devstack/lib/swift
Chmouel Boudjnah 8ecbb38d79 restart memcached for swift.
- (re)start memcached to make sure we have a clean memcache.

Change-Id: Idad8d58e2500156c4170af04f880a074c8ce7943
2013-03-12 12:15:49 +01:00

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# lib/swift
# Functions to control the configuration and operation of the **Swift** service
# Dependencies:
# ``functions`` file
# ``DEST``, ``SCREEN_NAME``, `SWIFT_HASH` must be defined
# ``STACK_USER`` must be defined
# ``SWIFT_DATA_DIR`` or ``DATA_DIR`` must be defined
# ``lib/keystone`` file
# ``stack.sh`` calls the entry points in this order:
#
# install_swift
# configure_swift
# init_swift
# start_swift
# stop_swift
# cleanup_swift
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# Set up default directories
SWIFT_DIR=$DEST/swift
SWIFTCLIENT_DIR=$DEST/python-swiftclient
SWIFT_AUTH_CACHE_DIR=${SWIFT_AUTH_CACHE_DIR:-/var/cache/swift}
# TODO: add logging to different location.
# Set ``SWIFT_DATA_DIR`` to the location of swift drives and objects.
# Default is the common DevStack data directory.
SWIFT_DATA_DIR=${SWIFT_DATA_DIR:-${DATA_DIR}/swift}
# Set ``SWIFT_CONFIG_DIR`` to the location of the configuration files.
# Default is ``/etc/swift``.
SWIFT_CONFIG_DIR=${SWIFT_CONFIG_DIR:-/etc/swift}
# DevStack will create a loop-back disk formatted as XFS to store the
# swift data. Set ``SWIFT_LOOPBACK_DISK_SIZE`` to the disk size in
# kilobytes.
# Default is 1 gigabyte.
SWIFT_LOOPBACK_DISK_SIZE=${SWIFT_LOOPBACK_DISK_SIZE:-1000000}
# The ring uses a configurable number of bits from a paths MD5 hash as
# a partition index that designates a device. The number of bits kept
# from the hash is known as the partition power, and 2 to the partition
# power indicates the partition count. Partitioning the full MD5 hash
# ring allows other parts of the cluster to work in batches of items at
# once which ends up either more efficient or at least less complex than
# working with each item separately or the entire cluster all at once.
# By default we define 9 for the partition count (which mean 512).
SWIFT_PARTITION_POWER_SIZE=${SWIFT_PARTITION_POWER_SIZE:-9}
# Set ``SWIFT_REPLICAS`` to configure how many replicas are to be
# configured for your Swift cluster. By default the three replicas would need a
# bit of IO and Memory on a VM you may want to lower that to 1 if you want to do
# only some quick testing.
SWIFT_REPLICAS=${SWIFT_REPLICAS:-3}
SWIFT_REPLICAS_SEQ=$(seq ${SWIFT_REPLICAS})
# Set ``OBJECT_PORT_BASE``, ``CONTAINER_PORT_BASE``, ``ACCOUNT_PORT_BASE``
# Port bases used in port number calclution for the service "nodes"
# The specified port number will be used, the additinal ports calculated by
# base_port + node_num * 10
OBJECT_PORT_BASE=6010
CONTAINER_PORT_BASE=6011
ACCOUNT_PORT_BASE=6012
# Entry Points
# ------------
# cleanup_swift() - Remove residual data files
function cleanup_swift() {
rm -f ${SWIFT_CONFIG_DIR}{*.builder,*.ring.gz,backups/*.builder,backups/*.ring.gz}
