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git.stella-ops.org/docs/examples/policies/internal-only.stella
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Add Policy DSL Validator, Schema Exporter, and Simulation Smoke tools
- Implemented PolicyDslValidator with command-line options for strict mode and JSON output.
- Created PolicySchemaExporter to generate JSON schemas for policy-related models.
- Developed PolicySimulationSmoke tool to validate policy simulations against expected outcomes.
- Added project files and necessary dependencies for each tool.
- Ensured proper error handling and usage instructions across tools.
2025-10-27 08:00:11 +02:00

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policy "Internal Only Policy" syntax "stella-dsl@1" {
metadata {
description = "Lenient policy for internal / dev tenants."
tags = ["internal","dev"]
}
profile severity {
env exposure_adjustments {
if env.exposure == "internal" then -0.4
if env.stage == "dev" then -0.6
}
}
rule block_kev priority 1 {
when advisory.has_tag("kev")
then status := "blocked"
because "Known exploited vulnerabilities must be remediated."
}
rule allow_medium_with_warning {
when severity.normalized == "Medium"
and env.exposure == "internal"
then warn message "Medium severity permitted in internal environments."
because "Allow Medium findings with warning for internal workloads."
}
rule accept_vendor_vex {
when vex.any(status in ["not_affected","fixed"])
then status := vex.status
annotate justification := vex.latest().justification
because "Trust vendor VEX statements for internal scope."
}
rule quiet_low_priority {
when severity.normalized <= "Low"
then ignore until "2026-01-01T00:00:00Z"
because "Quiet low severity until next annual remediation sweep."
}
}