Build server prototype (integration with GitHub / NuGet / etc)
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micro-build-server/BuildServer/lib/tasks/dotnetbuilderwrapper.ts

89 lines
2.8 KiB

"use strict";
import { spawn } from "child_process";
import * as JSONParse from "json-parse-safe";
import { WritableStreamBuffer } from "stream-buffers";
import settings from "../../settings";
const wrapBuilder = (builder, input, onExit) => {
const stdoutPromise = new Promise((resolve, reject) => {
const streamBuffer = new WritableStreamBuffer();
builder.stdout
.on("error", reject)
.pipe(streamBuffer)
.on("error", reject)
.on("finish", () => {
streamBuffer.end();
resolve(streamBuffer.getContentsAsString());
});
});
const stderrPromise = new Promise((resolve, reject) => {
const streamBuffer = new WritableStreamBuffer();
builder.stderr
.on("error", reject)
.pipe(streamBuffer)
.on("error", reject)
.on("finish", () => {
streamBuffer.end();
resolve(streamBuffer.getContentsAsString());
});
});
const builderPromise = new Promise((resolve, reject) => {
builder.stdin.write(input);
builder.stdin.end();
builder.on("exit", resolve);
});
Promise.all([stdoutPromise, stderrPromise, builderPromise]).then((values) => {
const [result, builderError, code] = values;
onExit(code, result, builderError);
}).catch((err) => onExit(0, undefined, err));
};
export default ((params, processor) => () => {
const input = JSON.stringify(params);
const builder = spawn(settings.builderExecutable, [params.command]);
processor.onInfo(`DotNetBuilderWrapper processing (at ${new Date().toISOString()}): ${input}`);
wrapBuilder(builder, input, (code, result, builderError) => {
if (code || builderError) {
processor.onError(`Return code is ${code}\r\n${builderError}`);
return processor.done();
}
const { value, error } = JSONParse(result);
if (error || !value || !value.Messages) {
processor.onError(`Malformed JSON: ${error}`);
processor.onInfo(result);
return processor.done();
}
const messages = value.Messages;
messages.forEach((message) => {
if (!message) {
return processor.onError("Message is null");
}
switch (message.Type) {
case "info":
return processor.onInfo(message.Body);
case "warn":
return processor.onWarn(message.Body);
default:
return processor.onError(message.Body);
}
});
processor.onInfo(`Done DotNetBuilderWrapper processing (at ${new Date().toISOString()})`);
return processor.done();
});
}) as Task;