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9a3170bf77
This change allows the user to choose not to fallback to NBD mounter when some ImageFeatures are absent with krbd driver, rather just fail the NodeStage call. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
135 lines
5.8 KiB
YAML
135 lines
5.8 KiB
YAML
---
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apiVersion: storage.k8s.io/v1
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kind: StorageClass
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metadata:
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name: csi-rbd-sc
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provisioner: rbd.csi.ceph.com
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# If topology based provisioning is desired, delayed provisioning of
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# PV is required and is enabled using the following attribute
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# For further information read TODO<doc>
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# volumeBindingMode: WaitForFirstConsumer
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parameters:
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# (required) String representing a Ceph cluster to provision storage from.
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# Should be unique across all Ceph clusters in use for provisioning,
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# cannot be greater than 36 bytes in length, and should remain immutable for
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# the lifetime of the StorageClass in use.
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# Ensure to create an entry in the configmap named ceph-csi-config, based on
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# csi-config-map-sample.yaml, to accompany the string chosen to
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# represent the Ceph cluster in clusterID below
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clusterID: <cluster-id>
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# (optional) If you want to use erasure coded pool with RBD, you need to
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# create two pools. one erasure coded and one replicated.
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# You need to specify the replicated pool here in the `pool` parameter, it is
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# used for the metadata of the images.
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# The erasure coded pool must be set as the `dataPool` parameter below.
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# dataPool: <ec-data-pool>
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# (required) Ceph pool into which the RBD image shall be created
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# eg: pool: rbdpool
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pool: <rbd-pool-name>
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# Deprecated: Set thickProvision to true if you want RBD images to be fully
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# allocated on creation (thin provisioning is the default).
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# thickProvision: "false"
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# (required) RBD image features, CSI creates image with image-format 2
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# CSI RBD currently supports `layering`, `journaling`, `exclusive-lock`
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# features. If `journaling` is enabled, must enable `exclusive-lock` too.
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# imageFeatures: layering,journaling,exclusive-lock
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imageFeatures: layering
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# (optional) Specifies whether to try other mounters in case if the current
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# mounter fails to mount the rbd image for any reason. True means fallback
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# to next mounter, default is set to false.
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# Note: tryOtherMounters is currently useful to fallback from krbd to rbd-nbd
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# in case if any of the specified imageFeatures is not supported by krbd
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# driver on node scheduled for application pod launch, but in the future this
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# should work with any mounter type.
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# tryOtherMounters: false
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# (optional) mapOptions is a comma-separated list of map options.
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# For krbd options refer
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# https://docs.ceph.com/docs/master/man/8/rbd/#kernel-rbd-krbd-options
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# For nbd options refer
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# https://docs.ceph.com/docs/master/man/8/rbd-nbd/#options
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# mapOptions: lock_on_read,queue_depth=1024
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# (optional) unmapOptions is a comma-separated list of unmap options.
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# For krbd options refer
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# https://docs.ceph.com/docs/master/man/8/rbd/#kernel-rbd-krbd-options
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# For nbd options refer
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# https://docs.ceph.com/docs/master/man/8/rbd-nbd/#options
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# unmapOptions: force
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# The secrets have to contain Ceph credentials with required access
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# to the 'pool'.
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csi.storage.k8s.io/provisioner-secret-name: csi-rbd-secret
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csi.storage.k8s.io/provisioner-secret-namespace: default
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csi.storage.k8s.io/controller-expand-secret-name: csi-rbd-secret
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csi.storage.k8s.io/controller-expand-secret-namespace: default
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csi.storage.k8s.io/node-stage-secret-name: csi-rbd-secret
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csi.storage.k8s.io/node-stage-secret-namespace: default
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# (optional) Specify the filesystem type of the volume. If not specified,
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# csi-provisioner will set default as `ext4`.
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csi.storage.k8s.io/fstype: ext4
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# (optional) uncomment the following to use rbd-nbd as mounter
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# on supported nodes
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# mounter: rbd-nbd
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# (optional) ceph client log location, eg: rbd-nbd
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# By default host-path /var/log/ceph of node is bind-mounted into
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# csi-rbdplugin pod at /var/log/ceph mount path. This is to configure
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# target bindmount path used inside container for ceph clients logging.
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# See docs/rbd-nbd.md for available configuration options.
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# cephLogDir: /var/log/ceph
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# (optional) ceph client log strategy
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# By default, log file belonging to a particular volume will be deleted
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# on unmap, but you can choose to just compress instead of deleting it
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# or even preserve the log file in text format as it is.
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# Available options `remove` or `compress` or `preserve`
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# cephLogStrategy: remove
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# (optional) Prefix to use for naming RBD images.
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# If omitted, defaults to "csi-vol-".
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# volumeNamePrefix: "foo-bar-"
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# (optional) Instruct the plugin it has to encrypt the volume
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# By default it is disabled. Valid values are "true" or "false".
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# A string is expected here, i.e. "true", not true.
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# encrypted: "true"
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# (optional) Use external key management system for encryption passphrases by
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# specifying a unique ID matching KMS ConfigMap. The ID is only used for
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# correlation to configmap entry.
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# encryptionKMSID: <kms-config-id>
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# Add topology constrained pools configuration, if topology based pools
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# are setup, and topology constrained provisioning is required.
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# For further information read TODO<doc>
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# topologyConstrainedPools: |
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# [{"poolName":"pool0",
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# "dataPool":"ec-pool0" # optional, erasure-coded pool for data
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# "domainSegments":[
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# {"domainLabel":"region","value":"east"},
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# {"domainLabel":"zone","value":"zone1"}]},
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# {"poolName":"pool1",
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# "dataPool":"ec-pool1" # optional, erasure-coded pool for data
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# "domainSegments":[
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# {"domainLabel":"region","value":"east"},
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# {"domainLabel":"zone","value":"zone2"}]},
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# {"poolName":"pool2",
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# "dataPool":"ec-pool2" # optional, erasure-coded pool for data
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# "domainSegments":[
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# {"domainLabel":"region","value":"west"},
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# {"domainLabel":"zone","value":"zone1"}]}
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# ]
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reclaimPolicy: Delete
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allowVolumeExpansion: true
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mountOptions:
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- discard
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