430 lines
12 KiB
Bash
Executable File
430 lines
12 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -u -e -o pipefail
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####################################################################################################
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# Some helper funtions
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@echo() {
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echo "# $*"
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}
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@warn() {
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@echo "Warning: $*" >&2
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}
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@fail() {
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@echo "Error! $*" >&2
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exit 1
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}
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@remove() {
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local f="$1"
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if [[ -f ${f} ]]; then
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@echo "Removing ${f}"
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rm -f "${f}" || @fail "Can not delete ${f} file"
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fi
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}
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@kill() {
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for p in $1; do
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if kill -0 ${p} >/dev/null 2>&1; then
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kill ${p}
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sleep 2
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if kill -0 ${p} >/dev/null 2>&1; then
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kill -9 ${p}
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sleep 2
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fi
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fi
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done
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}
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@wait_for() {
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local m="$1"
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local f="$2"
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if [[ ! -f "${f}" ]]; then
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printf "# ${m} (${f})"
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while [[ ! -f "${f}" ]]; do
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printf "."
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sleep 0.5
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done
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printf "\n"
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fi
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}
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####################################################################################################
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# Sauce service functions
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readonly SCRIPT_DIR=$(cd $(dirname $0); pwd)
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readonly TMP_DIR="/tmp/angular/sauce-service"
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mkdir -p ${TMP_DIR}
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# Location for the saucelabs log file.
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readonly SAUCE_LOG_FILE="${TMP_DIR}/sauce-connect.log"
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# Location for the saucelabs ready to connection process id lock file.
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readonly SAUCE_PID_FILE="${TMP_DIR}/sauce-connect.pid"
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# Location for the saucelabs ready to connect lock file.
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readonly SAUCE_READY_FILE="${TMP_DIR}/sauce-connect.lock"
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# Location for the saucelabs params file for use by test runner.
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readonly SAUCE_PARAMS_JSON_FILE="${TMP_DIR}/sauce-connect-params.json"
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# Amount of seconds we wait for sauceconnect to establish a tunnel instance. In order to not
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# acquire CircleCI instances for too long if sauceconnect fails, we need a connect timeout.
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readonly SAUCE_READY_FILE_TIMEOUT=120
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readonly SERVICE_LOCK_FILE="${TMP_DIR}/service.lock"
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readonly SERVICE_START_FILE="${TMP_DIR}/service.start"
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readonly SERVICE_PID_FILE="${TMP_DIR}/service.pid"
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readonly SERVICE_LOG_FILE="${TMP_DIR}/service.log"
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service-setup-command() {
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if [[ -z "${SAUCE_USERNAME:-}" ]]; then
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@fail "SAUCE_USERNAME environment variable required"
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fi
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if [[ -z "${SAUCE_ACCESS_KEY:-}" ]]; then
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@fail "SAUCE_ACCESS_KEY environment variable required"
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fi
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if [[ -z "${SAUCE_TUNNEL_IDENTIFIER:-}" ]]; then
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@fail "SAUCE_TUNNEL_IDENTIFIER environment variable required"
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fi
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local unameOut="$(uname -s)"
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case "${unameOut}" in
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Linux*) local machine=linux ;;
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Darwin*) local machine=darwin ;;
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CYGWIN*) local machine=windows ;;
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MINGW*) local machine=windows ;;
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MSYS_NT*) local machine=windows ;;
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*) local machine=linux
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printf "\nUnrecongized uname '${unameOut}'; defaulting to use node for linux.\n" >&2
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printf "Please file an issue to https://github.com/bazelbuild/rules_nodejs/issues if \n" >&2
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printf "you would like to add your platform to the supported rules_nodejs node platforms.\n\n" >&2
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;;
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esac
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case "${machine}" in
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# Path to sauce connect executable
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linux)
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if [[ -z "${BUILD_WORKSPACE_DIRECTORY:-}" ]]; then
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# Started manually
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SAUCE_CONNECT="${SCRIPT_DIR}/../../node_modules/sauce-connect/bin/sc"
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else
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# Started via `bazel run`
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SAUCE_CONNECT="${BUILD_WORKSPACE_DIRECTORY}/node_modules/sauce-connect/bin/sc"
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fi
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;;
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*)
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if [[ -z "${SAUCE_CONNECT:-}" ]]; then
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@fail "SAUCE_CONNECT environment variable is required on non-linux environments"
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exit 1
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fi
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;;
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esac
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if [[ ! -f ${SAUCE_CONNECT} ]]; then
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@fail "sc binary not found at ${SAUCE_CONNECT}"
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fi
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echo "{ \"SAUCE_USERNAME\": \"${SAUCE_USERNAME}\", \"SAUCE_ACCESS_KEY\": \"${SAUCE_ACCESS_KEY}\", \"SAUCE_TUNNEL_IDENTIFIER\": \"${SAUCE_TUNNEL_IDENTIFIER}\", \"SAUCE_LOCALHOST_ALIAS_DOMAIN\": \"${SAUCE_LOCALHOST_ALIAS_DOMAIN:-}\" }" > ${SAUCE_PARAMS_JSON_FILE}
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# Command arguments that will be passed to sauce-connect.
