2020-05-11 21:22:12 +02:00
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#!/usr/bin/env perl
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#
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# Copyright (c) 2019-2020 Mischa Peters <mischa @ openbsd.amsterdam>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# vmm(4)/vmd(8) VM deploy script for OpenBSD Amsterdam
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# 2018/12/17 version 3 - Perl again! :)
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# 2018/12/19 added: default disk and memory size VM options
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# 2018/12/20 added: extra interface option for a VM
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# 2019/04/14 changed: $dir in conf path load
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# 2019/05/07 added: disk format option, img or qcow2
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# 2019/05/31 added: check for OpenBSD 6.6 vmctl command line syntax change
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# 2019/09/29 added: doas.conf for pkill option
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# 2020/05/10 changed: includes all install sets, inline with sysupgrade
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2020-05-22 20:01:55 +02:00
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# 2020/05/22 changed: set the hosts password for the users
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2020-05-24 13:11:17 +02:00
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# 2020/05/24 changed: add staggered option to vm.conf, leave disable for now
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2020-05-11 21:22:12 +02:00
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#
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use 5.024;
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use strict;
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use warnings;
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use autodie;
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use Cwd qw(cwd);
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use User::pwent;
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# fuction to parse _deploy.conf and vm*.txt files
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# all variables are stripped and added to either %vms or %conf
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sub get_variables {
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my ($hash_name, @files) = @_;
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my %hash;
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my $filename;
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my $vm_name;
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my $vm_number;
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for my $file (@files) {
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# When hash is 'vms' use the vm_name as key
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# Otherwise use 'conf' as key
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if ($hash_name eq "vms") {
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($filename = $file) =~ s/.*\///;
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($vm_name = $filename) =~ s/\.txt//;
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($vm_number = $vm_name) =~ s/^vm//;
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$hash{$vm_name}{'vm_number'} = $vm_number;
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}
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open my $fh, "<", "$file";
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while (my $row = <$fh>) {
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next if ($row =~ /^\s*($|#)/);
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2020-05-22 19:04:47 +02:00
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chomp($row);
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2020-05-11 21:22:12 +02:00
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(my $key, my $val) = split(/=/, $row, 2);
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if ($hash_name eq "vms") {
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($hash{$vm_name}{$key} .= $val) =~ s/^"+|"+$//g;
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} else {
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($hash{$hash_name}{$key} .= $val) =~ s/^"+|"+$//g;
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}
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}
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close $fh;
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}
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return %hash;
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}
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# function to render the vm.conf(5) file
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# if the disk image file doesn't exist "boot bsd.rd" is used
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# if the disk image file exists "boot bsd.rd" won't be used
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sub render_vm_conf {
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my %conf = %{$_[0]};
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my %vms = %{$_[1]};
