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chore: import upstream snapshot with attribution
2026-07-13 12:22:54 +08:00

51 lines
2.1 KiB
Go

// Copyright (c) 2026 Lark Technologies Pte. Ltd.
// SPDX-License-Identifier: MIT
package platform
// FailurePolicy controls what the framework does when a plugin's install
// stage fails (Capabilities() panics, Install returns error, etc.).
type FailurePolicy int
const (
// FailOpen (default) — log a warning and skip THIS plugin; the rest
// of the CLI keeps running. Appropriate for pure-observer plugins
// where missing audit data is preferable to a broken CLI.
FailOpen FailurePolicy = iota
// FailClosed — abort the entire CLI startup. Required for any
// plugin that contributes Restrict() (a missing policy plugin =
// missing security boundary) or that owns any safety-sensitive
// concern. Enforced by the framework: Capabilities.Restricts=true
// must pair with FailurePolicy=FailClosed.
FailClosed
)
// Capabilities declares the plugin's self-description. Plugin.Capabilities
// MUST be implemented even when every field would be its zero value --
// the requirement keeps FailurePolicy / Restricts visible to the author
// at the moment they write the plugin, preventing the "I just want to
// add an audit observer" mistake of accidentally shipping a policy
// plugin with the default FailOpen.
type Capabilities struct {
// RequiredCLIVersion is a semver constraint (e.g. ">=1.1.0").
// Plugins that need a specific framework feature should declare
// the minimum version they tested against; the host fails the
// install when the running CLI is older. Empty string means "no
// version requirement".
RequiredCLIVersion string
// Restricts declares whether Install will call r.Restrict(). The
// framework enforces consistency: declaring Restricts=true and
// then NOT calling r.Restrict (or vice versa) aborts the install
// with the `restricts_mismatch` reason_code. This pre-flight
// declaration also lets `config policy show` introspect "which
// plugins are policy plugins" without running them.
Restricts bool
// FailurePolicy decides what happens on install failure. See the
// constants above; the framework requires FailClosed whenever
// Restricts=true.
FailurePolicy FailurePolicy
}