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# By default we disable SSL bumping for all requests. This is because SSL bumping is
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# not needed for our test setup and in order to perform the SSL bumping, Saucelabs
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# intercepts all HTTP requests in the tunnel VM and modifies them. This can cause
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# flakiness as it makes all requests dependent on the SSL bumping middleware.
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# See: https://wiki.saucelabs.com/display/DOCS/Troubleshooting+Sauce+Connect#TroubleshootingSauceConnect-DisablingSSLBumping
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local sauce_args=(
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"--no-ssl-bump-domains all"
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"--logfile ${SAUCE_LOG_FILE}"
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"--pidfile ${SAUCE_PID_FILE}"
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"--readyfile ${SAUCE_READY_FILE}"
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"--tunnel-identifier ${SAUCE_TUNNEL_IDENTIFIER}"
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"--user ${SAUCE_USERNAME}"
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# Don't add the --api-key here so we don't echo it out in service-pre-start
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)
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if [[ -n "${SAUCE_LOCALHOST_ALIAS_DOMAIN:-}" ]]; then
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# Ensures that requests to the localhost alias domain are always resolved through the tunnel.
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# This environment variable is usually configured on CI, and refers to a domain that has been
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# locally configured in the current machine's hosts file (e.g. `/etc/hosts`). The domain should
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# resolve to the current machine in Saucelabs VMs, so we need to ensure that it is resolved
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# through the tunnel we going to create.
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sauce_args+=("--tunnel-domains ${SAUCE_LOCALHOST_ALIAS_DOMAIN}")
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fi
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@echo "Sauce connect will be started with:"
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echo " ${SAUCE_CONNECT} ${sauce_args[@]}"
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SERVICE_COMMAND="${SAUCE_CONNECT} ${sauce_args[@]} --api-key ${SAUCE_ACCESS_KEY}"
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}
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# Called by pre-start & post-stop
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service-cleanup() {
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if [[ -f "${SAUCE_PID_FILE}" ]]; then
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local p=$(cat "${SAUCE_PID_FILE}")
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@echo "Stopping Sauce Connect (pid $p)..."
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@kill $p
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fi
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@remove "${SAUCE_PID_FILE}"
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@remove "${SAUCE_READY_FILE}"
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@remove "${SAUCE_PARAMS_JSON_FILE}"
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}
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# Called before service is setup
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service-pre-setup() {
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service-cleanup
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}
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# Called after service is setup
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service-post-setup() {
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@echo " sauce params : ${SAUCE_PARAMS_JSON_FILE}"
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}
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# Called before service is started
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service-pre-start() {
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return
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}
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# Called after service is started
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service-post-start() {
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@wait_for "Waiting for Sauce Connect Proxy process" "${SAUCE_PID_FILE}"
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@echo "Sauce Connect Proxy started (pid $(cat "${SAUCE_PID_FILE}"))"
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}
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# Called if service fails to start
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service-failed-setup() {
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if [[ -f "${SERVICE_LOG_FILE}" ]]; then
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echo "================================================================================"
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echo "${SERVICE_LOG_FILE}:"
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echo $(cat "${SERVICE_LOG_FILE}")
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fi
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}
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# Called by ready-wait action
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service-ready-wait() {
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if [[ ! -f "${SAUCE_PID_FILE}" ]]; then
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@fail "Sauce Connect not running"
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fi
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if [[ ! -f "${SAUCE_READY_FILE}" ]]; then
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# Wait for saucelabs tunnel to connect
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printf "# Waiting for saucelabs tunnel to connect (${SAUCE_READY_FILE})"
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counter=0
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while [[ ! -f "${SAUCE_READY_FILE}" ]]; do
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counter=$((counter + 1))
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# Counter needs to be multiplied by two because the while loop only sleeps a half second.
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# This has been made in favor of better progress logging (printing dots every half second)
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if [ $counter -gt $[${SAUCE_READY_FILE_TIMEOUT} * 2] ]; then
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@echo "Timed out after ${SAUCE_READY_FILE_TIMEOUT} seconds waiting for tunnel ready file."
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if [[ -f "${SAUCE_LOG_FILE}" ]]; then
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echo "================================================================================"
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echo "${SAUCE_LOG_FILE}:"
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cat "${SAUCE_LOG_FILE}"
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fi
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exit 5
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fi
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printf "."
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sleep 0.5
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done
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printf "\n"
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@echo "Saucelabs tunnel connected"
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else
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@echo "Saucelabs tunnel already connected"
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fi
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}
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# Called before service is stopped
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service-pre-stop() {
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return
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}
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# Called after service is stopped
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service-post-stop() {
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service-cleanup
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}
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####################################################################################################
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# Generic service functions
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# This uses functions setup above but nothing below should be specific to saucelabs
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@serviceLock() {
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# Check is Lock File exists, if not create it and set trap on exit
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printf "# Waiting for service action lock (${SERVICE_LOCK_FILE})"
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while true; do
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if { set -C; 2>/dev/null >"${SERVICE_LOCK_FILE}"; }; then
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trap "rm -f \"${SERVICE_LOCK_FILE}\"" EXIT
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printf "\n"
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break
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fi
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printf "."
