#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2019             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# tails. You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.


def inventory_k8s_pod_container(parsed):
    return [(None, {})]


def check_k8s_pod_container(_no_item, params, parsed):
    total = len(parsed)
    ready = sum(container['ready'] for container in parsed.itervalues())
    containers_state = collections.defaultdict(int)
    states = [0]
    for container in parsed.itervalues():
        containers_state[container["state"]] += 1
        states.append({
            "running": 0,
            "waiting": 1,
            "terminated": 0 if int(container["state_exit_code"]) == 0 else 2,
        }[container["state"]])
    perfdata = [
        ('docker_all_containers', total, None, None, 0, total),
        ('ready_containers', ready, None, None, 0, total),
    ]
    infotext = ", ".join((
        "Ready: %d/%d" % (ready, total),
        "Running: %d" % containers_state["running"],
        "Waiting: %d" % containers_state["waiting"],
        "Terminated: %d" % containers_state["terminated"],
    ))

    yield max(states), infotext, perfdata


check_info['k8s_pod_container'] = {
    'parse_function': parse_k8s,
    'inventory_function': inventory_k8s_pod_container,
    'check_function': check_k8s_pod_container,
    'service_description': 'Container',
    'has_perfdata': True,
    'includes': ['k8s.include'],
}
