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Proposal to use GOC-DB as the only source of topology information for ARGO Alessandro Paolini www.egi.eu This work by EGI.eu is licensed under a Creative Commons Attribution 4.0 International License. The ARGO framework The ARGO framework

  1. Proposal to use GOC-DB as the only source of topology information for ARGO Alessandro Paolini www.egi.eu This work by EGI.eu is licensed under a Creative Commons Attribution 4.0 International License.

  2. The ARGO framework The ARGO framework is responsible for: • – monitoring all EGI production services – computing the availability and reliability of the monitored services Services are monitored by Nagios probes provided by service • product teams Two sources of topology information • – GOCDB: NGIs, sites, services, contacts, operators roles – BDII: service endpoint URLs, service attributes Certification infrastructure (BDII+WMS) decommissioned few • weeks ago – No more way to monitor the “uncertified” sites during the certification procedure (new or previously suspended sites) Proposed solution by ARGO: store into GOC-DB also some of • the BDII information needed by the probes to work properly 2

  3. The proposal by ARGO • Proposal: GOC-DB as the only source of topology information • Store in GOC-DB the service endpoint URLs for all the sites – Already in use for FedCloud services • Main advantages with a single topology source : – It makes easier tracking an issue – Uncertified and certified sites (resources) can be monitored by ARGO – Better control by site-admins on what is being monitored – Easier development of new probes because the topology information would be available on GOC-DB 3

  4. What to do… • Sites add a service endpoint URL for each service for monitoring purposes: – No limit on the number of endpoints per service • The monitored service endpoints will be properly flagged: – It is required on GOC- DB a new “Monitored: Yes/No” attribute • Service URLs to add: – CREAM-CE: GlueCEUniqueID from BDII (e.g. cream.egi.eu:8443/cream-pbs-ops) – SRM: GlueServiceEndpoint from BDII (e.g. httpg://se.egi.eu:8444/srm/managerv2) – Other services: GlueServiceEndpoint from BDII 4

  5. What to do… (II) • In case a probe required additional information, the extension properties will be used – Key / value pair – Currently not required • Adding information manually is preferred – From past experience, doing it automatically would cause more issues 5

  6. The plan • Not yet approved, timescale not yet defined • Proposal presented in the September OMB • In the October OMB we will discuss the feedback from NGIs&sites about the proposal – It requires effort by site-manager, currently the information is provided automatically by the BDII • Some development in GOC-DB and ARGO needed • Start with the uncertified sites, then all the others • Interim period: consuming both BDII and GOC-DB – If no issues, only GOC-DB will be kept as topology source 6

  7. Thank you for your attention. Questions? www.egi.eu This work by EGI.eu is licensed under a Creative Commons Attribution 4.0 International License.

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