#!/usr/bin/env bash

# Copyright 2014 The Kubernetes Authors.
#
# 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.


MASTER_ADDRESS=${1:-"8.8.8.18"}

cat <<EOF >/opt/kubernetes/cfg/kube-scheduler
###
# kubernetes scheduler config

# --logtostderr=true: log to standard error instead of files
KUBE_LOGTOSTDERR="--logtostderr=true"

# --v=0: log level for V logs
KUBE_LOG_LEVEL="--v=4"

KUBE_MASTER="--master=${MASTER_ADDRESS}:8080"

# --leader-elect
KUBE_LEADER_ELECT="--leader-elect"

# Add your own!
KUBE_SCHEDULER_ARGS=""

EOF

KUBE_SCHEDULER_OPTS="   \${KUBE_LOGTOSTDERR}     \\
                        \${KUBE_LOG_LEVEL}       \\
                        \${KUBE_MASTER}          \\
                        \${KUBE_LEADER_ELECT}    \\
                        \$KUBE_SCHEDULER_ARGS"

cat <<EOF >/usr/lib/systemd/system/kube-scheduler.service
[Unit]
Description=Kubernetes Scheduler
Documentation=https://github.com/kubernetes/kubernetes

[Service]
EnvironmentFile=-/opt/kubernetes/cfg/kube-scheduler
ExecStart=/opt/kubernetes/bin/kube-scheduler ${KUBE_SCHEDULER_OPTS}
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable kube-scheduler
systemctl restart kube-scheduler
