Merge tag '0.8.0'

Release 0.8.0

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