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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>
76 lines
2.3 KiB
Bash
Executable File
76 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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set -e
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# Get the VM name and cmdline
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while getopts "n:c:h" opt; do
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case ${opt} in
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n )
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name=$OPTARG
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;;
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c )
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bootargs=$OPTARG
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cmdline=$(echo $OPTARG | base64 -w 0)
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;;
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h )
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echo "Usage: $0 -n [VM name] -c [command line]"
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exit 0
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;;
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esac
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done
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SSHKEY_FILE="/root/.ssh/id_rsa.pub.cloud"
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if [ ! -e $SSHKEY_FILE ]; then
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echo "SSH public key file $SSHKEY_FILE not found!"
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exit 1
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fi
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if ! which virsh > /dev/null; then
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echo "Libvirt CLI 'virsh' not found"
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exit 1
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fi
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# Read the SSH public key
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sshkey=$(cat $SSHKEY_FILE | base64 -w 0)
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# Method to send and write payload inside the VM
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send_file() {
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local name=${1}
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local path=${2}
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local content=${@:3}
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local fd=$(virsh qemu-agent-command $name "{\"execute\":\"guest-file-open\", \"arguments\":{\"path\":\"$path\",\"mode\":\"w+\"}}" | sed 's/[^:]*:\([^}]*\).*/\1/')
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virsh qemu-agent-command $name "{\"execute\":\"guest-file-write\", \"arguments\":{\"handle\":$fd,\"buf-b64\":\"$content\"}}" > /dev/null
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virsh qemu-agent-command $name "{\"execute\":\"guest-file-close\", \"arguments\":{\"handle\":$fd}}" > /dev/null
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}
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# Wait for the guest agent to come online
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while ! virsh qemu-agent-command $name '{"execute":"guest-ping"}' >/dev/null 2>&1
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do
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sleep 0.1
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done
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# Test guest agent sanity
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while [ "$(virsh qemu-agent-command $name '{"execute":"guest-sync","arguments":{"id":1234567890}}' 2>/dev/null)" != '{"return":1234567890}' ]
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do
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sleep 0.1
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done
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# Write cmdline payload
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send_file $name "/var/cache/cloud/cmdline" $cmdline
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