Hướng dẫn cài đặt Prometheus - Thanos

 Hướng dẫn cài đặt Prometheus - Thanos

https://docs.google.com/spreadsheets/d/19ZgrxAeX9V98NWh2qDuXVk-jjsebnPFmRF1_ltcaehA/edit#gid=82262140

1/ Cài đặt prometheus

vi /etc/systemd/system/prometheus.service

------------------------

[Unit]

Description=Prometheus

Wants=network-online.target

After=network-online.target

[Service]

User=prometheus

Group=prometheus

Restart=always

Type=simple

ExecStart=/usr/local/bin/prometheus \

    --config.file=/etc/prometheus/prometheus.yml \

    --storage.tsdb.path=/var/lib/prometheus/ \

    --web.console.templates=/etc/prometheus/consoles \

    --web.console.libraries=/etc/prometheus/console_libraries \

    --storage.tsdb.retention.time=90d \

    --storage.tsdb.max-block-duration=1d \

    --storage.tsdb.min-block-duration=1d \

    --web.listen-address=0.0.0.0:9090

[Install]

WantedBy=multi-user.target

------------------------

vi /etc/prometheus/prometheus.yml

------------------------

global:

  scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.

  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.

  external_labels:

    cluster: aws-merito-ireland

scrape_configs:

  - job_name: 'prometheus'

    scrape_interval: 5s

    static_configs:

      - targets: ['localhost:9090']

  - job_name: 'sidecar'

    static_configs:

      - targets: ["localhost:10902"]

  - job_name: 'node-exporter-merito-stg'

    ec2_sd_configs:

      - region: eu-west-1

        access_key: AKIAXDSUJQAE7TFZBEWL

        secret_key: yOIM7y4EtMcDlY1Rzq4OCy8Y/O/mSE2br2O0c524

        port: 9100

    relabel_configs:

      - source_labels: [__meta_ec2_tag_project]

        target_label: project

      - source_labels: [__meta_ec2_tag_role]

        target_label: role

      - source_labels: [__meta_ec2_tag_Name]

        target_label: instance

      - source_labels: [__meta_ec2_tag_set]

        target_label: set

      - source_labels: [__meta_ec2_tag_env]

        target_label: env

      - source_labels: [__meta_ec2_tag_env]

        regex: stg

        action: keep

      - replacement: "server"

        target_label: "type"

        action: "replace"

------------------------

NOTE: Để AWS EC2 discovery hoạt động thì phải cài thêm AWS CLI theo link này 

https://docs.google.com/spreadsheets/d/1vRoaPLxEqAlxGNGzG6-TSc2AG9OW_OhorqeD59mVYCE/edit#gid=1494514222

2/ Cài đặt Thanos_Sidecar

wget https://github.com/thanos-io/thanos/releases/download/v0.27.0/thanos-0.27.0.linux-amd64.tar.gz

tar -xvf thanos-0.27.0.linux-amd64.tar.gz

cp thanos-0.27.0.linux-amd64/thanos /bin/

vi /etc/systemd/system/sidecar.service

-----------------------------------

[Unit] Description=Thanos Sidecar After=network-online.target [Service] User=root Restart=on-failure ExecStart=/bin/thanos sidecar \ --tsdb.path=/var/lib/prometheus/ \ --prometheus.url=http://localhost:9090 \ --objstore.config-file=/etc/prometheus/bucket.yml \ --grpc-address="0.0.0.0:10901" \ --http-address="0.0.0.0:10902" [Install] WantedBy=multi-user.target

-------------------------------

systemctl status sidecar

systemctl start sidecar

systemctl enable sidecar

vi /etc/prometheus/bucket.yml

-------------------------------

type: s3

config: bucket: paltech-system-backup endpoint: s3.eu-west-1.amazonaws.com access_key: AKIAXDSUJQAESBITVNPX secret_key: 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 prefix: "palprometheus/pal-vcenter-vm/"

-------------------------------