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my $_etc = $conf{'conf'}{'ETC'};
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open my $fh_vm, ">", "$_etc/vm.conf";
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printf $fh_vm "#\n# File generated by deploy.pl\n#\n";
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2020-05-24 11:29:22 +02:00
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printf $fh_vm "socket owner :%s\n", $conf{'conf'}{'VMDUSERS'};
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2020-05-24 15:32:29 +02:00
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printf $fh_vm "staggered start parallel 2 delay 90\n\n";
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2020-05-11 21:22:12 +02:00
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printf $fh_vm "switch \"%s\" {\n", $conf{'conf'}{'SWITCH'};
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printf $fh_vm "\tinterface %s\n", $conf{'conf'}{'INTERFACE'};
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printf $fh_vm "}\n\n";
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if ($conf{'conf'}{'SWITCH2'}) {
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printf $fh_vm "switch \"%s\" {\n", $conf{'conf'}{'SWITCH2'};
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printf $fh_vm "\tinterface %s\n", $conf{'conf'}{'INTERFACE2'};
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printf $fh_vm "}\n\n";
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}
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for my $vm_name (sort keys %vms) {
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my $_instance = $vms{$vm_name}{'instance'} || $vm_name;
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my $_disk_format = $vms{$vm_name}{'format'} || $conf{'conf'}{'FORMAT'};
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my $_disk = $conf{'conf'}{'IMAGES'} . "/" . $_instance . "." . $_disk_format;
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my $_disk2 = $conf{'conf'}{'IMAGES'} . "/" . $_instance . "_extra." . $_disk_format if $vms{$vm_name}{'disk2'};
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my $_owner = $vms{$vm_name}{'owner'} || $vms{$vm_name}{'username'};
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my $_memory = $vms{$vm_name}{'memory'} || $conf{'conf'}{'MEMORY'};
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my $_boot = $conf{'conf'}{'IMAGES'} . "/bsd.rd";
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my $_switch = $vms{$vm_name}{'switch'} || $conf{'conf'}{'SWITCH'};
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my $_switch2 = $vms{$vm_name}{'switch2'};
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my $_mac = $vms{$vm_name}{'mac'} || $conf{'conf'}{'MAC_PREFIX'} . ":" . $vms{$vm_name}{'vm_number'};
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printf $fh_vm "vm \"%s\" {\n", $_instance;
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2020-05-24 13:11:17 +02:00
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printf $fh_vm "\tdisable\n";
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2020-05-11 21:22:12 +02:00
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printf $fh_vm "\towner %s\n", $_owner;
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printf $fh_vm "\tmemory %s\n", $_memory if $_memory;
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printf $fh_vm "\tboot \"%s\"\n", $_boot if (! -e $_disk);
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printf $fh_vm "\tdisk \"%s\"\n", $_disk;
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printf $fh_vm "\tdisk \"%s\"\n", $_disk2 if $_disk2;
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printf $fh_vm "\tinterface tap {\n";
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printf $fh_vm "\t\tswitch \"%s\"\n", $_switch;
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printf $fh_vm "\t\tlladdr %s\n", $_mac;
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printf $fh_vm "\t}\n";
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printf $fh_vm "\tinterface tap { switch \"%s\" }\n", $_switch2 if $_switch2;
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printf $fh_vm "}\n";
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}
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close $fh_vm;
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}
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# function to render the dhcpd.conf(5) file
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# if the disk image file doesn't exist "auto_install" is used as filename
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# if the disk image file exists "auto_upgrade" is used as filename
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sub render_dhcpd_conf {
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my %conf = %{$_[0]};
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my %vms = %{$_[1]};
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my $_etc = $conf{'conf'}{'ETC'};
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open my $fh_dhcpd, ">", "$_etc/dhcpd.conf";
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printf $fh_dhcpd "#\n# File generated by deploy.pl\n#\n";
