James Turton created DRILL-8359:
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Summary: Add mount and unmount command support to the filesystem
plugin
Key: DRILL-8359
URL: https://issues.apache.org/jira/browse/DRILL-8359
Project: Apache Drill
Issue Type: Improvement
Components: Storage - File
Affects Versions: 1.20.2
Reporter: James Turton
Assignee: James Turton
Fix For: 2.0.0
This Jira proposes optional mount and unmount commands in the filesystem plugin
with the goal of enabling the dynamic definition of filesystem mounts in the
storage configuration. It is mainly anticpiated that network and cloud
filesystems that have FUSE drivers will be used in this way but local device
mounts and image/loop device mounts (ISO, IMG, squashfs, etc.) might also be of
interest.
The provided commands are executed in their own processes by the host OS and
run under the OS user that is running the Drill JVM. The mount command will be
executed when an enabled plugin is initialised (something that is done lazily)
and whenever it transitions from disabled to enabled. The provided unmount
command will be executed whenever a plugin transitions from enabled to disabled
and when the Drillbit shuts down while the plugin has been initialised and is
enabled.
Example. TODO
{code:java}
{
"type": "file",
"connection": "file:///",
"mountCommand": "touch /tmp/foo.drill",
"unmountCommand": "rm /tmp/foo.drill",
"workspaces": { ...
{code}
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