From eb0b4b4af573764e202ab5bb7938c9c3706d30b3 Mon Sep 17 00:00:00 2001 From: Vyacheslav Struk Date: Tue, 16 Jun 2015 16:21:51 +0300 Subject: [PATCH] Fuel plugin 2.0 for contrail spec added Change-Id: Id6ae09bc43c90a4dc211302c6bb2a10a8eab801e --- specs/spec-2.0.rst | 133 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 specs/spec-2.0.rst diff --git a/specs/spec-2.0.rst b/specs/spec-2.0.rst new file mode 100644 index 000000000..e9aa776e9 --- /dev/null +++ b/specs/spec-2.0.rst @@ -0,0 +1,133 @@ +============================== +Fuel Contrail plugin 2.0 specs +============================== + + +Get rid of fabric scripts +========================= + +Problem description +------------------- + +Contrail plugin 1.0 uses fabric scripts shipped by Juniper within their Contrail packages. +We should get rid of fabric scripts and implement puppet-driven installation. + +Reasons +------- + * Fabric makes installation process complex and hard to debug. + * Fabric scripts behaviour is not idempotent. It’s quite important for normal Fuel operation. We use some dirty hacks to accomplish it for now. + * Puppet is a native way to install and configure things in Fuel. + * Fabric scripts make impossible by design to use plugin with Opencontrail + +Proposed solution +------------------ + +Eliminate “contrail::run_fabric” class and all its invocations in favor of puppet manifests. + +Such as: + run_fabric { 'prov_control_bgp'} + run_fabric { 'prov_external_bgp'} + run_fabric { 'prov_metadata_services'} + run_fabric { 'prov_encap_type'} + run_fabric { 'install_database'} + run_fabric { 'setup_database'} + run_fabric { 'install_cfgm'} + run_fabric { 'install_control'} + run_fabric { 'install_collector'} + run_fabric { 'install_webui'} + run_fabric { 'setup_contrail_keepalived'} + run_fabric { 'fixup_restart_haproxy_in_collector'} + run_fabric { 'fix-service-tenant-name'} + run_fabric { 'setup_cfgm'} + run_fabric { 'setup_control'} + run_fabric { 'setup_collector'} + run_fabric { 'setup_webui'} + +Provide better support for multiple L2 segments in plugin-enabled environments +============================================================================== + +Problem description +------------------- + +The Fuel Contrail Plugin version 1.0 uses Neutron with VLAN segmentation as the only network type supported. +This network type does not fully support Node groups feature introduced in Fuel 6.0 to simplify the deployments in multi-rack environments with different L2 network in each rack. + +Proposed solution +----------------- + +Update the plugin to support Neutron with GRE segmentation Fuel network type and use Private network settings set in Fuel Web UI. + +Use “plugin role” feature from Fuel 7.0 +======================================= + +Problem description +------------------- + +Plugin installation process is complex and not obvious for end users because of workaround with base-os role and mandatory node_user_name for every node with plugin functions. + +Proposed solution +----------------- + +Rewrite plugin logic to drop the workaround and utilize new plugin SDK feature Plugin role to enable selection of plugin-defined node roles for end-user. + +Related blueprints +------------------ +https://blueprints.launchpad.net/fuel/+spec/role-as-a-plugin + +Use Neutron supported by Mirantis +================================= + +Problem description +------------------- + +Contrail-enabled OpenStack environment is using juniper-shipped Neutron which is not supported by Mirantis. Updates and security fixes for Neutron component should be applied manually. + +Proposed solution +----------------- + +Use Mirantis OpenStack Neutron running on OpenStack controllers instead of shipped by Juniper one. +Automate installation of contrail neutron plugin on controllers. + +Implementation +============== + +Assignee(s) +----------- + +Primary assignee: + +- Oleksandr Martsyniuk - feature lead, developer + +Other contributors: + +- Vyacheslav Struk - developer + +Project manager: + +- Andrian Noga + +Quality assurance: + +- Oleksandr Kosse - qa +- Iryna Vovk - qa + +Work Items +---------- + +* Create pre-dev environment and manually deploy Contrail software +* Create Fuel plugin bundle, which contains deployments scripts, puppet modules and metadata +* Extend the puppet module with the following functions: + + - full puppet-based Contrail controllers deployment and configuration + - support Neutron with GRE segmentation network type in Fuel + - contrail neutron plugin installation + - support plugin-based node role + +* Test Contrail plugin version 2.0 + + - Update tests and test plans to cover new functionality + +* Update Documentation + + - Documentation should content explicit statement about impossibilty of upgrading 1.0 to 2.0 because of plugin framework restrictions. +