Extract dockery bits from Cypress' synapsedocker plugin (#9103)

* Extract dockery bits from Cypress' synapsedocker plugin

* Update cypress/plugins/docker/index.ts

Co-authored-by: David Baker <dbkr@users.noreply.github.com>

Co-authored-by: David Baker <dbkr@users.noreply.github.com>
This commit is contained in:
Michael Telatynski 2022-07-27 16:22:14 +01:00 committed by GitHub
parent 8383148373
commit ca1d9729fd
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4 changed files with 183 additions and 76 deletions

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@ -0,0 +1,131 @@
/*
Copyright 2022 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/// <reference types="cypress" />
import * as os from "os";
import * as childProcess from "child_process";
import * as fse from "fs-extra";
import PluginEvents = Cypress.PluginEvents;
import PluginConfigOptions = Cypress.PluginConfigOptions;
// A cypress plugin to run docker commands
export function dockerRun(args: {
image: string;
containerName: string;
params?: string[];
}): Promise<string> {
const userInfo = os.userInfo();
const params = args.params ?? [];
if (userInfo.uid >= 0) {
// On *nix we run the docker container as our uid:gid otherwise cleaning it up its media_store can be difficult
params.push("-u", `${userInfo.uid}:${userInfo.gid}`);
}
return new Promise<string>((resolve, reject) => {
childProcess.execFile('docker', [
"run",
"--name", args.containerName,
"-d",
...params,
args.image,
"run",
], (err, stdout) => {
if (err) reject(err);
resolve(stdout.trim());
});
});
}
export function dockerExec(args: {
containerId: string;
params: string[];
}): Promise<void> {
return new Promise<void>((resolve, reject) => {
childProcess.execFile("docker", [
"exec", args.containerId,
...args.params,
], { encoding: 'utf8' }, err => {
if (err) reject(err);
else resolve();
});
});
}
export async function dockerLogs(args: {
containerId: string;
stdoutFile?: string;
stderrFile?: string;
}): Promise<void> {
const stdoutFile = args.stdoutFile ? await fse.open(args.stdoutFile, "w") : "ignore";
const stderrFile = args.stderrFile ? await fse.open(args.stderrFile, "w") : "ignore";
await new Promise<void>((resolve) => {
childProcess.spawn("docker", [
"logs",
args.containerId,
], {
stdio: ["ignore", stdoutFile, stderrFile],
}).once('close', resolve);
});
if (args.stdoutFile) await fse.close(<number>stdoutFile);
if (args.stderrFile) await fse.close(<number>stderrFile);
}
export function dockerStop(args: {
containerId: string;
}): Promise<void> {
return new Promise<void>((resolve, reject) => {
childProcess.execFile('docker', [
"stop",
args.containerId,
], err => {
if (err) reject(err);
resolve();
});
});
}
export function dockerRm(args: {
containerId: string;
}): Promise<void> {
return new Promise<void>((resolve, reject) => {
childProcess.execFile('docker', [
"rm",
args.containerId,
], err => {
if (err) reject(err);
resolve();
});
});
}
/**
* @type {Cypress.PluginConfig}
*/
export function docker(on: PluginEvents, config: PluginConfigOptions) {
on("task", {
dockerRun,
dockerExec,
dockerLogs,
dockerStop,
dockerRm,
});
}

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@ -21,11 +21,13 @@ import PluginConfigOptions = Cypress.PluginConfigOptions;
import { performance } from "./performance";
import { synapseDocker } from "./synapsedocker";
import { webserver } from "./webserver";
import { docker } from "./docker";
/**
* @type {Cypress.PluginConfig}
*/
export default function(on: PluginEvents, config: PluginConfigOptions) {
docker(on, config);
performance(on, config);
synapseDocker(on, config);
webserver(on, config);