if egrep -q ${SWIFT_DATA_DIR}/drives/sdb1 /proc/mounts; then
sudo umount ${SWIFT_DATA_DIR}/drives/sdb1
fi
if [[ -e ${SWIFT_DATA_DIR}/drives/images/swift.img ]]; then
rm ${SWIFT_DATA_DIR}/drives/images/swift.img
fi
}
# configure_swift() - Set config files, create data dirs and loop image
function configure_swift() {
local swift_auth_server
local node_number
local swift_node_config
local swift_log_dir
setup_develop $SWIFT_DIR
# Make sure to kill all swift processes first
swift-init --run-dir=${SWIFT_DATA_DIR}/run all stop || true
# First do a bit of setup by creating the directories and
# changing the permissions so we can run it as our user.
USER_GROUP=$(id -g)
sudo mkdir -p ${SWIFT_DATA_DIR}/{drives,cache,run,logs}
sudo chown -R $USER:${USER_GROUP} ${SWIFT_DATA_DIR}
# Create a loopback disk and format it to XFS.
if [[ -e ${SWIFT_DATA_DIR}/drives/images/swift.img ]]; then
if egrep -q ${SWIFT_DATA_DIR}/drives/sdb1 /proc/mounts; then
sudo umount ${SWIFT_DATA_DIR}/drives/sdb1
sudo rm -f ${SWIFT_DATA_DIR}/drives/images/swift.img
fi
fi
mkdir -p ${SWIFT_DATA_DIR}/drives/images
sudo touch ${SWIFT_DATA_DIR}/drives/images/swift.img
sudo chown $USER: ${SWIFT_DATA_DIR}/drives/images/swift.img
dd if=/dev/zero of=${SWIFT_DATA_DIR}/drives/images/swift.img \
bs=1024 count=0 seek=${SWIFT_LOOPBACK_DISK_SIZE}
# Make a fresh XFS filesystem
mkfs.xfs -f -i size=1024 ${SWIFT_DATA_DIR}/drives/images/swift.img
# Mount the disk with mount options to make it as efficient as possible
mkdir -p ${SWIFT_DATA_DIR}/drives/sdb1
if ! egrep -q ${SWIFT_DATA_DIR}/drives/sdb1 /proc/mounts; then
sudo mount -t xfs -o loop,noatime,nodiratime,nobarrier,logbufs=8 \
${SWIFT_DATA_DIR}/drives/images/swift.img ${SWIFT_DATA_DIR}/drives/sdb1
fi
# Create a link to the above mount and
# create all of the directories needed to emulate a few different servers
for node_number in ${SWIFT_REPLICAS_SEQ}; do
sudo ln -sf ${SWIFT_DATA_DIR}/drives/sdb1/$node_number ${SWIFT_DATA_DIR}/$node_number;
drive=${SWIFT_DATA_DIR}/drives/sdb1/${node_number}
node=${SWIFT_DATA_DIR}/${node_number}/node
node_device=${node}/sdb1
[[ -d $node ]] && continue
[[ -d $drive ]] && continue
sudo install -o ${USER} -g $USER_GROUP -d $drive
sudo install -o ${USER} -g $USER_GROUP -d $node_device
sudo chown -R $USER: ${node}
done
sudo mkdir -p ${SWIFT_CONFIG_DIR}/{object,container,account}-server
sudo chown -R $USER: ${SWIFT_CONFIG_DIR}
if [[ "$SWIFT_CONFIG_DIR" != "/etc/swift" ]]; then
# Some swift tools are hard-coded to use ``/etc/swift`` and are apparently not going to be fixed.
# Create a symlink if the config dir is moved
sudo ln -sf ${SWIFT_CONFIG_DIR} /etc/swift
fi
# Swift use rsync to synchronize between all the different
# partitions (which make more sense when you have a multi-node
# setup) we configure it with our version of rsync.
sed -e "
s/%GROUP%/${USER_GROUP}/;
s/%USER%/$USER/;
s,%SWIFT_DATA_DIR%,$SWIFT_DATA_DIR,;
" $FILES/swift/rsyncd.conf | sudo tee /etc/rsyncd.conf
# rsyncd.conf just prepared for 4 nodes
if is_ubuntu; then
sudo sed -i '/^RSYNC_ENABLE=false/ { s/false/true/ }' /etc/default/rsync
else
sudo sed -i '/disable *= *yes/ { s/yes/no/ }' /etc/xinetd.d/rsync
fi
if is_service_enabled swift3;then
swift_auth_server="s3token "
