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It would be beneficial, at least for "static config -> pcs commands"
translation to be able to set arbitrary value in corosync.conf.

Best if implemented in a clever way that would use the knowledge
which sections/options can be sensibly repeated (like uidgid section)
and conversely, which should be treated as singleton values
(vast majority;  in reality, IIRC, when specified more than once,
the last instance wins).

Implementation-wise, this would also simplify changes like [1]
by translating, e.g.,

  --token_coefficient 5

to

  --corosync-set totem.token_coefficient=5

prior to handling.


BTW. the metadata for describing the option meaning could be extracted
from "corosync-schema" change I proposed back then:

  https://github.com/jfriesse/corosync/tree/topic-relax-conf-gen

and I even use the schema in clufter right now(!):

  https://github.com/jnpkrn/clufter/blob/v0.3.0/formats/corosync/corosync.rng



[1] https://github.com/feist/pcs/pull/44/files

Allowing something similar for CMAN-backed Pacemaker cluster is also
an option but not needed for clufter purposes.

Which settings are possible to be changed in runtime:
https://github.com/corosync/corosync/wiki/Config-file-values

Tomas,

It would be great to add nodefile.node.x.name to this list.

Note that some precautions should be taken, such as when logging to
file gets configured: [bug 1615420 comment 2].

This is on top of possible schema-based validation ([comment 0]).

Considering the current RHEL 7 life cycle stage, there will be no fix for RHEL 7.
In RHEL 8 this has been or will be fixed shortly by: bz1667061 bz1667058

*** This bug has been marked as a duplicate of bug 1667061 ***