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c9cc36d8db
Currently, we delete the ceph client log file on unmap/detach. This patch provides additional alternatives for users who would like to persist the log files. Strategies: ----------- `remove`: delete log file on unmap/detach `compress`: compress the log file to gzip on unmap/detach `preserve`: preserve the log file in text format Note that the default strategy will be remove on unmap, and these options can be tweaked from the storage class Compression size details example: On Map: (with debug-rbd=20) --------- $ ls -lh -rw-r--r-- 1 root root 526K Sep 1 18:15 rbd-nbd-0001-0024-fed5480a-f00f-417a-a51d-31d8a8144c03-0000000000000003-d2e89c87-0b4d-11ec-8ea6-160f128e682d.log On unmap: --------- $ ls -lh -rw-r--r-- 1 root root 33K Sep 1 18:15 rbd-nbd-0001-0024-fed5480a-f00f-417a-a51d-31d8a8144c03-0000000000000003-d2e89c87-0b4d-11ec-8ea6-160f128e682d.gz Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
125 lines
5.3 KiB
YAML
125 lines
5.3 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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# Set thickProvision to true if you want RBD images to be fully allocated on
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# 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) 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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