--- /dev/null
+#! /usr/bin/env ruby
+
+require 'optparse'
+require 'tempfile'
+require 'yaml'
+
+def main options
+ if not ip_forwarding_enabled?
+ warn "NOTE: IP forwarding must be enabled in the kernel."
+ warn "Turning IP forwarding on now."
+ sudo %w(/sbin/sysctl net.ipv4.ip_forward=1)
+ end
+
+ # Check that:
+ # * Docker is installed and can be found in the user's path
+ # * Docker can be run as a non-root user
+ # - TODO: put the user is in the docker group if necessary
+ # - TODO: mount cgroup automatically
+ # - TODO: start the docker service if not started
+
+ docker_path = %x(which docker).chomp
+ if docker_path.empty?
+ warn "Docker not found."
+ warn ""
+ warn "Please make sure that Docker has been installed and"
+ warn "can be found in your PATH."
+ warn ""
+ warn "Installation instructions for a variety of platforms can be found at"
+ warn "http://docs.docker.io/en/latest/installation/"
+ exit
+ elsif not docker_ok?
+ warn "WARNING: docker could not be run."
+ warn "Please make sure that:"
+ warn " * You have permission to read and write /var/run/docker.sock"
+ warn " * a 'cgroup' volume is mounted on your machine"
+ warn " * the docker daemon is running"
+ exit
+ end
+
+ # Check that debootstrap is installed.
+ if not debootstrap_ok?
+ warn "Installing debootstrap."
+ sudo '/usr/bin/apt-get', 'install', 'debootstrap'
+ end
+
+ # Generate a config.yml if it does not exist or is empty
+ if not File.size? 'config.yml'
+ print "Generating config.yml.\n"
+ print "Arvados needs to know the email address of the administrative user,\n"
+ print "so that when that user logs in they are automatically made an admin.\n"
+ print "This should be the email address you use to log in to Google.\n"
+ print "\n"
+ admin_email_address = ""
+ until is_valid_email? admin_email_address
+ print "Enter your Google ID email address here: "
+ admin_email_address = gets.strip
+ if not is_valid_email? admin_email_address
+ print "That doesn't look like a valid email address. Please try again.\n"
+ end
+ end
+
+ File.open 'config.yml', 'w' do |config_out|
+ config = YAML.load_file 'config.yml.example'
+ config['API_AUTO_ADMIN_USER'] = admin_email_address
+ config['API_HOSTNAME'] = generate_api_hostname
+ config['PUBLIC_KEY_PATH'] = find_or_create_ssh_key(config['API_HOSTNAME'])
+ config.each_key do |var|
+ if var.end_with?('_PW') or var.end_with?('_SECRET')
+ config[var] = rand(2**256).to_s(36)
+ end
+ config_out.write "#{var}: #{config[var]}\n"
+ end
+ end
+ end
+
+ # If all prerequisites are met, go ahead and build.
+ if ip_forwarding_enabled? and
+ docker_ok? and
+ debootstrap_ok? and
+ File.exists? 'config.yml'
+ warn "Building Arvados."
+ system '/usr/bin/make', '-f', options[:makefile], *ARGV
+ end
+end
+
+# sudo
+# Execute the arg list 'cmd' under sudo.
+# cmd can be passed either as a series of arguments or as a
+# single argument consisting of a list, e.g.:
+# sudo 'apt-get', 'update'
+# sudo(['/usr/bin/gpasswd', '-a', ENV['USER'], 'docker'])
+# sudo %w(/usr/bin/apt-get install lxc-docker)
+#
+def sudo(*cmd)
+ # user can pass a single list in as an argument
+ # to allow usage like: sudo %w(apt-get install foo)
+ warn "You may need to enter your password here."
+ if cmd.length == 1 and cmd[0].class == Array
+ cmd = cmd[0]
+ end
+ system '/usr/bin/sudo', *cmd
+end
+
+# is_valid_email?
+# Returns true if its arg looks like a valid email address.
+# This is a very very loose sanity check.
+#
+def is_valid_email? str
+ str.match /^\S+@\S+\.\S+$/
+end
+
+# generate_api_hostname
+# Generates a 5-character randomly chosen API hostname.
+#
+def generate_api_hostname
+ rand(2**256).to_s(36)[0...5]
+end
+
+# ip_forwarding_enabled?
+# Returns 'true' if IP forwarding is enabled in the kernel
+#
+def ip_forwarding_enabled?
+ %x(/sbin/sysctl -n net.ipv4.ip_forward) == "1\n"
+end
+
+# debootstrap_ok?
+# Returns 'true' if debootstrap is installed and working.
+#
+def debootstrap_ok?
+ return system '/usr/sbin/debootstrap --version > /dev/null 2>&1'
+end
+
+# docker_ok?
+# Returns 'true' if docker can be run as the current user.
+#
+def docker_ok?
+ return system 'docker images > /dev/null 2>&1'
+end
+
+# find_or_create_ssh_key arvados_name
+# Returns the SSH public key appropriate for this Arvados instance,
+# generating one if necessary.
+#
+def find_or_create_ssh_key arvados_name
+ ssh_key_file = "#{ENV['HOME']}/.ssh/arvados_#{arvados_name}_id_rsa"
+ unless File.exists? ssh_key_file
+ system 'ssh-keygen',
+ '-f', ssh_key_file,
+ '-C', "arvados@#{arvados_name}",
+ '-P', ''
+ end
+
+ return "#{ssh_key_file}.pub"
+end
+
+# install_docker
+# Determines which Docker package is suitable for this Linux distro
+# and installs it, resolving any dependencies.
+# NOTE: not in use yet.
+
+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'
+ else
+ warn "Must be running a Debian or Ubuntu release in order to run Docker."
+ exit
+ end
+end
+
+
+if __FILE__ == $PROGRAM_NAME
+ options = { :makefile => Dir.pwd + "/build_tools/Makefile" }
+ OptionParser.new do |opts|
+ opts.on('-m', '--makefile MAKEFILE-PATH',
+ 'Path to the Makefile used to build Arvados Docker images') do |mk|
+ options[:makefile] = mk
+ end
+ end
+
+ main options
+end
projects / arvados.git / blobdiff