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Prometheus

Overview​

Prometheus is available as an add-on within Ankra's platform, providing an open-source monitoring and alerting toolkit designed for reliability and scalability. Prometheus allows you to collect and query metrics, visualize them, and set up alerts based on the collected data.

Configuration Options​

The Prometheus add-on offers configurable inputs that allow you to customize the deployment based on your organization's needs. Below are the available inputs:

Inputs​

  • Helm Chart Version
    This input sets the version of the Prometheus Helm chart to deploy.

    • Default: 57.2.0
    • Options:
      • 57.2.0 (default)

    Example:

    helm_chart_version: "57.2.0"

  • Slack Webhook URL
    This input defines the Slack webhook URL for sending alerts. Populate this if you want to enable Slack alerting.

    • Default: ""

    Example:

    slack_webhook_url: "https://hooks.slack.com/services/your/slack/webhook"

  • Persistence Enabled
    This input allows you to enable or disable persistent storage for Prometheus.

    • Default: true
    • Options:
      • true (default)
      • false

    Example:

    persistence_enabled: "true"

  • Storage Class
    This input specifies the storage class for the Prometheus persistent storage.

    • Default: ebs-sc
    • Options:
      • ebs-sc (default)
      • ""

    Example:

    storage_class: "ebs-sc"

  • Storage Size
    This input sets the size of the storage to use for Prometheus.

    • Default: 50Gi

    Example:

    storage_size: "50Gi"

Usage​

Deploying Prometheus​

To deploy Prometheus in your Kubernetes cluster using Ankra, follow these steps:

  1. Access the Add-ons Section
    In Ankra's platform, navigate to the Add-ons section and select Prometheus from the list of available add-ons.

  2. Configure Inputs
    You will be prompted to configure the following inputs:

    • Helm Chart Version: Set the version of the Prometheus Helm chart to install.
    • Slack Webhook URL: Enter the Slack webhook URL for alerting.
    • Persistence Enabled: Enable or disable persistent storage.
    • Storage Class: Set the storage class for persistent storage.
    • Storage Size: Define the storage size for Prometheus.

    Example configuration:

    helm_chart_version: "57.2.0"
    slack_webhook_url: "https://hooks.slack.com/services/your/slack/webhook"
    persistence_enabled: "true"
    storage_class: "ebs-sc"
    storage_size: "50Gi"

  3. Access
    You can gain access from the URL you have provided during setup. You can get started with the admin account by extracting the admin-credentials secret and decode the secret data. Additionally Grafana is automatically configured to this prometheus. Access The data via Grafana dashboards.