7bebdefda8
Podman service will be in charge of installing, configuring, upgrading and updating podman in TripleO. For now, the service is disabled by default but included in all roles. In the cycle, we'll make it the default. Note: when Podman will be able to run in TripleO without Docker, we'll do like https://review.openstack.org/#/c/586679/ and make it as a generic service that can be switched to either podman or docker. But for now, we need podman & docker working side by side. Depends-On: Ie9f5d3b6380caa6824ca940ca48ed0fcf6308608 Change-Id: If9e311df2fc7b808982ee54224cc0ea27e21c830
226 lines
7.9 KiB
ReStructuredText
226 lines
7.9 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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* disable_constraints: (boolean) optional, whether to disable Nova and Glance
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constraints for each role specified in the templates.
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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 have 'primary' and 'controller', the
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first role in this file is used as the primary role.
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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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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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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::Docker
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* OS::TripleO::Services::Fluentd
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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::OpenDaylightOvs
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* OS::TripleO::Services::Podman
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* OS::TripleO::Services::Securetty
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* OS::TripleO::Services::SensuClient
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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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