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#
# Configuration for a 'node' (a server in the provider's infrastructure)
#
require 'ipaddr'
module LeapCli; module Config
class Node < Object
attr_accessor :file_paths
def initialize(environment=nil)
super(environment)
@node = self
@file_paths = []
end
#
# returns true if this node has an ip address in the range of the vagrant network
#
def vagrant?
ip = self['ip_address']
return false unless ip
begin
vagrant_range = IPAddr.new LeapCli.leapfile.vagrant_network
rescue ArgumentError
Util::bail! { Util::log :invalid, "vagrant_network in Leapfile or .leaprc" }
end
begin
ip_addr = IPAddr.new(ip)
rescue ArgumentError
Util::log :warning, "invalid ip address '#{ip}' for node '#{@node.name}'"
end
return vagrant_range.include?(ip_addr)
end
def vm?
self['vm']
end
def vm_id?
self['vm.id'] && !self['vm.id'].empty?
end
#
# Return a hash table representation of ourselves, with the key equal to the @node.name,
# and the value equal to the fields specified in *keys.
#
# Also, the result is flattened to a single hash, so a key of 'a.b' becomes 'a_b'
#
# compare to Object#pick(*keys). This method is the sames as Config::ObjectList#pick_fields,
# but works on a single node.
#
# Example:
#
# node.pick('domain.internal') =>
#
# {
# 'node1': {
# 'domain_internal': 'node1.example.i'
# }
# }
#
def pick_fields(*keys)
{@node.name => self.pick(*keys)}
end
#
# can be overridden by the platform.
# returns a list of node names that should be tested before this node
#
def test_dependencies
[]
end
# returns a string list of supported ssh host key algorithms for this node.
# or an empty string if it could not be determined
def supported_ssh_host_key_algorithms
require 'leap_cli/ssh'
@host_key_algo ||= LeapCli::SSH::Key.supported_host_key_algorithms(
Util.read_file([:node_ssh_pub_key, @node.name])
)
end
#
# Takes strings such as "openvpn.gateway_address:1.1.1.1"
# and converts this to data stored in this node.
#
def seed_from_args(args)
args.each do |seed|
key, value = seed.split(':', 2)
value = format_seed_value(value)
Util.assert! key =~ /^[0-9a-z\._]+$/, "illegal characters used in property '#{key}'"
if key =~ /\./
key_parts = key.split('.')
final_key = key_parts.pop
current_object = self
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
self[key] = value
end
end
end
#
# Seeds values for this node from a template, based on the services.
# Values in the template will not override existing node values.
#
def seed_from_template
inherit_from!(manager.template('common'))
[self['services']].flatten.each do |service|
if service
template = manager.template(service)
if template
inherit_from!(template)
end
end
end
end
#
# bails if the node is not valid.
#
def validate!
#
# validate ip_address
#
if self['ip_address'] == "REQUIRED"
Util.bail! do
Util.log :error, "ip_address is not set. " +
"Specify with `leap node add NAME ip_address:ADDRESS`."
end
elsif self['ip_address']
begin
IPAddr.new(self['ip_address'])
rescue ArgumentError
Util.bail! do
Util.log :invalid, "ip_address #{self['ip_address'].inspect}"
end
end
end
#
# validate name
#
self.class.validate_name!(self.name, self.vagrant?)
end
#
# create or update all the configs needed for this node,
# including x.509 certs as needed.
#
# note: this method will write to disk EVERYTHING
# in the node, which is not what you want
# if the node has inheritance applied.
#
def write_configs
json = self.dump_json(:exclude => ['name'])
Util.write_file!([:node_config, name], json + "\n")
rescue LeapCli::ConfigError
Config::Node.remove_node_files(self.name)
end
#
# modifies the config file nodes/NAME.json for this node.
#
def update_json(new_values, options=nil)
self.env.update_node_json(node, new_values, options)
end
#
# returns an array of all possible dns names for this node
#
def all_dns_names
names = [@node.domain.internal, @node.domain.full]
if @node['dns'] && @node.dns['aliases'] && @node.dns.aliases.any?
names += @node.dns.aliases
end
names.compact!
names.sort!
names.uniq!
return names
end
def remove_files
self.class.remove_node_files(self.name)
end
##
## Class Methods
##
def self.remove_node_files(node_name)
(Leap::Platform.node_files + [:node_files_dir]).each do |path|
Util.remove_file! [path, node_name]
end
end
def self.validate_name!(name, local=false)
Util.assert! name, 'Node is missing a name.'
if local
Util.assert! name =~ /^[0-9a-z]+$/,
"illegal characters used in node name '#{name}' " +
"(note: Vagrant does not allow hyphens or underscores)"
else
Util.assert! name =~ /^[0-9a-z-]+$/,
"illegal characters used in node name '#{name}' " +
"(note: Linux does not allow underscores)"
end
end
private
#
# 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
end
end; end
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