[jira] [Commented] (VCL-1000) Run custom scripts at various stages on the management node

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/VCL-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15625544#comment-15625544 ] 

ASF subversion and git services commented on VCL-1000:
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Commit 1767498 from arkurth@apache.org in branch 'vcl/trunk'
[ https://svn.apache.org/r1767498 ]

VCL-1000
Added to OS.pm:
* create_management_node_reservation_info_json_file
* delete_management_node_reservation_info_json_file
* get_management_node_reservation_info_json_file_path
* post_capture
* run_management_node_stage_scripts

Added call to run_management_node_stage_scripts in OS.pm::pre_capture. It only gets executed if a 'enable_experimental_features' variable is true in the database.

Added call to post_capture at the end of image.pm::process. It calls run_management_node_stage_scripts which also only gets executed if a 'enable_experimental_features' variable is true in the database.

> Run custom scripts at various stages on the management node
> -----------------------------------------------------------
>
>                 Key: VCL-1000
>                 URL: https://issues.apache.org/jira/browse/VCL-1000
>             Project: VCL
>          Issue Type: New Feature
>          Components: vcld (backend)
>            Reporter: Andy Kurth
>            Assignee: Andy Kurth
>
> There are cases where it would be useful to be able to have scripts executed on the management at various stages of reservations.  For example, a script could be executed to configure an external firewall or provision storage when a computer is reserved. Whatever was configured specifically for the reservation could be reverted when the reservation ends by another script.
> We already have this functionality for scripts that get executed on the computer ([VCL-564|https://issues.apache.org/jira/browse/VCL-564]). However, there are situations where you would need to perform actions from the management node.
> The script would need access to information about the reservation. Since it resides and is executed on the management node, the script could call mysql to query the database. This isn't the safest way of handling things.
> Another option could be to create a text file on the management node prior to executing the script(s). The script could parse the text file to extract the information it requires.



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