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#!/bin/bash
#
# Copyright © 2015 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
set -e
# The ansible script needs to know where the rootfs is, so we export it here
export ROOT="$1"
validate_number() {
local name="$1"
local value="$2"
local pattern='^[0-9]+$'
if ! [[ $value =~ $pattern ]]
then
echo "'$name' must be a number" >&2
exit 1
fi
}
validate_non_empty() {
local name="$1"
local value="$2"
if [[ $value = None ]]
then
echo "'$name' cannot be empty" >&2
exit 1
fi
}
MANDATORY_OPTIONS="SWIFT_HASH_PATH_PREFIX \
SWIFT_HASH_PATH_SUFFIX \
SWIFT_REBALANCE_SEED \
SWIFT_PART_POWER \
SWIFT_REPLICAS \
SWIFT_MIN_PART_HOURS \
SWIFT_STORAGE_DEVICES \
CONTROLLER_HOST_ADDRESS \
MANAGEMENT_INTERFACE_IP_ADDRESS"
for option in $MANDATORY_OPTIONS
do
if ! [[ -v $option ]]
then
missing_option=True
echo "Required option $option isn't set!" >&2
fi
done
if [[ $missing_option = True ]]; then exit 1; fi
./swift-storage-devices-validate.py "$SWIFT_STORAGE_DEVICES"
# Validate SWIFT_PART_POWER, SWIFT_REPLICAS, SWIFT_MIN_PART_HOURS
# just make sure they're numbers
validate_number "SWIFT_PART_POWER" "$SWIFT_PART_POWER"
validate_number "SWIFT_REPLICAS" "$SWIFT_REPLICAS"
validate_number "SWIFT_MIN_PART_HOURS" "$SWIFT_MIN_PART_HOURS"
# Make sure these aren't empty
validate_non_empty "SWIFT_HASH_PATH_PREFIX" "$SWIFT_HASH_PATH_PREFIX"
validate_non_empty "SWIFT_HASH_PATH_SUFFIX" "$SWIFT_HASH_PATH_SUFFIX"
validate_non_empty "SWIFT_REBALANCE_SEED" "$SWIFT_REBALANCE_SEED"
validate_non_empty "CONTROLLER_HOST_ADDRESS" "$CONTROLLER_HOST_ADDRESS"
validate_non_empty "MANAGEMENT_INTERFACE_IP_ADDRESS" "$MANAGEMENT_INTERFACE_IP_ADDRESS"
mkdir -p "$ROOT/usr/lib/systemd/system/multi-user.target.wants" # ensure this exists before we make symlinks
# A swift controller needs the storage setup service
# but does not want any of the other storage services enabled
ln -s "/usr/lib/systemd/system/swift-storage-setup.service" \
"$ROOT/usr/lib/systemd/system/multi-user.target.wants/swift-storage-setup.service"
SWIFT_CONTROLLER=${SWIFT_CONTROLLER:-False}
if [[ $SWIFT_CONTROLLER = False ]]
then
ln -s "/usr/lib/systemd/system/rsync.service" \
"$ROOT/usr/lib/systemd/system/multi-user.target.wants/rsync.service"
ln -s "/usr/lib/systemd/system/swift-storage.service" \
"$ROOT/usr/lib/systemd/system/multi-user.target.wants/swift-storage.service"
fi
# Build swift data structures (the rings)
/usr/bin/ansible-playbook -i hosts swift-build-rings.yml
cat << EOF > "$ROOT"/usr/share/swift/swift-storage-vars.yml
---
MANAGEMENT_INTERFACE_IP_ADDRESS: $MANAGEMENT_INTERFACE_IP_ADDRESS
SWIFT_HASH_PATH_PREFIX: $SWIFT_HASH_PATH_PREFIX
SWIFT_HASH_PATH_SUFFIX: $SWIFT_HASH_PATH_SUFFIX
EOF
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