davidjumani 6ac834a358
Adding AutoScaling for cks + CKS CoreOS EOL update + systemvmtemplate improvements (#4329)
Adding AutoScaling support for cks
Kubernetes PR : kubernetes/autoscaler#3629
Also replaces CoreOS with Debian
Fixes #4198

Co-authored-by: Pearl Dsilva <pearl1594@gmail.com>
Co-authored-by: Pearl Dsilva <pearl.dsilva@shapeblue.com>
Co-authored-by: Wei Zhou <w.zhou@global.leaseweb.com>
Co-authored-by: Rohit Yadav <rohit.yadav@shapeblue.com>
2021-10-06 21:17:41 +05:30

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#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
set -e
set -x
# This is actually a bug in the conntrackd package. The comment in the conf file says stats logging is off by default
# but the parameter is set to on.
# After a couple weeks logrotate will rotate the conntrackd-stats.log file ans start conntracking even if we don't want
# it to (on non-redundant routers for instance).
function disable_conntrack_logging() {
grep "LogFile off" /etc/conntrackd/conntrackd.conf && return
sed -i '/Stats {/,/}/ s/LogFile on/LogFile off/' /etc/conntrackd/conntrackd.conf
rm -f /var/log/conntrackd-stats.log
}
function load_conntrack_modules() {
grep nf_conntrack_ipv4 /etc/modules && return
cat >> /etc/modules << EOF
nf_conntrack
nf_conntrack_ftp
nf_conntrack_pptp
nf_conntrack_proto_gre
nf_nat_tftp
nf_nat_ftp
EOF
}
function configure_conntrack() {
disable_conntrack_logging
load_conntrack_modules
}
return 2>/dev/null || configure_conntrack