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Merge pull request #38137 from obnoxxx/gluster-dp-gid-fix

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Automatic merge from submit-queue (batch tested with PRs 38076, 38137, 36882, 37634, 37558)

glusterfs: Fix all gid types to int to prevent failures on 32bit systems

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**What this PR does / why we need it**:

The glusterfs dynamic provisioner with GID security has an issue on 32 bit systems.
This fixes that issue by forcing all gid types to int internally.
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**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

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**Release note**:
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```release-note
Fix the glusterfs dynamic provisioner for 32bit systems by limiting the gids to type int internally, and allowing 2147483647 as the highest GID.
```

This makes all types int until we hand the GID to heketi/gluster,
at which point it's converted to int64.

It also limits the maximum usable GID ti math.MaxInt32 = 2147483647.

Signed-off-by: Michael Adam <obnox@redhat.com>
This commit is contained in:
Kubernetes Submit Queue
2016-12-05 19:25:51 -08:00
committed by GitHub
parent f587c7a49f 8a1752f2bb
commit c5c1706f22
3 changed files with 27 additions and 20 deletions
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2
examples/experimental/persistent-volume-provisioning/README.md
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@@ -94,7 +94,7 @@ When both `restuserkey` and `secretNamespace` + `secretName` is specified, the s
Example of a secret can be found in [glusterfs-provisioning-secret.yaml](glusterfs-provisioning-secret.yaml).
* `gidMin` + `gidMax` : The minimum and maximum value of GID range for the storage class. A unique value (GID) in this range ( gidMin-gidMax ) will be used for dynamically provisioned volumes. These are optional values. If not specified, the volume will be provisioned with a value between 2000-4294967295 which are defaults for gidMin and gidMax respectively.
* `gidMin` + `gidMax` : The minimum and maximum value of GID range for the storage class. A unique value (GID) in this range ( gidMin-gidMax ) will be used for dynamically provisioned volumes. These are optional values. If not specified, the volume will be provisioned with a value between 2000-2147483647 which are defaults for gidMin and gidMax respectively.
Reference : ([How to configure Heketi](https://github.com/heketi/heketi/wiki/Setting-up-the-topology))