mecano/lib/docker/load.js

Common functions for system deployment.

// Generated by CoffeeScript 1.11.1
var docker, string, util;

module.exports = function(options, callback) {
  var cmd, images, k, ref, v;
  options.log({
    message: "Entering Docker load",
    level: 'DEBUG',
    module: 'mecano/lib/docker/load'
  });
  if (options.docker == null) {
    options.docker = {};
  }
  ref = options.docker;
  for (k in ref) {
    v = ref[k];
    if (options[k] == null) {
      options[k] = v;
    }
  }
  if (options.input == null) {
    options.input = options.source;
  }
  if (options.input == null) {
    return callback(Error('Missing input parameter'));
  }
  cmd = "load -i " + options.input;
  images = {};
  delete options.cmd;
  options.log({
    message: 'Storing previous state of image',
    level: 'INFO',
    module: 'mecano/lib/docker/load'
  });
  if (options.checksum == null) {
    options.log({
      message: 'No checksum provided',
      level: 'INFO',
      module: 'mecano/lib/docker/load'
    });
  }
  if (options.checksum) {
    options.log({
      message: "Checksum provided :" + options.checksum,
      level: 'INFO',
      module: 'mecano/lib/docker/load'
    });
  }
  if (options.checksum == null) {
    options.checksum = '';
  }
  return this.execute({
    cmd: docker.wrap(options, " images | grep -v '<none>' | awk '{ print $1\":\"$2\":\"$3 }'")
  }, (function(_this) {
    return function(err, executed, stdout, stderr) {
      var i, image, infos, len, ref1;
      if (err) {
        return callback(err);
      }
      if (string.lines(stdout).length > 1) {
        ref1 = string.lines(stdout);
        for (i = 0, len = ref1.length; i < len; i++) {
          image = ref1[i];
          image = image.trim();
          if (image !== '') {
            infos = image.split(':');
            if (infos[2] === options.checksum) {
              options.log({
                message: "Image already exist checksum :" + options.checksum + ", repo:tag " + (infos[0] + ":" + infos[1]),
                level: 'INFO',
                module: 'mecano/lib/docker/load'
              });
            }
            if (infos[2] === options.checksum) {
              return callback(null, false);
            }
            images[infos[0] + ":" + infos[1]] = "" + infos[2];
          }
        }
      }
      options.log({
        message: "Start Loading " + options.input + " ",
        level: 'INFO',
        module: 'mecano/lib/docker/load'
      });
      _this.execute({
        cmd: docker.wrap(options, cmd)
      });
      return _this.execute({
        cmd: docker.wrap(options, 'images | grep -v \'<none>\' | awk \'{ print $1":"$2":"$3 }\'')
      }, function(err, executed, out, stderr) {
        var diff, j, len1, new_image, new_images, new_k, ref2;
        if (err) {
          return callback(err, executed, out, stderr);
        }
        new_images = {};
        diff = false;
        options.log({
          message: 'Comparing new images',
          level: 'INFO',
          module: 'mecano/lib/docker/load'
        });
        if (string.lines(stdout).length > 1) {
          ref2 = string.lines(out.toString());
          for (j = 0, len1 = ref2.length; j < len1; j++) {
            image = ref2[j];
            if (image !== '') {
              infos = image.split(':');
              new_images[infos[0] + ":" + infos[1]] = "" + infos[2];
            }
          }
        }
        for (new_k in new_images) {
          new_image = new_images[new_k];
          if (images[new_k] == null) {
            diff = true;
            break;
          } else {
            for (k in images) {
              image = images[k];
              if (image !== new_image && new_k === k) {
                diff = true;
                options.log({
                  message: 'Identical images',
                  level: 'INFO',
                  module: 'mecano/lib/docker/load'
                });
                break;
              }
            }
          }
        }
        return callback(err, diff, stdout, stderr);
      });
    };
  })(this));
};

docker = require('../misc/docker');

string = require('../misc/string');

util = require('util');