fi
# By default Swift will be installed with the tempauth middleware
# which has some default username and password if you have
# configured keystone it will checkout the directory.
if is_service_enabled key; then
swift_auth_server+="authtoken keystoneauth"
else
swift_auth_server=tempauth
fi
SWIFT_CONFIG_PROXY_SERVER=${SWIFT_CONFIG_DIR}/proxy-server.conf
cp ${SWIFT_DIR}/etc/proxy-server.conf-sample ${SWIFT_CONFIG_PROXY_SERVER}
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT user
iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT user ${USER}
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT swift_dir
iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT swift_dir ${SWIFT_CONFIG_DIR}
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT workers
iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT workers 1
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT log_level
iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT log_level DEBUG
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT bind_port
iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT bind_port ${SWIFT_DEFAULT_BIND_PORT:-8080}
# Only enable Swift3 if we have it enabled in ENABLED_SERVICES
is_service_enabled swift3 && swift3=swift3 || swift3=""
iniset ${SWIFT_CONFIG_PROXY_SERVER} pipeline:main pipeline "catch_errors healthcheck cache ratelimit ${swift3} ${swift_auth_server} proxy-logging proxy-server"
iniset ${SWIFT_CONFIG_PROXY_SERVER} app:proxy-server account_autocreate true
# Configure Keystone
sed -i '/^# \[filter:authtoken\]/,/^# \[filter:keystoneauth\]$/ s/^#[ \t]*//' ${SWIFT_CONFIG_PROXY_SERVER}
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_host $KEYSTONE_AUTH_HOST
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_port $KEYSTONE_AUTH_PORT
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_uri $KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_SERVICE_PORT/
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken admin_tenant_name $SERVICE_TENANT_NAME
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken admin_user swift
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken admin_password $SERVICE_PASSWORD
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken signing_dir $SWIFT_AUTH_CACHE_DIR
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} filter:keystoneauth use
iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} filter:keystoneauth operator_roles
iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:keystoneauth operator_roles "Member, admin"
if is_service_enabled swift3; then
cat <<EOF >>${SWIFT_CONFIG_PROXY_SERVER}
# NOTE(chmou): s3token middleware is not updated yet to use only
# username and password.
[filter:s3token]
paste.filter_factory = keystone.middleware.s3_token:filter_factory
auth_port = ${KEYSTONE_AUTH_PORT}
auth_host = ${KEYSTONE_AUTH_HOST}
auth_protocol = ${KEYSTONE_AUTH_PROTOCOL}
auth_token = ${SERVICE_TOKEN}
admin_token = ${SERVICE_TOKEN}
[filter:swift3]
use = egg:swift3#swift3
EOF
fi
cp ${SWIFT_DIR}/etc/swift.conf-sample ${SWIFT_CONFIG_DIR}/swift.conf
iniset ${SWIFT_CONFIG_DIR}/swift.conf swift-hash swift_hash_path_suffix ${SWIFT_HASH}
# This function generates an object/account/proxy configuration
# emulating 4 nodes on different ports
function generate_swift_config() {
local swift_node_config=$1
local node_id=$2
local bind_port=$3
log_facility=$[ node_id - 1 ]
node_path=${SWIFT_DATA_DIR}/${node_number}
iniuncomment ${swift_node_config} DEFAULT user
iniset ${swift_node_config} DEFAULT user ${USER}
iniuncomment ${swift_node_config} DEFAULT bind_port
iniset ${swift_node_config} DEFAULT bind_port ${bind_port}
iniuncomment ${swift_node_config} DEFAULT swift_dir
iniset ${swift_node_config} DEFAULT swift_dir ${SWIFT_CONFIG_DIR}
iniuncomment ${swift_node_config} DEFAULT devices
iniset ${swift_node_config} DEFAULT devices ${node_path}
iniuncomment ${swift_node_config} DEFAULT log_facility
iniset ${swift_node_config} DEFAULT log_facility LOG_LOCAL${log_facility}
iniuncomment ${swift_node_config} DEFAULT mount_check
iniset ${swift_node_config} DEFAULT mount_check false
iniuncomment ${swift_node_config} ${server_type}-replicator vm_test_mode
iniset ${swift_node_config} ${server_type}-replicator vm_test_mode yes
}
for node_number in ${SWIFT_REPLICAS_SEQ}; do
swift_node_config=${SWIFT_CONFIG_DIR}/object-server/${node_number}.conf
cp ${SWIFT_DIR}/etc/object-server.conf-sample ${swift_node_config}
generate_swift_config ${swift_node_config} ${node_number} $[OBJECT_PORT_BASE + 10 * (node_number - 1)]
iniset ${swift_node_config} filter:recon recon_cache_path ${SWIFT_DATA_DIR}/cache
