Build server prototype (integration with GitHub / NuGet / etc)
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micro-build-server/BuildServer/lib/commenter.js

193 lines
6.8 KiB

"use strict";
const fs = require("fs");
const _ = require("underscore");
const settings = require("../settings");
const featureNamePattern = /^feature-(\d+)(?:-[a-zA-Z0-9]+)+$/;
const versionNamePattern = /^v\d+(\.\d+)*$/;
const masterNamePattern = /^master$/;
const writeComment = (options, message, callback) => options.github.issues.createComment({
user: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
number: options.number,
body: message
}, callback);
const closePullRequest = (options, message, callback) => writeComment(options, message, (err) => {
if (err) {
return callback(err);
}
return options.github.issues.edit({
user: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
number: options.number,
state: "closed"
}, callback);
});
const checkHasIssue = (options, issueNumber, callback) => options.github.issues.getRepoIssue({
user: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
number: issueNumber
}, (err, result) => {
if (err && err.code !== 404) {
return callback(err);
}
if (err || result.number.toString() !== issueNumber) {
return callback(undefined, false);
}
if (result.pull_request && result.pull_request.url) {
return callback(undefined, false);
}
return callback(undefined, true, result.title);
});
const checkHasReleases = (options, callback) => options.github.releases.listReleases({
owner: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
per_page: 1
}, (err, result) => {
if (err) {
return callback(err);
}
return callback(undefined, result && result.length);
});
const checkPullRequest = (options, callback) => {
const head = options.headRepoOptions;
const base = options.baseRepoOptions;
if (head.reponame !== base.reponame) {
return closePullRequest(options, "Base and head repository names should match", callback);
}
if (head.owner === base.owner) {
if (!versionNamePattern.test(head.branchname) || !masterNamePattern.test(base.branchname)) {
return closePullRequest(options, "Only merging from version to master is allowed", callback);
}
return checkHasReleases(options, (err, hasReleases) => {
if (err) {
return writeComment(options, "Unable to check for releases", callback);
}
if (!hasReleases) {
return closePullRequest(options, "Merging from version to master is only allowed for repositories with releases", callback);
}
if (options.action === "opened") {
return writeComment(options, "Switching master branch to " + head.branchname + " release", callback);
}
return process.nextTick(callback);
});
}
if (!featureNamePattern.test(head.branchname)) {
return closePullRequest(options, "Only merging from feature branch is allowed (pattern: `" + featureNamePattern.toString() + "`)", callback);
}
if (!versionNamePattern.test(base.branchname) && !masterNamePattern.test(base.branchname)) {
return closePullRequest(options, "Only merging to master or version branch is allowed; merging to '" + base.branchname + "' is not supported", callback);
}
const issueNumber = featureNamePattern.exec(head.branchname)[1];
return checkHasIssue(options, issueNumber, (err, hasIssue, issueTitle) => {
if (err) {
return writeComment(options, "Unable to check for issue:\r\n\r\n" + err.message, callback);
}
if (!hasIssue) {
return closePullRequest(options, "Unable to find issue #" + issueNumber, callback);
}
const shouldHaveReleases = versionNamePattern.test(base.branchname);
return checkHasReleases(options, (err, hasReleases) => {
if (err) {
return writeComment(options, "Unable to check for releases", callback);
}
if (shouldHaveReleases && !hasReleases) {
return closePullRequest(options, "Merging from feature to version is only allowed for repositories with releases", callback);
}
if (!shouldHaveReleases && hasReleases) {
return closePullRequest(options, "Merging from feature to master is only allowed for repositories without releases", callback);
}
if (options.action === "opened") {
return writeComment(options, "Merging feature #" + issueNumber + " (" + issueTitle + ") to " + base.branchname + (shouldHaveReleases ? " release" : ""), callback);
}
return process.nextTick(callback);
});
});
};
const getStatusMessageFromRelease = (app, options, callback) => {
const releaseDir = app.get("releasepath") + "/" + options.owner + "/" + options.reponame + "/" + options.branch + "/" + options.rev;
const reportFile = releaseDir + "/report.json";
options.attemptsGetReport = (options.attemptsGetReport || 0) + 1;
fs.exists(reportFile, (exists) => {
if (!exists) {
return fs.exists(releaseDir, (dirExists) => {
if (!dirExists) {
return callback("Release directory not found. Probably repository hooks are not configured");
}
if (options.attemptsGetReport > 100) {
return callback("Report file not found");
}
//maybe it is building right now
return setTimeout(() => getStatusMessageFromRelease(app, options, callback), 10000);
});
}
return setTimeout(() => fs.readFile(reportFile, (err, dataBuffer) => {
if (err) {
return callback(err);
}
const data = dataBuffer.toString();
if (!data) {
return callback("Report file not found");
}
const report = JSON.parse(data);
if (report.result === "MBSNotFound") {
return callback("mbs.json is not found");
}
if (report.result && ((report.result.errors || {}).$allMessages || []).length + ((report.result.warns || {}).$allMessages || []).length > 0) {
return callback(_.map(
(report.result.errors || {}).$allMessages || [], (message) => "ERR: " + message.message
).concat(_.map(
(report.result.warns || {}).$allMessages || [], (message) => "WARN: " + message.message
)).join("\r\n"));
}
if (!report.result || report.err) {
return callback("CRITICAL ERROR: " + report.err);
}
if ((report.result.infos.$allMessages || []).length > 0) {
return callback(undefined, report.result.infos.$allMessages[report.result.infos.$allMessages.length-1].message);
}
return callback(undefined, "OK");
}), 1000);
});
};
exports.commentOnPullRequest = (options, callback) => {
options.github = settings.createGithub(options.baseRepoOptions.owner);
return checkPullRequest(options, (err, successMessage) => getStatusMessageFromRelease(options.app, options.headRepoOptions, (err, successMessage) => {
const message = err ? ("Was not built:\r\n\r\n```\r\n" + err.replace(/```/g, "` ` `") + "\r\n```\r\n\r\nDO NOT MERGE!") : ("Build OK\r\n\r\n" + successMessage);
const statusUrlMessage = "Build status URL: " + settings.siteRoot + "status/" + options.headRepoOptions.owner + "/" + options.headRepoOptions.reponame + "/" + options.headRepoOptions.rev + "\r\n\r\n";
return writeComment(options, message + "\r\n\r\n" + statusUrlMessage, callback);
}));
};