430 lines
17 KiB
Plaintext
430 lines
17 KiB
Plaintext
# lib/swift
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# Functions to control the configuration and operation of the **Swift** service
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# Dependencies:
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# ``functions`` file
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# ``DEST``, ``SCREEN_NAME``, `SWIFT_HASH` must be defined
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# ``STACK_USER`` must be defined
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# ``SWIFT_DATA_DIR`` or ``DATA_DIR`` must be defined
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# ``lib/keystone`` file
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# ``stack.sh`` calls the entry points in this order:
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#
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# install_swift
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# configure_swift
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# init_swift
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# start_swift
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# stop_swift
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# cleanup_swift
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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# Set up default directories
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SWIFT_DIR=$DEST/swift
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SWIFTCLIENT_DIR=$DEST/python-swiftclient
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SWIFT_AUTH_CACHE_DIR=${SWIFT_AUTH_CACHE_DIR:-/var/cache/swift}
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SWIFT3_DIR=$DEST/swift3
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# TODO: add logging to different location.
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# Set ``SWIFT_DATA_DIR`` to the location of swift drives and objects.
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# Default is the common DevStack data directory.
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SWIFT_DATA_DIR=${SWIFT_DATA_DIR:-${DATA_DIR}/swift}
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# Set ``SWIFT_CONF_DIR`` to the location of the configuration files.
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# Default is ``/etc/swift``.
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# TODO(dtroyer): remove SWIFT_CONFIG_DIR after cutting stable/grizzly
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SWIFT_CONF_DIR=${SWIFT_CONF_DIR:-${SWIFT_CONFIG_DIR:-/etc/swift}}
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if is_service_enabled s-proxy && is_service_enabled swift3; then
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# If we are using swift3, we can default the s3 port to swift instead
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# of nova-objectstore
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S3_SERVICE_PORT=${S3_SERVICE_PORT:-8080}
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fi
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# DevStack will create a loop-back disk formatted as XFS to store the
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# swift data. Set ``SWIFT_LOOPBACK_DISK_SIZE`` to the disk size in
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# kilobytes.
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# Default is 1 gigabyte.
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SWIFT_LOOPBACK_DISK_SIZE=${SWIFT_LOOPBACK_DISK_SIZE:-1000000}
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# Set ``SWIFT_EXTRAS_MIDDLEWARE`` to extras middlewares.
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# Default is ``staticweb, tempurl, bulk, formpost``
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SWIFT_EXTRAS_MIDDLEWARE=${SWIFT_EXTRAS_MIDDLEWARE:-tempurl formpost staticweb bulk}
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# The ring uses a configurable number of bits from a path’s MD5 hash as
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# a partition index that designates a device. The number of bits kept
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# from the hash is known as the partition power, and 2 to the partition
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# power indicates the partition count. Partitioning the full MD5 hash
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# ring allows other parts of the cluster to work in batches of items at
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# once which ends up either more efficient or at least less complex than
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# working with each item separately or the entire cluster all at once.
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# By default we define 9 for the partition count (which mean 512).
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SWIFT_PARTITION_POWER_SIZE=${SWIFT_PARTITION_POWER_SIZE:-9}
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# Set ``SWIFT_REPLICAS`` to configure how many replicas are to be
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# configured for your Swift cluster. By default we are configuring
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# only one replica since this is way less CPU and memory intensive. If
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# you are planning to test swift replication you may want to set this
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# up to 3.
