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ceph-csi/examples/rbd/storageclass.yaml

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---
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apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: csi-rbd-sc
provisioner: rbd.csi.ceph.com
# If topology based provisioning is desired, delayed provisioning of
# PV is required and is enabled using the following attribute
# For further information read TODO<doc>
# volumeBindingMode: WaitForFirstConsumer
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parameters:
# (required) String representing a Ceph cluster to provision storage from.
# Should be unique across all Ceph clusters in use for provisioning,
# cannot be greater than 36 bytes in length, and should remain immutable for
# the lifetime of the StorageClass in use.
# Ensure to create an entry in the configmap named ceph-csi-config, based on
# csi-config-map-sample.yaml, to accompany the string chosen to
# represent the Ceph cluster in clusterID below
clusterID: <cluster-id>
# (optional) If you want to use erasure coded pool with RBD, you need to
# create two pools. one erasure coded and one replicated.
# You need to specify the replicated pool here in the `pool` parameter, it is
# used for the metadata of the images.
# The erasure coded pool must be set as the `dataPool` parameter below.
# dataPool: <ec-data-pool>
# (required) Ceph pool into which the RBD image shall be created
# eg: pool: rbdpool
pool: <rbd-pool-name>
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# (optional) RBD image features, CSI creates image with image-format 2 CSI
# RBD currently supports `layering`, `journaling`, `exclusive-lock`,
# `object-map`, `fast-diff`, `deep-flatten` features.
# Refer https://docs.ceph.com/en/latest/rbd/rbd-config-ref/#image-features
# for image feature dependencies.
# imageFeatures: layering,journaling,exclusive-lock,object-map,fast-diff
imageFeatures: "layering"
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# (optional) Options to pass to the `mkfs` command while creating the
# filesystem on the RBD device. Check the man-page for the `mkfs` command
# for the filesystem for more details. When `mkfsOptions` is set here, the
# defaults will not be used, consider including them in this parameter.
#
# The default options depend on the csi.storage.k8s.io/fstype setting:
# - ext4: "-m0 -Enodiscard,lazy_itable_init=1,lazy_journal_init=1"
# - xfs: "-onouuid -K"
#
# mkfsOptions: "-m0 -Ediscard -i1024"
# (optional) Specifies whether to try other mounters in case if the current
# mounter fails to mount the rbd image for any reason. True means fallback
# to next mounter, default is set to false.
# Note: tryOtherMounters is currently useful to fallback from krbd to rbd-nbd
# in case if any of the specified imageFeatures is not supported by krbd
# driver on node scheduled for application pod launch, but in the future this
# should work with any mounter type.
# tryOtherMounters: false
# (optional) mapOptions is a comma-separated list of map options.
# For krbd options refer
# https://docs.ceph.com/docs/master/man/8/rbd/#kernel-rbd-krbd-options
# For nbd options refer
# https://docs.ceph.com/docs/master/man/8/rbd-nbd/#options
# Format:
# mapOptions: "<mounter>:op1,op2;<mounter>:op1,op2"
# An empty mounter field is treated as krbd type for compatibility.
# eg:
# mapOptions: "krbd:lock_on_read,queue_depth=1024;nbd:try-netlink"
# (optional) unmapOptions is a comma-separated list of unmap options.
# For krbd options refer
# https://docs.ceph.com/docs/master/man/8/rbd/#kernel-rbd-krbd-options
# For nbd options refer
# https://docs.ceph.com/docs/master/man/8/rbd-nbd/#options
# Format:
# unmapOptions: "<mounter>:op1,op2;<mounter>:op1,op2"
# An empty mounter field is treated as krbd type for compatibility.
# eg:
# unmapOptions: "krbd:force;nbd:force"
# The secrets have to contain Ceph credentials with required access
# to the 'pool'.
csi.storage.k8s.io/provisioner-secret-name: csi-rbd-secret
csi.storage.k8s.io/provisioner-secret-namespace: default
csi.storage.k8s.io/controller-expand-secret-name: csi-rbd-secret
csi.storage.k8s.io/controller-expand-secret-namespace: default
csi.storage.k8s.io/node-stage-secret-name: csi-rbd-secret
csi.storage.k8s.io/node-stage-secret-namespace: default
# (optional) Specify the filesystem type of the volume. If not specified,
# csi-provisioner will set default as `ext4`.
csi.storage.k8s.io/fstype: ext4
# (optional) uncomment the following to use rbd-nbd as mounter
# on supported nodes
# mounter: rbd-nbd
# (optional) ceph client log location, eg: rbd-nbd
# By default host-path /var/log/ceph of node is bind-mounted into
# csi-rbdplugin pod at /var/log/ceph mount path. This is to configure
# target bindmount path used inside container for ceph clients logging.
# See docs/rbd-nbd.md for available configuration options.
# cephLogDir: /var/log/ceph
# (optional) ceph client log strategy
# By default, log file belonging to a particular volume will be deleted
# on unmap, but you can choose to just compress instead of deleting it
# or even preserve the log file in text format as it is.
# Available options `remove` or `compress` or `preserve`
# cephLogStrategy: remove
# (optional) Prefix to use for naming RBD images.
# If omitted, defaults to "csi-vol-".
# volumeNamePrefix: "foo-bar-"
# (optional) Instruct the plugin it has to encrypt the volume
# By default it is disabled. Valid values are "true" or "false".
# A string is expected here, i.e. "true", not true.
# encrypted: "true"
# (optional) Select the encryption type when encrypted: "true" above.
# Valid values are:
# "file": Enable file encryption on the mounted filesystem
# "block": Encrypt RBD block device
# When unspecified assume type "block". "file" and "block" are
# mutally exclusive.
# encryptionType: "block"
# (optional) Use external key management system for encryption passphrases by
# specifying a unique ID matching KMS ConfigMap. The ID is only used for
# correlation to configmap entry.
# encryptionKMSID: <kms-config-id>
# Add topology constrained pools configuration, if topology based pools
# are setup, and topology constrained provisioning is required.
# For further information read TODO<doc>
# topologyConstrainedPools: |
# [{"poolName":"pool0",
# "dataPool":"ec-pool0" # optional, erasure-coded pool for data
# "domainSegments":[
# {"domainLabel":"region","value":"east"},
# {"domainLabel":"zone","value":"zone1"}]},
# {"poolName":"pool1",
# "dataPool":"ec-pool1" # optional, erasure-coded pool for data
# "domainSegments":[
# {"domainLabel":"region","value":"east"},
# {"domainLabel":"zone","value":"zone2"}]},
# {"poolName":"pool2",
# "dataPool":"ec-pool2" # optional, erasure-coded pool for data
# "domainSegments":[
# {"domainLabel":"region","value":"west"},
# {"domainLabel":"zone","value":"zone1"}]}
# ]
# Image striping, Refer https://docs.ceph.com/en/latest/man/8/rbd/#striping
# For more details
# (optional) stripe unit in bytes.
# stripeUnit: <>
# (optional) objects to stripe over before looping.
# stripeCount: <>
# (optional) The object size in bytes.
# objectSize: <>
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reclaimPolicy: Delete
allowVolumeExpansion: true
mountOptions:
- discard