Egutierrez
108 lines
3.8 KiB
Bash
Executable File
108 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Despliega metrics_agent en un móvil Android/Termux como servicio supervisado
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# (termux-services / runit) con arranque en boot (Termux:Boot) y wake-lock.
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#
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# Uso: ./deploy_agent_termux.sh <node> <ssh_alias>
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#
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# Requisitos:
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# - Binario en apps/metrics_agent/dist/metrics_agent_arm64
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# (CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o dist/metrics_agent_arm64 .)
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# - `pass fleet/ingest-pass`.
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# - En el móvil: Termux + Termux:Boot + Termux:API instalados, paquetes
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# `termux-services` y `termux-api`, y un alias SSH al sshd de Termux.
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set -euo pipefail
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NODE="${1:?uso: deploy_agent_termux.sh <node> <ssh_alias> [role]}"
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HOST="${2:?uso: deploy_agent_termux.sh <node> <ssh_alias> [role]}"
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ROLE="${3:-movil}"
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HUB="https://metrics-dxaqj3ina6eqd5pjt85wkrrj.organic-machine.com/api/v1/import/prometheus"
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LOKI="https://logs-wmaxecsjcfnocz81d5luca92.organic-machine.com/loki/api/v1/push"
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PW="$(pass show fleet/ingest-pass | head -1)"
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BIN="$(cd "$(dirname "$0")/.." && pwd)/apps/metrics_agent/dist/metrics_agent_arm64"
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[ -f "$BIN" ] || { echo "ERROR: falta el binario $BIN (compílalo primero)"; exit 1; }
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echo ">> copiando binario a $HOST"
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ssh -o BatchMode=yes "$HOST" 'mkdir -p ~/fleet-agent'
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scp -q -o BatchMode=yes "$BIN" "$HOST:fleet-agent/metrics_agent"
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echo ">> instalando servicio Termux en $NODE ($HOST)"
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ssh -o BatchMode=yes "$HOST" "NODE='$NODE' PW='$PW' HUB='$HUB' LOKI='$LOKI' ROLE='$ROLE' bash -s" <<'OUTER'
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set -e
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PREFIX=/data/data/com.termux/files/usr
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HM=/data/data/com.termux/files/home
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chmod +x "$HM/fleet-agent/metrics_agent"
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cat > "$HM/fleet-agent/agent.json" <<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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"labels": { "role": "${ROLE}" },
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"battery_file": "$HM/fleet-agent/battery.json",
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"log_file": "$HM/fleet-agent/logcat.log"
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}
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JSON
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chmod 600 "$HM/fleet-agent/agent.json"
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# Servicio runit del agente Go (solo lee ficheros: métricas + battery.json + tail logcat.log).
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mkdir -p "$PREFIX/var/service/fleet-agent"
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cat > "$PREFIX/var/service/fleet-agent/run" <<RUN
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#!$PREFIX/bin/sh
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exec 2>&1
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termux-wake-lock
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exec $HM/fleet-agent/metrics_agent -config $HM/fleet-agent/agent.json
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RUN
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chmod +x "$PREFIX/var/service/fleet-agent/run"
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# Helper shell de batería: el exec de sh SÍ funciona en Termux (el bloqueado es
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# el pidfd_open de Go). Escribe el JSON de termux-battery-status cada 20s.
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mkdir -p "$PREFIX/var/service/fleet-battery"
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cat > "$PREFIX/var/service/fleet-battery/run" <<RUN
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#!$PREFIX/bin/sh
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exec 2>&1
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termux-wake-lock
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while true; do
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termux-battery-status > $HM/fleet-agent/battery.json.tmp 2>/dev/null && mv $HM/fleet-agent/battery.json.tmp $HM/fleet-agent/battery.json
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sleep 20
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done
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RUN
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chmod +x "$PREFIX/var/service/fleet-battery/run"
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# Helper shell de logcat: vuelca el log de Android a fichero rotado (cap ~4MB).
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# El agente Go lo tail-ea sin exec.
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mkdir -p "$PREFIX/var/service/fleet-logcat"
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cat > "$PREFIX/var/service/fleet-logcat/run" <<RUN
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#!$PREFIX/bin/sh
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exec 2>&1
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termux-wake-lock
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exec logcat -v epoch -f $HM/fleet-agent/logcat.log -r 2048 -n 2
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RUN
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chmod +x "$PREFIX/var/service/fleet-logcat/run"
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# Arranque en boot (Termux:Boot): wake-lock + runsvdir vía profile.
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mkdir -p "$HM/.termux/boot"
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cat > "$HM/.termux/boot/start-fleet.sh" <<BOOT
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#!$PREFIX/bin/sh
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termux-wake-lock
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. $PREFIX/etc/profile
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BOOT
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chmod +x "$HM/.termux/boot/start-fleet.sh"
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# Arrancar ya sin esperar a un reinicio: asegurar runsvdir vivo.
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if ! pgrep -f "runsvdir.*var/service" >/dev/null 2>&1; then
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nohup runsvdir "$PREFIX/var/service" >/dev/null 2>&1 &
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sleep 6
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fi
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export SVDIR="$PREFIX/var/service"
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for s in fleet-logcat fleet-battery fleet-agent; do sv up "$s" 2>/dev/null || true; done
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sleep 5
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for s in fleet-logcat fleet-battery fleet-agent; do echo -n "$s: "; sv status "$s" 2>/dev/null || echo "N/A"; done
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OUTER
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echo ">> $NODE desplegado"
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