README.md

stdin handling bug

First, build the image:

docker build -rm -t logstash.ZGJFs18d .

Ensure all your stdin is passed to the process in the container:

seq 1 10 | docker run -rm -i logstash.ZGJFs18d wc -l

Expected output: 10

Ensure you can run seq 1 10 through logstash-noconfig:

docker run -rm -i logstash.ZGJFs18d seqtest

The script simply runs Logstash 1.3.3 without a configuration:

java -jar logstash-1.3.3-flatjar.jar agent -e ''

Expected output:

{
       "message" => "1",
      "@version" => "1",
    "@timestamp" => "2014-02-20T05:00:53.699Z",
          "type" => "stdin",
          "host" => "1ebabc819b6f"
}
...
{
       "message" => "10",
      "@version" => "1",
    "@timestamp" => "2014-02-20T05:00:53.704Z",
          "type" => "stdin",
          "host" => "1ebabc819b6f"
}

Now, try running seq outside the container:

seq 1 10 | docker run -rm -i logstash.ZGJFs18d logstash-noconfig

That works fine on a native Docker with a domain socket, but not if you're on OS X talking to the boot2docker image via DOCKER_HOST=tcp://.

docker version:

Client version: 0.8.0
Go version (client): go1.2
Git commit (client): cc3a8c8
Server version: 0.8.0
Git commit (server): cc3a8c8
Go version (server): go1.2

docker info:

Containers: 17
Images: 86
Driver: aufs
 Root Dir: /mnt/sda1/var/lib/docker/aufs
 Dirs: 150
Debug mode (server): true
Debug mode (client): false
Fds: 15
Goroutines: 43
Execution Driver: lxc-0.8.0
EventsListeners: 71
Kernel Version: 3.12.1-tinycore64
Init Path: /usr/local/bin/docker

Dockerfile

FROM stackbrew/ubuntu:precise
MAINTAINER Garth Kidd <garth@garthk.com>
ENV DEBIAN_FRONTEND noninteractive
RUN locale-gen en_US.UTF-8
ENV LANG en_US.UTF-8
RUN dpkg-divert --local --rename /usr/bin/ischroot && ln -sf /bin/true /usr/bin/ischroot
RUN apt-get update
RUN apt-get install -y openjdk-6-jdk curl
RUN cd /opt && curl -OL https://download.elasticsearch.org/logstash/logstash/logstash-1.3.3-flatjar.jar
ADD logstash-noconfig /usr/local/bin/
ADD seqtest /usr/local/bin/
RUN chmod a+x /usr/local/bin/logstash-noconfig /usr/local/bin/seqtest

logstash-noconfig

#!/bin/sh
# run logstash without any config == dump stdin to stdout at records
/usr/bin/env java -jar /opt/logstash-1.3.3-flatjar.jar agent -e ''

seqtest

#!/bin/sh
# feed ten lines through logstash-noconfig
seq 1 10 | logstash-noconfig

depressingly, it works for me on boot2docker 0.5.4 running on bare hardware