2022-10-23 12:17:39 +00:00
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#!/usr/bin/env bash
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set -euo pipefail
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dir="$(mktemp -d)"
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pushd .
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cd "${dir}"
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BINARY=$(curl https://api.github.com/repos/prometheus/node_exporter/releases/latest | jq -r '.assets[] | select(.name | contains("linux-amd64")) | .browser_download_url')
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curl -L $BINARY -o node-exporter.tgz
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mkdir -p prometheus/usr/{bin,lib/{systemd/system,extension-release.d}}
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tar xzf node-exporter.tgz
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cp -vrf node_exporter-*/node_exporter prometheus/usr/bin/node_exporter
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2022-10-23 17:53:01 +00:00
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cat > /etc/systemd/system/prometheus-node-exporter.service <<- EOM
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2022-10-23 12:17:39 +00:00
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[Unit]
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Description=Prometheus exporter for machine metrics
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Requires=network-online.target
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After=network-online.target
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[Service]
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Restart=on-failure
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ExecStart=/usr/bin/node_exporter
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ExecReload=/bin/kill -HUP \$MAINPID
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NoNewPrivileges=true
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ProtectHome=read-only
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ProtectSystem=strict
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[Install]
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WantedBy=multi-user.target
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EOM
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source /etc/os-release
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echo -e "SYSEXT_LEVEL=1.0\nID=steamos\nVERSION_ID=${VERSION_ID}" >> prometheus/usr/lib/extension-release.d/extension-release.prometheus-node-exporter
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mkdir -p /var/lib/extensions
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rm -rf /var/lib/extensions/prometheus-node-exporter
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cp -vrf prometheus /var/lib/extensions/prometheus-node-exporter
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popd
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rm -rf "${dir}"
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