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Merge pull request #36437 from humblec/glusterfs-clusterid-prov

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Automatic merge from submit-queue

Add `clusterid`, an optional parameter to storageclass.

At present, admin doesn't have the privilege to chose the
trusted storage pool from which persistent gluster volume
has to be provided.

This patch introduce a new storage class parameter which allows
the admin to specify storage pool/cluster if required.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Kubernetes Submit Queue 2016-12-01 06:31:25 -08:00 committed by GitHub
commit 8f07fc3d41
3 changed files with 9 additions and 7 deletions
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4
examples/experimental/persistent-volume-provisioning/README.md
View File

@ -74,6 +74,7 @@ metadata:
provisioner: kubernetes.io/glusterfs
parameters:
resturl: "http://127.0.0.1:8081"
clusterid: "630372ccdc720a92c681fb928f27b53f"
restuser: "admin"
secretNamespace: "default"
secretName: "heketi-secret"
@ -85,8 +86,9 @@ parameters:
* `restuser` : Gluster REST service/Heketi user who has access to create volumes in the Gluster Trusted Pool.
* `restuserkey` : Gluster REST service/Heketi user's password which will be used for authentication to the REST server. This parameter is deprecated in favor of `secretNamespace` + `secretName`.
* `secretNamespace` + `secretName` : Identification of Secret instance that containes user password to use when talking to Gluster REST service. These parameters are optional, empty password will be used when both `secretNamespace` and `secretName` are omitted. The provided secret must have type "kubernetes.io/glusterfs".
When both `restuserkey` and `secretNamespace` + `secretName` is specified, the secret will be used.
* `clusterid`: `630372ccdc720a92c681fb928f27b53f` is the ID of the cluster which will be used by Heketi when provisioning the volume. It can also be a list of clusterids, for ex:
"8452344e2becec931ece4e33c4674e4e,42982310de6c63381718ccfa6d8cf397". This is an optional parameter.
Example of a secret can be found in [glusterfs-provisioning-secret.yaml](glusterfs-provisioning-secret.yaml).

1
examples/experimental/persistent-volume-provisioning/glusterfs-dp.yaml
View File

@ -5,6 +5,7 @@ metadata:
provisioner: kubernetes.io/glusterfs
parameters:
resturl: "http://127.0.0.1:8081"
clusterid: "630372ccdc720a92c681fb928f27b53f"
restuser: "admin"
secretNamespace: "default"
secretName: "heketi-secret"

11
pkg/volume/glusterfs/glusterfs.go
View File

@ -62,11 +62,6 @@ const (
replicaCount = 3
durabilityType = "replicate"
secretKeyName = "key" // key name used in secret
annGlusterURL = "glusterfs.kubernetes.io/url"
annGlusterSecretName = "glusterfs.kubernetes.io/secretname"
annGlusterSecretNamespace = "glusterfs.kubernetes.io/secretnamespace"
annGlusterUserKey = "glusterfs.kubernetes.io/userkey"
annGlusterUser = "glusterfs.kubernetes.io/userid"
gciGlusterMountBinariesPath = "/sbin/mount.glusterfs"
)
@ -385,6 +380,7 @@ type provisioningConfig struct {
secretNamespace string
secretName string
secretValue string
clusterId string
}
type glusterfsVolumeProvisioner struct {
@ -526,7 +522,8 @@ func (p *glusterfsVolumeProvisioner) CreateVolume() (r *v1.GlusterfsVolumeSource
glog.Errorf("glusterfs: failed to create glusterfs rest client")
return nil, 0, fmt.Errorf("failed to create glusterfs REST client, REST server authentication failed")
}
volumeReq := &gapi.VolumeCreateRequest{Size: sz, Durability: gapi.VolumeDurabilityInfo{Type: durabilityType, Replicate: gapi.ReplicaDurability{Replica: replicaCount}}}
clusterIds := dstrings.Split(p.clusterId, ",")
volumeReq := &gapi.VolumeCreateRequest{Size: sz, Clusters: clusterIds, Durability: gapi.VolumeDurabilityInfo{Type: durabilityType, Replicate: gapi.ReplicaDurability{Replica: replicaCount}}}
volume, err := cli.VolumeCreate(volumeReq)
if err != nil {
glog.Errorf("glusterfs: error creating volume %v ", err)
@ -680,6 +677,8 @@ func parseClassParameters(params map[string]string, kubeClient clientset.Interfa
cfg.secretName = v
case "secretnamespace":
cfg.secretNamespace = v
case "clusterid":
cfg.clusterId = v
case "restauthenabled":
authEnabled = dstrings.ToLower(v) == "true"
default: