KVM_AutoBoot
The KVM_AutoBoot is a service (bash script) that boots your KVM's VMs (virtual machines) at your server's boot.
Currently KVM_AutoBoot is only compatible with CentOS 7, however adjusting it to work with other distros will be simple.
NOTE: The KVM_AutoBoot uses libvirt.
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Download and start the KVM_AutoBoot installer...
yum -y install git-core
cd /usr/local/src
git clone https://github.com/eduardolucioac/kvm_autoboot.git
cd /usr/local/src/kvm_autoboot
bash install.bash
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[ CONTINUE: q ]
> ------------------------------------------------
KVM_AutoBoot Installer (0.0.1.0)
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> ABOUT:
This script will install KVM_AutoBoot!
.~. Have fun! =D
/V\
// \\ Tux
/( )\
^`~'^
> WARNINGS:
- This installer is compatible with Centos 7.
[...]
... read the introductions and proceed by pressing "q".
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> ------------------------------------------------
LICENSE/TERMS:
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BSD 3-Clause License
Copyright (c) 2019, Eduardo Lúcio Amorim Costa
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
[...]
... read the license (BSD 3-Clause License) and proceed by pressing "q".
In the excerpt...
[...]
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BY ANSWERING YES (y) YOU WILL AGREE WITH TERMS AND CONDITIONS PRESENTED! PROCEED? (y/n)
[...]
... inform that you read and accepted the license by pressing "y" (if you agree with the license, of course).
In the excerpt...
> ------------------------------------------------
INSTRUCTIONS:
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The KVM_AutoBoot is a service that boots your KVM's VMs (virtual machines) at your server's boot.
The KVM_AutoBoot's service is started during server's boot after the libvirt's service ("libvirtd.service") starts.
After booting all the VMs defined in the BOOT_ORDER list - configuration file "/usr/local/kvm_autoboot/conf/conf.bash" - respecting the boot's interval defined for each one, the KVM_AutoBoot's service ends. If there are no VMs defined in the BOOT_ORDER list, the KVM_AutoBoot's service stops immediately.
To cancel installation at any time use Ctrl+c.
< ------------------------------------------------
Press enter to continue...
... read the instructions and proceed by pressing "q".
In the excerpt...
[...]
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Install KVM_AutoBoot? (y/n)
... enter "y" to start the installation.
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[ CONTINUE: q ]
> ------------------------------------------------
Installer finished! Thanks!
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> USEFUL INFORMATION:
To configure KVM_AutoBoot...
vi /usr/local/kvm_autoboot/conf/conf.bash
Installation Log...
vi /usr/local/src/kvm_autoboot/installation.log
KVM_AutoBoot's executable bash script...
/usr/local/kvm_autoboot/kvm_autoboot.bash
KVM_AutoBoot's service logs...
/var/log/kvm_autoboot/*
... press "q" and the installation will be complete.
Configure KVM_AutoBoot
Open the configuration file...
vi /usr/local/kvm_autoboot/conf/conf.bash
... and in the BOOT_ORDER parameter inform which VMs (virtual machines) should be booted at server boot...
BOOT_ORDER=("VM_NAME0" CUSTOM_INTERV1 "VM_NAME1" CUSTOM_INTERV2 "VM_NAME2")
NOTE: The BOOT_ORDER list - actually a bash "array" - should contain the names of the VMs in the desired boot order and the interval to be used before each VM in the sequence (in seconds). The first VM in the list will be initialized with the service and the others after the interval defined immediately before their name. If the interval is set to "-1", the default interval (BOOT_DEF_INTERV) will be used.
To test - if you want - start the KVM_AutoBoot service with the command...
systemctl start kvm_autoboot.service
NOTE: The service will stop after starting all the VMs in the BOOT_ORDER list.
TIPS:
I - To list the KVM's virtual machines names...
virsh list --all;
II - To check the KVM_AutoBoot's service status...
systemctl status kvm_autoboot.service;
III - To track the last KVM_AutoBoot's execution log...
cd /var/log/kvm_autoboot/ && less +F $(ls -Art | tail -n 1).
KVM_AutoBoot 🄯 BSD-3-Clause
Eduardo Lúcio Amorim Costa
Brazil-DF 🇧🇷
https://www.linkedin.com/in/eduardo-software-livre/