Add CentOS rootfs setup

warden/Rakefile

@@ -49,7 +49,7 @@ namespace :setup do
     end
 
     sh "mkdir -p #{File.dirname(rootfs_path)}"
-    sh "sudo -E unshare -m root/linux/base/setup.sh #{rootfs_path}"
+    sh "sudo -E unshare -m root/linux/rootfs/setup.sh #{rootfs_path}"
   end
 end
 

warden/root/linux/rootfs/centos.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+[ -n "$DEBUG" ] && set -o xtrace
+set -o nounset
+set -o errexit
+shopt -s nullglob
+shopt -s globstar
+
+if [ $EUID -ne 0 ]
+then
+  echo "Sorry, you need to be root."
+  exit 1
+fi
+
+if [ "$#" -ne 1 ]
+then
+  echo "Usage: setup.sh [TARGET DIRECTORY]"
+  exit 1
+fi
+
+target=$1
+
+if [ -d $target ]
+then
+  read -p "Target directory already exists. Erase it? "
+  if [[ $REPLY =~ ^[Yy].*$ ]]
+  then
+    rm -rf $target
+  else
+    echo "Aborting..."
+    exit 1
+  fi
+fi
+
+mkdir -p $target
+
+tmpdir=$(mktemp -d)
+yumdownloader --destdir=$tmpdir centos-release
+rpm -iv --nodeps --root $target $tmpdir/centos-release-*.rpm
+rm -rf $tmpdir
+
+yum -y --installroot $target install yum
+yum -y --installroot $target groupinstall "Development Tools"
+yum -y --installroot $target install zlib-devel
+yum -y --installroot $target install openssl-devel
+yum -y --installroot $target install readline-devel
+
+# Only used for tests
+yum -y --installroot $target install nc

warden/root/linux/rootfs/setup.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+[ -n "$DEBUG" ] && set -o xtrace
+set -o nounset
+set -o errexit
+shopt -s nullglob
+shopt -s globstar
+
+if [ ! -f /etc/issue ]
+then
+  echo "/etc/issue doesn't exist; cannot determine distribution"
+  exit 1
+fi
+
+if grep -q -i ubuntu /etc/issue
+then
+  exec $(dirname $0)/ubuntu.sh $@
+fi
+
+if grep -q -i centos /etc/issue
+then
+  exec $(dirname $0)/centos.sh $@
+fi
+
+echo "Unknown distribution: $(head -1 /etc/issue)"
+exit 1

warden/root/linux/base/setup.sh → warden/root/linux/rootfs/ubuntu.sh

@@ -4,6 +4,7 @@
 set -o nounset
 set -o errexit
 shopt -s nullglob
+shopt -s globstar
 
 packages="openssh-server,rsync"
 suite="lucid"
@@ -62,18 +63,12 @@ fi
 
 if [ "$#" -ne 1 ]
 then
-  echo "Usage: setup.sh [base_dir]"
-  exit 1
-fi
-
-dirname=$(readlink -nf $(dirname $1))
-if [ ! -d $dirname ]
-then
-  echo "Looks like $dirname doesn't exist or isn't a directory"
+  echo "Usage: setup.sh [TARGET DIRECTORY]"
   exit 1
 fi
 
 target=$1
+mkdir -p $target
 
 debootstrap