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https://issues.apache.org/jira/browse/MESOS-5384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15461069#comment-15461069
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Kris Paprocki commented on MESOS-5384:
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Actually, documentation/code says:
"To use JSON, pass a JSON-formatted string or use --resources=filepath to
specify the resources via a file containing a JSON-formatted string. 'filepath'
can be of the form file:///path/to/file or /path/to/file."
Is the /path/to/file generally allowed/deprecated/not-supported?
Additionally, in the code we give "deprecated" warning when the path is
specified without 'file://', however only when parsing JSON::Array and
JSON::Object (see 3rdparty/stout/include/stout/flags/parse.hpp).
Wouldn't it make sense to make this as a generic rule when reading from
/path/to/file?
Also, if we set a generic rule, I propose to move reading the content of the
/path/to/file from 3rdparty/stout/include/stout/flags/parse.hpp to
3rdparty/stout/include/stout/flags/fetch.hpp. It was a little bit surprising to
find another reading hidden in parse.hpp file.
> Improve error message for missing resources file
> ------------------------------------------------
>
> Key: MESOS-5384
> URL: https://issues.apache.org/jira/browse/MESOS-5384
> Project: Mesos
> Issue Type: Bug
> Components: general
> Affects Versions: 0.28.1
> Environment: Centos 7
> Reporter: John Yost
> Assignee: Kris Paprocki
> Priority: Minor
> Labels: easyfix, newbie
>
> Attempting to specify resources file via
> --resources=/etc/mesos-slave/small-slave-config.json threw the following
> error:
> Failed to determine slave resources: Bad value for resources, missing or
> extra ':' in /etc/mesos-slave/small-slave-config.json
> I confirmed I had valid JSON:
> [
> {
> "name": "cpus",
> "type": "SCALAR",
> "scalar": {
> "value": 0.5
> }
> },
> {
> "name": "mem",
> "type": "SCALAR",
> "scalar": {
> "value": 512
> }
> }
> ]
> In actuality, I misread to docs with my file pattern. Once I changed to
> resources=file:///etc/mesos-slave/small-slave-config.json the mesos slave
> started up fine. Just need a missing file check and corresponding error
> message to fix this.
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