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SWIFT_REPLICAS=${SWIFT_REPLICAS:-1}
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SWIFT_REPLICAS_SEQ=$(seq ${SWIFT_REPLICAS})
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# Set ``OBJECT_PORT_BASE``, ``CONTAINER_PORT_BASE``, ``ACCOUNT_PORT_BASE``
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# Port bases used in port number calclution for the service "nodes"
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# The specified port number will be used, the additinal ports calculated by
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# base_port + node_num * 10
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OBJECT_PORT_BASE=${OBJECT_PORT_BASE:-6013}
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CONTAINER_PORT_BASE=${CONTAINER_PORT_BASE:-6011}
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ACCOUNT_PORT_BASE=${ACCOUNT_PORT_BASE:-6012}
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# Functions
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# ---------
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# cleanup_swift() - Remove residual data files
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function cleanup_swift() {
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rm -f ${SWIFT_CONF_DIR}{*.builder,*.ring.gz,backups/*.builder,backups/*.ring.gz}
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if egrep -q ${SWIFT_DATA_DIR}/drives/sdb1 /proc/mounts; then
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sudo umount ${SWIFT_DATA_DIR}/drives/sdb1
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fi
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if [[ -e ${SWIFT_DATA_DIR}/drives/images/swift.img ]]; then
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rm ${SWIFT_DATA_DIR}/drives/images/swift.img
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fi
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rm -rf ${SWIFT_DATA_DIR}/run/
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}
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# configure_swift() - Set config files, create data dirs and loop image
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function configure_swift() {
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local swift_pipeline=" "
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local node_number
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local swift_node_config
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local swift_log_dir
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# Make sure to kill all swift processes first
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swift-init --run-dir=${SWIFT_DATA_DIR}/run all stop || true
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sudo mkdir -p ${SWIFT_CONF_DIR}/{object,container,account}-server
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sudo chown -R $USER: ${SWIFT_CONF_DIR}
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if [[ "$SWIFT_CONF_DIR" != "/etc/swift" ]]; then
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# Some swift tools are hard-coded to use ``/etc/swift`` and are apparently not going to be fixed.
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# Create a symlink if the config dir is moved
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sudo ln -sf ${SWIFT_CONF_DIR} /etc/swift
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fi
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# Swift use rsync to synchronize between all the different
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# partitions (which make more sense when you have a multi-node
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# setup) we configure it with our version of rsync.
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sed -e "
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s/%GROUP%/${USER_GROUP}/;
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s/%USER%/$USER/;
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s,%SWIFT_DATA_DIR%,$SWIFT_DATA_DIR,;
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" $FILES/swift/rsyncd.conf | sudo tee /etc/rsyncd.conf
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# rsyncd.conf just prepared for 4 nodes
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if is_ubuntu; then
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sudo sed -i '/^RSYNC_ENABLE=false/ { s/false/true/ }' /etc/default/rsync
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else
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sudo sed -i '/disable *= *yes/ { s/yes/no/ }' /etc/xinetd.d/rsync
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fi
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if is_service_enabled swift3;then
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swift_auth_server="s3token "
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fi
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# By default Swift will be installed with the tempauth middleware
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# which has some default username and password if you have
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# configured keystone it will checkout the directory.
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if is_service_enabled key; then
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swift_auth_server+="authtoken keystoneauth"
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else
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swift_auth_server=tempauth
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fi
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SWIFT_CONFIG_PROXY_SERVER=${SWIFT_CONF_DIR}/proxy-server.conf
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cp ${SWIFT_DIR}/etc/proxy-server.conf-sample ${SWIFT_CONFIG_PROXY_SERVER}
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT user
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iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT user ${USER}
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT swift_dir
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iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT swift_dir ${SWIFT_CONF_DIR}
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT workers
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iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT workers 1
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT log_level
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iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT log_level DEBUG
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT bind_port
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iniset ${SWIFT_CONFIG_PROXY_SERVER} DEFAULT bind_port ${SWIFT_DEFAULT_BIND_PORT:-8080}
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# By default Swift will be installed with the tempauth middleware
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# which has some default username and password if you have
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# configured keystone it will configure swift with it.