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sleep 0.5
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done
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@echo "Acquired service action lock"
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}
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@serviceStatus() {
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if [ -f "${SERVICE_PID_FILE}" ] && [ ! -z "$(cat "${SERVICE_PID_FILE}")" ]; then
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local p=$(cat "${SERVICE_PID_FILE}")
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if kill -0 $p >/dev/null 2>&1; then
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@echo "Service is running (pid $p)"
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return 0
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else
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@echo "Service is not running (process PID $p not exists)"
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return 1
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fi
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else
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@echo "Service is not running"
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return 2
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fi
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}
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@serviceSetup() {
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if @serviceStatus >/dev/null 2>&1; then
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@echo "Service already running (pid $(cat "${SERVICE_PID_FILE}"))"
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return 0
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fi
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@echo "Setting up service..."
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@remove "${SERVICE_PID_FILE}"
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@remove "${SERVICE_START_FILE}"
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touch "${SERVICE_LOG_FILE}" >/dev/null 2>&1 || @fail "Can not create ${SERVICE_LOG_FILE} file"
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@echo " service pid : ${SERVICE_PID_FILE}"
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@echo " service logs : ${SERVICE_LOG_FILE}"
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service-pre-setup
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service-setup-command
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(
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(
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if [[ -z "${SERVICE_COMMAND:-}" ]]; then
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@fail "No SERVICE_COMMAND is set"
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fi
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@wait_for "Waiting for start file" "${SERVICE_START_FILE}"
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${SERVICE_COMMAND}
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) >>"${SERVICE_LOG_FILE}" 2>&1
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) &
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echo $! >"${SERVICE_PID_FILE}"
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if @serviceStatus >/dev/null 2>&1; then
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@echo "Service setup (pid $(cat "${SERVICE_PID_FILE}"))"
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service-post-setup
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else
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@echo "Error setting up Service!"
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service-failed-setup
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exit 1
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fi
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return $?
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}
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@serviceStart() {
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if @serviceStatus >/dev/null 2>&1; then
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@echo "Service already setup (pid $(cat "${SERVICE_PID_FILE}"))"
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else
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@serviceSetup
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fi
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if [[ -f "${SERVICE_START_FILE}" ]]; then
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@echo "Service already started"
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else
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@echo "Starting service..."
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service-pre-start
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touch "${SERVICE_START_FILE}" >/dev/null 2>&1 || @err "Can not create ${SERVICE_START_FILE} file"
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service-post-start
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@echo "Service started"
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fi
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}
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@serviceStop() {
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if @serviceStatus >/dev/null 2>&1; then
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touch "${SERVICE_PID_FILE}" >/dev/null 2>&1 || @fail "Can not touch ${SERVICE_PID_FILE} file"
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service-pre-stop
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@echo "Stopping sevice (pid $(cat "${SERVICE_PID_FILE}"))..."
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@kill $(cat "${SERVICE_PID_FILE}")
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if @serviceStatus >/dev/null 2>&1; then
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@fail "Error stopping Service! Service already running with PID $(cat "${SERVICE_PID_FILE}")"
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else
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@echo "Service stopped"
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@remove "${SERVICE_PID_FILE}"
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@remove "${SERVICE_START_FILE}"
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service-post-stop
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fi
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return 0
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else
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@warn "Service is not running"
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service-post-stop
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fi
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}
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@serviceStartReadyWait() {
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@serviceStart
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@serviceReadyWait
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}
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@serviceReadyWait() {
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service-ready-wait
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}
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@serviceRestart() {
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@serviceStop
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@serviceStart
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}
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@serviceTail() {
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tail -f "${SERVICE_LOG_FILE}"
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}
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case "${1:-}" in
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setup)
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@serviceLock
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@serviceSetup
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;;
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start)
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@serviceLock
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@serviceStart
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;;
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start-ready-wait)
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@serviceLock
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@serviceStartReadyWait
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;;
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ready-wait)
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@serviceLock
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@serviceReadyWait
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;;
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stop)
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@serviceLock
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@serviceStop
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;;
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restart)
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@serviceLock
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@serviceRestart
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;;
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status)
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@serviceLock
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@serviceStatus
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;;
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run)
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(
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service-setup-command
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if [[ -z "${SERVICE_COMMAND:-}" ]]; then
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@fail "No SERVICE_COMMAND is set"
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fi
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${SERVICE_COMMAND}
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)
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;;
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tail)
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@serviceTail
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;;
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*)
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@echo "Actions: [setup|start|start-read-wait|ready-wait|stop|restart|status|run|tail]"
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exit 1
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;;
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esac
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