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82 lines
2.6 KiB
Bash
Executable File
82 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# Minio Cloud Storage, (C) 2017 Minio, Inc.
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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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# If command starts with an option, prepend minio.
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if [ "${1}" != "minio" ]; then
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if [ -n "${1}" ]; then
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set -- minio "$@"
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fi
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fi
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# Wait for all the hosts to come online and have
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# their DNS entries populated properly.
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docker_wait_hosts() {
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hosts="$@"
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num_hosts=0
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# Count number of hosts in arguments.
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for host in $hosts; do
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[ $(echo "$host" | grep -E "^http") ] || continue
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num_hosts=$((num_hosts+1))
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done
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if [ $num_hosts -gt 0 ]; then
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echo -n "Waiting for all hosts to resolve..."
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while true; do
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x=0
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for host in $hosts; do
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[ $(echo "$host" | grep -E "^http") ] || continue
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# Extract the domain.
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host=$(echo $host | sed -e 's/^http[s]\?:\/\/\([^\/]\+\).*/\1/')
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echo -n .
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val=$(ping -c 1 $host 2>/dev/null)
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if [ $? != 0 ]; then
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echo "Failed to lookup $host"
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continue
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fi
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x=$((x+1))
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done
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# Provided hosts same as successful hosts, should break out.
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test $x -eq $num_hosts && break
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echo "Failed to resolve hosts.. retrying after 1 second."
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sleep 1
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done
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echo "All hosts are resolving proceeding to initialize Minio."
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fi
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}
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## Look for docker secrets in default documented location.
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docker_secrets_env() {
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local MINIO_ACCESS_KEY_FILE="/run/secrets/access_key"
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local MINIO_SECRET_KEY_FILE="/run/secrets/secret_key"
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if [ -f $MINIO_ACCESS_KEY_FILE -a -f $MINIO_SECRET_KEY_FILE ]; then
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if [ -f $MINIO_ACCESS_KEY_FILE ]; then
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export MINIO_ACCESS_KEY="$(cat "$MINIO_ACCESS_KEY_FILE")"
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fi
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if [ -f $MINIO_SECRET_KEY_FILE ]; then
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export MINIO_SECRET_KEY="$(cat "$MINIO_SECRET_KEY_FILE")"
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fi
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fi
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}
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## Set access env from secrets if necessary.
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docker_secrets_env
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## Wait for all the hosts to come online.
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docker_wait_hosts "$@"
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exec "$@"
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