tencent cloud


CVM Node Exporter

Last updated: 2024-01-29 15:55:08
    This document describes how to install Node Exporter to expose CVM basic metrics to TMP.


    Step 1. Download and install Node Exporter

    Download and install Node Exporter (used to collect basic metric data) in the target CVM instance. Click here or run the following command for download:
    wget https://github.com/prometheus/node_exporter/releases/download/v1.3.1/node_exporter-1.3.1.linux-amd64.tar.gz && tar -xvf node_exporter-1.3.1.linux-amd64.tar.gz
    The file directory is as follows:

    Step 2. Run Node Exporter to collect basic monitoring data

    1. Go to the target folder and run Node Exporter.
    cd node_exporter-1.3.1.linux-amd64
    If the following result is displayed, basic monitoring data has been collected successfully.
    2. Run the following command to expose the basic monitoring data to port 9100:
    You can see the following metric monitoring data that is exposed after the command is executed.

    Step 3. Configure the collection

    Log in to the TMP console, select Integration Center > CVM, and configure the information in Task Configuration as prompted. Below is a sample configuration of a scrape task:
    job_name: example-job-name
    metrics_path: /metrics
    - region: ap-guangzhou
    - 9100
    - name: tag: Sample tag key
    - Sample tag value
    - source_labels: [__meta_cvm_instance_state]
    regex: RUNNING
    action: keep
    - regex: __meta_cvm_tag_(.*)
    replacement: $1
    action: labelmap
    - source_labels: [__meta_cvm_region]
    target_label: region
    action: replace

    Step 4. Check whether data is reported successfully

    Log in to the TMP console and click the Grafana icon to enter Grafana. Search for {job="cvm_node_exporter"} in Explore to see whether there is data, and if so, data is reported successfully.

    Step 5. Configure the dashboard

    Every product has some existing JSON files that can be directly imported into the dashboard.
    1. Download a dashboard file: Go to the Dashboard page, search for node_exporter, and select the latest dashboard for download.
    2. Import a JSON file into the dashboard: Log in to the TMP console, select Basic Info > Grafana Address to enter Grafana. In the Grafana console, select Create > Import and upload the dashboard file in Upload JSON file.
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