Add team priorities for Rocky
Change-Id: I7af96192bddcf0d6a80e7129fc2affc90ce3336b
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Alexander Chadin
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@ -6,7 +6,183 @@ Rocky Project Priorities
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List of priorities the Watcher drivers team is prioritizing in Rocky.
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+--------------------------------------+----------------------+
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| Priority | Owner |
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+======================================+======================+
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+--------------------------------------+----------------------+
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+-------------------------------------------------+-----------------------+
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| Priority | Owner |
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+=================================================+=======================+
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| `Watcher API validation using JSON`_ | `Aditi Sharma`_ |
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+-------------------------------------------------+-----------------------+
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| `Migrate to Zuulv3`_ | `Alexander Chadin`_ |
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+-------------------------------------------------+-----------------------+
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| `Compute CDM include all instances`_ | `suzhengwei`_ |
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+-------------------------------------------------+-----------------------+
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| `Watcher Planner Selector`_ | `Alexander Chadin`_ |
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+-------------------------------------------------+-----------------------+
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| `Watcher Strategy Selector`_ | `Aditi Sharma`_ |
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+-------------------------------------------------+-----------------------+
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| `Exclude project by audit scope`_ | `Aditi Sharma`_ |
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+-------------------------------------------------+-----------------------+
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| `Define grammar for workload characterization`_ | `Alexander Chadin`_ |
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+-------------------------------------------------+-----------------------+
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| `Replace cold migration to use Nova API`_ | `Hidekazu Nakamura`_ |
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+-------------------------------------------------+-----------------------+
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| `JSONschema to validate efficacy indicators`_ | `Yumeng Bao`_ |
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+-------------------------------------------------+-----------------------+
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| `Support Watcher HA active-active mode`_ | `Li Canwei`_ |
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+-------------------------------------------------+-----------------------+
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| `Ironic notifications for bare metal DM`_ | `Yumeng Bao`_ |
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+-------------------------------------------------+-----------------------+
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| `Cluster maintenance`_ | `suzhengwei`_ |
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+-------------------------------------------------+-----------------------+
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| `Add name for audit in watcher dashboard`_ | `Yumeng Bao`_ |
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+-------------------------------------------------+-----------------------+
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| `Add the start/end time for CONTINUOUS audit`_ | `Li Canwei`_ |
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+-------------------------------------------------+-----------------------+
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| `Audit scoper for baremetal data model`_ | `Yumeng Bao`_ |
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+-------------------------------------------------+-----------------------+
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| `Enhance watcher Applier engine`_ | `Li Canwei`_ |
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+-------------------------------------------------+-----------------------+
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.. _Hidekazu Nakamura: https://launchpad.net/~nakamura-h
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.. _Alexander Chadin: https://launchpad.net/~joker946
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.. _Li Canwei: https://launchpad.net/~li-canwei2
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.. _Yumeng Bao: https://launchpad.net/~yumeng-bao
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.. _Aditi Sharma: https://launchpad.net/~adi-sky17
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.. _suzhengwei: https://launchpad.net/~sue.sam
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Watcher API validation using JSON
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---------------------------------
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Cureently Watcher uses different methods to validate API, which causes many
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bugs and few operations are possible which should not be allowed like a cloud
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`admin`_ can delete "ongoing" `actionplan`_ and `audit`_. To have more cleaner
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and same approach for all operations we should have a unified way of
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validating the API, which can be done using JSON.
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Migrate to Zuulv3
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-----------------
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For all of the jobs specific to a particular project, teams should move the
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auto-converted legacy- jobs to their own repos and rework them to stop using
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the legacy interfaces. There are two fundamental steps:
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1. Move the jobs to your repo
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2. Rework the jobs to be native v3 jobs
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Compute CDM include all instances
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---------------------------------
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When building compute `CDM`_, we will exclude the instances excluded in the
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scope. It has terrible impact to Watcher.
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* To some strategies, it would get incorrectly workload of the compute nodes,
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because the excluded instances was not calculated in.
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* To server consolidation, it would disable the nodes which has excluded
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instances running.
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Proposal is to include all instances in the scope when build compute CDM.
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But exclude the instances excluded in the scope when migrations or simulate
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migrations.
