This change enhances the processes resource to support the busybox
ps command which is common on Alpine, for example. The way we
map ps fields to the structs needed by FilterTable have also been
refactored to be more flexible so we can support multiple formats
in the future.
Also, the processes resource now allows the grep argument to be optional
thus allowing a user to query all resources without passing in a
match-all regex.
Signed-off-by: Adam Leff <adam@leff.co>
* Modify linux regular expression to handle process names with spaces
Signed-off-by: Chad Scott <cscott@chadikins.com>
* Add mocks, tests, etc.
Signed-off-by: Chad Scott <cscott@chadikins.com>
processes('bash').user does not actually make much sense for a resource
that is a list -- different entries can belong to different users.
Analogous for processes('bash').state.
The attributes 'users' and 'states' expose the unique values
corresponding to that property of entries in the process list.
Fixes#295.
