/
uptime.rb
32 lines (28 loc) · 1.04 KB
/
uptime.rb
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#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Copyright:: Copyright (c) 2009 Bryan McLellan
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
provides "uptime", "uptime_seconds"
# kern.boottime: { sec = 1232765114, usec = 823118 } Fri Jan 23 18:45:14 2009
popen4("/usr/sbin/sysctl kern.boottime") do |pid, stdin, stdout, stderr|
stdin.close
stdout.each do |line|
if line =~ /kern.boottime:\D+(\d+)/
uptime_seconds Time.new.to_i - $1.to_i
uptime seconds_to_human(uptime_seconds)
end
end
end