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https://issues.apache.org/jira/browse/MESOS-3372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14732385#comment-14732385
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Chad Heuschober commented on MESOS-3372:
----------------------------------------
When last I checked, even though those attributes are part of TaskInfo, I
cannot inject them wherever I need them in the task. For example, if I need to
use a slave attribute as a whole or part of a docker environment variable:
{code}
...
{
"id": "my_container",
"mem": 256,
"env": {
"RACK_ID": "$MESOS_AGENT_ATTRS_RACK_ID",
"CPU_TYPE": "$MESOS_AGENT_ATTRS_CPU"
},
"container": {
"type": "DOCKER",
"docker": {
"image": "my/container"
}
},
}
...
{code}
> Allow mesos agent attributes to be tokenized in taskInfo
> --------------------------------------------------------
>
> Key: MESOS-3372
> URL: https://issues.apache.org/jira/browse/MESOS-3372
> Project: Mesos
> Issue Type: Improvement
> Reporter: Chad Heuschober
>
> Some applications workloads would benefit from having access to the
> statically defined slave attributes. By processing `taskInfo` on the slave
> such tokens, as defined in `taskInfo` could be replaced with the appropriate
> values to achieve such objectives as rack locality.
> Example:
> Before token replacement:
> {code}
> {
> "discovery": {
> "environment": "[email protected]_ID@"
> }
> }
> {code}
> After token replacement:
> {code}
> {
> "discovery": {
> "environment": "RACK_DC131R57"
> }
> }
> {code}
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