Virtual Machine High Availability (VMHA) service for OpenStack

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  • License: Apache Software License
  • Author: OpenStack
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Project description

Virtual Machine High Availability (VMHA) service for OpenStack

Masakari provides Virtual Machine High Availability (VMHA) service for OpenStack clouds by automatically recovering the KVM-based Virtual Machine(VM)s from failure events such as VM process down, provisioning process down, and nova-compute host failure. It also provides API service for manage and control the automated rescue mechanism.

NOTE: Use masakari only if instance path is configured on shared storage system i.e, ‘instances_path’ config option of nova has a path of shared directory otherwise instance data will be lost after the evacuation of instance from failed host if, * instance is booted from image * flavor using ephemeral disks is used

Original version of Masakari: https://github.com/ntt-sic/masakari

Tokyo Summit Session: https://www.youtube.com/watch?v=BmjNKceW_9A

Masakari is distributed under the terms of the Apache License, Version 2.0. The full terms and conditions of this license are detailed in the LICENSE file.

Configure masakari-api

1. Create masakari user: $ openstack user create –password-prompt masakari (give password as masakari)

2. Add admin role to masakari user: $ openstack role add –project service –user masakari admin

3. Create new service: $ openstack service create –name masakari –description “masakari high availability” masakari

4. Create endpoint for masakari service: $ openstack endpoint create –region RegionOne masakari –publicurl http://<ip-address>:<port>/v1/%(tenant_id)s –adminurl http://<ip-address>:<port>/v1/%(tenant_id)s –internalurl http://<ip-address>:<port>/v1/%(tenant_id)s

5. Clone masakari using $ git clone https://github.com/openstack/masakari.git

6. Run setup.py from masakari $ sudo python setup.py install

  1. Create masakari directory in /etc/

  2. Copy masakari.conf, api-paste.ini and policy.json file from masakari/etc/ to /etc/masakari folder

9. To run masakari-api simply use following binary: $ masakari-api

Configure masakari database

  1. Create ‘masakari’ database

  2. After running setup.py for masakari ‘$ sudo python setup.py install’

    run ‘masakari-manage’ command to sync the database $ masakari-manage db sync

Features

  • TODO

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