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printf $fh_dhcpd "option domain-name \"%s\";\n", $conf{'conf'}{'DOMAIN'};
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printf $fh_dhcpd "option domain-name-servers %s;\n\n", $conf{'conf'}{'DNS'};
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printf $fh_dhcpd "subnet %s netmask %s {\n", $conf{'conf'}{'SUBNET'}, $conf{'conf'}{'NETMASK'};
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printf $fh_dhcpd "\toption routers %s;\n", $conf{'conf'}{'ROUTER'};
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printf $fh_dhcpd "\tserver-name \"%s.%s\";\n", $conf{'conf'}{'SERVER'}, $conf{'conf'}{'DOMAIN'};
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for my $vm_name (sort keys %vms) {
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my $_instance = $vms{$vm_name}{'instance'} || $vm_name;
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my $_disk_format = $vms{$vm_name}{'format'} || $conf{'conf'}{'FORMAT'};
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my $_disk = $conf{'conf'}{'IMAGES'} . "/" . $_instance . "." . $_disk_format;
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my $_mac = $vms{$vm_name}{'mac'} || $conf{'conf'}{'MAC_PREFIX'} . ":" . $vms{$vm_name}{'vm_number'};
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my $_ip = $vms{$vm_name}{'ip'} || $conf{'conf'}{'IP_PREFIX'} . "." . ($conf{'conf'}{'IP_START'} + $vms{$vm_name}{'vm_number'});
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my $_hostname = $vms{$vm_name}{'hostname'};
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printf $fh_dhcpd "\thost %s {\n", $_instance;
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printf $fh_dhcpd "\t\thardware ethernet %s;\n", $_mac;
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printf $fh_dhcpd "\t\tfixed-address %s;\n", $_ip;
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if (! -e $_disk) {
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printf $fh_dhcpd "\t\tfilename \"auto_install\";\n";
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} else {
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printf $fh_dhcpd "\t\tfilename \"auto_upgrade\";\n";
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}
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printf $fh_dhcpd "\t\toption host-name \"%s\";\n", $_hostname;
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printf $fh_dhcpd "\t}\n";
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}
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printf $fh_dhcpd "}\n";
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close $fh_dhcpd;
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}
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# function to render the <MAC>-install.conf file for initial
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# provisioning using autoinstall(8)
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sub render_install_conf {
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my %conf = %{$_[0]};
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my %vms = %{$_[1]};
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printf "autoinstall(8) files:\n";
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for my $vm_name (sort keys %vms) {
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my $_instance = $vms{$vm_name}{'instance'} || $vm_name;
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my $_disk_format = $vms{$vm_name}{'format'} || $conf{'conf'}{'FORMAT'};
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my $_disk = $conf{'conf'}{'IMAGES'} . "/" . $_instance . "." . $_disk_format;
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my $_mac = $vms{$vm_name}{'mac'} || $conf{'conf'}{'MAC_PREFIX'} . ":" . $vms{$vm_name}{'vm_number'};
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my $_htdocs = $conf{'conf'}{'HTDOCS'};
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if (! -e $_disk) {
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my $_hostname = $vms{$vm_name}{'hostname'};
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2020-05-22 19:19:56 +02:00
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my $jot_pass = qx(jot -rcs '' 20 33 126);
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chomp($jot_pass);
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2020-05-11 21:22:12 +02:00
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my $_ipv6 = $conf{'conf'}{'IPV6_PREFIX'} . ":" . ($conf{'conf'}{'IPV6_START'} + $vms{$vm_name}{'vm_number'}) . "::" . ($conf{'conf'}{'IP_START'} + $vms{$vm_name}{'vm_number'});
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my $_ipv6_gateway = $conf{'conf'}{'IPV6_PREFIX'} . ":" . ($conf{'conf'}{'IPV6_START'} + $vms{$vm_name}{'vm_number'}) . "::1";
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my $_username = $vms{$vm_name}{'username'};
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my $_sshkey = $vms{$vm_name}{'sshkey'};
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open my $fh_install, ">", "$_htdocs/$_mac-install.conf";
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printf $fh_install "#\n# File generated by deploy.pl\n#\n";
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printf $fh_install "System hostname = %s\n", $_hostname;
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2020-05-22 19:19:56 +02:00
