2020-05-18 08:08:08 -04:00
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#!/usr/bin/env bash
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2020-02-12 01:09:05 -05:00
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# http://redsymbol.net/articles/unofficial-bash-strict-mode/
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IFS=$'\n\t'
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set -euo pipefail
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HOST="$1"
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printf 'Waiting for ES to be reachable ...'
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until $(wget -O- -q "$HOST" &>/dev/null); do
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printf '.'
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sleep 1
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done
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echo " OK!"
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printf 'Waiting for ES to be healthy ...'
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while : ; do
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HEALTH="$(wget -O- -q "$HOST/_cat/health?h=status" 2> /dev/null)"
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HEALTH="$(echo "$HEALTH" | sed -r 's/^[[:space:]]+|[[:space:]]+$//g')" # trim whitespace (otherwise we'll have "green ")
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([ "$HEALTH" != "green" ] && printf '.' && sleep 1) || break
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done
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echo " OK!"
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echo "Elastic Search is up!"
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