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|
require 'fileutils'
module LeapCli; module Path
NAMED_PATHS = {
# directories
:hiera_dir => 'hiera',
:files_dir => 'files',
:nodes_dir => 'nodes',
:services_dir => 'services',
:tags_dir => 'tags',
# input config files
:common_config => 'common.json',
:provider_config => 'provider.json',
:node_config => 'nodes/#{arg}.json',
:service_config => 'services/#{arg}.json',
:tag_config => 'tags/#{arg}.json',
# output files
:user_ssh => 'users/#{arg}/#{arg}_ssh.pub',
:user_pgp => 'users/#{arg}/#{arg}_pgp.pub',
:hiera => 'hiera/#{arg}.yaml',
:node_ssh_pub_key => 'files/nodes/#{arg}/#{arg}_ssh_key.pub',
:known_hosts => 'files/ssh/known_hosts',
:authorized_keys => 'files/ssh/authorized_keys',
:ca_key => 'files/ca/ca.key',
:ca_cert => 'files/ca/ca.crt',
:dh_params => 'files/ca/dh.pem',
:node_x509_key => 'files/nodes/#{arg}/#{arg}.key',
:node_x509_cert => 'files/nodes/#{arg}/#{arg}.crt'
}
#
# required file structure
#
# Option 1 -- A project directory with platform and provider directories
#
# -: $root
# :-- leap_platform
# '-: provider
# '-- provider.json
#
# $root can be any name
#
# Option 2 -- A stand alone provider directory
#
# -: $provider
# '-- provider.json
#
# $provider can be any name. Some commands are not available.
#
# In either case, the 'leap' command must be run from inside the provider directory or
# you must specify root directory with --root=dir.
#
def self.root
@root ||= File.expand_path("#{provider}/..")
end
def self.platform
@platform ||= File.expand_path("#{root}/leap_platform")
end
def self.platform_provider
"#{platform}/provider"
end
def self.provider
@provider ||= if @root
File.expand_path("#{root}/provider")
else
find_in_directory_tree('provider.json')
end
end
def self.ok?
provider != '/'
end
def self.set_root(root_path)
@root = File.expand_path(root_path)
raise "No such directory '#{@root}'" unless File.directory?(@root)
end
#
# all the places we search for a file when using find_file.
# this is perhaps too many places.
#
def self.search_path
@search_path ||= begin
search_path = []
[Path.platform_provider, Path.provider].each do |provider|
files_dir = named_path(:files_dir, provider)
search_path << provider
search_path << named_path(:files_dir, provider)
search_path << named_path(:nodes_dir, files_dir)
search_path << named_path(:services_dir, files_dir)
search_path << named_path(:tags_dir, files_dir)
end
search_path
end
end
#
# tries to find a file somewhere with 'filename', under a directory 'name' if possible.
#
def self.find_file(name, filename)
# named path?
if filename.is_a? Symbol
path = named_path([filename, name], platform_provider)
return path if File.exists?(path)
path = named_path([filename, name], provider)
return path if File.exists?(path)
end
# otherwise, lets search
search_path.each do |path_root|
path = [path_root, name, filename].join('/')
return path if File.exists?(path)
end
search_path.each do |path_root|
path = [path_root, filename].join('/')
return path if File.exists?(path)
end
# give up
return nil
end
#
# Three ways of calling:
#
# - named_path [:user_ssh, 'bob'] ==> 'users/bob/bob_ssh.pub'
# - named_path :known_hosts ==> 'files/ssh/known_hosts'
# - named_path '/tmp/x' ==> '/tmp/x'
#
def self.named_path(name, provider_dir=Path.provider)
if name.is_a? Array
if name.length > 2
arg = name[1..-1]
name = name[0]
else
name, arg = name
end
else
arg = nil
end
if name.is_a? Symbol
Util::assert!(NAMED_PATHS[name], "Error, I don't know the path for :#{name} (with argument '#{arg}')")
filename = eval('"' + NAMED_PATHS[name] + '"')
return provider_dir + '/' + filename
else
return name
end
end
def self.exists?(name, provider_dir=nil)
File.exists?(named_path(name, provider_dir))
end
private
def self.find_in_directory_tree(filename)
search_dir = Dir.pwd
while search_dir != "/"
Dir.foreach(search_dir) do |f|
return search_dir if f == filename
end
search_dir = File.dirname(search_dir)
end
return search_dir
end
end; end
|
