110 lines
3.4 KiB
Puppet
110 lines
3.4 KiB
Puppet
# == define: cinder::backend::rbd
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#
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# Setup Cinder to use the RBD driver.
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# Compatible for multiple backends
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#
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# === Parameters
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#
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# [*rbd_pool*]
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# (required) Specifies the pool name for the block device driver.
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#
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# [*rbd_user*]
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# (required) A required parameter to configure OS init scripts and cephx.
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#
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# [*volume_backend_name*]
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# (optional) Allows for the volume_backend_name to be separate of $name.
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# Defaults to: $name
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#
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# [*rbd_ceph_conf*]
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# (optional) Path to the ceph configuration file to use
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# Defaults to '/etc/ceph/ceph.conf'
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#
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# [*rbd_flatten_volume_from_snapshot*]
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# (optional) Enable flatten volumes created from snapshots.
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# Defaults to false
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#
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# [*rbd_secret_uuid*]
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# (optional) A required parameter to use cephx.
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# Defaults to false
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#
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# [*volume_tmp_dir*]
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# (optional) Location to store temporary image files if the volume
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# driver does not write them directly to the volume
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# Defaults to false
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#
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# [*rbd_max_clone_depth*]
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# (optional) Maximum number of nested clones that can be taken of a
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# volume before enforcing a flatten prior to next clone.
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# A value of zero disables cloning
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# Defaults to '5'
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#
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# [*extra_options*]
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# (optional) Hash of extra options to pass to the backend stanza
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# Defaults to: {}
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# Example :
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# { 'rbd_backend/param1' => { 'value' => value1 } }
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#
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define cinder::backend::rbd (
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$rbd_pool,
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$rbd_user,
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$volume_backend_name = $name,
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$rbd_ceph_conf = '/etc/ceph/ceph.conf',
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$rbd_flatten_volume_from_snapshot = false,
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$rbd_secret_uuid = false,
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$volume_tmp_dir = false,
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$rbd_max_clone_depth = '5',
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$extra_options = {},
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) {
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include ::cinder::params
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cinder_config {
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"${name}/volume_backend_name": value => $volume_backend_name;
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"${name}/volume_driver": value => 'cinder.volume.drivers.rbd.RBDDriver';
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"${name}/rbd_ceph_conf": value => $rbd_ceph_conf;
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"${name}/rbd_user": value => $rbd_user;
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"${name}/rbd_pool": value => $rbd_pool;
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"${name}/rbd_max_clone_depth": value => $rbd_max_clone_depth;
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"${name}/rbd_flatten_volume_from_snapshot": value => $rbd_flatten_volume_from_snapshot;
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}
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if $rbd_secret_uuid {
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cinder_config {"${name}/rbd_secret_uuid": value => $rbd_secret_uuid;}
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} else {
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cinder_config {"${name}/rbd_secret_uuid": ensure => absent;}
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}
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if $volume_tmp_dir {
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cinder_config {"${name}/volume_tmp_dir": value => $volume_tmp_dir;}
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} else {
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cinder_config {"${name}/volume_tmp_dir": ensure => absent;}
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}
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create_resources('cinder_config', $extra_options)
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case $::osfamily {
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'Debian': {
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$override_line = "env CEPH_ARGS=\"--id ${rbd_user}\""
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$override_match = '^env CEPH_ARGS='
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}
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'RedHat': {
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$override_line = "export CEPH_ARGS=\"--id ${rbd_user}\""
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$override_match = '^export CEPH_ARGS='
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}
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default: {
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fail("unsupported osfamily ${::osfamily}, currently Debian and Redhat are the only supported platforms")
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}
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}
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# Creates an empty file if it doesn't yet exist
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ensure_resource('file', $::cinder::params::ceph_init_override, {'ensure' => 'present'})
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ensure_resource('file_line', 'set initscript env', {
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line => $override_line,
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path => $::cinder::params::ceph_init_override,
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match => $override_match,
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notify => Service['cinder-volume']
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})
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}
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