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printf $fh_install "Password for root = %s\n", $jot_pass;
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2020-05-11 21:22:12 +02:00
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printf $fh_install "Which speed should com0 = 115200\n";
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printf $fh_install "Network interfaces = vio0\n";
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printf $fh_install "IPv4 address for vio0 = dhcp\n";
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printf $fh_install "IPv6 address for vio0 = %s\n", $_ipv6;
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printf $fh_install "IPv6 default router = %s\n", $_ipv6_gateway;
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printf $fh_install "Setup a user = %s\n", $_username;
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2020-05-22 19:19:56 +02:00
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printf $fh_install "Password for user = %s\n", $jot_pass;
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printf $fh_install "Public ssh key for user = %s %s\n", $_sshkey, $jot_pass;
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2020-05-11 21:22:12 +02:00
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printf $fh_install "Which disk is the root disk = sd0\n";
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printf $fh_install "What timezone are you in = Europe/Amsterdam\n";
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printf $fh_install "Location of sets = http\n";
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printf $fh_install "Server = openbsd.amsterdam\n";
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printf $fh_install "Set name(s) = +site*\n";
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printf $fh_install "Continue anyway = yes\n";
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printf $fh_install "Continue without verification = yes\n";
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close $fh_install;
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printf "%16s %s created\n", $_instance, $_htdocs . "/" . $_mac . "-install.conf";
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} elsif (-e $_disk && -e "$_htdocs/$_mac-install.conf") {
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unlink "$_htdocs/$_mac-install.conf" or warn "Unable to unlink file: $!\n";
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printf "%16s %s deleted\n", $_instance, $_htdocs . "/" . $_mac . "-install.conf";
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}
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}
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}
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# function to render the doas.conf(5) file
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sub render_doas_conf {
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my %conf = %{$_[0]};
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my %vms = %{$_[1]};
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my $_etc = $conf{'conf'}{'ETC'};
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open my $fh_doas, ">", "$_etc/doas.conf";
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printf $fh_doas "permit nopass setenv { ENV PS1 SSH_AUTH_SOCK PATH=\$PATH HOME=\$HOME USER=\$USER } mischa\n";
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printf $fh_doas "permit nopass keepenv root as root\n";
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for my $vm_name (sort keys %vms) {
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my $_instance = $vms{$vm_name}{'instance'} || $vm_name;
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my $_owner = $vms{$vm_name}{'owner'} || $vms{$vm_name}{'username'};
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printf $fh_doas "permit nopass %s as root cmd pkill args -9 -f %s\n", $_owner, $_instance;
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}
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close $fh_doas;
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}
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# function to create accounts on the host for vmctl(8) access
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sub create_accounts {
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my %conf = %{$_[0]};
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my %vms = %{$_[1]};
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2020-05-26 20:24:56 +02:00
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printf "useradd(8) users:\n";
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2020-05-11 21:22:12 +02:00
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for my $vm_name (sort keys %vms) {
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my $_instance = $vms{$vm_name}{'instance'} || $vm_name;
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my $_owner = $vms{$vm_name}{'owner'} || $vms{$vm_name}{'username'};
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my $_group = $conf{'conf'}{'VMDUSERS'};
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my $_sshkey = $vms{$vm_name}{'sshkey'};
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my $id = getpwnam("$_owner");
