Merge "Add tacker documentation"
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@ -76,6 +76,7 @@ Services
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osprofiler-guide
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skydive-guide
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vmware-guide
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tacker-guide
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Developer Docs
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==============
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@ -0,0 +1,168 @@
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Tacker in Kolla
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===============
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"Tacker is an OpenStack service for NFV Orchestration with
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a general purpose VNF Manager to deploy and operate
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Virtual Network Functions (VNFs) and Network Services
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on an NFV Platform.
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It is based on ETSI MANO Architectural Framework." [1].
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Overview
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--------
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As of the Pike release, tacker requires the following services
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to be enabled to operate correctly.
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* Core compute stack (nova, neutron, glance, etc)
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* Heat
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* Mistral + Redis
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* Barbican (Required only for multinode)
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Optionally tacker supports the following services and features.
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* Aodh
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* Ceilometer
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* Networking-sfc
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* Opendaylight
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Compatibility
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-------------
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Tacker is supported by the following distros and install_types.
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* Centos, Redhat and Oraclelinux.
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* Source and binary images.
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* Debian and Ubuntu.
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* Only source images.
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Preparation and Deployment
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--------------------------
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By default tacker and required services are disabled in
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the ``group_vars/all.yml`` file.
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In order to enable them, you need to edit the file
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``/etc/kolla/globals.yml`` and set the following variables:
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.. note::
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Heat is enabled by default, ensure it is not disabled.
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::
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enable_tacker: "yes"
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enable_barbican: "yes"
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enable_mistral: "yes"
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enable_redis: "yes"
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.. warning::
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Barbican is required in multinode deployments to share VIM fernet_keys.
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If not enabled, only one tacker-server host will have the keys on it
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and any request made to a different tacker-server will fail with a
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similar error as ``No such file or directory /etc/tacker/vim/fernet_keys``
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Deploy tacker and related services.
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::
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$ kolla-ansible deploy
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Verify
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------
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Generate the credentials file.
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::
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$ kolla-ansible post-deploy
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Source credentials file.
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::
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$ source /etc/kolla/admin-openrc.sh
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Create base neutron networks and glance images.
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::
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$ sh tools/init-runonce
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.. note::
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``init-runonce`` file is located in ``$PYTHON_PATH/kolla-ansible``
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folder in kolla-ansible installation from pip.
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In kolla-ansible git repository a `tacker demo <https://github.com/openstack/kolla-ansible/tree/master/contrib/demos/tacker>`_
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is present in ``kolla-ansible/contrib/demos/tacker/`` that will
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create a very basic VNF from a cirros image in ``demo-net`` network.
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Install python-tackerclient.
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.. note::
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Barbican, heat and mistral python clients are in tacker's
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requirements and will be installed as dependency.
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::
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$ pip install python-tackerclient
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Execute ``deploy-tacker-demo`` script to initialize the VNF creation.
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::
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$ sh deploy-tacker-demo
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Tacker demo script will create sample VNF Descriptor (VNFD) file,
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then register a default VIM, create a tacker VNFD and finally
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deploy a VNF from the previously created VNFD.
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After a few minutes, the tacker VNF is ACTIVE with a cirros instance
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running in nova and with its corresponding heat stack CREATION_COMPLETE.
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Verify tacker VNF status is ACTIVE.
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::
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$ tacker vnf-list
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+--------------------------------------+------------------+-----------------------+--------+--------------------------------------+--------------------------------------+
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| id | name | mgmt_url | status | vim_id | vnfd_id |
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+--------------------------------------+------------------+-----------------------+--------+--------------------------------------+--------------------------------------+
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| c52fcf99-101d-427b-8a2d-c9ef54af8b1d | kolla-sample-vnf | {"VDU1": "10.0.0.10"} | ACTIVE | eb3aa497-192c-4557-a9d7-1dff6874a8e6 | 27e8ea98-f1ff-4a40-a45c-e829e53b3c41 |
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+--------------------------------------+------------------+-----------------------+--------+--------------------------------------+--------------------------------------+
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Verify nova instance status is ACTIVE.
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::
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$ openstack server list
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+--------------------------------------+-------------------------------------------------------+--------+--------------------+--------+-----------------------------------------------------------------------------------------------------------------------+
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| ID | Name | Status | Networks | Image | Flavor |
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+--------------------------------------+-------------------------------------------------------+--------+--------------------+--------+-----------------------------------------------------------------------------------------------------------------------+
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| d2d59eeb-8526-4826-8f1b-c50b571395e2 | ta-cf99-101d-427b-8a2d-c9ef54af8b1d-VDU1-fchiv6saay7p | ACTIVE | demo-net=10.0.0.10 | cirros | tacker.vnfm.infra_drivers.openstack.openstack_OpenStack-c52fcf99-101d-427b-8a2d-c9ef54af8b1d-VDU1_flavor-yl4bzskwxdkn |
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+--------------------------------------+-------------------------------------------------------+--------+--------------------+--------+-----------------------------------------------------------------------------------------------------------------------+
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Verify Heat stack status is CREATE_COMPLETE.
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::
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$ openstack stack list
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+--------------------------------------+----------------------------------------------------------------------------------------------+----------------------------------+-----------------+----------------------+--------------+
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| ID | Stack Name | Project | Stack Status | Creation Time | Updated Time |
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+--------------------------------------+----------------------------------------------------------------------------------------------+----------------------------------+-----------------+----------------------+--------------+
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| 289a6686-70f6-4db7-aa10-ed169fe547a6 | tacker.vnfm.infra_drivers.openstack.openstack_OpenStack-c52fcf99-101d-427b-8a2d-c9ef54af8b1d | 1243948e59054aab83dbf2803e109b3f | CREATE_COMPLETE | 2017-08-23T09:49:50Z | None |
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+--------------------------------------+----------------------------------------------------------------------------------------------+----------------------------------+-----------------+----------------------+--------------+
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After the correct functionality of tacker is verified, tacker demo
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can be cleaned up executing ``cleanup-tacker`` script.
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::
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$ sh cleanup-tacker
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[1] https://docs.openstack.org/tacker/latest/
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