node-exporter/entrypoint.sh

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#!/bin/sh -e
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NODE_NAME=$(cat "/host/etc/hostname")
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echo "node_meta{node_id=\"$NODE_ID\", container_label_com_docker_swarm_node_id=\"$NODE_ID\", node_name=\"$NODE_NAME\"} 1" > /etc/node-exporter/node-meta.prom
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set -- /bin/node_exporter "$@"
exec "$@"