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@ -19,12 +19,12 @@ limitations under the License.
import * as path from "path";
import * as os from "os";
import * as crypto from "crypto";
import * as childProcess from "child_process";
import * as fse from "fs-extra";
import * as net from "net";
import PluginEvents = Cypress.PluginEvents;
import PluginConfigOptions = Cypress.PluginConfigOptions;
import { getFreePort } from "../utils/port";
import { dockerExec, dockerLogs, dockerRun, dockerStop } from "../docker";
// A cypress plugins to add command to start & stop synapses in
// docker with preset templates.
@ -47,16 +47,6 @@ function randB64Bytes(numBytes: number): string {
return crypto.randomBytes(numBytes).toString("base64").replace(/=*$/, "");
}
async function getFreePort(): Promise<number> {
return new Promise<number>(resolve => {
const srv = net.createServer();
srv.listen(0, () => {
const port = (<net.AddressInfo>srv.address()).port;
srv.close(() => resolve(port));
});
});
}
async function cfgDirFromTemplate(template: string): Promise<SynapseConfig> {
const templateDir = path.join(__dirname, "templates", template);
@ -109,37 +99,22 @@ async function synapseStart(template: string): Promise<SynapseInstance> {
console.log(`Starting synapse with config dir ${synCfg.configDir}...`);
const containerName = `react-sdk-cypress-synapse-${crypto.randomBytes(4).toString("hex")}`;
const userInfo = os.userInfo();
let userParams: string[] = [];
if (userInfo.uid >= 0) {
// On *nix we run the docker container as our uid:gid otherwise cleaning it up its media_store can be difficult
userParams = ["-u", `${userInfo.uid}:${userInfo.gid}`];
}
const synapseId = await new Promise<string>((resolve, reject) => {
childProcess.execFile('docker', [
"run",
"--name", containerName,
"-d",
const synapseId = await dockerRun({
image: "matrixdotorg/synapse:develop",
containerName: `react-sdk-cypress-synapse-${crypto.randomBytes(4).toString("hex")}`,
params: [
"--rm",
"-v", `${synCfg.configDir}:/data`,
"-p", `${synCfg.port}:8008/tcp`,
...userParams,
"matrixdotorg/synapse:develop",
"run",
], (err, stdout) => {
if (err) reject(err);
resolve(stdout.trim());
});
],
});
console.log(`Started synapse with id ${synapseId} on port ${synCfg.port}.`);
// Await Synapse healthcheck
await new Promise<void>((resolve, reject) => {
childProcess.execFile("docker", [
"exec", synapseId,
await dockerExec({
containerId: synapseId,
params: [
"curl",
"--connect-timeout", "30",
"--retry", "30",
@ -147,10 +122,7 @@ async function synapseStart(template: string): Promise<SynapseInstance> {
"--retry-all-errors",
"--silent",
"http://localhost:8008/health",
], { encoding: 'utf8' }, (err, stdout) => {
if (err) reject(err);
else resolve();
});
],
});
const synapse: SynapseInstance = { synapseId, ...synCfg };
@ -163,43 +135,18 @@ async function synapseStop(id: string): Promise<void> {
if (!synCfg) throw new Error("Unknown synapse ID");
try {
const synapseLogsPath = path.join("cypress", "synapselogs", id);
await fse.ensureDir(synapseLogsPath);
const synapseLogsPath = path.join("cypress", "synapselogs", id);
await fse.ensureDir(synapseLogsPath);
const stdoutFile = await fse.open(path.join(synapseLogsPath, "stdout.log"), "w");
const stderrFile = await fse.open(path.join(synapseLogsPath, "stderr.log"), "w");
await new Promise<void>((resolve, reject) => {
childProcess.spawn('docker', [
"logs",
id,
], {
stdio: ["ignore", stdoutFile, stderrFile],
}).once('close', resolve);
});
await fse.close(stdoutFile);
await fse.close(stderrFile);
await dockerLogs({
containerId: id,
stdoutFile: path.join(synapseLogsPath, "stdout.log"),
stderrFile: path.join(synapseLogsPath, "stderr.log"),
});
await new Promise<void>((resolve, reject) => {
childProcess.execFile('docker', [
"stop",
id,
], err => {
if (err) reject(err);
resolve();
});
});
} finally {
await new Promise<void>((resolve, reject) => {
childProcess.execFile('docker', [
"rm",
id,
], err => {
if (err) reject(err);
resolve();
});
});
}
await dockerStop({
containerId: id,
});
await fse.remove(synCfg.configDir);
@ -207,7 +154,7 @@ async function synapseStop(id: string): Promise<void> {
console.log(`Stopped synapse id ${id}.`);
// cypress deliberately fails if you return 'undefined', so
// return null to signal all is well and we've handled the task.
// return null to signal all is well, and we've handled the task.
return null;
}

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@ -0,0 +1,27 @@
/*
Copyright 2022 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import * as net from "net";
export async function getFreePort(): Promise<number> {
return new Promise<number>(resolve => {
const srv = net.createServer();
srv.listen(0, () => {
const port = (<net.AddressInfo>srv.address()).port;
srv.close(() => resolve(port));
});
});
}