the-shepherd/lib/actions/nginx.js

Control a herd of wild processes.

// Generated by CoffeeScript 2.5.1
(function() {
  var $, Fs, Groups, Nginx, configFile, echo, exists, expandPath, int, nginxTemplate, saveConfig, trueFalse, verbose, warn;

  ({$, echo, warn, verbose} = require('../common'));

  Fs = require('fs');

  Nginx = require('../daemon/nginx');

  ({Groups} = require('../daemon/groups'));

  ({int, trueFalse} = require('../util/format'));

  ({saveConfig} = require('../util/config'));

  ({configFile, exists, nginxTemplate, expandPath} = require("../files"));

  Object.assign(module.exports, {
    options: [["--enable", "Generate a config file and automatically reload nginx when state changes."], ["--disable", "Don't generate files or reload nginx."], ["--file <file>", "Auto-generate an nginx file here using '.shep/nginx.template'."], ["--reload-cmd <cmd>", "What command to run in order to cause nginx to reload."], ["--reload-now", "Read nginx.template, write a fresh config file, and issue the reload cmd to nginx."], ["--group <name>", "Optional. If given, the following options apply:"], ["  --port <n>", "Default 80 (or 443). 'server { listen <n>; }'", int], ["  --name <hostname>", "Default is the group name. 'server { server_name <name>; }'"], ["  --ssl_cert <path>", "Optional. If given, port defaults to 443."], ["  --ssl_key <path>", "Optional. If given, port defaults to 443."], ["--list", "Show the current nginx configuration."]],
    toMessage: function(cmd) {
      return {
        c: 'nginx',
        f: cmd.file,
        r: cmd['reload-cmd'],
        k: cmd.keepalive,
        d: trueFalse(cmd.disable),
        e: trueFalse(cmd.enable),
        l: cmd.list,
        g: cmd.group,
        p: cmd.port,
        n: cmd.name,
        sc: cmd.ssl_cert,
        sk: cmd.ssl_key,
        rn: trueFalse(cmd['reload-now'])
      };
    },
    onMessage: function(msg, client, cb) {
      var acted, bytes, group, ref, ref1, reply;
      reply = function(m, ret) {
        if (ret) {
          if (client != null) {
            client.write($.TNET.stringify(m));
          }
          if (typeof saveConfig === "function") {
            saveConfig();
          }
          Nginx.reloadNginx();
        }
        if (typeof cb === "function") {
          cb(!ret && m || null, ret);
        }
        return ret;
      };
      if (msg.rn) {
        Nginx.sync(function(err, acted) {
          if (acted) {
            return reply("wrote nginx config", true);
          } else {
            return reply(`did not write config (${err != null ? err : 'none'})`, false);
          }
        });
        return;
      }
      if (msg.g != null) {
        acted = false;
        if (!Groups.has(msg.g)) {
          return reply("No such group.", false);
        }
        group = Groups.get(msg.g);
        if (msg.p != null) {
          acted = true;
          group.public_port = int(msg.p);
        }
        if (msg.n != null) {
          acted = true;
          group.public_name = msg.n;
        }
        if (msg.sc != null) {
          acted = true;
          if (!exists(msg.sc)) {
            warn(`ssl_cert file '${msg.sc}' does not exist.`, false);
          }
          group.ssl_cert = msg.sc;
        }
        if (msg.sk != null) {
          acted = true;
          if (!exists(msg.sk)) {
            warn(`ssl_key file '${msg.sk}' does not exist.`, false);
          }
          group.ssl_key = msg.sk;
        }
        if (acted) {
          return reply("Group updated.", true);
        } else {
          return reply("No valid options specified.", false);
        }
      }
      if (msg.l != null) {
        return reply(Nginx.toConfig(), false);
      }
      acted = 0;
      if ((ref = msg.f) != null ? ref.length : void 0) {
        ++acted && Nginx.setFile(msg.f);
      }
      if ((ref1 = msg.r) != null ? ref1.length : void 0) {
        ++acted && Nginx.setReload(msg.r);
      }
      if (msg.e) {
        ++acted && Nginx.setDisabled(false);
        if (!exists(nginxTemplate)) {
          bytes = Nginx.defaults.templateText;
          Fs.writeFile(expandPath(nginxTemplate), bytes, (err, written) => {
            if (err) {
              return warn(err);
            } else if (written !== bytes.length) {
              return warn(`Only wrote ${written} out of ${bytes.length} to ${nginxTemplate}`);
            } else {
              return echo(`Wrote default content to ${nginxTemplate}`);
            }
          });
        }
      }
      if (msg.d) {
        ++acted && Nginx.setDisabled(true);
      }
      if (acted) {
        if (typeof saveConfig === "function") {
          saveConfig();
        }
        return reply("nginx configuration updated.", true);
      } else {
        return reply("nginx - no actions requested.", false);
      }
    },
    onResponse: function(resp, socket) {
      console.log(resp);
      return socket.end();
    }
  });

}).call(this);