move the start script here

bin/interception-proxy-ci

@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+
+# Runs the server as a background service, exiting once the server is ready to receive requests.
+#
+# Intended for use in SDKs’ CI jobs. Must be run from the root of this repository.
+
+set -e
+
+# We run as the current user so that we can access the generated server certificate (in ~/.mitmproxy) without having to worry about permissions. TODO consider instead generating our own cert and telling mitmproxy to use it, then we also won’t have to have that step where we run mitmproxy once just to generate the certs
+start_systemd_service () {
+  systemd_service=$(cat <<SYSTEMD_SERVICE
+[Unit]
+Description=Ably SDK Test Proxy
+
+[Service]
+WorkingDirectory=$(pwd)
+ExecStart=npx interception-proxy
+User=$USER
+
+[Install]
+WantedBy=multi-user.target
+SYSTEMD_SERVICE
+)
+
+  # https://stackoverflow.com/questions/84882/sudo-echo-something-etc-privilegedfile-doesnt-work
+  echo "${systemd_service}" | sudo tee /etc/systemd/system/ably-sdk-test-proxy.service 1>/dev/null
+
+  echo "Starting ably-sdk-test-proxy systemd service..." 1>&2
+  sudo systemctl start ably-sdk-test-proxy.service
+  echo "Started ably-sdk-test-proxy systemd service." 1>&2
+}
+
+start_launchd_daemon () {
+  launchd_daemon=$(cat <<LAUNCHD_DAEMON
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>Label</key>
+    <string>com.ably.test.proxy</string>
+    <key>WorkingDirectory</key>
+    <string>$(pwd)</string>
+    <key>ProgramArguments</key>
+    <array>
+        <string>npx</string>
+        <string>interception-proxy</string>
+    </array>
+    <key>RunAtLoad</key>
+    <true/>
+</dict>
+</plist>
+LAUNCHD_DAEMON
+)
+
+  # https://stackoverflow.com/questions/84882/sudo-echo-something-etc-privilegedfile-doesnt-work
+  echo "${launchd_daemon}" | sudo tee /Library/LaunchDaemons/com.ably.test.proxy.plist
+
+  echo "Loading ably-sdk-test-proxy launchd daemon..." 1>&2
+  sudo launchctl load /Library/LaunchDaemons/com.ably.test.proxy.plist
+  echo "Loaded ably-sdk-test-proxy launchd daemon." 1>&2
+}
+
+check_daemon_still_running () {
+  if uname | grep Linux 1>/dev/null
+  then
+    systemctl is-active --quiet ably-sdk-test-proxy.service
+  elif uname | grep Darwin 1>/dev/null
+  then
+    launchctl print system/com.ably.test.proxy 1>/dev/null
+  fi
+}
+
+if uname | grep Linux 1>/dev/null
+then
+  start_systemd_service
+elif uname | grep Darwin 1>/dev/null
+then
+  start_launchd_daemon
+else
+  echo "Unsupported system $(uname); exiting" 1>&2
+  exit 1
+fi
+
+echo "Waiting for sdk-test-proxy server to start on port 8001..." 1>&2
+
+# https://stackoverflow.com/questions/27599839/how-to-wait-for-an-open-port-with-netcat
+while ! nc -z localhost 8001; do
+  # Check that the service hasn’t failed (else we’ll be waiting forever)
+  check_daemon_still_running
+  sleep 0.5
+done
+
+echo "sdk-test-proxy server is now listening on port 8001." 1>&2

package.json

@@ -2,7 +2,10 @@
   "name": "interception-proxy",
   "version": "0.1.0",
   "main": "index.js",
-  "bin": "bin/interception-proxy",
+  "bin": {
+    "interception-proxy": "bin/interception-proxy",
+    "interception-proxy-ci": "bin/interception-proxy-ci"
+  },
   "files": [
     "dist"
   ],