d49fe9c60c
With this new switch we can opt-out enforcement of the subscription
check for some composed role. This is mainly useful for composed Ceph
which have different constraint than other Openstack roles.
Closes-Bug: 1912512
Depends-On: https://review.opendev.org/c/openstack/tripleo-ansible/+/773912
Change-Id: I46529ccab6c197da4885950282eb6731e28573d6
(cherry picked from commit f87652dfe0)
229 lines
8.1 KiB
ReStructuredText
229 lines
8.1 KiB
ReStructuredText
Roles
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=====
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The yaml files in this directory can be combined into a single roles_data.yaml
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and be used with TripleO to create custom deployments.
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Use tripleoclient to build your own custom roles_data.yaml for your
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environment.
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roles_data.yaml
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---------------
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The roles_data.yaml specifies which roles (groups of nodes) will be deployed.
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Note this file is used as an input to the various \*.j2.yaml jinja2 templates,
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so that they are converted into \*.yaml during the plan creation. This occurs
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via a mistral action/workflow. The file format of this file is a yaml list.
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Role YAML files
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===============
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Each role yaml file should contain only a single role. The filename should
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match the role name. The name of the role is mandatory and must be unique.
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The role files in this folder should contain at least a role name and the
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default list of services for the role.
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Role Options
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------------
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* CountDefault: (number) optional, default number of nodes, defaults to 0
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sets the default for the {{role.name}}Count parameter in overcloud.yaml
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* HostnameFormatDefault: (string) optional default format string for hostname
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defaults to '%stackname%-{{role.name.lower()}}-%index%'
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sets the default for {{role.name}}HostnameFormat parameter in overcloud.yaml
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* ImageDefault: (string) optional default image name or ID, defaults to
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overcloud-full
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* FlavorDefault: (string) optional default flavor name or ID, defaults to
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baremetal
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* RoleParametersDefault: (map) optional default to the per-role RoleParameters
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value, this enables roles to specify specific values appropriate to their
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configuration, defaults to an empty map.
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* upgrade_batch_size: (number): batch size for upgrades where tasks are
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specified by services to run in batches vs all nodes at once.
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This defaults to 1, but larger batches may be specified here.
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* ServicesDefault: (list) optional default list of services to be deployed
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on the role, defaults to an empty list. Sets the default for the
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{{role.name}}Services parameter in overcloud.yaml
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* tags: (list) list of tags used by other parts of the deployment process to
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find the role for a specific type of functionality. Currently a role
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with both 'primary' and 'controller' is used as the primary role for the
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deployment process. If no roles have 'primary' and 'controller', the
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first role in this file is used as the primary role.
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The third tag that can be defined here is external_bridge, which is used
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to define which node must have a bridge created in a multiple-nic network
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config.
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* description: (string) as few sentences describing the role and information
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pertaining to the usage of the role.
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* networks: (list), optional list of networks which the role will have
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access to when network isolation is enabled. The names should match
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those defined in network_data.yaml.
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* networks_skip_config: (list), optional list of networks for which the
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configuration would be skipped for the role. The names should match
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those defined in network_data.yaml
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* rhsm_enforce: (boolean), optional, default to true. Some role may
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not follow the EUS stream constraint, like CephOSD or composed Ceph
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Mon/Mgr. This switch ensures that we can model this and disable the
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check when it is not needed. Note that on non Red Hat environment
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this switch has no effect.
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Working with Roles
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==================
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The tripleoclient provides a series of commands that can be used to view
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roles and generate a roles_data.yaml file for deployment.
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Listing Available Roles
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-----------------------
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The ``openstack overcloud role list`` command can be used to view the list
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of roles provided by tripleo-heat-templates.
