New script install.rb (install all dependencies and build Arvados). refs #2221

diff --git a/docker/install.rb b/docker/install.rb
new file mode 100644 (file)
index 0000000..6ae31af
--- /dev/null
+++ b/docker/install.rb
@@ -0,0 +1,98 @@
+#! /usr/bin/env ruby
+
+require 'tempfile'
+
+docker_path = ""
+
+def sudo(*cmd)
+  # user can pass a single list in as an argument
+  # to allow usage like: sudo %w(apt-get install foo)
+  if cmd.length = 1 and cmd[0].class == Array
+    cmd = cmd[0]
+  end
+  system '/usr/bin/sudo', *cmd
+end
+
+# Check that:
+#   * LXC is installed.
+def lxc_installed?
+  lxc_path = %x(which lxc)
+  not lxc_path.empty?
+end
+
+if not lxc_installed?
+  warn "Installing LXC (you may need to enter your password)."
+  sudo %w(apt-get install lxc)
+end
+
+# Check that:
+#   * IP forwarding is enabled in the kernel.
+
+def ip_forwarding_enabled?
+  %x(/sbin/sysctl --values net.ipv4.ip_forward) == "1\n"
+end
+
+if not ip_forwarding_enabled?
+  warn "NOTE: IP forwarding must be enabled in the kernel."
+  warn "Turning IP forwarding on. You may be asked to enter your password."
+  sudo %w(/sbin/sysctl net.ipv4.ip_forward=1)
+fi
+
+# Check that:
+#   * Docker is installed
+#   * Docker can be found in the user's path
+#   * The user is in the docker group
+#   * cgroup is mounted
+#   * the docker daemon is running
+
+def install_docker
+  linux_distro = %x(lsb_release --id).split.last
+  linux_release = %x(lsb_release --release).split.last
+  linux_version = linux_distro + " " + linux_release
+  kernel_release = `uname -r`
+
+  case linux_distro
+  when 'Ubuntu'
+    if not linux_release.match '^1[234]\.'
+      warn "Arvados requires at least Ubuntu 12.04 (Precise Pangolin)."
+      warn "Your system is Ubuntu #{linux_release}."
+      exit
+    end
+    if linux_release.match '^12' and kernel_release.start_with? '3.2'
+      # Ubuntu Precise ships with a 3.2 kernel and must be upgraded.
+      warn "Your kernel #{kernel_release} must be upgraded to run Docker."
+      warn "To do this:"
+      warn "  sudo apt-get update"
+      warn "  sudo apt-get install linux-image-generic-lts-raring linux-headers-generic-lts-raring"
+      warn "  sudo reboot"
+      exit
+    else
+      # install AUFS
+      sudo 'apt-get', 'update'
+      sudo 'apt-get', 'install', "linux-image-extra-#{kernel_release}"
+    end
+
+    # add Docker repository
+    sudo %w(/usr/bin/apt-key adv
+              --keyserver keyserver.ubuntu.com
+              --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9)
+    source_file = Tempfile.new('arv')
+    source_file.write("deb http://get.docker.io/ubuntu docker main\n")
+    source_file.close
+    sudo '/bin/mv', source_file.path, '/etc/apt/sources.list.d/docker.list'
+    sudo %w(/usr/bin/apt-get update)
+    sudo %w(/usr/bin/apt-get install lxc-docker)
+
+    # Set up for non-root access
+    sudo %w(/usr/sbin/groupadd docker)
+    sudo '/usr/bin/gpasswd', '-a', ENV['USER'], 'docker'
+    sudo %w(/usr/sbin/service docker restart)
+  when 'Debian'
+  when 'Debian 7.4'
+  end
+end
+
+docker_path = %x(which docker).chomp
+if docker_path.empty?
+  warn "Docker not found."
+