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Monitoring and Analyzing Your OpenStack Cloud

May 2019. Monitoring and Analyzing Your OpenStack Cloud. Ifat Afek, Nokia Martin Chacon Piza, Fujitsu EST GmbH. Hands-on !. Get available IP <link to list of devstack IPs>. Instructions etherpad https://etherpad.openstack.org/p/ monasca-vitrage-lab. Agenda.

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Monitoring and Analyzing Your OpenStack Cloud

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  1. May 2019 Monitoring and Analyzing Your OpenStack Cloud Ifat Afek, Nokia Martin Chacon Piza, Fujitsu EST GmbH

  2. Hands-on ! Get available IP <link to list of devstack IPs> Instructions etherpad https://etherpad.openstack.org/p/monasca-vitrage-lab

  3. Agenda • Introduction: Monitoring & Analyzing in OpenStack • Monasca • Vitrage

  4. Monitoring and Analyzing in OpenStack System Metrics Monasca Monitoring libvirt Docker Kubernetes Vitrage Root Cause Analysis Ceph, etc. Nova Cinder K8s Heat Neutron

  5. Monitoring and Analyzing in OpenStack • Basic implementation: in progress, will be ready in Train • https://review.opendev.org/#/c/622899/ • Full configuration support • Design in progress • https://review.opendev.org/#/c/627180/ • You are welcome to share your thoughts! • To be discussed in self-healing-sig PTG

  6. Monasca

  7. What is Monasca? • Monitoring-as-a-Service solution based on a REST API • Multi-tenancy based on Keystone authentication. • Highly-performant, scalable, fault-tolerant and capable of big data retention • Metrics storage/retrieval/statistics and alarm/thresholding engine • Notification system • Real-time event stream processing • Consolidates multiple monitoring systems into a single solution • Extensible based on micro-services message bus architecture

  8. High Level Architecture

  9. Monasca UI

  10. Monasca Hands-on

  11. Vitrage

  12. What is Vitrage? The OpenStack Root Cause Analysis service,  used for organizing, analyzing and expanding OpenStack alarms & events. Holistic and complete view of the system Root Cause Analysis Identify affected resources

  13. High Level Architecture

  14. Vitrage UI

  15. Vitrage UI

  16. Vitrage CLI Topology Alarms Management topology show topology show alarm list / count / show alarm list, count, show, history template list / add template list / add resource list / count / show resource list / count / show rca show rca show webhook list / add event post service list

  17. Vitrage Hands-On

  18. Vitrage Templates • Human-readable yaml files • Condition -> Actions scenarios Notify Nova Call nova service-force-down alarm [ on] host Deduced Alarm Raise alarm on another resource Then alarm [ on ] host AND host [ contains ] instance Deduced State Modify the state of the resource Execute a Mistral Workflow host_alarm [ on ] host AND host [ contains ] instance AND Instance_alarm [ on ] instance Mark Causal Relationship

  19. Vitrage Templates • Version 3: shorter and much more simple metadata: ... entities:         - entity: ...         - entity: ... scenarios:     scenario:         condition: <if statement true do the action>          actions:             - action: ...

  20. Vitrage Templates - Example metadata: version: 3 type: standard name: cpu problem description: Monasca high CPU load alarm affects instances entities: host_alarm: type: monasca name: high_cpu_load instance: type: nova.instance host: type: nova.host scenarios: - condition: host_alarm [on] host AND host [contains] instance actions: - set_state: state: SUBOPTIMAL target: host - set_state: state: SUBOPTIMAL target: instance - raise_alarm: target: instance alarm_name: CPU performance degradation severity: WARNING causing_alarm: host_alarm

  21. Vitrage Hands-On

  22. Come Join Us! Discussion on self-healing SIG PTG - Thursday afternoon Vitrage Vitrage wiki page: https://wiki.openstack.org/wiki/Vitrage Email openstack-discuss@lists.openstack.org with [vitrage] tag IRC channel: #openstack-vitrage Monasca Monasca wiki page:https://wiki.openstack.org/wiki/Monasca Email: openstack-discuss@lists.openstack.org with [monasca] tag IRC channel: #openstack-monasca Meetings are held on #openstack-monasca: at UTC 15:00 on Wednesdays and at UTC 7:00 on Thursdays

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