53 lines
1.8 KiB
Bash
53 lines
1.8 KiB
Bash
#! /bin/bash
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#
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# create_cluster_file.bash
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#
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# This source file is part of the FoundationDB open source project
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#
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# Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# This script creates a cluster file for a server or client.
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# This takes the cluster file path from the FDB_CLUSTER_FILE
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# environment variable, with a default of /etc/foundationdb/fdb.cluster
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#
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# The name of the coordinator must be defined in the FDB_COORDINATOR environment
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# variable, and it must be a name that can be resolved through DNS.
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function create_cluster_file() {
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FDB_CLUSTER_FILE=${FDB_CLUSTER_FILE:-/etc/foundationdb/fdb.cluster}
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mkdir -p $(dirname $FDB_CLUSTER_FILE)
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if [[ -n "$FDB_CLUSTER_FILE_CONTENTS" ]]; then
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echo "$FDB_CLUSTER_FILE_CONTENTS" > $FDB_CLUSTER_FILE
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elif [[ -n $FDB_COORDINATOR ]]; then
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coordinator_ip=$(dig +short $FDB_COORDINATOR)
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if [[ -z "$coordinator_ip" ]]; then
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echo "Failed to look up coordinator address for $FDB_COORDINATOR" 1>&2
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exit 1
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fi
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coordinator_port=${FDB_COORDINATOR_PORT:-4500}
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echo "docker:docker@$coordinator_ip:$coordinator_port" > $FDB_CLUSTER_FILE
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else
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echo "FDB_COORDINATOR environment variable not defined" 1>&2
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exit 1
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fi
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}
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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create_cluster_file "$@"
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fi
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