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24 lines
730 B
Bash
24 lines
730 B
Bash
#!/bin/bash
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set -o pipefail
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IP=""
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if [[ -n "${KUBERNETES_RO_SERVICE_HOST}" ]]; then
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: ${NAMESPACE:=rethinkdb}
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# try to pick up first different ip from endpoints
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MYHOST=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
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URL="${KUBERNETES_RO_SERVICE_HOST}/api/v1beta1/endpoints/rethinkdb-driver?namespace=${NAMESPACE}"
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IP=$(curl -s ${URL} | jq -s -r --arg h "${MYHOST}" '.[0].endpoints | [ .[]? | split(":") ] | map(select(.[0] != $h)) | .[0][0]') || exit 1
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[[ "${IP}" == null ]] && IP=""
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fi
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if [[ -n "${IP}" ]]; then
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ENDPOINT="${IP}:29015"
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echo "Join to ${ENDPOINT}"
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exec rethinkdb --bind all --join ${ENDPOINT}
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else
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echo "Start single instance"
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exec rethinkdb --bind all
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fi
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