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https://issues.apache.org/jira/browse/MESOS-2259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14298358#comment-14298358
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Kapil Arya commented on MESOS-2259:
-----------------------------------
Labels provide a way for a framework or hooks to embed extra information
(relevant to a given task) in the TaskInfo message. This information may be
used by the slave, executor, and/or by the slave hooks (e.g.,
environment-decorator hook).
In some situations, a hook module might use master hooks (e.g.,
label-decorator) add hook-specific labels to the TaskInfo message. If the
additional data is sensitive, the module might wish to not expose it to
"external" agents such as the web-ui ("internal" agents such as executor are
ok).
thus, while labels provide a way for the framework writer or the hook writer to
"expose" (or "add", if one prefers) additional information via the TaskInfo
message, at the same time a `hidden` field will allow this additional
information to be visible only to the relevant parties.
> Mark some Task labels as "hidden"
> ---------------------------------
>
> Key: MESOS-2259
> URL: https://issues.apache.org/jira/browse/MESOS-2259
> Project: Mesos
> Issue Type: Bug
> Reporter: Kapil Arya
> Labels: mesosphere
>
> Task labels are used by label-decorator hooks to insert hook-specific labels.
> Some hook implementation might not want to expose their label for security
> reasons.
> We should allow certain labels to be marked as "hidden", such that they are
> invisible from the "web ui" to start with.
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