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Merge pull request #22575 from MikaelCluseau/wip-issue-20466

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Add subPath to mount a child dir or file of a volumeMount

Allow users to specify a subPath in Container.volumeMounts so they can use a single volume for many mounts instead of creating many volumes. For instance, a user can now use a single PersistentVolume to store the Mysql database and the document root of an Apache server of a LAMP stack pod by mapping them to different subPaths in this single volume.

Also solves https://github.com/kubernetes/kubernetes/issues/20466.
This commit is contained in:
k8s-merge-robot
2016-05-08 08:45:15 -07:00
parent 62ef6c9a34 4c2dc566ac
commit f2f3b49f58
22 changed files with 310 additions and 58 deletions
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pkg/api/v1/generated.proto
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@@ -2705,6 +2705,10 @@ message VolumeMount {
// Path within the container at which the volume should be mounted. Must
// not contain ':'.
optional string mountPath = 3;
// Path within the volume from which the container's volume should be mounted.
// Defaults to "" (volume's root).
optional string subPath = 4;
}
// Represents the source of a volume to mount.