59 lines
2.2 KiB
Text
59 lines
2.2 KiB
Text
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use ../../workspace/notation.nu [get-workspace-path]
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use tools/nickel/process.nu [ncl-eval]
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# Resolve the provisioning root directory for --import-path.
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def dag-provisioning-root [] : nothing -> string {
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$env.PROVISIONING? | default "/usr/local/provisioning"
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}
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# Export a Nickel file and parse as JSON, returning Err on non-zero exit.
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def dag-nickel-export [path: string] : nothing -> record {
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let prov = (dag-provisioning-root)
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ncl-eval $path [$prov]
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}
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# Load the DAG execution config for a workspace.
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#
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# Resolution order:
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# 1. `provisioning/schemas/config/dag/main.ncl` — base defaults (execution, resolution, events)
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# 2. `{workspace_root}/infra/{infra}/dag.ncl` — workspace composition; top-level keys override defaults
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#
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# The workspace dag.ncl is a WorkspaceComposition — it is intentionally included here so that
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# workspace-level overrides to execution/resolution/events blocks (if present) propagate.
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# If the workspace dag.ncl has no such keys, the merge is a no-op for those fields.
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#
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# Returns a record with at minimum: execution, resolution, events.
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export def get-dag-config [
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workspace?: string # Workspace name; if omitted uses PROVISIONING root defaults only
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--infra (-i): string = "wuji" # Infra sub-directory name
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] : nothing -> record {
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let prov = (dag-provisioning-root)
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let defaults_path = ($prov | path join "schemas" "config" "dag" "main.ncl")
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if not ($defaults_path | path exists) {
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error make { msg: $"dag config: defaults not found at ($defaults_path)" }
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}
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let defaults = (dag-nickel-export $defaults_path)
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if ($workspace == null) or ($workspace | is-empty) {
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return $defaults
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}
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let ws_root = (get-workspace-path $workspace)
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if ($ws_root | is-empty) {
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error make { msg: $"dag config: workspace '($workspace)' not found in registry" }
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}
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let dag_path = ($ws_root | path join "infra" $infra "dag.ncl")
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if not ($dag_path | path exists) {
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return $defaults
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}
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let ws_dag = (dag-nickel-export $dag_path)
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# Shallow merge: workspace keys (execution, resolution, events) overwrite defaults at top level.
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# Nu 0.110.0+ has no 'merge deep'; top-level block override is the correct granularity here.
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$defaults | merge $ws_dag
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}
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