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require 'puppet/file_serving/configuration'
require 'puppet/util/loadedfile'
class Puppet::FileServing::Configuration::Parser < Puppet::Util::LoadedFile
Mount = Puppet::FileServing::Mount
MODULES = 'modules'
# Parse our configuration file.
def parse
raise("File server configuration #{self.file} does not exist") unless FileTest.exists?(self.file)
raise("Cannot read file server configuration #{self.file}") unless FileTest.readable?(self.file)
@mounts = {}
@count = 0
File.open(self.file) { |f|
mount = nil
f.each { |line|
# Have the count increment at the top, in case we throw exceptions.
@count += 1
case line
when /^\s*#/; next # skip comments
when /^\s*$/; next # skip blank lines
when /\[([-\w]+)\]/
mount = newmount($1)
when /^\s*(\w+)\s+(.+?)(\s*#.*)?$/
var = $1
value = $2
value.strip!
raise(ArgumentError, "Fileserver configuration file does not use '=' as a separator") if value =~ /^=/
case var
when "path"
path(mount, value)
when "allow"
allow(mount, value)
when "deny"
deny(mount, value)
else
raise ArgumentError.new("Invalid argument '#{var}'", @count, file)
end
else
raise ArgumentError.new("Invalid line '#{line.chomp}'", @count, file)
end
}
}
validate
@mounts
end
private
# Allow a given pattern access to a mount.
def allow(mount, value)
# LAK:NOTE See http://snurl.com/21zf8 [groups_google_com]
x = value.split(/\s*,\s*/).each { |val|
begin
mount.info "allowing #{val} access"
mount.allow(val)
rescue Puppet::AuthStoreError => detail
raise ArgumentError.new(detail.to_s, @count, file)
end
}
end
# Deny a given pattern access to a mount.
def deny(mount, value)
# LAK:NOTE See http://snurl.com/21zf8 [groups_google_com]
x = value.split(/\s*,\s*/).each { |val|
begin
mount.info "denying #{val} access"
mount.deny(val)
rescue Puppet::AuthStoreError => detail
raise ArgumentError.new(detail.to_s, @count, file)
end
}
end
# Create a new mount.
def newmount(name)
raise ArgumentError, "#{@mounts[name]} is already mounted at #{name}", @count, file if @mounts.include?(name)
case name
when "modules"
mount = Mount::Modules.new(name)
when "plugins"
mount = Mount::Plugins.new(name)
else
mount = Mount::File.new(name)
end
@mounts[name] = mount
mount
end
# Set the path for a mount.
def path(mount, value)
if mount.respond_to?(:path=)
begin
mount.path = value
rescue ArgumentError => detail
Puppet.err "Removing mount #{mount.name}: #{detail}"
@mounts.delete(mount.name)
end
else
Puppet.warning "The '#{mount.name}' module can not have a path. Ignoring attempt to set it"
end
end
# Make sure all of our mounts are valid. We have to do this after the fact
# because details are added over time as the file is parsed.
def validate
@mounts.each { |name, mount| mount.validate }
end
end
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