Class: Commands::MultiSSHInstance
- Inherits:
-
Object
- Object
- Commands::MultiSSHInstance
- Defined in:
- lib/commands/multi_ssh_instance.rb
Instance Method Summary collapse
-
#options ⇒ Object
holds the options that were passed you can set any initial defaults here.
- #register(opts, global_options) ⇒ Object
-
#required_options ⇒ Object
required options.
- #run(global_options, amazon) ⇒ Object
Instance Method Details
#options ⇒ Object
holds the options that were passed you can set any initial defaults here
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# File 'lib/commands/multi_ssh_instance.rb', line 9 def @options ||= { :roles => [], :instances => [] } end |
#register(opts, global_options) ⇒ Object
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# File 'lib/commands/multi_ssh_instance.rb', line 23 def register(opts, ) opts. = "Usage: multi_ssh [options]" opts.description = "Run a remote command on multiple servers via ssh" opts.on('-i', "--instances instance1,instance2,etc", Array, "The instance(s) to connect to.") do |v| [:instances] = v end opts.on('-r', "--role role1,role2", Array, "Roles to use.") do |v| valid_roles = MetaOptions.roles v.each do |r| raise "Not a valid role: #{r}" if !valid_roles.include?(r.to_sym) end [:roles] = v end opts.on('-g', "--group deploy_group", "Required: Group to look for.") do |v| [:group] = v end opts.on('-f', "--file file", "A file that contains the commands to execute.") do |v| [:file] = v end opts.on('-p', "--print path", "The directory into which we output the data as a file per host.") do |v| [:result_path] = v end end |
#required_options ⇒ Object
required options
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# File 'lib/commands/multi_ssh_instance.rb', line 17 def @required_options ||= Set.new [ :group ] end |
#run(global_options, amazon) ⇒ Object
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# File 'lib/commands/multi_ssh_instance.rb', line 53 def run(, amazon) ec2 = amazon.ec2 file_path = [:file] if file_path.nil? if ARGV.length != 1 raise "Must include the remote command to run. Make sure you quote it so it appears as one argument" end remote_cmd = ARGV[0] else remote_cmd = File.open(file_path, 'r') {|f| f.read } end group_name = [:group] deploy_group = amazon.find_deploy_group(group_name) group_config = deploy_group.config user_instances = [:instances] roles = [:roles] filters_off = roles.empty? && user_instances.empty? instances = [] # build the instances wanted here server_instances = amazon.find_and_sort_named_instances([:group], nil, false) server_instances.each do |server_instance| server_instance_id = server_instance[:resource_id] server_instance_role = server_instance[:role] if filters_off || roles.include?(server_instance_role) || user_instances.include?(server_instance_id) # include this instance in the result set instances << server_instance end end if instances.empty? raise "No instances matched your search criteria." end multi = MultiSSH.new(amazon, group_name, deploy_group) multi.run_instances(instances, remote_cmd) multi.output_tracked_data_to_files("multi_ssh", [:result_path]) end |