```
+
+- Setting `type` to `null`
+ ```json
+ {
+ "selectionKey": "podSpec1",
+ "context.tags": { "userProvidedTag": ["tag1", "tag2"] },
+ "dataSource": ["wikipedia"],
+ "type": null
+ }
+ ```
+
+- Setting `type` to an empty array
+ ```json
+ {
+ "selectionKey": "podSpec1",
+ "context.tags": { "userProvidedTag": ["tag1", "tag2"] },
+ "dataSource": ["wikipedia"],
+ "type": []
+ }
+ ```
+
+In all the above cases, Druid will match the selector to any value of task
type. Druid applies similar logic for `dataSource`. For `context.tags` setting
`null` or an empty object `{}` is equivalent.
+
### Properties
|Property| Possible Values | Description
|Default|required|
|--------|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------|--------|
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