followProgress doesn't work

[twodayslate]

undefined:1

^

SyntaxError: Unexpected token  in JSON at position 0
    at JSON.parse (<anonymous>)
    at processLine (/Users/twodayslate/Development/swiftpackageregistry/node_modules/dockerode/node_modules/docker-modem/lib/modem.js:401:24)
    at pump (/Users/twodayslate/Development/swiftpackageregistry/node_modules/dockerode/node_modules/docker-modem/lib/modem.js:393:9)
    at IncomingMessage.onStreamEvent (/Users/twodayslate/Development/swiftpackageregistry/node_modules/dockerode/node_modules/docker-modem/lib/modem.js:384:5)
    at IncomingMessage.emit (events.js:203:13)
    at addChunk (_stream_readable.js:295:12)
    at readableAddChunk (_stream_readable.js:276:11)
    at IncomingMessage.Readable.push (_stream_readable.js:210:10)
    at HTTPParser.parserOnBody (_http_common.js:129:22)
    at Socket.socketOnData (_http_client.js:449:22)

This seems like a docker-modem issue but I'm posting so others can get something working

var Docker = require('dockerode');
var docker = new Docker({socketPath: '/var/run/docker.sock'});
var fs = require('fs');
const process = require('process');


function runCommand(container, cmd, callback) {
    container.exec({Cmd: cmd, AttachStdin: true, AttachStdout: true}, function(err, exec) {
      if(err) { console.log(err); return callback(err);}
      exec.start({}, function(err, stream) {
        var nextDataType = null;
        var nextDataLength = null;
        var buffer = Buffer.from('');
        function processData(data) {
          if (data) {
            buffer = Buffer.concat([buffer, data]);
          }
          if (!nextDataType) {
            if (buffer.length >= 8) {
              var header = bufferSlice(8);
              nextDataType = header.readUInt8(0);
              nextDataLength = header.readUInt32BE(4);
              // It's possible we got a "data" that contains multiple messages
              // Process the next one
              processData();
            }
          } else {
            if (buffer.length >= nextDataLength) {
              var content = bufferSlice(nextDataLength);
              if (nextDataType === 1) {
                process.stdout.write(content);
              } else {
                process.stderr.write(content);
              }
              nextDataType = null;
              // It's possible we got a "data" that contains multiple messages
              // Process the next one
              processData();
            }
          }
        }

        function bufferSlice(end) {
          var out = buffer.slice(0, end);
          buffer = Buffer.from(buffer.slice(end, buffer.length));
          return out;
        }
        function didClose() {
          callback();
        }
        stream.on('data', processData);
        stream.on('close', didClose);
      });
    });
}

docker.createContainer({Image: 'swift:5.1.4', Cmd: ['/bin/bash'], AutoRemove: true, Tty: true,}, function (err, container) {
  container.start(function (err) {
    console.log(err);
    runCommand(container, ['swift', '--version'], function() {
      runCommand(container, ['git', '--version'], function() {
        container.stop(function (err, data) {
          container.remove(function (err, data) {
            console.log("done :)")
          });
        });
      });
    });
  });
});

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Open a new issue if needed.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Open a new issue if needed.