monitorstack/monitorstack/plugins/uptime.py

55 lines
1.5 KiB
Python

# Copyright 2017, Major Hayden <major@mhtx.net>
#
# 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.
"""Get system uptime."""
import platform
import click
from monitorstack.cli import pass_context
DOC = """Get system uptime."""
COMMAND_NAME = 'uptime'
@click.command(COMMAND_NAME, short_help=DOC)
@pass_context
def cli(ctx):
"""Get system uptime."""
uptime = get_uptime()
output = {
'exit_code': 0,
'message': 'uptime is ok',
'measurement_name': 'system_uptime',
'meta': {
'platform': platform.platform()
},
'variables': {
'uptime': str(uptime)
}
}
return output
def get_uptime():
"""Read the uptime from the proc filesystem."""
with open('/proc/uptime', 'r') as f:
output = f.read()
# /proc/uptime outputs two numbers: seconds since start (which we want)
# and seconds the machine has spent idle (we don't want that)
uptime = output.split()[0]
return float(uptime)