@aws-cdk-testing/cli-integ
Version:
Integration tests for the AWS CDK CLI
146 lines • 19.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const fs_1 = require("fs");
const os = require("os");
const path = require("path");
const integ_test_1 = require("../../../lib/integ-test");
const proxy_1 = require("../../../lib/proxy");
const with_cdk_app_1 = require("../../../lib/with-cdk-app");
const docker = process.env.CDK_DOCKER ?? 'docker';
(0, integ_test_1.integTest)('all calls from isolated container go through proxy', (0, with_cdk_app_1.withDefaultFixture)(async (fixture) => {
// Find the 'cdk' command and make sure it is mounted into the container
const cdkFullpath = (await fixture.shell(['which', 'cdk'])).trim();
let cdkTop = findMountableParent(cdkFullpath);
// Run a 'cdk deploy' inside the container
const commands = [
`env ${renderEnv(fixture.cdkShellEnv())} ${cdkFullpath} ${fixture.cdkDeployCommandLine('test-2').join(' ')} -v`,
];
await runInIsolatedContainer(fixture, [cdkTop], commands);
}));
async function runInIsolatedContainer(fixture, pathsToMount, testCommands) {
pathsToMount.push(`${process.env.HOME}`, fixture.integTestDir);
// Resolve credential provider to an access key that we can pass into the container
const credentials = await fixture.aws.credentials();
const proxy = await (0, proxy_1.startProxyServer)(fixture.integTestDir);
try {
const proxyPort = proxy.port;
const setupCommands = [
'apt-get update -qq',
'apt-get install -qqy nodejs > /dev/null',
...isolatedDockerCommands(proxyPort, proxy.certPath),
];
const scriptName = path.join(fixture.integTestDir, 'script.sh');
// Write a script file
await fs_1.promises.writeFile(scriptName, [
'#!/bin/bash',
'set -x',
'set -eu',
...setupCommands,
...testCommands,
].join('\n'), 'utf-8');
await fs_1.promises.chmod(scriptName, 0o755);
await fixture.ecrPublicLogin();
// Run commands in a Docker shell
await fixture.shell([
docker, 'run', '--net=bridge', '--rm',
...pathsToMount.flatMap(p => ['-v', `${p}:${p}`]),
...['HOME', 'AWS_ACCESS_KEY_ID', 'AWS_SECRET_ACCESS_KEY', 'AWS_SESSION_TOKEN'].flatMap(e => ['-e', e]),
'-w', fixture.integTestDir,
'--cap-add=NET_ADMIN',
'public.ecr.aws/ubuntu/ubuntu:24.04_stable',
`${scriptName}`,
], {
modEnv: {
AWS_ACCESS_KEY_ID: credentials.accessKeyId,
AWS_SECRET_ACCESS_KEY: credentials.secretAccessKey,
AWS_SESSION_TOKEN: credentials.sessionToken,
},
});
}
finally {
await proxy.stop();
}
}
/**
* Return the commands necessary to isolate the inside of the container from the internet,
* except by going through the proxy
*/
function isolatedDockerCommands(proxyPort, caBundlePath) {
let defaultBridgeIp = '172.17.0.1';
// The host's default IP is different on CodeBuild than it is on other Docker systems.
if (process.env.CODEBUILD_BUILD_ARN) {
defaultBridgeIp = '172.18.0.1';
}
return [
'echo Working...',
'apt-get install -qqy curl net-tools iputils-ping dnsutils iptables > /dev/null',
'',
// Looking up `host.docker.internal` is necessary on MacOS Finch and Docker Desktop
// on Mac. The magic IP address is necessary on CodeBuild and GitHub Actions.
//
// I tried `--add-host=host.docker.internal:host-gateway` on the Linuxes but
// it doesn't change anything on either GHA or CodeBuild, so we're left with this
// backup solution.