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if is_service_enabled key;then
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if is_service_enabled swift3;then
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swift_pipeline=" swift3 s3token "
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fi
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swift_pipeline+=" authtoken keystoneauth "
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else
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if is_service_enabled swift3;then
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swift_pipeline=" swift3 "
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fi
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swift_pipeline+=" tempauth "
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fi
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sed -i "/^pipeline/ { s/tempauth/${swift_pipeline} ${SWIFT_EXTRAS_MIDDLEWARE}/ ;}" ${SWIFT_CONFIG_PROXY_SERVER}
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iniset ${SWIFT_CONFIG_PROXY_SERVER} app:proxy-server account_autocreate true
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# Configure Keystone
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sed -i '/^# \[filter:authtoken\]/,/^# \[filter:keystoneauth\]$/ s/^#[ \t]*//' ${SWIFT_CONFIG_PROXY_SERVER}
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_host $KEYSTONE_AUTH_HOST
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_port $KEYSTONE_AUTH_PORT
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken auth_uri $KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_SERVICE_PORT/
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken admin_tenant_name $SERVICE_TENANT_NAME
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken admin_user swift
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken admin_password $SERVICE_PASSWORD
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:authtoken signing_dir $SWIFT_AUTH_CACHE_DIR
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} filter:keystoneauth use
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iniuncomment ${SWIFT_CONFIG_PROXY_SERVER} filter:keystoneauth operator_roles
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iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:keystoneauth operator_roles "Member, admin"
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if is_service_enabled swift3; then
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cat <<EOF >>${SWIFT_CONFIG_PROXY_SERVER}
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# NOTE(chmou): s3token middleware is not updated yet to use only
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# username and password.
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[filter:s3token]
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paste.filter_factory = keystone.middleware.s3_token:filter_factory
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auth_port = ${KEYSTONE_AUTH_PORT}
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auth_host = ${KEYSTONE_AUTH_HOST}
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auth_protocol = ${KEYSTONE_AUTH_PROTOCOL}
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auth_token = ${SERVICE_TOKEN}
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admin_token = ${SERVICE_TOKEN}
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[filter:swift3]
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use = egg:swift3#swift3
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EOF
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fi
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cp ${SWIFT_DIR}/etc/swift.conf-sample ${SWIFT_CONF_DIR}/swift.conf
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iniset ${SWIFT_CONF_DIR}/swift.conf swift-hash swift_hash_path_suffix ${SWIFT_HASH}
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# This function generates an object/account/proxy configuration
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# emulating 4 nodes on different ports
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function generate_swift_config() {
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local swift_node_config=$1
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local node_id=$2
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local bind_port=$3
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log_facility=$[ node_id - 1 ]
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node_path=${SWIFT_DATA_DIR}/${node_number}
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iniuncomment ${swift_node_config} DEFAULT user
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iniset ${swift_node_config} DEFAULT user ${USER}
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iniuncomment ${swift_node_config} DEFAULT bind_port
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iniset ${swift_node_config} DEFAULT bind_port ${bind_port}
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iniuncomment ${swift_node_config} DEFAULT swift_dir
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iniset ${swift_node_config} DEFAULT swift_dir ${SWIFT_CONF_DIR}
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iniuncomment ${swift_node_config} DEFAULT devices
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iniset ${swift_node_config} DEFAULT devices ${node_path}
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iniuncomment ${swift_node_config} DEFAULT log_facility
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iniset ${swift_node_config} DEFAULT log_facility LOG_LOCAL${log_facility}
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iniuncomment ${swift_node_config} DEFAULT mount_check
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iniset ${swift_node_config} DEFAULT mount_check false
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iniuncomment ${swift_node_config} ${server_type}-replicator vm_test_mode
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iniset ${swift_node_config} ${server_type}-replicator vm_test_mode yes
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}
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for node_number in ${SWIFT_REPLICAS_SEQ}; do
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swift_node_config=${SWIFT_CONF_DIR}/object-server/${node_number}.conf
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cp ${SWIFT_DIR}/etc/object-server.conf-sample ${swift_node_config}
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generate_swift_config ${swift_node_config} ${node_number} $[OBJECT_PORT_BASE + 10 * (node_number - 1)]
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iniset ${swift_node_config} filter:recon recon_cache_path ${SWIFT_DATA_DIR}/cache
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# Using a sed and not iniset/iniuncomment because we want to a global
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# modification and make sure it works for new sections.
