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VolumeSubpathEnvExpansion feature gate is enabled by default from v1.15 (#16307)

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* VolumeSubpathEnvExpansion feature gate is enabled by default from v1.15

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houjun
2019-10-09 06:59:51 +08:00
committed by Kubernetes Prow Robot
parent e5863effe6
commit 633bda12a8
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content/en/docs/concepts/storage/volumes.md
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@@ -1158,7 +1158,7 @@ spec:
Use the `subPathExpr` field to construct `subPath` directory names from Downward API environment variables.
Before you use this feature, you must enable the `VolumeSubpathEnvExpansion` feature gate.
This feature requires the `VolumeSubpathEnvExpansion` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/) to be enabled. It is enabled by default starting with Kubernetes 1.15.
The `subPath` and `subPathExpr` properties are mutually exclusive.
In this example, a Pod uses `subPathExpr` to create a directory `pod1` within the hostPath volume `/var/log/pods`, using the pod name from the Downward API. The host directory `/var/log/pods/pod1` is mounted at `/logs` in the container.