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if (! $id) {
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2020-05-22 19:19:56 +02:00
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my $jot_pass = qx(jot -rcs '' 20 43 125);
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chomp($jot_pass);
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2020-05-22 19:21:42 +02:00
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my $encrypt_pass = qx(encrypt '${jot_pass}');
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2020-05-22 19:19:56 +02:00
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chomp($encrypt_pass);
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my $output = qx(/usr/sbin/useradd -m -G $_group -p '${encrypt_pass}' $_owner);
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2020-05-11 21:22:12 +02:00
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open my $fh_authorized, ">>", "/home/$_owner/.ssh/authorized_keys";
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2020-05-22 20:01:55 +02:00
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printf $fh_authorized "%s\n", $_sshkey;
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2020-05-11 21:22:12 +02:00
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close $fh_authorized;
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printf "%16s %s account created\n", $_instance, $_owner;
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}
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}
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}
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# function to create the disk image files for vmm(4)/vmd(8)
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sub create_img_files {
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my %conf = %{$_[0]};
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my %vms = %{$_[1]};
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my $_VERSION = qx(uname -r);
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my $vmctl_create;
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printf "vmm(4)/vmd(8) files:\n";
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for my $vm_name (sort keys %vms) {
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my $_instance = $vms{$vm_name}{'instance'} || $vm_name;
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my $_disk_format = $vms{$vm_name}{'format'} || $conf{'conf'}{'FORMAT'};
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my $_disk = $conf{'conf'}{'IMAGES'} . "/" . $_instance . "." . $_disk_format;
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my $_disk_size = $vms{$vm_name}{'disk'} || $conf{'conf'}{'DISKSIZE'};
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my $_disk2 = $conf{'conf'}{'IMAGES'} . "/" . $_instance . "_extra." . $_disk_format if $vms{$vm_name}{'disk2'};
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my $_disk2_size = $vms{$vm_name}{'disk2'} if $vms{$vm_name}{'disk2'};
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|
|
|
if (! -e $_disk) {
|
|
|
|
if ($_VERSION < 6.6) {
|
|
|
|
$vmctl_create= "vmctl create $_disk -s $_disk_size 2>&1";
|
|
|
|
} else {
|
|
|
|
$vmctl_create= "vmctl create -s $_disk_size $_disk 2>&1";
|
|
|
|
}
|
|
|
|
my $output = qx($vmctl_create);
|
|
|
|
if ($? == 0) {
|
|
|
|
printf "%16s %s created (size %s)\n", $_instance, $_disk, $_disk_size;
|
|
|
|
} else {
|
|
|
|
printf "%16s %s NOT created!!!\n", $_instance, $_disk;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ($_disk2) {
|
|
|
|
if (! -e $_disk2) {
|
|
|
|
if ($_VERSION < 6.6) {
|
|
|
|
$vmctl_create = "vmctl create $_disk2 -s $_disk2_size 2>&1";
|
|
|
|
} else {
|
|
|
|
$vmctl_create = "vmctl create -s $_disk2_size $_disk2 2>&1";
|
|
|
|
}
|
|
|
|
my $output = qx($vmctl_create);
|
|
|
|
if ($? == 0) {
|
|
|
|
printf "%16s %s created (size %s)\n", $_instance, $_disk2, $_disk2_size;
|
|
|
|
} else {
|
|
|
|
printf "%16s %s NOT created (size %s)!!!\n", $_instance, $_disk2, $_disk2_size;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
# function to print all keys & values for debug purposes
|
|
|
|
sub debug_parse {
|
|
|
|
my %conf = %{$_[0]};
|
|
|
|
my %vms = %{$_[1]};
|
|
|
|
|
|
|
|
for my $vm_name (sort keys %vms) {
|
|
|
|
for my $key (keys %{$vms{$vm_name}}) {
|
|
|
|
printf "VMS: %s %s = %s\n", $vm_name, $key, $vms{$vm_name}{$key};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
# check if _deploy.conf exists in current working directory
|
|
|
|
my %conf;
|
|
|
|
my $dir = cwd;
|
|
|
|
if (-e "$dir/_deploy.conf") {
|
|
|
|
%conf = get_variables('conf', "$dir/_deploy.conf");
|
|
|
|
} else {
|
|
|
|
printf "Unable to find config file in current directory (%s).\n", $dir;
|
|
|
|
printf "Create the config file _deploy.conf in %s.\n", $dir;
|
|
|
|
exit 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
# parse all vm*.txt files in the VMS directory
|
|
|
|
my %vms;
|
|
|
|
my @files = glob "$conf{'conf'}{'VMS'}/*.txt";
|
|
|
|
%vms = get_variables('vms', @files);
|
|
|
|
|
|
|
|
# run all functions
|
|
|
|
#debug_parse(\%conf, \%vms);
|
|
|
|
render_vm_conf(\%conf, \%vms);
|
|
|
|
render_dhcpd_conf(\%conf, \%vms);
|
|
|
|
render_install_conf(\%conf, \%vms);
|
|
|
|
create_accounts(\%conf, \%vms);
|
|
|
|
create_img_files(\%conf, \%vms);
|
|
|
|
render_doas_conf(\%conf, \%vms);
|