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sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}
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swift_node_config=${SWIFT_CONF_DIR}/container-server/${node_number}.conf
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cp ${SWIFT_DIR}/etc/container-server.conf-sample ${swift_node_config}
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generate_swift_config ${swift_node_config} ${node_number} $[CONTAINER_PORT_BASE + 10 * (node_number - 1)]
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iniuncomment ${swift_node_config} app:container-server allow_versions
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iniset ${swift_node_config} app:container-server allow_versions "true"
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sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}
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swift_node_config=${SWIFT_CONF_DIR}/account-server/${node_number}.conf
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cp ${SWIFT_DIR}/etc/account-server.conf-sample ${swift_node_config}
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generate_swift_config ${swift_node_config} ${node_number} $[ACCOUNT_PORT_BASE + 10 * (node_number - 1)]
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sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}
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done
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swift_log_dir=${SWIFT_DATA_DIR}/logs
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rm -rf ${swift_log_dir}
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mkdir -p ${swift_log_dir}/hourly
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sudo chown -R $USER:adm ${swift_log_dir}
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sed "s,%SWIFT_LOGDIR%,${swift_log_dir}," $FILES/swift/rsyslog.conf | sudo \
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tee /etc/rsyslog.d/10-swift.conf
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}
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# create_swift_disk - Create Swift backing disk
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function create_swift_disk() {
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local node_number
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# First do a bit of setup by creating the directories and
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# changing the permissions so we can run it as our user.
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USER_GROUP=$(id -g)
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sudo mkdir -p ${SWIFT_DATA_DIR}/{drives,cache,run,logs}
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sudo chown -R $USER:${USER_GROUP} ${SWIFT_DATA_DIR}
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# Create a loopback disk and format it to XFS.
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if [[ -e ${SWIFT_DATA_DIR}/drives/images/swift.img ]]; then
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if egrep -q ${SWIFT_DATA_DIR}/drives/sdb1 /proc/mounts; then
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sudo umount ${SWIFT_DATA_DIR}/drives/sdb1
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sudo rm -f ${SWIFT_DATA_DIR}/drives/images/swift.img
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fi
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fi
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mkdir -p ${SWIFT_DATA_DIR}/drives/images
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sudo touch ${SWIFT_DATA_DIR}/drives/images/swift.img
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sudo chown $USER: ${SWIFT_DATA_DIR}/drives/images/swift.img
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dd if=/dev/zero of=${SWIFT_DATA_DIR}/drives/images/swift.img \
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bs=1024 count=0 seek=${SWIFT_LOOPBACK_DISK_SIZE}
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# Make a fresh XFS filesystem
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mkfs.xfs -f -i size=1024 ${SWIFT_DATA_DIR}/drives/images/swift.img
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# Mount the disk with mount options to make it as efficient as possible
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mkdir -p ${SWIFT_DATA_DIR}/drives/sdb1
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if ! egrep -q ${SWIFT_DATA_DIR}/drives/sdb1 /proc/mounts; then
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sudo mount -t xfs -o loop,noatime,nodiratime,nobarrier,logbufs=8 \
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${SWIFT_DATA_DIR}/drives/images/swift.img ${SWIFT_DATA_DIR}/drives/sdb1
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fi
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# Create a link to the above mount and
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# create all of the directories needed to emulate a few different servers
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for node_number in ${SWIFT_REPLICAS_SEQ}; do
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sudo ln -sf ${SWIFT_DATA_DIR}/drives/sdb1/$node_number ${SWIFT_DATA_DIR}/$node_number;
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drive=${SWIFT_DATA_DIR}/drives/sdb1/${node_number}
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node=${SWIFT_DATA_DIR}/${node_number}/node
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node_device=${node}/sdb1
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[[ -d $node ]] && continue
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[[ -d $drive ]] && continue
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sudo install -o ${USER} -g $USER_GROUP -d $drive
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sudo install -o ${USER} -g $USER_GROUP -d $node_device
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sudo chown -R $USER: ${node}
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done
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}
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# init_swift() - Initialize rings
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function init_swift() {
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local node_number
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# Make sure to kill all swift processes first
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swift-init --run-dir=${SWIFT_DATA_DIR}/run all stop || true
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# Forcibly re-create the backing filesystem
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create_swift_disk
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# This is where we create three different rings for swift with
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# different object servers binding on different ports.
