Justin Leet created METRON-1921:
-----------------------------------
Summary: Stellar shell strings with dollar signs handled
incorrectly
Key: METRON-1921
URL: https://issues.apache.org/jira/browse/METRON-1921
Project: Metron
Issue Type: Bug
Reporter: Justin Leet
Assignee: Justin Leet
'$' causes issues within strings. Specifically, if a string ends in '$', the
string will be "". If the '$' is in the middle of the string, it will only
return the portion before the '$'.
{code:java}
[Stellar]>>> 'foo$bar'
foo
[Stellar]>>> 'foo$'
{code}
This can be worked around by doing something like "var := SHELL_EDIT()" and
entering "foo$bar" there.
This can cause issues with things like profiles, where $ may be be present in
the entity name.
The unit tests can't hit this as of right now, because the unit tests directly
pass a buffer with the shell string. However, this bypasses processing from
Console (which does some handling of various things).
This can be solved by turning off export for Aesh, which is the easy way to do
it, and worked in manual testing. From the Aesh documentation
{quote}Variables
Æsh provide variable support similar to POSIX shells. The variables can be
managed during runtime with the export command and/or from a file during
startup.
{quote}
This appears to be handled by '$', but it also causes problems when you try to
escape it. It might be possible to fix this problem to allow users to use these
variables instead of just disabling it.
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