'gateway=$(dig +short host.docker.internal)',
'if [[ -z "$gateway" ]]; then',
` gateway=${defaultBridgeIp}`,
'fi',
'',
'# Some iptables manipulation; there might be unnecessary commands in here, not an expert',
'iptables -F',
'iptables -X',
'iptables -P INPUT DROP',
'iptables -P OUTPUT DROP',
'iptables -P FORWARD DROP',
'iptables -A INPUT -i lo -j ACCEPT',
'iptables -A OUTPUT -o lo -j ACCEPT',
'iptables -A OUTPUT -d $gateway -j ACCEPT',
'iptables -A INPUT -s $gateway -j ACCEPT',
'',
'',
`if [[ ! -f ${caBundlePath} ]]; then`,
` echo "Could not find ${caBundlePath}, this will probably not go well. Exiting." >&2`,
' exit 1',
'fi',
'',
'# Configure a bunch of tools to work with the proxy',
'echo "+-------------------------------------------------------------------------------------+"',
'echo "| Direct network traffic has been blocked, everything must go through the proxy. |"',
'echo "+-------------------------------------------------------------------------------------+"',
`export HTTP_PROXY=http://$gateway:${proxyPort}/`,
`export HTTPS_PROXY=http://$gateway:${proxyPort}/`,
`export NODE_EXTRA_CA_CERTS=${caBundlePath}`,
`export AWS_CA_BUNDLE=${caBundlePath}`,
`export SSL_CERT_FILE=${caBundlePath}`,
'echo "Acquire::http::proxy \"$HTTP_PROXY\";" >> /etc/apt/apt.conf.d/95proxies',
'echo "Acquire::https::proxy \"$HTTPS_PROXY\";" >> /etc/apt/apt.conf.d/95proxies',
];
}
function renderEnv(env) {
return Object.entries(env).filter(([_, v]) => v).map(([k, v]) => `${k}='${v}'`).join(' ');
}
/**
* Find a broadly mountable parent of the given directory
*
* We don't want to just mount the top-level directory, because
* it could end up being `/var` (top-level dir of tmpdir on Mac).
*/
function findMountableParent(dir) {
const candidates = [
os.tmpdir(),
process.env.TMPDIR,
process.env.HOME,
];
for (const cand of candidates) {
if (cand === undefined) {
continue;
}
if (dir.startsWith(cand)) {
const suffix = dir.substring(cand.length);
const firstChildDir = suffix.split('/')[0];
return path.join(cand, firstChildDir);
}
}
return dir;
}
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'docker';\n\nintegTest(\n  'all calls from isolated container go through proxy',\n  withDefaultFixture(async (fixture) => {\n    // Find the 'cdk' command and make sure it is mounted into the container\n    const cdkFullpath = (await fixture.shell(['which', 'cdk'])).trim();\n    let cdkTop = findMountableParent(cdkFullpath);\n\n    // Run a 'cdk deploy' inside the container\n    const commands = [\n      `env ${renderEnv(fixture.cdkShellEnv())} ${cdkFullpath} ${fixture.cdkDeployCommandLine('test-2').join(' ')} -v`,\n    ];\n\n    await runInIsolatedContainer(fixture, [cdkTop], commands);\n  }),\n);\n\nasync function runInIsolatedContainer(fixture: TestFixture, pathsToMount: string[], testCommands: string[]) {\n  pathsToMount.push(\n    `${process.env.HOME}`,\n    fixture.integTestDir,\n  );\n\n  // Resolve credential provider to an access key that we can pass into the container\n  const credentials = await fixture.aws.credentials();\n\n  const proxy = await startProxyServer(fixture.integTestDir);\n  try {\n    const proxyPort = proxy.port;\n\n    const setupCommands = [\n      'apt-get update -qq',\n      'apt-get install -qqy nodejs > /dev/null',\n      ...isolatedDockerCommands(proxyPort, proxy.certPath),\n    ];\n\n    const scriptName = path.join(fixture.integTestDir, 'script.sh');\n\n    // Write a script file\n    await fs.writeFile(scriptName, [\n      '#!/bin/bash',\n      'set -x',\n      'set -eu',\n      ...setupCommands,\n      ...testCommands,\n    ].join('\\n'), 'utf-8');\n\n    await fs.chmod(scriptName, 0o755);\n\n    await fixture.ecrPublicLogin();\n\n    // Run commands in a Docker shell\n    await fixture.shell([\n      docker, 'run', '--net=bridge', '--rm',\n      ...pathsToMount.flatMap(p => ['-v', `${p}:${p}`]),\n      ...