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require 'thor'
require 'securerandom'
require 'fileutils'
require_relative 'gce_helper'
require_relative 'launch_helper'
require_relative 'ansible_helper'
module OpenShift
module Ops
class GceCommand < Thor
# WARNING: we do not currently support environments with hyphens in the name
SUPPORTED_ENVS = %w(prod stg int twiest gshipley kint test jhonce amint tdint lint)
option :type, :required => true, :enum => LaunchHelper.get_gce_host_types,
:desc => 'The host type of the new instances.'
option :env, :required => true, :aliases => '-e', :enum => SUPPORTED_ENVS,
:desc => 'The environment of the new instances.'
option :count, :default => 1, :aliases => '-c', :type => :numeric,
:desc => 'The number of instances to create'
option :tag, :type => :array,
:desc => 'The tag(s) to add to the new instances. Allowed characters are letters, numbers, and hyphens.'
desc "launch", "Launches instances."
def launch()
# Expand all of the instance names so that we have a complete array
names = []
options[:count].times { names << "#{options[:env]}-#{options[:type]}-#{SecureRandom.hex(5)}" }
ah = AnsibleHelper.for_gce()
# GCE specific configs
ah.extra_vars['oo_new_inst_names'] = names
ah.extra_vars['oo_new_inst_tags'] = options[:tag]
ah.extra_vars['oo_env'] = options[:env]
# Add a created by tag
ah.extra_vars['oo_new_inst_tags'] = [] if ah.extra_vars['oo_new_inst_tags'].nil?
ah.extra_vars['oo_new_inst_tags'] << "created-by-#{ENV['USER']}"
ah.extra_vars['oo_new_inst_tags'] << GceHelper.generate_env_tag(options[:env])
ah.extra_vars['oo_new_inst_tags'] << GceHelper.generate_host_type_tag(options[:type])
ah.extra_vars['oo_new_inst_tags'] << GceHelper.generate_env_host_type_tag(options[:env], options[:type])
puts
puts "Creating #{options[:count]} #{options[:type]} instance(s) in GCE..."
ah.run_playbook("playbooks/gce/#{options[:type]}/launch.yml")
end
option :name, :required => false, :type => :string,
:desc => 'The name of the instance to configure.'
option :env, :required => false, :aliases => '-e', :enum => SUPPORTED_ENVS,
:desc => 'The environment of the new instances.'
option :type, :required => false, :enum => LaunchHelper.get_gce_host_types,
:desc => 'The type of the instances to configure.'
desc "config", 'Configures instances.'
def config()
ah = AnsibleHelper.for_gce()
abort 'Error: you can\'t specify both --name and --type' unless options[:type].nil? || options[:name].nil?
abort 'Error: you can\'t specify both --name and --env' unless options[:env].nil? || options[:name].nil?
host_type = nil
if options[:name]
details = GceHelper.get_host_details(options[:name])
ah.extra_vars['oo_host_group_exp'] = options[:name]
ah.extra_vars['oo_env'] = details['env']
host_type = details['host-type']
elsif options[:type] && options[:env]
oo_env_host_type_tag = GceHelper.generate_env_host_type_tag_name(options[:env], options[:type])
ah.extra_vars['oo_host_group_exp'] = "groups['#{oo_env_host_type_tag}']"
ah.extra_vars['oo_env'] = options[:env]
host_type = options[:type]
else
abort 'Error: you need to specify either --name or (--type and --env)'
end
puts
puts "Configuring #{options[:type]} instance(s) in GCE..."
ah.run_playbook("playbooks/gce/#{host_type}/config.yml")
end
option :name, :required => false, :type => :string,
:desc => 'The name of the instance to terminate.'
option :env, :required => false, :aliases => '-e', :enum => SUPPORTED_ENVS,
:desc => 'The environment of the new instances.'
option :type, :required => false, :enum => LaunchHelper.get_gce_host_types,
:desc => 'The type of the instances to configure.'
