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scripts/PROBES.md
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scripts/PROBES.md
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# Probes
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Deze directory bevat scripts die gebruikt kunnen worden als probe binnen kubernetes.
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Deze kun je toevoegen door een configmap te maken waar dit script in staat en deze configmap te mounten in een container.
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Omdat het script dan niet executable is moet je de kubernetes probe het script laten uitvoeren als `sh -c <script>`
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21
scripts/postgres-probe.sh
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scripts/postgres-probe.sh
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#!/bin/bash
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set -eo pipefail
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host="$(hostname -i || echo '127.0.0.1')"
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user="${POSTGRES_USER:-postgres}"
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db="${POSTGRES_DB:-$POSTGRES_USER}"
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export PGPASSWORD="${POSTGRES_PASSWORD:-}"
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args=(
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# force postgres to not use the local unix socket (test "external" connectibility)
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--host "$host"
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--username "$user"
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--dbname "$db"
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--quiet --no-align --tuples-only
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)
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if select="$(echo 'SELECT 1' | psql "${args[@]}")" && [ "$select" = '1' ]; then
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exit 0
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fi
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exit 1
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10
scripts/redis-probe.sh
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scripts/redis-probe.sh
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#!/bin/sh
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set -eo pipefail
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host="$(hostname -i || echo '127.0.0.1')"
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if ping="$(redis-cli -h "$host" ping)" && [ "$ping" = 'PONG' ]; then
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exit 0
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fi
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exit 1
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