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#!/bin/bash
. lib/common
set -e
DBNAME=$(relation-get dbname) || {
DBNAME="${BASE_SERVICE_NAME//\./_}"
relation-set dbname "$DBNAME"
}
dbs=$(mongo:db:ls) || exit 1
if matching_db=$(e "$dbs" | egrep "[a-zA-Z0-9.-_]*_${DBNAME}"); then
if e "$dbs" | grep "^${DBNAME}$"; then
err "Error: unexpected database '$matching_db'" \
"found along with database named '${DBNAME}'."
exit 1
fi
## Let's take for granted that only current source service is
## concerned by the database. We need to restart source service
## container only if already running.
container_ids=($(get_running_containers_for_service "$MASTER_BASE_SERVICE_NAME"))
for container_id in "${container_ids[@]}"; do
mongo_url=$(docker:container:env_get "$container_id" MONGO_URL) || return 1
if [[ "$mongo_url" == */"${matching_db}"* ]]; then
info "Attempting to stop current containers of service $MASTER_BASE_SERVICE_NAME"
docker stop -t 5 "$container_id"
fi
done
mongo:db:rename "$matching_db" "${DBNAME}"
## we DO NOT want to start the stopped container again as they are not
## properly configured
fi
## ReplicaSet initialization
cmd="rs.initiate({ _id: 'rs01', members: [ { _id: 0, host: '$TARGET_SERVICE_NAME:27017' } ]})"
debug "${WHITE}running:$NORMAL $cmd"
out=$(ddb < <(echo "use $DBNAME";
echo "$cmd"))
if [[ "$out" == *"\"codeName\" : \"AlreadyInitialized\""* ]]; then
info "ReplicaSet already initialized."
elif [[ "$out" == *"\"ok\" : 1"* ]]; then
info "ReplicaSet initialized. "
else
err "ReplicaSet initialisation failed:"
echo "$out" >&2
exit 13
fi