option :confirm, :required => false, :type => :boolean,
:desc => 'Terminate without interactive confirmation'
desc "terminate", 'Terminate instances'
def terminate()
ah = AnsibleHelper.for_gce()
abort 'Error: you can\'t specify both --name and --type' unless options[:type].nil? || options[:name].nil?
abort 'Error: you can\'t specify both --name and --env' unless options[:env].nil? || options[:name].nil?
host_type = nil
if options[:name]
details = GceHelper.get_host_details(options[:name])
ah.extra_vars['oo_host_group_exp'] = options[:name]
ah.extra_vars['oo_env'] = details['env']
host_type = details['host-type']
elsif options[:type] && options[:env]
oo_env_host_type_tag = GceHelper.generate_env_host_type_tag_name(options[:env], options[:type])
ah.extra_vars['oo_host_group_exp'] = "groups['#{oo_env_host_type_tag}']"
ah.extra_vars['oo_env'] = options[:env]
host_type = options[:type]
else
abort 'Error: you need to specify either --name or (--type and --env)'
end
puts
puts "Terminating #{options[:type]} instance(s) in GCE..."
ah.run_playbook("playbooks/gce/#{host_type}/terminate.yml")
end
option :env, :required => false, :aliases => '-e', :enum => SUPPORTED_ENVS,
:desc => 'The environment to list.'
desc "list", "Lists instances."
def list()
hosts = GceHelper.get_hosts()
hosts.delete_if { |h| h.env != options[:env] } unless options[:env].nil?
fmt_str = "%34s %5s %8s %17s %7s"
puts
puts fmt_str % ['Name','Env', 'State', 'IP Address', 'Created By']
puts fmt_str % ['----','---', '-----', '----------', '----------']
hosts.each { |h| puts fmt_str % [h.name, h.env, h.state, h.public_ip, h.created_by ] }
puts
end
option :file, :required => true, :type => :string,
:desc => 'The name of the file to copy.'
option :dest, :required => false, :type => :string,
:desc => 'A relative path where files are written to.'
desc "scp_from", "scp files from an instance"
def scp_from(*ssh_ops, host)
if host =~ /^([\w\d_.-]+)@([\w\d-_.]+)$/
user = $1
host = $2
end
path_to_file = options['file']
dest = options['dest']
details = GceHelper.get_host_details(host)
abort "\nError: Instance [#{host}] is not RUNNING\n\n" unless details['gce_status'] == 'RUNNING'
cmd = "scp #{ssh_ops.join(' ')}"
if user.nil?
cmd += " "
else
cmd += " #{user}@"
end
if dest.nil?
download = File.join(Dir.pwd, 'download')
FileUtils.mkdir_p(download) unless File.exists?(download)
cmd += "#{details['gce_public_ip']}:#{path_to_file} download/"
else
cmd += "#{details['gce_public_ip']}:#{path_to_file} #{File.expand_path(dest)}"
end
exec(cmd)
end
desc "ssh", "Ssh to an instance"
def ssh(*ssh_ops, host)
if host =~ /^([\w\d_.-]+)@([\w\d-_.]+)/
user = $1
host = $2
end
details = GceHelper.get_host_details(host)
abort "\nError: Instance [#{host}] is not RUNNING\n\n" unless details['gce_status'] == 'RUNNING'
cmd = "ssh #{ssh_ops.join(' ')}"
if user.nil?
cmd += " "
else
cmd += " #{user}@"
end
cmd += "#{details['gce_public_ip']}"
exec(cmd)
end
option :name, :required => true, :aliases => '-n', :type => :string,
:desc => 'The name of the instance.'
desc 'details', 'Displays details about an instance.'
def details()
name = options[:name]
details = GceHelper.get_host_details(name)
key_size = details.keys.max_by { |k| k.size }.size
header = "Details for #{name}"
puts
puts header
header.size.times { print '-' }
puts
details.each { |k,v| printf("%#{key_size + 2}s: %s\n", k, v) }
puts
end
desc 'types', 'Displays instance types'
def types()
puts
puts "Available Host Types"
puts "--------------------"
LaunchHelper.get_gce_host_types.each { |t| puts " #{t}" }
puts
end
end
end
end
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