Egutierrez
72 lines
2.4 KiB
Bash
Executable File
72 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Despliega metrics_agent en un nodo remoto como servicio systemd.
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#
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# Uso: ./deploy_agent.sh <node_name> <ssh_host> [arch]
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# node_name : valor de la label "instance" en Grafana (ej. homer)
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# ssh_host : alias SSH del nodo (debe existir en ~/.ssh/config)
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# arch : amd64 (default) | arm64
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#
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# Requisitos:
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# - Binario compilado en apps/metrics_agent/dist/metrics_agent_<arch>
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# (compila con: cd apps/metrics_agent && CGO_ENABLED=0 GOOS=linux GOARCH=<arch> \
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# go build -ldflags="-s -w" -o dist/metrics_agent_<arch> .)
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# - `pass fleet/ingest-pass` con el password de ingesta.
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# - sudo -n (sin password) disponible en el nodo remoto.
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set -euo pipefail
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NODE="${1:?uso: deploy_agent.sh <node> <ssh_host> [arch]}"
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HOST="${2:?uso: deploy_agent.sh <node> <ssh_host> [arch]}"
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ARCH="${3:-amd64}"
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HUB="https://metrics-dxaqj3ina6eqd5pjt85wkrrj.organic-machine.com/api/v1/import/prometheus"
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LOKI="https://logs-wmaxecsjcfnocz81d5luca92.organic-machine.com/loki/api/v1/push"
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PW="$(pass show fleet/ingest-pass | head -1)"
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BIN="$(cd "$(dirname "$0")/.." && pwd)/apps/metrics_agent/dist/metrics_agent_${ARCH}"
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[ -f "$BIN" ] || { echo "ERROR: falta el binario $BIN (compílalo primero)"; exit 1; }
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echo ">> copiando binario a $HOST"
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scp -q -o BatchMode=yes "$BIN" "$HOST:/tmp/metrics_agent"
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echo ">> instalando servicio en $NODE ($HOST)"
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ssh -o BatchMode=yes "$HOST" "NODE='$NODE' PW='$PW' HUB='$HUB' LOKI='$LOKI' bash -s" <<'OUTER'
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set -e
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sudo -n mkdir -p /opt/fleet-agent /etc/fleet-agent
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sudo -n mv /tmp/metrics_agent /opt/fleet-agent/metrics_agent
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sudo -n chmod 755 /opt/fleet-agent/metrics_agent
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sudo -n tee /etc/fleet-agent/agent.json >/dev/null <<JSON
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{
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"node": "${NODE}",
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"hub_url": "${HUB}",
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"loki_url": "${LOKI}",
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"user": "fleet",
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"pass": "${PW}",
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"interval_sec": 15
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}
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JSON
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sudo -n chmod 600 /etc/fleet-agent/agent.json
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sudo -n tee /etc/systemd/system/fleet-agent.service >/dev/null <<'UNIT'
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[Unit]
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Description=Fleet metrics agent (fleet_monitoring)
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=simple
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ExecStart=/opt/fleet-agent/metrics_agent -config /etc/fleet-agent/agent.json
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Restart=always
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RestartSec=10
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NoNewPrivileges=true
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[Install]
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WantedBy=multi-user.target
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UNIT
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sudo -n systemctl daemon-reload
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sudo -n systemctl enable fleet-agent >/dev/null 2>&1
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sudo -n systemctl restart fleet-agent
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sleep 3
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echo -n "status: "; systemctl is-active fleet-agent
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OUTER
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echo ">> $NODE desplegado"
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