To anyone who needs a quick fix immediately (can't wait for an upgrade, or can't upgrade), the following will fix it:
juju run -a nrpe -- sed -i 's/services.manager.reconfigure_services("nrpe-config")/services.get_manager().reconfigure_services("nrpe-config")/' actions/ack-reboot*
To anyone who needs a quick fix immediately (can't wait for an upgrade, or can't upgrade), the following will fix it:
juju run -a nrpe -- sed -i 's/services. manager. reconfigure_ services( "nrpe-config" )/services. get_manager( ).reconfigure_ services( "nrpe-config" )/' actions/ack-reboot*