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pushd ${SWIFT_CONF_DIR} >/dev/null && {
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rm -f *.builder *.ring.gz backups/*.builder backups/*.ring.gz
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swift-ring-builder object.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1
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swift-ring-builder container.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1
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swift-ring-builder account.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1
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for node_number in ${SWIFT_REPLICAS_SEQ}; do
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swift-ring-builder object.builder add z${node_number}-127.0.0.1:$[OBJECT_PORT_BASE + 10 * (node_number - 1)]/sdb1 1
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swift-ring-builder container.builder add z${node_number}-127.0.0.1:$[CONTAINER_PORT_BASE + 10 * (node_number - 1)]/sdb1 1
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swift-ring-builder account.builder add z${node_number}-127.0.0.1:$[ACCOUNT_PORT_BASE + 10 * (node_number - 1)]/sdb1 1
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done
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swift-ring-builder object.builder rebalance
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swift-ring-builder container.builder rebalance
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swift-ring-builder account.builder rebalance
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} && popd >/dev/null
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# Create cache dir
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sudo mkdir -p $SWIFT_AUTH_CACHE_DIR
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sudo chown $STACK_USER $SWIFT_AUTH_CACHE_DIR
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rm -f $SWIFT_AUTH_CACHE_DIR/*
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}
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function install_swift() {
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git_clone $SWIFT_REPO $SWIFT_DIR $SWIFT_BRANCH
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setup_develop $SWIFT_DIR
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}
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function install_swiftclient() {
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git_clone $SWIFTCLIENT_REPO $SWIFTCLIENT_DIR $SWIFTCLIENT_BRANCH
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setup_develop $SWIFTCLIENT_DIR
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}
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# start_swift() - Start running processes, including screen
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function start_swift() {
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# (re)start rsyslog
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restart_service rsyslog
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# (re)start memcached to make sure we have a clean memcache.
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restart_service memcached
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# Start rsync
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if is_ubuntu; then
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sudo /etc/init.d/rsync restart || :
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else
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sudo systemctl start xinetd.service
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fi
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# By default with only one replica we are launching the proxy,
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# container, account and object server in screen in foreground and
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# other services in background. If we have SWIFT_REPLICAS set to something
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# greater than one we first spawn all the swift services then kill the proxy
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# service so we can run it in foreground in screen. ``swift-init ...
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# {stop|restart}`` exits with '1' if no servers are running, ignore it just
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# in case
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swift-init --run-dir=${SWIFT_DATA_DIR}/run all restart || true
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if [[ ${SWIFT_REPLICAS} == 1 ]]; then
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todo="object container account"
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fi
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for type in proxy ${todo}; do
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swift-init --run-dir=${SWIFT_DATA_DIR}/run ${type} stop || true
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done
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screen_it s-proxy "cd $SWIFT_DIR && $SWIFT_DIR/bin/swift-proxy-server ${SWIFT_CONF_DIR}/proxy-server.conf -v"
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if [[ ${SWIFT_REPLICAS} == 1 ]]; then
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for type in object container account;do
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screen_it s-${type} "cd $SWIFT_DIR && $SWIFT_DIR/bin/swift-${type}-server ${SWIFT_CONF_DIR}/${type}-server/1.conf -v"
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done
|
||
fi
|
||
}
|
||
|
||
# stop_swift() - Stop running processes (non-screen)
|
||
function stop_swift() {
|
||
# screen normally killed by unstack.sh
|
||
if type -p swift-init >/dev/null; then
|
||
swift-init --run-dir=${SWIFT_DATA_DIR}/run all stop || true
|
||
fi
|
||
# Dump the proxy server
|
||
sudo pkill -f swift-proxy-server
|
||
}
|
||
|
||
# Restore xtrace
|
||
$XTRACE
|
||
|
||
# Local variables:
|
||
# mode: shell-script
|
||
# End:
|