Create prometheus-grafana-integration-premium

[huoyao1125]

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[ti-chi-bot]

Hi @huoyao1125. Thanks for your PR.

I'm waiting for a pingcap member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces new documentation that guides users through the process of integrating TiDB Cloud with Prometheus and Grafana for monitoring. It clarifies different integration approaches, provides detailed setup instructions, and lists all available metrics, ensuring users can effectively set up external monitoring for their TiDB Cloud clusters.

Highlights

• New Documentation for Prometheus and Grafana Integration: Added a comprehensive guide on how to integrate TiDB Cloud with Prometheus for metric collection and Grafana for visualization.
• Prometheus Integration Versions Clarified: The document distinguishes between cluster-level and legacy project-level Prometheus integrations, providing separate instructions and a deprecation notice for the legacy version.
• Detailed Integration Steps: Outlined step-by-step instructions for obtaining scrape_config files, configuring Prometheus, and importing Grafana dashboards.
• Metric Rotation Best Practices: Included a section on the best practice for rotating scrape_config bearer tokens to enhance data security.
• Comprehensive Metrics List: Provided a detailed table of all available metrics that Prometheus can track for TiDB clusters, including additional metrics specific to cluster-level integration.

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[gemini-code-assist]

Code Review

The pull request introduces a new documentation page detailing the integration of TiDB Cloud with Prometheus and Grafana for monitoring, including steps for configuration, dashboard usage, and metric rotation best practices. Review comments suggest several improvements for consistency with the style guide, including using sentence case for headings, enclosing technical terms and file paths in backticks, improving sentence conciseness and readability, and rephrasing passive voice to active voice for clarity.

[gemini-code-assist]

Technical terms like 'bearer token' should be enclosed in backticks for consistent formatting, as per the style guide.

The `scrape_config` file contains a unique `bearer token` that allows the Prometheus service to monitor your target clusters.

[hfxsd]

/ok-to-test

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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