124 lines
4.4 KiB
ReStructuredText
124 lines
4.4 KiB
ReStructuredText
Swift in Kolla
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==============
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Overview
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--------
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Kolla can deploy a full working Swift setup in either a AIO or multi node setup.
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Prerequisites
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-------------
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Before running Swift we need to generate "rings", which are binary compressed files that at a high
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level let the various Swift services know where data is in the cluster. We hope to automate this
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process in a future release.
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Swift also expects block devices to be available and partitioned on the host, which Swift uses in
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combination with the rings to store data. Swift demos commonly just use directories created under
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/srv/node to simulate these devices. In order to ease "out of the box" testing of Kolla, we offer a
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similar setup with a data container. *Note*, data containers are very inefficient for this purpose.
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In production setups operators will want to provision disks according to the Swift operator guide,
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which can then be added the rings and used in Kolla.
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For an AIO setup, the following commands can be used, locally, to generate rings containing the data
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container directories:
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::
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export KOLLA_INTERNAL_ADDRESS=1.2.3.4
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export KOLLA_BASE_DISTRO=centos
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export KOLLA_INSTALL_TYPE=binary
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# Object ring
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base \
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swift-ring-builder /etc/kolla/config/swift/object.builder create 10 3 1
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for partition in sdb1 sdb2 sdb3; do
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base swift-ring-builder \
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/etc/kolla/config/swift/object.builder add z1-${KOLLA_INTERNAL_ADDRESS}:6000/${partition} 1;
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done
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# Account ring
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base \
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swift-ring-builder /etc/kolla/config/swift/account.builder create 10 3 1
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for partition in sdb1 sdb2 sdb3; do
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base swift-ring-builder \
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/etc/kolla/config/swift/account.builder add z1-${KOLLA_INTERNAL_ADDRESS}:6001/${partition} 1;
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done
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# Container ring
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base \
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swift-ring-builder /etc/kolla/config/swift/container.builder create 10 3 1
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for partition in sdb1 sdb2 sdb3; do
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base swift-ring-builder \
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/etc/kolla/config/swift/container.builder add z1-${KOLLA_INTERNAL_ADDRESS}:6002/${partition} 1;
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done
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for ring in object account container; do
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docker run \
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-v /etc/kolla/config/swift/:/etc/kolla/config/swift/ \
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kollaglue/${KOLLA_BASE_DISTRO}-${KOLLA_INSTALL_TYPE}-swift-base swift-ring-builder \
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/etc/kolla/config/swift/${ring}.builder rebalance;
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done
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Similar commands can be used for multinode, you will just need to run the the 'add' step for each IP
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in the cluster.
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For more info, see
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http://docs.openstack.org/kilo/install-guide/install/apt/content/swift-initial-rings.html
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Deploying
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---------
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Once the rings are in place, deploying Swift is the same as any other Kolla Ansible service. Below
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is the minimal command to bring up Swift AIO, and it's dependencies:
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::
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ansible-playbook \
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-i ansible/inventory/all-in-one \
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-e @/etc/kolla/globals.yml \
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-e @etc/kolla/passwords.yml \
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ansible/site.yml \
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--tags=rabbitmq,mariadb,keystone,swift
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Validation
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----------
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A very basic smoke test:
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::
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$ swift stat
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Account: AUTH_4c19d363b9cf432a80e34f06b1fa5749
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Containers: 1
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Objects: 0
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Bytes: 0
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Containers in policy "policy-0": 1
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Objects in policy "policy-0": 0
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Bytes in policy "policy-0": 0
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X-Account-Project-Domain-Id: default
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X-Timestamp: 1440168098.28319
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X-Trans-Id: txf5a62b7d7fc541f087703-0055d73be7
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Content-Type: text/plain; charset=utf-8
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Accept-Ranges: bytes
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$ swift upload mycontainer README.rst
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README.md
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$ swift list
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mycontainer
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$ swift download mycontainer README.md
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README.md [auth 0.248s, headers 0.939s, total 0.939s, 0.006 MB/s]
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