mecano/lib/docker/checksum.js

Common functions for system deployment.

// Generated by CoffeeScript 1.11.1
var docker;

module.exports = function(options, callback) {
  var cmd, k, ref, v;
  options.log({
    message: "Entering Docker checksum",
    level: 'DEBUG',
    module: 'mecano/lib/docker/checksum'
  });
  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.image == null) {
    options.image = options.repository;
  }
  if (options.image == null) {
    return callback(Error('Missing repository parameter'));
  }
  if (options.tag == null) {
    options.tag = 'latest';
  }
  cmd = "images --no-trunc | grep '" + options.image + "' | grep '" + options.tag + "' | awk '{ print $3 }'";
  options.log({
    message: "Getting image checksum :" + options.image,
    level: 'INFO',
    module: 'mecano/lib/docker/checksum'
  });
  return this.execute({
    cmd: docker.wrap(options, cmd)
  }, function(err, executed, stdout, stderr) {
    var checksum;
    checksum = stdout === '' ? false : stdout.toString().trim();
    if (executed) {
      options.log({
        message: "Image checksum for " + options.image + ": " + checksum,
        level: 'INFO',
        module: 'mecano/lib/docker/checksum'
      });
    }
    return callback(err, executed, checksum);
  });
};

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