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require "foreman/export"
require "pathname"
require "shellwords"
class Foreman::Export::Base
attr_reader :location
attr_reader :engine
attr_reader :options
attr_reader :formation
# deprecated
attr_reader :port
def initialize(location, engine, options={})
@location = location
@engine = engine
@options = options.dup
@formation = engine.formation
end
def export
error("Must specify a location") unless location
FileUtils.mkdir_p(location) rescue error("Could not create: #{location}")
chown user, log
chown user, run
end
def app
options[:app] || "app"
end
def log
options[:log] || "/var/log/#{app}"
end
def run
options[:run] || "/var/run/#{app}"
end
def user
options[:user] || app
end
private ######################################################################
def chown user, dir
FileUtils.chown user, nil, dir
rescue
error("Could not chown #{dir} to #{user}") unless File.writable?(dir) || ! File.exist?(dir)
end
def error(message)
raise Foreman::Export::Exception.new(message)
end
def say(message)
puts "[foreman export] %s" % message
end
def clean(filename)
return unless File.exist?(filename)
say "cleaning up: #{filename}"
FileUtils.rm(filename)
end
def clean_dir(dirname)
return unless File.exist?(dirname)
say "cleaning up directory: #{dirname}"
FileUtils.rm_r(dirname)
end
def shell_quote(value)
Shellwords.escape(value)
end
# deprecated
def old_export_template(exporter, file, template_root)
if template_root && File.exist?(file_path = File.join(template_root, file))
File.read(file_path)
elsif File.exist?(file_path = File.expand_path(File.join("~/.foreman/templates", file)))
File.read(file_path)
else
File.read(File.expand_path("../../../../data/export/#{exporter}/#{file}", __FILE__))
end
end
def export_template(name, file=nil, template_root=nil)
if file && template_root
old_export_template name, file, template_root
else
name_without_first = name.split("/")[1..-1].join("/")
matchers = []
matchers << File.join(options[:template], name_without_first) if options[:template]
matchers << File.expand_path("~/.foreman/templates/#{name}")
matchers << File.expand_path("../../../../data/export/#{name}", __FILE__)
File.read(matchers.detect { |m| File.exist?(m) })
end
end
def write_template(name, target, binding)
compiled = if ERB.instance_method(:initialize).parameters.assoc(:key) # Ruby 2.6+
ERB.new(export_template(name), trim_mode: '-').result(binding)
else
ERB.new(export_template(name), nil, '-').result(binding)
end
write_file target, compiled
end
def chmod(mode, file)
say "setting #{file} to mode #{mode}"
FileUtils.chmod mode, File.join(location, file)
end
def create_directory(dir)
say "creating: #{dir}"
FileUtils.mkdir_p(File.join(location, dir))
end
def create_symlink(link, target)
say "symlinking: #{link} -> #{target}"
FileUtils.symlink(target, File.join(location, link))
end
def write_file(filename, contents)
say "writing: #{filename}"
filename = File.join(location, filename) unless Pathname.new(filename).absolute?
File.open(filename, "w") do |file|
file.puts contents
end
end
end
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