Add tt [cluster] replicaset promote/demote reference #4194
Conversation
p7nov
changed the title
p7nov
changed the title
|
|
||
| .. include:: _includes/cartridge_deprecation_note.rst | ||
|
|
||
| ``tt replicaset promote`` promotes instances in Cartridge clusters the following way: |
There was a problem hiding this comment.
| ``tt replicaset promote`` promotes instances in Cartridge clusters the following way: | |
| ``tt replicaset promote`` promotes instances in Cartridge clusters in the following way: |
| They all apply to both etcd and Tarantool-based storages. The following list | ||
| shows these ways ordered by precedence, from highest to lowest: | ||
|
|
||
| #. Credentials specified in the storage URI: ``https://username:password@host:port/prefix``: |
There was a problem hiding this comment.
I'd use an unordered list here
| In this case, the command selects the key for patching automatically. A key's priority | ||
| is determined by the detail level of the instance or replicaset configuration stored | ||
| under this key. For example, when failover is ``off``, a key with | ||
| ``instance.database`` options takes precedence over a key with the only ``instance`` field. |
There was a problem hiding this comment.
instance.databaseoptions takes
option or take?
There was a problem hiding this comment.
subject (a key with "database" options) takes precedence ...
| In the ``election`` failover mode, ``tt replicaset promote`` initiates the new leader | ||
| election by calling :ref:`box_ctl-promote` on the specified instance. The |
There was a problem hiding this comment.
I'd added a third list item to the list above to make this info more visible. In this case, a reader gets all the required "concepts" in one place.
There was a problem hiding this comment.
I've separated it because of conceptually different action: in this case, the command doesn't write the cluster config (unlike with failover off or manual). Also, the tt environment doesn't matter in this case (the paragraph above).
| $ tt cluster show myapp | ||
|
|
||
| .. _tt-cluster-centralized: | ||
| .. _tt-cluster-publish-centralized: | ||
|
|
||
| Managing configurations in centralized storages |
There was a problem hiding this comment.
Managing configurations in centralized storages
Publishing ?
Co-authored-by: Andrey Aksenov <[email protected]>
Resolves #4088 #4109 #4121
promoteanddemotecommandstt cluster replicaset,promoteanddemotesubsectionsDeployment: https://docs.d.tarantool.io/en/doc/gh-4088-tt-replicaset-promote/reference/tooling/tt_cli/replicaset/#tt-replicaset-promote