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* chore: declare GreptimeDB Enterprise License for enterprise-gated sources The `enterprise`-feature-gated sources (triggers, mito2 extension) were excluded from the Apache-2.0 header check but carried no license of their own. Declare a separate GreptimeDB Enterprise License and enforce it. - Add LICENSE-ENTERPRISE (open-core split; core stays Apache-2.0). - Add an Enterprise License header to each enterprise source file. - Add licenserc-enterprise.toml and a second hawkeye step in CI to enforce the Enterprise header on exactly those files. - Cross-reference the two complementary file lists; document the layout in licenses/README.md and the README License section. Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * chore: reference per-customer Enterprise Agreement instead of a terms URL There is no public enterprise-terms page; each customer signs an individually negotiated agreement. Point the license at a "separate written commercial agreement with GrepTime Inc." and direct readers to the existing contact page. Signed-off-by: Dennis Zhuang <killme2008@gmail.com> --------- Signed-off-by: Dennis Zhuang <killme2008@gmail.com>
37 lines
1.6 KiB
Markdown
37 lines
1.6 KiB
Markdown
# Licensing
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GreptimeDB is an open-core project with a dual-license layout.
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| Scope | License | Where it's declared |
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| --- | --- | --- |
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| Core (default build) | Apache-2.0 | [`/LICENSE`](../LICENSE); per-file Apache header enforced by [`/licenserc.toml`](../licenserc.toml) |
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| Enterprise features | GreptimeDB Enterprise License | [`/LICENSE-ENTERPRISE`](../LICENSE-ENTERPRISE); per-file Enterprise header enforced by [`/licenserc-enterprise.toml`](../licenserc-enterprise.toml) |
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Enterprise sources are gated behind the `enterprise` Cargo feature and are **not**
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compiled into the default open-source build. Each one carries an explicit
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Enterprise License header generated from [`enterprise-header.txt`](enterprise-header.txt).
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## How it's enforced
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CI (`license-header-check` in `.github/workflows/develop.yml`) runs
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[hawkeye](https://github.com/korandoru/hawkeye) twice:
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1. Default config — applies the Apache-2.0 header to all sources, **excluding**
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the enterprise files.
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2. `licenserc-enterprise.toml` — applies the Enterprise header to **only** the
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enterprise files.
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The two file lists are complementary and must stay in sync:
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- `licenserc.toml` `excludes` — the `# enterprise` block.
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- `licenserc-enterprise.toml` `includes`.
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## Adding a new enterprise file
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1. Add its path to **both** lists above.
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2. Apply the header: `hawkeye format --config licenserc-enterprise.toml`.
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3. Verify: `hawkeye check --config licenserc-enterprise.toml`.
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Do not put an Apache-2.0 header on an enterprise file, and do not leave an
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enterprise file without a header — CI fails in both cases.
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