NetMap

Demo

select 1 Country, filter Location NE Asia

select 2 City, filter Location EQ Europe

Description

This is REPL for interacting with netmap in NEOFS and applying placement rules to it. Netmap and CRUSH enchacement with FILTERs is described in research plan.

Commands

To see help for specific command type command help.

help

help

Get a list of commands.

exit

exit

Exit program.

load

load <filename>

Load netmap from specified file.

save

save <filename>

Save netmap to specified file.

clear

clear

Clear current netmap.

select

select <number> <key>

Example:

>>> add 1 /Location:Europe/Country:Germany
>>> add 2 /Location:Europe/Country:Austria
>>> add 3 /Location:Asia/Country:Korea
>>> add 4 /Location:Asia/Country:Japan
>>> select 1 Location
>>> select 2 Country

filter

filter <key> <operation> <value>

Operation can be one of EQ, NE, LT, LE, GT, GE

Example:

>>> add 1 /Location:Europe/Country:Germany
>>> add 2 /Location:Europe/Country:Austria
>>> filter Country NE Austria

get-selection

get-selection

Get nodes from current selection.

Example:

>>> load /examples/map2
>>> select 1 Country
>>> filter Location NE Asia
>>> get-selection
[13 14]

clear-selection

clear-selection

Clear current selection.

dump-selection

dump-selection <filename>

Dump netmap in graphical format. If using docker, /pics directory is mounted as temp on host.