['HOME', 'AWS_ACCESS_KEY_ID', 'AWS_SECRET_ACCESS_KEY', 'AWS_SESSION_TOKEN'].flatMap(e => ['-e', e]),\n      '-w', fixture.integTestDir,\n      '--cap-add=NET_ADMIN',\n      'public.ecr.aws/ubuntu/ubuntu:24.04_stable',\n      `${scriptName}`,\n    ], {\n      modEnv: {\n        AWS_ACCESS_KEY_ID: credentials.accessKeyId,\n        AWS_SECRET_ACCESS_KEY: credentials.secretAccessKey,\n        AWS_SESSION_TOKEN: credentials.sessionToken,\n      },\n    });\n  } finally {\n    await proxy.stop();\n  }\n}\n\n/**\n * Return the commands necessary to isolate the inside of the container from the internet,\n * except by going through the proxy\n */\nfunction isolatedDockerCommands(proxyPort: number, caBundlePath: string) {\n  let defaultBridgeIp = '172.17.0.1';\n\n  // The host's default IP is different on CodeBuild than it is on other Docker systems.\n  if (process.env.CODEBUILD_BUILD_ARN) {\n    defaultBridgeIp = '172.18.0.1';\n  }\n\n  return [\n    'echo Working...',\n    'apt-get install -qqy curl net-tools iputils-ping dnsutils iptables > /dev/null',\n    '',\n    // Looking up `host.docker.internal` is necessary on MacOS Finch and Docker Desktop\n    // on Mac. The magic IP address is necessary on CodeBuild and GitHub Actions.\n    //\n    // I tried `--add-host=host.docker.internal:host-gateway` on the Linuxes but\n    // it doesn't change anything on either GHA or CodeBuild, so we're left with this\n    // backup solution.\n    'gateway=$(dig +short host.docker.internal)',\n    'if [[ -z \"$gateway\" ]]; then',\n    `  gateway=${defaultBridgeIp}`,\n    'fi',\n    '',\n    '# Some iptables manipulation; there might be unnecessary commands in here, not an expert',\n    'iptables -F',\n    'iptables -X',\n    'iptables -P INPUT DROP',\n    'iptables -P OUTPUT DROP',\n    'iptables -P FORWARD DROP',\n    'iptables -A INPUT -i lo -j ACCEPT',\n    'iptables -A OUTPUT -o lo -j ACCEPT',\n    'iptables -A OUTPUT -d $gateway -j ACCEPT',\n    'iptables -A INPUT -s $gateway -j ACCEPT',\n    '',\n    '',\n    `if [[ ! -f ${caBundlePath} ]]; then`,\n    `    echo \"Could not find ${caBundlePath}, this will probably not go well. Exiting.\" >&2`,\n    '    exit 1',\n    'fi',\n    '',\n    '# Configure a bunch of tools to work with the proxy',\n    'echo \"+-------------------------------------------------------------------------------------+\"',\n    'echo \"|  Direct network traffic has been blocked, everything must go through the proxy.     |\"',\n    'echo \"+-------------------------------------------------------------------------------------+\"',\n    `export HTTP_PROXY=http://$gateway:${proxyPort}/`,\n    `export HTTPS_PROXY=http://$gateway:${proxyPort}/`,\n    `export NODE_EXTRA_CA_CERTS=${caBundlePath}`,\n    `export AWS_CA_BUNDLE=${caBundlePath}`,\n    `export SSL_CERT_FILE=${caBundlePath}`,\n    'echo \"Acquire::http::proxy \\\"$HTTP_PROXY\\\";\" >> /etc/apt/apt.conf.d/95proxies',\n    'echo \"Acquire::https::proxy \\\"$HTTPS_PROXY\\\";\" >> /etc/apt/apt.conf.d/95proxies',\n  ];\n}\n\nfunction renderEnv(env: Record<string, string | undefined>) {\n  return Object.entries(env).filter(([_, v]) => v).map(([k, v]) => `${k}='${v}'`).join(' ');\n}\n\n/**\n * Find a broadly mountable parent of the given directory\n *\n * We don't want to just mount the top-level directory, because\n * it could end up being `/var` (top-level dir of tmpdir on Mac).\n */\nfunction findMountableParent(dir: string): string {\n  const candidates = [\n    os.tmpdir(),\n    process.env.TMPDIR,\n    process.env.HOME,\n  ];\n  for (const cand of candidates) {\n    if (cand === undefined) {\n      continue;\n    }\n\n    if (dir.startsWith(cand)) {\n      const suffix = dir.substring(cand.length);\n      const firstChildDir = suffix.split('/')[0];\n\n      return path.join(cand, firstChildDir);\n    }\n  }\n  return dir;\n}\n"]}