Commit 2eb3f467 authored by Pedro Eduardo Trujillo's avatar Pedro Eduardo Trujillo
Browse files

Pone al día el proyecto 

Mejora script de arranque, simplificando la carga del nombre del nodo.
Actualiza parámetro obsoleto de exclusión de directorios.
Agrega configuración para puerto, nivel de log y nombre del nodo.
Incluye healthcheck.
Actualiza algunos valores por defecto.
Actualiza y unifica fichero compose.
Actualiza plantillas CI utilizadas.
parent 9b7b4c80

.gitlab-ci.yml

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include:

  - project: 'redmic-project/gitlab-ci-templates'

    ref: master

    file: '/deployment.yml'

    file: '/deployment-service/docker-deploy.yml'



stages:

  - deploy

README.md

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# Node exporter



Prometheus exporter for hardware and OS metrics. Inspired by https://github.com/stefanprodan/swarmprom
 
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Prometheus exporter for hardware and OS metrics. Inspired by <https://github.com/stefanprodan/swarmprom>

deploy/.env

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PORT=9100

CONFIG_PATH=/etc/node-exporter

HOST_PATH=/rootfs

MOUNT_POINTS_EXCLUDE=sys|proc|dev|etc|boot|tmp|run|.*/docker/containers

deploy/docker-compose.tmpl.yml→deploy/compose.yaml

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version: '3.5'



services:

  node-exporter:

    image: ${IMAGE_NAME:-prom/node-exporter}:${IMAGE_TAG:-latest}

    user: root

    entrypoint: ${CONFIG_PATH}/entrypoint.sh

    command:

      - --web.listen-address=:${PORT}

      - --log.level=${LOG_LEVEL:-info}

      - --path.rootfs=${HOST_PATH}

      - --path.sysfs=${HOST_PATH}/sys

      - --path.procfs=${HOST_PATH}/proc

      - --collector.textfile.directory=${CONFIG_PATH}

      - --collector.filesystem.ignored-mount-points=^/(sys|proc|dev|etc)($$|/)

      - --collector.filesystem.mount-points-exclude=^/(${MOUNT_POINTS_EXCLUDE})($$|/)

      - --no-collector.ipvs

    environment:

      CONFIG_PATH:

      NODE_ID: '{{.Node.ID}}'

      NODE_NAME: '{{.Node.Hostname}}'

    networks:

      metric-net:

    volumes:

      - /:${HOST_PATH}:ro

      - /etc/hostname:${CONFIG_PATH}/nodename:ro

      - /:${HOST_PATH}:ro,rslave

    configs:

      - source: entrypoint-config

        target: ${CONFIG_PATH}/entrypoint.sh

        mode: 0555

    healthcheck:

      test: wget --spider -q http://127.0.0.1:${PORT}

      interval: ${HEALTHCHECK_INTERVAL:-30s}

      timeout: ${HEALTHCHECK_TIMEOUT:-10s}

      retries: ${HEALTHCHECK_RETRIES:-10}

      start_period: ${HEALTHCHECK_START_PERIOD:-1m}

    deploy:

      mode: global

      restart_policy:

        delay: ${RESTART_DELAY:-10s}

        delay: ${RESTART_DELAY:-5s}

      update_config:

        delay: ${UPDATE_DELAY:-30s}

        delay: ${UPDATE_DELAY:-0s}

      resources:

        limits:

          cpus: '${RESOURCES_LIMITS_CPUS:-0.1}'

          cpus: '${RESOURCES_LIMITS_CPUS:-0.5}'

          memory: ${RESOURCES_LIMITS_MEMORY:-32M}

        reservations:

          cpus: '${RESOURCES_RESERVATIONS_CPUS:-0.001}'

deploy/config/entrypoint.sh

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#!/bin/sh



nodeName=$(cat "${CONFIG_PATH}/nodename")



echo "node_meta{\

node_id=\"${NODE_ID}\",\

container_label_com_docker_swarm_node_id=\"${NODE_ID}\",\

node_name=\"${nodeName}\"\

node_name=\"${NODE_NAME}\"\

} 1" > "${CONFIG_PATH}/node-meta.prom"



set -- /bin/node_exporter "${@}"