coder/scripts/remote_playwright.sh

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#!/usr/bin/env bash
set -euo pipefail
workspace=${1:-}
coder_repo=${2:-.}
port=${3:-3111}
if [[ -z "${workspace}" ]]; then
echo "Usage: $0 <workspace> [workspace coder/coder dir] [e2e port]"
exit 1
fi
main() {
# Check the Playwright version from the workspace so we have a 1-to-1 match
# between the current branch and what we're going to run locally. This is
# necessary because Playwright uses their own protocol for communicating
# between the server and client, and the protocol changes between versions.
echo "Checking Playwright version from \"${workspace}\"..."
# shellcheck disable=SC2029 # This is intended to expand client-side.
playwright_version="$(ssh "coder.${workspace}" "cat '${coder_repo}'/site/pnpm-lock.yaml | grep '^ /@playwright/test@' | cut -d '@' -f 3 | tr -d ':'")"
echo "Found Playwright version ${playwright_version}..."
# Let's store it in cache because, why not, this is ephemeral.
dest=~/.cache/coder-remote-playwright
echo "Initializing Playwright server in ${dest}..."
mkdir -p "${dest}"
cd "${dest}"
echo '{"dependencies":{"@playwright/test":"'"${playwright_version}"'"}}' >package.json
cat <<-EOF >server.mjs
import { chromium } from "@playwright/test";
const server = await chromium.launchServer({ headless: false });
console.log(server.wsEndpoint());
EOF
npm_cmd=npm
if command -v pnpm >/dev/null; then
npm_cmd=pnpm
fi
echo "Running \"${npm_cmd} install\" to ensure local and remote are up-to-date..."
"${npm_cmd}" install
echo "Running \"${npm_cmd} exec playwright install\" for browser binaries..."
"${npm_cmd}" exec playwright install
playwright_out="$(mktemp -t playwright_server_out.XXXXXX)"
rm "${playwright_out}"
mkfifo "${playwright_out}"
exec 3<>"${playwright_out}"
echo "Starting Playwright server..."
${npm_cmd} exec node server.mjs 1>&3 &
playwright_pid=$!
trap '
kill -INT ${playwright_pid}
exec 3>&-
rm "${playwright_out}"
wait ${playwright_pid}
' EXIT
echo "Waiting for Playwright to start..."
read -r ws_endpoint <&3
if [[ ${ws_endpoint} != ws://* ]]; then
echo "Playwright failed to start."
echo "${ws_endpoint}"
cat "${playwright_out}"
exit 1
fi
echo "Playwright started at ${ws_endpoint}"
ws_port=${ws_endpoint##*:}
ws_port=${ws_port%/*}
port_args=(
-R "${ws_port}:127.0.0.1:${ws_port}"
-L "${port}:127.0.0.1:${port}"
)
# Also forward prometheus, pprof, and gitauth ports.
for p in 2114 6061 50515 50516; do
port_args+=(-L "${p}:127.0.0.1:${p}")
done
echo
echo "Starting SSH tunnel, run test via \"pnpm run playwright:test\"..."
# shellcheck disable=SC2029 # This is intended to expand client-side.
ssh -t "${port_args[@]}" coder."${workspace}" "export CODER_E2E_PORT='${port}'; export CODER_E2E_WS_ENDPOINT='${ws_endpoint}'; [[ -d '${coder_repo}/site' ]] && cd '${coder_repo}/site'; exec \"\$(grep \"\${USER}\": /etc/passwd | cut -d: -f7)\" -i -l"
}
main