Monitoring virtual machines and containers with VacMon

Abstract

At the start of 2017, GridPP deployed VacMon, a new monitoring system suitable for recording and visualising the usage of virtual machines and containers at multiple sites. The system uses short JSON messages transmitted by logical machine lifecycle managers such as Vac and Vcycle. These are directed to a VacMon logging service which records the messages in an Elasticsearch database. The records can be viewed graphically using the VacMon web portal, with selections based on time ranges, virtual organisations, sites, subclusters within sites, or individual hypervisors.

Next generation Linux Applications Gateway for CERN accelerator control systems

“…During installation and configuration, several issues were found, mainly coming from the way Starnet packaged and installed its software: rather than providing a repository we could install and use, they heavily relied on REMI repository [8] which caused dependencies issues with our systems and internal repositories. We had to adapt their installation scripts to match our available packages.…”

“…This is a balanced set of features designed to offer a simple method for creating sessions while also reducing the need for support calls outside of working hours. An Ansible [8] (configuration management tool used in ATS sector) role has been created to configure the different parts of the cluster as mentioned in Section 3 of this document.…”