worker/migrationmaster: Support unit resources
worker/migrationmaster: Support unit resources

mjs/juju,mjs/juju,anastasiamac/juju,marcmolla/juju,alesstimec/juju,mjs/juju,ericsnowcurrently/juju,bac/juju,waigani/juju,anastasiamac/juju,marcmolla/juju,bac/juju,marcmolla/juju,ericsnowcurrently/juju,marcmolla/juju,anastasiamac/juju,ericsnowcurrently/juju,alesstimec/juju,mjs/juju,bac/juju,marcmolla/juju,waigani/juju,mjs/juju,ericsnowcurrently/juju,anastasiamac/juju,mikemccracken/juju,mikemccracken/juju,ericsnowcurrently/juju,alesstimec/juju,bac/juju,waigani/juju,mjs/juju,mikemccracken/juju,waigani/juju,mikemccracken/juju,anastasiamac/juju,alesstimec/juju,alesstimec/juju,bac/juju,mjs/juju,mikemccracken/juju