1 files changed, 53 insertions, 0 deletions
diff --git a/worker/executor/pipeline.ts b/worker/executor/pipeline.ts
new file mode 100644
index 0000000..a1aa7c3
--- /dev/null
+++ b/worker/executor/pipeline.ts
@@ -0,0 +1,53 @@
+import {
+  Either,
+  type IEither,
+  type ITraceable,
+  type LogMetricTraceSupplier,
+  Metric,
+  TraceUtil,
+} from "@emprespresso/pengueno";
+import type { Job, JobArgT, Pipeline } from "@emprespresso/ci-model";
+import { executeJob } from "./mod.ts";
+
+const pipelinesMetric = Metric.fromName("pipelines");
+export const executePipeline = (
+  tPipeline: ITraceable<Pipeline, LogMetricTraceSupplier>,
+  baseEnv?: JobArgT,
+): Promise<IEither<Error, void>> =>
+  tPipeline.bimap(TraceUtil.withFunctionTrace(executePipeline))
+    .bimap(TraceUtil.withMetricTrace(pipelinesMetric))
+    .map(async (tJobs): Promise<IEither<Error, void>> => {
+      for (const [i, serialStage] of tJobs.get().serialJobs.entries()) {
+        tJobs.trace.trace(
+          `executing stage ${i}. do your best little stage :>\n${serialStage}`,
+        );
+        const jobResults = await Promise.all(
+          serialStage.parallelJobs.map((job) =>
+            tJobs.bimap((_) => [job, `stage ${i}`])
+              .map((tJob) =>
+                <Job> ({
+                  ...tJob.get(),
+                  arguments: { ...baseEnv, ...tJob.get().arguments },
+                })
+              )
+              .map(executeJob)
+              .peek(
+                TraceUtil.promiseify((tEitherJobOutput) =>
+                  tEitherJobOutput.get().mapRight((stdout) =>
+                    tEitherJobOutput.trace.addTrace("STDOUT").trace(stdout)
+                  )
+                ),
+              )
+              .get()
+          ),
+        );
+        const failures = jobResults.filter((e) => e.fold((err) => !!err));
+        if (failures.length > 0) {
+          tJobs.trace.trace(pipelinesMetric.failure);
+          return Either.left(new Error(failures.toString()));
+        }
+      }
+      tJobs.trace.trace(pipelinesMetric.success);
+      return Either.right(undefined);
+    })
+    .get();