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#!/bin/bash
. lib/common
set -e
DBNAME=$(relation-get dbname) || { DBNAME="${BASE_SERVICE_NAME//\./_}" relation-set dbname "$DBNAME" }
ensure_db_docker_running
if dbs=$(mongo:db:ls); then 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 else err "Failed to query for database list" exit 14 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
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