Merge "Update ceph-dashboard spec"
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@ -40,18 +40,19 @@ The upstream documentation of Ceph mentions Dashboard is supported,
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(https://docs.ceph.com/en/latest/mgr/dashboard/). The new feature would be
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supported on Ceph Octopus, OpenStack Victoria (and later) on Ubuntu 20.04 LTS.
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Out of Scope
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------------
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The following items should be covered in any future work:
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- integration with current LMA stack solution
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- SAML integration
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- RadosGW integration
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- Auditing
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- iSCSI Management
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- verify compatibility with previous releases, OpenStack Mimic+ (Stein)
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- VIP and hacluster relation
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The subordinate charm will enable access to the dashboard via the hostnames of
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the mon units. However, the hostname may not map to the desired network space,
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the operator may not be able to resolve the juju unit hostnames and the failure
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of a single mon unit may make the dashboard inaccessable if the operator was
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accessing the dashboard via that mon. To resolve these issues
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the dashboard charm will support a relation to an OpenStack loadbalancer
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application (as yet unwritten) which will manage an haproxy instance and a
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vip via the hacluster subordinate. If this relation is present the dashboard
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standby units will be configured to return a 500 enabling haproxy to determine
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the active dashboard unit. Both the loadbalancer and the dashboard charm
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will support SSL endpoint termination via a relation to vault or via
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configuration options. The delivery of the dashboard subordinate should be the
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initial focus of this work with the loadbalacer following soon after.
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Alternatives
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------------
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@ -59,6 +60,41 @@ Alternatives
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Grafana offers some visualization possibilities, but it is limited to view
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only experience.
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Out of Scope
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------------
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.. list-table:: Features
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:widths: 25 25
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:header-rows: 1
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* - Feature
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- In Scope
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* - Multi-User and Role Management
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- ✓
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* - Single Sign-On (SSO)
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- X
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* - SSL/TLS support
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- ✓
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* - Auditing
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- ✓
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* - Embedded Grafana Dashboards
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- ✓
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* - Monitoring (Prometheus & Alertmanager)
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- X
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* - iSCSI
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- X
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* - RBD
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- ✓
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* - RBD mirroring
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- X
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* - CephFS
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- X
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* - Object Gateway
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- ✓
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* - NFS
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- X
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Implementation
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==============
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@ -66,7 +102,7 @@ Assignee(s)
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-----------
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Primary assignee:
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Gabor Meszaros <gabor.meszaros@canonical.com>
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Liam Young <liam.young@canonical.com>
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Gerrit Topic
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------------
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@ -80,7 +116,7 @@ Use Gerrit topic "ceph-dashboard" for all patches related to this spec.
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Work Items
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----------
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* Implement a new reactive subordinate charm, ceph-dashboard
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* Implement a new operator framework subordinate charm, ceph-dashboard
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* Add a charm option for toggling ceph mgr dashboard
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@ -96,21 +132,28 @@ Work Items
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test should include deploying ceph-mon with ceph-dashboard added, without
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user management actions)
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* Create generic service loadbalancer charm.
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* Add a relation to a loadbalancer service which will provide a HA vip
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for accessing the dashboard.
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Timeline
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--------
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The goal is to implement this change in the OpenStack Charms 21.04 release.
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The freeze date for this release is 15th Mar 2021, for a release on 9th
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Apr (see release schedule). This change should be proposed for merging at
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least two weeks ahead of freeze, so ideally submitted by 26th Feb 2021.
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The goal is to implement this change in the OpenStack Charms 21.10 release.
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Repositories
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------------
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Changes will be pushed to a new ceph-dashboard charm repository:
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During initial development the code will be managed here:
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https://github.com/openstack-charmers/charm-ceph-dashboard
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When ready the charm will be managed via OpenDev gerrit.
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https://opendev.org/openstack/charm-ceph-dashboard
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https://git.openstack.org/openstack/charm-ceph-dashboard
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Documentation
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