# Using a sed and not iniset/iniuncomment because we want to a global
# modification and make sure it works for new sections.
sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}
swift_node_config=${SWIFT_CONFIG_DIR}/container-server/${node_number}.conf
cp ${SWIFT_DIR}/etc/container-server.conf-sample ${swift_node_config}
generate_swift_config ${swift_node_config} ${node_number} $[CONTAINER_PORT_BASE + 10 * (node_number - 1)]
iniuncomment ${swift_node_config} app:container-server allow_versions
iniset ${swift_node_config} app:container-server allow_versions "true"
sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}
swift_node_config=${SWIFT_CONFIG_DIR}/account-server/${node_number}.conf
cp ${SWIFT_DIR}/etc/account-server.conf-sample ${swift_node_config}
generate_swift_config ${swift_node_config} ${node_number} $[ACCOUNT_PORT_BASE + 10 * (node_number - 1)]
sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}
done
swift_log_dir=${SWIFT_DATA_DIR}/logs
rm -rf ${swift_log_dir}
mkdir -p ${swift_log_dir}/hourly
sudo chown -R $USER:adm ${swift_log_dir}
sed "s,%SWIFT_LOGDIR%,${swift_log_dir}," $FILES/swift/rsyslog.conf | sudo \
tee /etc/rsyslog.d/10-swift.conf
}
# configure_swiftclient() - Set config files, create data dirs, etc
function configure_swiftclient() {
setup_develop $SWIFTCLIENT_DIR
}
# init_swift() - Initialize rings
function init_swift() {
local node_number
# Make sure to kill all swift processes first
swift-init --run-dir=${SWIFT_DATA_DIR}/run all stop || true
# This is where we create three different rings for swift with
# different object servers binding on different ports.
pushd ${SWIFT_CONFIG_DIR} >/dev/null && {
rm -f *.builder *.ring.gz backups/*.builder backups/*.ring.gz
swift-ring-builder object.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1
swift-ring-builder container.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1
swift-ring-builder account.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1
for node_number in ${SWIFT_REPLICAS_SEQ}; do
swift-ring-builder object.builder add z${node_number}-127.0.0.1:$[OBJECT_PORT_BASE + 10 * (node_number - 1)]/sdb1 1
swift-ring-builder container.builder add z${node_number}-127.0.0.1:$[CONTAINER_PORT_BASE + 10 * (node_number - 1)]/sdb1 1
swift-ring-builder account.builder add z${node_number}-127.0.0.1:$[ACCOUNT_PORT_BASE + 10 * (node_number - 1)]/sdb1 1
done
swift-ring-builder object.builder rebalance
swift-ring-builder container.builder rebalance
swift-ring-builder account.builder rebalance
} && popd >/dev/null
# Create cache dir
sudo mkdir -p $SWIFT_AUTH_CACHE_DIR
sudo chown $STACK_USER $SWIFT_AUTH_CACHE_DIR
rm -f $SWIFT_AUTH_CACHE_DIR/*
}
function install_swift() {
git_clone $SWIFT_REPO $SWIFT_DIR $SWIFT_BRANCH
}
function install_swiftclient() {
git_clone $SWIFTCLIENT_REPO $SWIFTCLIENT_DIR $SWIFTCLIENT_BRANCH
}
# start_swift() - Start running processes, including screen
function start_swift() {
# (re)start rsyslog
restart_service rsyslog
# (re)start memcached to make sure we have a clean memcache.
restart_service memcached
# Start rsync
if is_ubuntu; then
sudo /etc/init.d/rsync restart || :
else
sudo systemctl start xinetd.service
fi
# First spawn all the swift services then kill the
# proxy service so we can run it in foreground in screen.
# ``swift-init ... {stop|restart}`` exits with '1' if no servers are running,
# ignore it just in case
swift-init --run-dir=${SWIFT_DATA_DIR}/run all restart || true
swift-init --run-dir=${SWIFT_DATA_DIR}/run proxy stop || true
screen_it swift "cd $SWIFT_DIR && $SWIFT_DIR/bin/swift-proxy-server ${SWIFT_CONFIG_DIR}/proxy-server.conf -v"
}
# stop_swift() - Stop running processes (non-screen)
function stop_swift() {
# screen normally killed by unstack.sh
swift-init --run-dir=${SWIFT_DATA_DIR}/run all stop || true
}
# Restore xtrace
$XTRACE