feat: add squid proxy script

ct/squid.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: 007hacky007
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://www.squid-cache.org/
+
+APP="Squid"
+var_tags="${var_tags:-proxy}"
+var_cpu="${var_cpu:-1}"
+var_ram="${var_ram:-512}"
+var_disk="${var_disk:-4}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+  if [[ ! -f /etc/squid/squid.conf ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+  msg_info "Updating ${APP}"
+  $STD apt-get update
+  $STD apt-get -y upgrade
+  msg_info "Validating Squid Configuration"
+  $STD squid -k parse
+  msg_ok "Validated Squid Configuration"
+  msg_info "Restarting Squid"
+  systemctl restart squid
+  msg_ok "Restarted Squid"
+  msg_ok "Updated ${APP}"
+  msg_ok "Updated successfully!"
+  exit
+}
+
+start
+build_container
+description
+
+SQUID_USER=""
+SQUID_PASS=""
+if pct exec "$CTID" -- test -f /root/squid.creds 2>/dev/null; then
+  SQUID_USER=$(pct exec "$CTID" -- awk -F': ' '/^Username:/ {print $2}' /root/squid.creds 2>/dev/null | tr -d '\r')
+  SQUID_PASS=$(pct exec "$CTID" -- awk -F': ' '/^Password:/ {print $2}' /root/squid.creds 2>/dev/null | tr -d '\r')
+fi
+
+msg_ok "Completed successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Proxy endpoint:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}${IP}:3128${CL}"
+if [[ -n "$SQUID_USER" && -n "$SQUID_PASS" ]]; then
+  echo -e "${INFO}${YW} Credentials:${CL}"
+  echo -e "${TAB}${BGN}Username: ${SQUID_USER}${CL}"
+  echo -e "${TAB}${BGN}Password: ${SQUID_PASS}${CL}"
+else
+  echo -e "${INFO}${YW} Credentials are stored in the container at /root/squid.creds.${CL}"
+fi
+echo -e "${INFO}${YW} These details are also available in the container MOTD.${CL}"