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Usage
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^^^^^
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.. code-block::
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usage: openstack overcloud role list [-h] [--roles-path <roles directory>]
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List availables roles
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optional arguments:
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-h, --help show this help message and exit
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--roles-path <roles directory>
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Filesystem path containing the role yaml files. By
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default this is /usr/share/openstack-tripleo-heat-
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templates/roles
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Example
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^^^^^^^
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.. code-block::
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[user@host ~]$ openstack overcloud role list
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BlockStorage
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CephStorage
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Compute
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ComputeOvsDpdk
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ComputeSriov
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Controller
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ControllerOpenstack
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Database
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Messaging
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Minimal
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Networker
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ObjectStorage
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Telemetry
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Undercloud
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Viewing Role Details
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--------------------
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The ``openstack overcloud role show`` command can be used as a quick way to
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view some of the information about a role.
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Usage
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^^^^^
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.. code-block::
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usage: openstack overcloud role show [-h] [--roles-path <roles directory>]
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<role>
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Show information about a given role
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positional arguments:
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<role> Role to display more information about.
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optional arguments:
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-h, --help show this help message and exit
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--roles-path <roles directory>
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Filesystem path containing the role yaml files. By
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default this is /usr/share/openstack-tripleo-heat-
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templates/roles
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Example
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^^^^^^^
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.. code-block::
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[user@host ~]$ openstack overcloud role show Compute
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###############################################################################
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# Role Data for 'Compute'
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###############################################################################
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HostnameFormatDefault: '%stackname%-novacompute-%index%'
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ServicesDefault:
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* OS::TripleO::Services::AuditD
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* OS::TripleO::Services::CACerts
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* OS::TripleO::Services::CephClient
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* OS::TripleO::Services::CephExternal
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* OS::TripleO::Services::CertmongerUser
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* OS::TripleO::Services::Collectd
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* OS::TripleO::Services::ComputeCeilometerAgent
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* OS::TripleO::Services::ComputeNeutronCorePlugin
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* OS::TripleO::Services::ComputeNeutronL3Agent
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* OS::TripleO::Services::ComputeNeutronMetadataAgent
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* OS::TripleO::Services::ComputeNeutronOvsAgent
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* OS::TripleO::Services::Iscsid
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* OS::TripleO::Services::Kernel
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* OS::TripleO::Services::MySQLClient
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* OS::TripleO::Services::NeutronSriovAgent
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* OS::TripleO::Services::NeutronVppAgent
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* OS::TripleO::Services::NovaCompute
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* OS::TripleO::Services::NovaLibvirt
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* OS::TripleO::Services::NovaMigrationTarget
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* OS::TripleO::Services::Podman
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* OS::TripleO::Services::Securetty
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* OS::TripleO::Services::Snmp
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* OS::TripleO::Services::Sshd
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* OS::TripleO::Services::Timesync
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* OS::TripleO::Services::Timezone
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* OS::TripleO::Services::TripleoFirewall
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* OS::TripleO::Services::TripleoPackages
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* OS::TripleO::Services::Vpp
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name: 'Compute'
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Generate roles_data.yaml
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------------------------
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The ``openstack overcloud roles generate`` command can be used to generate
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a roles_data.yaml file for deployments.
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Usage
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^^^^^
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.. code-block::
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usage: openstack overcloud roles generate [-h]
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[--roles-path <roles directory>]
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[-o <output file>]
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<role> [<role> ...]
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Generate roles_data.yaml file
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positional arguments:
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<role> List of roles to use to generate the roles_data.yaml
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file for the deployment. NOTE: Ordering is important
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if no role has the "primary" and "controller" tags. If
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no role is tagged then the first role listed will be
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considered the primary role. This usually is the
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controller role.
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optional arguments:
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-h, --help show this help message and exit
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--roles-path <roles directory>
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Filesystem path containing the role yaml files. By
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default this is /usr/share/openstack-tripleo-heat-
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templates/roles
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-o <output file>, --output-file <output file>
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File to capture all output to. For example,
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roles_data.yaml
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Example
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^^^^^^^
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.. code-block::
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[user@host ~]$ openstack overcloud roles generate -o roles_data.yaml Controller Compute BlockStorage ObjectStorage CephStorage
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