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#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2019-12-06 12:09:19 +0000 (Fri, 06 Dec 2019)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# Script to more easily connect to ZooKeeper without having to look up the ZooKeeper addresses
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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if [ -z "${ZOOKEEPERS:-}" ]; then
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set +o pipefail
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ZOOKEEPERS="$(find /etc -name '*-site.xml' -exec grep -hA1 zookeeper.quorum {} \; 2>/dev/null | grep '<value>' | sed 's/<value>//;s,</value>,,;s/[[:space:]]*//g' | sort -u | head -n1)"
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set -o pipefail
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if [ -z "${ZOOKEEPERS:-}" ]; then
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echo "ZOOKEEPERS environment variable not set (format is zookeeper1.domain.com:2181,zookeeper2.domain.com:2181,zookeeper3.domain.com:2181)"
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exit 3
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fi
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fi
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exec zookeeper-client -server "$ZOOKEEPERS" "$@"
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