8cae2def75
These was deprecated last cycle and can now be removed. Depends-On: https://review.opendev.org/#/c/658557/ Change-Id: I6f7fde1f475acec82bafc66183211f317b4c7795
103 lines
4.0 KiB
Puppet
103 lines
4.0 KiB
Puppet
# == Class: nova::deps
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#
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# Nova anchors and dependency management
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#
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class nova::deps {
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# Setup anchors for install, config and service phases of the module. These
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# anchors allow external modules to hook the begin and end of any of these
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# phases. Package or service management can also be replaced by ensuring the
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# package is absent or turning off service management and having the
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# replacement depend on the appropriate anchors. When applicable, end tags
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# should be notified so that subscribers can determine if installation,
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# config or service state changed and act on that if needed.
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anchor { 'nova::install::begin': }
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-> Package<| tag == 'nova-package'|>
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~> anchor { 'nova::install::end': }
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-> anchor { 'nova::config::begin': }
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-> Nova_config<||>
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~> anchor { 'nova::config::end': }
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-> anchor { 'nova::db::begin': }
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-> anchor { 'nova::db::end': }
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~> anchor { 'nova::service::begin': }
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~> Service<| tag == 'nova-service' |>
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~> anchor { 'nova::service::end': }
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# paste-api.ini config should occur in the config block also.
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Anchor['nova::config::begin']
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-> Nova_paste_api_ini<||>
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~> Anchor['nova::config::end']
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# Support packages need to be installed in the install phase, but we don't
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# put them in the chain above because we don't want any false dependencies
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# between packages with the nova-package tag and the nova-support-package
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# tag. Note: the package resources here will have a 'before' relationship on
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# the nova::install::end anchor. The line between nova-support-package and
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# nova-package should be whether or not Nova services would need to be
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# restarted if the package state was changed.
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Anchor['nova::install::begin']
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-> Package<| tag == 'nova-support-package'|>
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-> Anchor['nova::install::end']
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# The following resources are managed by calling 'nova manage' and so the
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# database must be provisioned before they can be applied.
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Anchor['nova::dbsync_api::end']
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-> Nova_floating<||>
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Anchor['nova::dbsync::end']
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-> Nova_floating<||>
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# all cache settings should be applied and all packages should be installed
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# before service startup
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Oslo::Cache<||> -> Anchor['nova::service::begin']
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# all db settings should be applied and all packages should be installed
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# before dbsync starts
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Oslo::Db<||> -> Anchor['nova::dbsync::begin']
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# Installation or config changes will always restart services.
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Anchor['nova::install::end'] ~> Anchor['nova::service::begin']
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Anchor['nova::config::end'] ~> Anchor['nova::service::begin']
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#############################################################################
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# NOTE(aschultz): these are defined here because this syntax allows us
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# to override the subscribe/notify order using the spaceship operator.
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# The ->/~> does not seem to be able to be updated after the fact. Since
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# we have to flip cell v2 ordering for the N->O upgrade process, we need
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# to not use the chaining arrows. ugh.
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#############################################################################
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# Wedge this in after the db creation and before the services
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anchor { 'nova::dbsync_api::begin':
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subscribe => Anchor['nova::db::end']
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}
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-> anchor { 'nova::dbsync_api::end':
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notify => Anchor['nova::service::begin'],
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}
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# Wedge this after db creation and api sync but before the services
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anchor { 'nova::dbsync::begin':
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subscribe => [
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Anchor['nova::db::end'],
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Anchor['nova::dbsync_api::end']
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]
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}
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-> anchor { 'nova::dbsync::end':
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notify => Anchor['nova::service::begin']
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}
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# Between api sync and db sync by default but can be overridden
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# using the spaceship operator to move it around when needed
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anchor { 'nova::cell_v2::begin':
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subscribe => Anchor['nova::dbsync_api::end']
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}
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~> anchor { 'nova::cell_v2::end':
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notify => Anchor['nova::dbsync::begin']
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}
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# Wedge online data migrations after db/api_sync and before service
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anchor { 'nova::db_online_data_migrations::begin':
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subscribe => Anchor['nova::dbsync_api::end']
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}
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-> anchor { 'nova::db_online_data_migrations::end':
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notify => Anchor['nova::service::begin']
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}
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}
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