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Watcher Planner Selector
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------------------------
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This component is responsible for selecting an appropriate `planner`_ for a
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given `strategy`_ depending on several factors (e.g list of `actions`_ used by
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the strategy or user request)
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Watcher Strategy Selector
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-------------------------
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There may be several strategies applying for a given optimization goal.
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Currently , if the admin didn't specify a strategy watcher select the first
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strategy available in the list. If Watcher intends to be used in real
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infrastructure it need a more robust way to select the strategy for a given
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goal. The strategy selector component will enable watcher to automatically
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decide which strategy to use.
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The typical use case for this blueprint is :
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1) The admin selects a goal from the set of available goals.
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2) The strategy selector select the strategy which maximize the strategy
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"objective function" depending on several factors.
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3) Once a strategy has been selected, it triggers the Watcher Optimizer
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(DefaultStrategyContext) with it.
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Exclude project by audit scope
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------------------------------
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As an administrator, I want to exclude instances of a specific project from
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Watcher optimization.
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This bp proposes to add exclude project feature to audit `scope`_.
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We need the following tasks:
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* Add tenant_id to Compute CDM
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* Add exclude project logic in audit scope
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Define grammar for workload characterization
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--------------------------------------------
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As we run several workloads in a cloud, we should be able to characterize
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such workloads as input to watcher for ensuring Application QoS, placements
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and consolidation. An example of workload characterization is a weighted
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combination of CPU, Memory or any other resource attributes like High IOPs,
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Network latency etc.
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Replace cold migration to use Nova API
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--------------------------------------
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As of Now Watcher implements cold migrate in migrate action by not using Nova
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migration API, since Nova migration API for cold migration could not specify
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target host. In Queens cycle, Nova has implemented to specify target host for
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cold migration.
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JSONschema to validate efficacy indicators
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------------------------------------------
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In this blueprint, we will replace voplutuous with JSON-schema to validate
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efficacy indicator. Since in watcher we want to remove voluptuous and use
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JSONSchema as our only JSON validation tool to keep consistency.
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Support Watcher HA active-active mode
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-------------------------------------
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Only one Decision engine can consume notification from nova and we need
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to get DEs synced. It can be solved by invoking method on all DEs hosts.
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Ironic notifications for bare metal DM
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--------------------------------------
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Update the bare metal data model by ironic notifications
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Cluster maintenance
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-------------------
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Sometimes we need to maintain compute nodes, update hardware and software,
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and so on. But we don't want user's application to be interrupted. This issue
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imports one goal and strategy for manually maintaining without user's
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application interruption.
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Add name for audit in watcher dashboard
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---------------------------------------
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It is not easy to tell the audits apart just by uuid for end users. If we add
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a name for an audit, it is more friendly to end users.
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This bp implements adding name for an audit in watcher dashboard.
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Add the start/end time for CONTINUOUS audit
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-------------------------------------------
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Currently we can only set audit execution interval, but we can not set audit
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start and end time. We need to increase the `audit`_ start and end time for
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CONTINUOUS audit.
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Audit scoper for baremetal data model
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-------------------------------------
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Since baremetal data model was added, we need audit scoper for baremetal
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data model as compute data model has.
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Enhance watcher Applier engine
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------------------------------
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Currently watcher's Applier can only run actions one by one or parallel.
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We need to decide whether the next action is executed based on the result of
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the previous action, so we need to enhance the applier.
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.. _admin: https://docs.openstack.org/watcher/pike/glossary.html#administrator
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.. _actionplan: https://docs.openstack.org/watcher/pike/glossary.html#action-plan
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.. _audit: https://docs.openstack.org/watcher/pike/glossary.html#audit
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.. _CDM: https://docs.openstack.org/watcher/pike/glossary.html#cluster-data-model-cdm
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.. _planner: https://docs.openstack.org/watcher/pike/glossary.html#watcher-planner
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.. _strategy: https://docs.openstack.org/watcher/pike/glossary.html#strategy
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.. _actions: https://docs.openstack.org/watcher/pike/glossary.html#action
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.. _scope: https://docs.openstack.org/watcher/latest/glossary.html#audit-scope
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