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Diffstat (limited to 'lib/leap_cli/commands/node.rb')
| -rw-r--r-- | lib/leap_cli/commands/node.rb | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/lib/leap_cli/commands/node.rb b/lib/leap_cli/commands/node.rb new file mode 100644 index 00000000..a23661b3 --- /dev/null +++ b/lib/leap_cli/commands/node.rb @@ -0,0 +1,188 @@ +# +# fyi: the `node init` command lives in node_init.rb, +# but all other `node x` commands live here. +# + +autoload :IPAddr, 'ipaddr' + +module LeapCli; module Commands + + ## + ## COMMANDS + ## + + desc 'Node management' + command [:node, :n] do |node| + node.desc 'Create a new configuration file for a node named NAME.' + node.long_desc ["If specified, the optional argument SEED can be used to seed values in the node configuration file.", + "The format is property_name:value.", + "For example: `leap node add web1 ip_address:1.2.3.4 services:webapp`.", + "To set nested properties, property name can contain '.', like so: `leap node add web1 ssh.port:44`", + "Separeate multiple values for a single property with a comma, like so: `leap node add mynode services:webapp,dns`"].join("\n\n") + node.arg_name 'NAME [SEED]' # , :optional => false, :multiple => false + node.command :add do |add| + add.switch :local, :desc => 'Make a local testing node (by automatically assigning the next available local IP address). Local nodes are run as virtual machines on your computer.', :negatable => false + add.action do |global_options,options,args| + # argument sanity checks + name = args.first + assert_valid_node_name!(name, options[:local]) + assert_files_missing! [:node_config, name] + + # create and seed new node + node = Config::Node.new(manager.env) + if options[:local] + node['ip_address'] = pick_next_vagrant_ip_address + end + seed_node_data_from_cmd_line(node, args[1..-1]) + seed_node_data_from_template(node) + validate_ip_address(node) + begin + node['name'] = name + json = node.dump_json(:exclude => ['name']) + write_file!([:node_config, name], json + "\n") + if file_exists? :ca_cert, :ca_key + generate_cert_for_node(manager.reload_node!(node)) + end + rescue LeapCli::ConfigError => exc + remove_node_files(name) + end + end + end + + node.desc 'Renames a node file, and all its related files.' + node.arg_name 'OLD_NAME NEW_NAME' + node.command :mv do |mv| + mv.action do |global_options,options,args| + node = get_node_from_args(args, include_disabled: true) + new_name = args.last + assert_valid_node_name!(new_name, node.vagrant?) + ensure_dir [:node_files_dir, new_name] + Leap::Platform.node_files.each do |path| + rename_file! [path, node.name], [path, new_name] + end + remove_directory! [:node_files_dir, node.name] + rename_node_facts(node.name, new_name) + end + end + + node.desc 'Removes all the files related to the node named NAME.' + node.arg_name 'NAME' #:optional => false #, :multiple => false + node.command :rm do |rm| + rm.action do |global_options,options,args| + node = get_node_from_args(args, include_disabled: true) + remove_node_files(node.name) + if node.vagrant? + vagrant_command("destroy --force", [node.name]) + end + remove_node_facts(node.name) + end + end + end + + ## + ## PUBLIC HELPERS + ## + + def get_node_from_args(args, options={}) + node_name = args.first + node = manager.node(node_name) + if node.nil? && options[:include_disabled] + node = manager.disabled_node(node_name) + end + assert!(node, "Node '#{node_name}' not found.") + node + end + + def seed_node_data_from_cmd_line(node, args) + args.each do |seed| + key, value = seed.split(':', 2) + value = format_seed_value(value) + assert! key =~ /^[0-9a-z\._]+$/, "illegal characters used in property '#{key}'" + if key =~ /\./ + key_parts = key.split('.') + final_key = key_parts.pop + current_object = node + key_parts.each do |key_part| + current_object[key_part] ||= Config::Object.new + current_object = current_object[key_part] + end + current_object[final_key] = value + else + node[key] = value + end + end + end + + # + # load "new node template" information into the `node`, modifying `node`. + # values in the template will not override existing node values. + # + def seed_node_data_from_template(node) + node.inherit_from!(manager.template('common')) + [node['services']].flatten.each do |service| + if service + template = manager.template(service) + if template + node.inherit_from!(template) + end + end + end + end + + def remove_node_files(node_name) + (Leap::Platform.node_files + [:node_files_dir]).each do |path| + remove_file! [path, node_name] + end + end + + # + # conversions: + # + # "x,y,z" => ["x","y","z"] + # + # "22" => 22 + # + # "5.1" => 5.1 + # + def format_seed_value(v) + if v =~ /,/ + v = v.split(',') + v.map! do |i| + i = i.to_i if i.to_i.to_s == i + i = i.to_f if i.to_f.to_s == i + i + end + else + v = v.to_i if v.to_i.to_s == v + v = v.to_f if v.to_f.to_s == v + end + return v + end + + def validate_ip_address(node) + if node['ip_address'] == "REQUIRED" + bail! do + log :error, "ip_address is not set. Specify with `leap node add NAME ip_address:ADDRESS`." + end + end + IPAddr.new(node['ip_address']) + rescue ArgumentError + bail! do + if node['ip_address'] + log :invalid, "ip_address #{node['ip_address'].inspect}" + else + log :missing, "ip_address" + end + end + end + + def assert_valid_node_name!(name, local=false) + assert! name, 'No <node-name> specified.' + if local + assert! name =~ /^[0-9a-z]+$/, "illegal characters used in node name '#{name}' (note: Vagrant does not allow hyphens or underscores)" + else + assert! name =~ /^[0-9a-z-]+$/, "illegal characters used in node name '#{name}' (note: Linux does not allow underscores)" + end + end + +end; end |