Install and configure - Wirevow

pip install gitvow-provider-facts
gitvow-provider-facts --store facts.db --service orders ask route_callers /v1/orders

Options

Option	Default	Meaning
`--store PATH`	required	the SQLite fact store
`--repo NAME`	basename of the repository gitvow passes	the `repo` value used in `fact` rows for this repository
`--service NAME`	same as `--repo`	the `dst_service` value used in `edge` rows for calls into this repository
`--gate-file GLOB`	none	repeatable; files that answer `gate_bearing` with `yes`
`--max-age-days N`	14	above this, answers add a staleness warning to the evidence

Wire into gitvow

{
  "providers": [
    {
      "name": "topology",
      "command": "gitvow-provider-facts --store /var/lib/topology/facts.db --repo amnic-orders --service orders --gate-file auth/AuthorizeWhitelistedPaths.java",
      "questions": ["route_gate", "route_callers", "gate_bearing"],
      "timeout": 10
    }
  ]
}

Then test from the repository:

gitvow ask route_gate /export --path src/api/OrdersResource.java
gitvow ask route_callers /v1/orders/{id}

Running the provider by hand

gitvow-provider-facts ... ask <question> <subject> [--path FILE] prints the JSON answer. Without ask it reads a gitvow request on stdin, which is how gitvow calls it.

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