Emulate blades using docker containers

Fix #37

Each blade is emulated with an ubnutu 14.04 container
running an SSH server. This give the ability to test
some networking features like IP address resolution
and the command API (through SSH)

Vagrantfile

@@ -42,6 +42,58 @@ sleep 5  # Dnsmasq startup can cause temporary network issue during a short time
          # Wait to avoid any problem
 
 
+##################################################################
+### Install Docker
+##################################################################
+
+curl -s 'https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e' | sudo apt-key add --import
+echo "deb https://packages.docker.com/1.11/apt/repo ubuntu-trusty main" | sudo tee /etc/apt/sources.list.d/docker.list
+
+sudo apt-get update
+sudo apt-get install -y --force-yes linux-headers-3.13.0-85-generic \
+                                    apt-transport-https \
+                                    linux-image-extra-virtual \
+                                    docker-engine
+
+sudo usermod -aG docker vagrant
+
+sudo bash -c 'echo "DOCKER_OPTS=\\\"-H unix:// -H tcp://0.0.0.0:2375\\\"" > /etc/default/docker'
+
+sudo service docker restart
+
+
+##################################################################
+### Wait for docker deamon to be ready
+##################################################################
+
+set +e
+
+while true ; do
+  sleep 1
+  sudo docker info
+  if [ $? -eq 0 ] ; then
+    break
+  fi
+done
+
+set -e
+
+##################################################################
+### Build Docker image for blade emulation
+##################################################################
+
+sudo docker build -t blade:latest /vagrant/dev
+
+
+##################################################################
+### Run four containers to emulate the four blades
+##################################################################
+
+for i in 1 2 3 4 ; do
+    sudo docker run -d --restart=always --name blade${i} blade:latest
+done
+
+
 ##################################################################
 ### Install Apache + System dependencies for python app
 ##################################################################

dev/Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:14.04
+
+RUN set -ex && \
+    apt-get update && \
+    apt-get install -y --force-yes openssh-server
+
+RUN mkdir /root/.ssh
+
+ADD keys/blade.pub /root/.ssh/authorized_keys
+
+RUN mkdir /var/run/sshd
+CMD ["/usr/sbin/sshd", "-D"]

dev/keys/blade

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+ueNkJIkCgYEAz/z3wpKGnPp0RC+lha4l8E01zC8RmxC4QnSGW/T6TfT33CkE3Ll9
+9X0HCWgvjcOS4W8bdgytE3/PYSprwcFN9zBWcn8UaXmbJWcfa65zpjX63e8deS0T
+oO8YKbMtWkEVXom1h1gD9IKTx+vU4VIQenqIMvU0WJwqmwReMDkQhE8CgYEAwPUC
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+R6S4qQg0vPS49iXzODsD4+6krpw4/ns92dNKdX0CgYEAwX28XNYFx3o0uc59tUya
+3OBngQn03gaC9MgEyv2v8uBHyhia/mDObpge+MBlJQRh27mKmZsXVMGdgu59Cuaz
+ipf8hE33BlzsWbKDB6Fm06T6OoeeKsIltZ1ZJEodkg5kO+vu5feazli/9MhP5kJ7
+NAZUONvnE9xMwqQgn8omtH8CgYBWJ4+gBK82bVhHQ2sCN1OBDc+lwO0azQf9zTjP
+IuG/AJNn80dUNI3Tnu5zdx3pUqcxIF1LMNuB5WzYsYrOnx3TepGf86lF9yfkBsoN
+TnfnWV/osARUauLARlAf4UFOIus18SIEVyoUXxOdIu/LCBrXCpKsHQvu4tYX2lM9
+hTgDyQKBgCZpyzw8RgV91rp51omc75TMJgHtrKD/q43zNx1hwYaQJx1do1tpKvPN
+yJ6ZDGPEFOK+7BuAMdI5ZjYSci6N88fKEnuo495FGn8GuMrlUOn15X4O6OTEMrGn
+YNarqP2+UXX50/GvsQB2nvrUfBAvRyrto5el00dBlurtiFBs9Hjs
+-----END RSA PRIVATE KEY-----

dev/keys/blade.pub

@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCcxMj59dUfVe9JrqcsbNhpF+bCmJKtduzgpPqYuHGmMsNfTS04Z4woY31H2Yb/JU8TbbwGsfjxNdEfJpDMruvKWnx8PSj66e3rH+jwpyCjhFZhHBFGtlJSBQE2/SF4TtnGD6sTmCJvXt4gqNYFDhhYU4GcA0c/tAmievmXwQJm/CQ9jN5JrHQzm7V/P/xzm9wXH2bW/D6/GTDs6rudXuG80VWIMmXn/2gidizXhrFkUk/BlvBzBAaOgFAsRUKTS7Xvw3G+INJawcLzWMLmsfFt6vbDuJUUYoeqSMGsT0DcdfEBiKBJgueZh9f35p8SaIKjs95W8ZdaguujHWrFXrWT vagrant@vagrant-ubuntu-trusty-64