[jboss-jira] [JBoss JIRA] (JGRP-1734) Probe: restrict requests to certain clusters and/or nodes

[Bela Ban (JIRA)]

Bela Ban created JGRP-1734:
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             Summary: Probe: restrict requests to certain clusters and/or nodes
                 Key: JGRP-1734
                 URL: https://issues.jboss.org/browse/JGRP-1734
             Project: JGroups
          Issue Type: Feature Request
            Reporter: Bela Ban
            Assignee: Bela Ban
            Priority: Optional
             Fix For: 3.5


Probe.sh broadcasts requests to all reachable nodes in any cluster. The only way to restrict the reach of a probe request is to pass a time-to-live to it, but that's (a) too coarse-grained and (b) doesn't work for TCP.
We should therefore be able to define a list of clusters and a list of nodes to which we want to restrict the request. Both clusters and nodes should be simple regexps. 
The filter is sent with the probe request. Nodes which don't pass the filter simply discard the request.

Example:
{{probe.sh -cluster DrawCluster,cluster-*}}: this restricts the request to the {{DrawCluster}} and any cluster starting with {{cluster-}}.

{{probe.sh -nodes cluster-*}}: sends the request only to nodes with a name starting with {{cluster}}.

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