42 lines
1.2 KiB
Text
42 lines
1.2 KiB
Text
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# Type contracts for NATS-triggered pipelines
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#
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# A NatsPipeline binds a NATS subject (with optional wildcards) to an
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# ordered list of steps. `pipeline_type` must be "nats".
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#
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# Validate:
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# nickel export --format json --import-path site/nickel site/config/pipelines.ncl
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let C = import "pipelines/contracts.ncl" in
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let OneOf = fun allowed =>
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std.contract.from_predicate (fun v => std.array.elem v allowed)
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in
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let NonEmpty = std.contract.from_predicate (fun s =>
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std.is_string s && std.string.length s > 0)
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in
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{
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NatsPipeline = {
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pipeline_type | OneOf ["nats"]
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| doc "Discriminator — must be \"nats\" for this contract.",
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name | String | NonEmpty
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| doc "Human-readable identifier used in log output.",
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subject | String | NonEmpty
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| doc "Raw NATS subject (e.g. 'evol.website.prod.content.published').
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Wildcards (* and >) are valid per NATS subject syntax.",
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steps | Array C.PipelineStep
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| doc "Ordered actions executed sequentially on each message."
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| default = [],
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},
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NatsPipelinesFile = {
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pipelines | Array NatsPipeline
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| doc "List of NATS-triggered pipelines defined in this file."
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| default = [],
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},
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}
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