Updating documentation for overview/details
Sahara communicates with the following services: Heat, Cinder, Neutron and Ceilometer These services are documented in rationale/details section. Change-Id: I0d88397c02742e111b46ab525b489f8b8dbd29c4 Closes-Bug: #1350063 backport: none
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@ -33,13 +33,17 @@ Details
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The Sahara product communicates with the following OpenStack components:
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The Sahara product communicates with the following OpenStack components:
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* Horizon - provides GUI with ability to use all of Sahara’s features;
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* Horizon - provides GUI with ability to use all of Sahara’s features.
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* Keystone - authenticates users and provides security token that is used to work with the OpenStack,
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* Keystone - authenticates users and provides security token that is used to work with the OpenStack,
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hence limiting user abilities in Sahara to his OpenStack privileges;
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hence limiting user abilities in Sahara to his OpenStack privileges.
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* Nova - is used to provision VMs for Hadoop Cluster;
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* Nova - is used to provision VMs for Hadoop Cluster.
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* Glance - Hadoop VM images are stored there, each image containing an installed OS and Hadoop;
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* Heat - Sahara can be configured to use Heat; Heat orchestrates the required services for Hadoop Cluster.
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the pre-installed Hadoop should give us good handicap on node start-up;
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* Glance - Hadoop VM images are stored there, each image containing an installed OS and Hadoop.
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the pre-installed Hadoop should give us good handicap on node start-up.
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* Swift - can be used as a storage for data that will be processed by Hadoop jobs.
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* Swift - can be used as a storage for data that will be processed by Hadoop jobs.
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* Cinder - can be used as a block storage.
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* Neutron - provides the networking service.
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* Ceilometer - used to collect measures of cluster usage for metering and monitoring purposes.
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.. image:: images/openstack-interop.png
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.. image:: images/openstack-interop.png
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:width: 800 px
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:width: 800 px
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