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Type:
Story
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Status: Open
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Priority:
(None)
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Resolution: Unresolved
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Affects Version/s: None
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Fix Version/s: None
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Component/s: cf-agent, Promise type: files
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Labels:None
Currently, files promises can move_obstructions out of the way if the wrong file type is encountered (expecting plain file vs directory or vice versa). When enabled obstructions are moved out of the way and suffixed with .cf-moved. It would be nice if it were possible to simply discard obstructions.
Discarding moved obstructions requires a separate files promise
mkdir -p /tmp/mail/ rm -rf /tmp/mail/* touch /tmp/mail/mbox1 /tmp/mail/mbox2 /tmp/mail/mbox3 ls /tmp/mail
mbox1 mbox2 mbox3
Here we promise to delete any .cf-moved suffixed files just after we promised the presence of directories and moving obstructions.
bundle agent example
{
vars:
"files_or_dirs"
slist => findfiles( "/tmp/mail/*" );
reports:
"$(files_or_dirs)";
files:
# What's wrong with this?
"$(files_or_dirs)/"
create => "true",
move_obstructions => "true";
"$(files_or_dirs).cf-moved"
comment => "Discard obstructions that were moved out of the way",
delete => tidy;
}
bundle agent __main__
{
methods: "example";
}
info: Moving obstructing file/link /tmp/mail/mbox1 to /tmp/mail/mbox1.cf-moved to make directory
error: Error creating file '/tmp/mail/mbox1/', mode '0600'. (open: 'File exists'). Most likely a dangling symlink is in the way. Refusing to create the target file of dangling symlink (security risk).
info: Moving obstructing file/link /tmp/mail/mbox2 to /tmp/mail/mbox2.cf-moved to make directory
error: Error creating file '/tmp/mail/mbox2/', mode '0600'. (open: 'File exists'). Most likely a dangling symlink is in the way. Refusing to create the target file of dangling symlink (security risk).
info: Moving obstructing file/link /tmp/mail/mbox3 to /tmp/mail/mbox3.cf-moved to make directory
error: Error creating file '/tmp/mail/mbox3/', mode '0600'. (open: 'File exists'). Most likely a dangling symlink is in the way. Refusing to create the target file of dangling symlink (security risk).
info: Deleted file '/tmp/mail/mbox1.cf-moved'
info: Deleted file '/tmp/mail/mbox2.cf-moved'
info: Deleted file '/tmp/mail/mbox3.cf-moved'
R: /tmp/mail/mbox1
R: /tmp/mail/mbox2
R: /tmp/mail/mbox3
error: Method 'example' failed in some repairs
find /tmp/mail -type f
find /tmp/mail -type d
/tmp/mail /tmp/mail/mbox1 /tmp/mail/mbox2 /tmp/mail/mbox3
In order to discard the moved obstructions, a separate files promise must be made.
- relates to
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CFE-3062
The location where moved obstructions are stored should be configurable
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- Open
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