6 |
my $vz = '/vz'; |
my $vz = '/vz'; |
7 |
my $conf = '/etc/vz/conf'; |
my $conf = '/etc/vz/conf'; |
8 |
|
|
9 |
my $snap_size = '100M'; |
my $snap_size = '1G'; |
10 |
|
|
11 |
my ( $action, $VEID ) = @ARGV; |
my ( $action, $VEID ) = @ARGV; |
12 |
|
|
13 |
my $use_snapshot = 0; |
my $use_snapshot = 1; |
14 |
|
|
15 |
my $valid_actions = 'create|mount|umount|destroy'; |
my $valid_actions = 'create|mount|umount|destroy'; |
16 |
|
|
34 |
} |
} |
35 |
|
|
36 |
|
|
37 |
if ( $action =~ m/(create|umount|destroy)/ ) { |
if ( $action =~ m{(create|umount|destroy)} ) { |
38 |
my $clone; |
my $clone; |
39 |
|
my $snap; |
40 |
open(my $m, '-|', 'mount') || die "can't open mount: $!"; |
open(my $m, '-|', 'mount') || die "can't open mount: $!"; |
41 |
while(<$m>) { |
while(<$m>) { |
42 |
my @v = split(/\s+/,$_); |
my @v = split(/\s+/,$_); |
43 |
if ( $v[2] =~ m!/(private|root)/$CVEID$! && $v[5] =~ m/bind/ ) { |
if ( $v[2] =~ m{/(private|root)/($VEID|$CVEID)$} && $v[5] =~ m{bind} ) { |
44 |
umount( $v[2] ); |
umount( $v[2] ); |
45 |
} elsif ( $v[2] =~ m!vz-clone-$CVEID$! ) { |
} elsif ( $v[2] =~ m{vz-clone-$CVEID$} ) { |
46 |
$clone = $v[2]; |
$clone = $v[2]; |
47 |
|
} elsif ( $v[2] =~ m{-snap} ) { |
48 |
|
$snap = $v[0]; |
49 |
|
umount( $snap ); |
50 |
} |
} |
51 |
} |
} |
52 |
umount( $clone ) if $clone; |
umount( $clone ) if $clone; |
53 |
|
if ( $action eq 'destroy' && -e $snap ) { |
54 |
|
lvremove( '-f', $snap ); |
55 |
|
exit; |
56 |
|
} |
57 |
|
|
58 |
exit if $action eq 'umount'; |
exit if $action eq 'umount'; |
59 |
} |
} |
98 |
|
|
99 |
if ( $vz_lv ) { |
if ( $vz_lv ) { |
100 |
|
|
101 |
my ( $vz_lv_path, $vz_lv_name ) = ( $1, $2 ) if ( $vz_lv =~ m!^(.+)/([^/]+)$! ); |
my ( $vz_lv_path, $vz_lv_name ) = ( $1, $2 ) if ( $vz_lv =~ m{^(.+)/([^/]+)$} ); |
102 |
|
|
103 |
my $snap = $vz_lv_name . '-snap'; |
my $snap = $vz_lv_name . '-snap'; |
104 |
my $clone = "vz-clone-$CVEID"; |
my $clone = "vz-clone-$CVEID"; |
131 |
|
|
132 |
do_mount( "$vz_lv_path/$snap", "/tmp/$snap" ); |
do_mount( "$vz_lv_path/$snap", "/tmp/$snap" ); |
133 |
|
|
134 |
} |
mount_bind( "/tmp/$snap/private/$VEID", "$vz/private/$CVEID" ); |
135 |
|
mount_bind( "/tmp/$snap/root/$VEID", "$vz/root/$CVEID" ); |
136 |
|
|
|
my $vg_name = $1 if ( $vz_lv_path =~ m!/([^/]+)/*$! ); |
|
|
|
|
|
if ( lvdisplay( "$vz_lv_path/$clone" ) ) { |
|
|
warn "using existing $vz_lv_path/$clone\n"; |
|
137 |
} else { |
} else { |
|
my $clone_size = fs_quota( $VEID ) . 'k'; |
|
|
print "Creating LV $clone ($clone_size bytes) in VG $vg_name for $VEID clone filesystem\n"; |
|
|
lvcreate( '--size', $clone_size, '--name', $clone, $vg_name ); |
|
|
mke2fs( '-m', 0, '-j', "$vz_lv_path/$clone" ); |
|
|
} |
|
|
|
|
|
do_mount( "$vz_lv_path/$clone", "/tmp/$clone" ); |
|
|
|
|
|
test_mkdir( "/tmp/$clone/private" ); |
|
|
test_mkdir( "/tmp/$clone/root" ); |
|
|
|
|
|
mount_bind( "/tmp/$clone/private", "$vz/private/$CVEID" ); |
|
|
mount_bind( "/tmp/$clone/root", "$vz/root/$CVEID" ); |
|
|
|
|
|
if ( $use_snapshot ) { |
|
|
|
|
|
copy_files( "/tmp/$snap/private/$VEID", "/tmp/$clone/private" ); |
|
138 |
|
|
139 |
print "Cleanup\n"; |
if ( lvdisplay( "$vz_lv_path/$clone" ) ) { |
140 |
|
warn "using existing $vz_lv_path/$clone\n"; |
141 |
|
} else { |
142 |
|
my $vg_name = $1 if ( $vz_lv_path =~ m{/([^/]+)/*$} ); |
143 |
|
my $clone_size = fs_quota( $VEID ) . 'k'; |
144 |
|
print "Creating LV $clone ($clone_size bytes) in VG $vg_name for $VEID clone filesystem\n"; |
145 |
|
lvcreate( '--size', $clone_size, '--name', $clone, $vg_name ); |
146 |
|
mke2fs( '-m', 0, '-j', "$vz_lv_path/$clone" ); |
147 |
|
} |
148 |
|
|
149 |
#umount( "$vz_lv_path/$clone" ); |
do_mount( "$vz_lv_path/$clone", "/tmp/$clone" ); |
|
umount( "$vz_lv_path/$snap" ); |
|
150 |
|
|
151 |
lvremove( '-f', "$vz_lv_path/$snap" ); |
test_mkdir( "/tmp/$clone/private" ); |
152 |
|
test_mkdir( "/tmp/$clone/root" ); |
153 |
|
|
|
} else { |
|
154 |
copy_files( "$vz/private/$VEID", "/tmp/$clone/private" ); |
copy_files( "$vz/private/$VEID", "/tmp/$clone/private" ); |
155 |
|
|
156 |
|
mount_bind( "/tmp/$clone/private", "$vz/private/$CVEID" ); |
157 |
|
mount_bind( "/tmp/$clone/root", "$vz/root/$CVEID" ); |
158 |
|
|
159 |
} |
} |
160 |
|
|
161 |
} else { |
} else { |
167 |
|
|
168 |
my $note = "# modified by $0\n"; |
my $note = "# modified by $0\n"; |
169 |
|
|
170 |
|
my $ve_clone_ip; |
171 |
|
|
172 |
sub fix_ip { |
sub fix_ip { |
173 |
my $ip = shift; |
my $ip = shift; |
174 |
$ip =~ s/['"]//g; |
$ip =~ s/['"]//g; |
175 |
# $ip =~ s/^\d+\./10./; |
# $ip =~ s/^\d+\./10./; |
176 |
$ip =~ s/^\d+\.\d+\./192.168./; |
$ip =~ s/^\d+\.\d+\./192.168./; |
177 |
warn "$CVEID new IP number: $ip\n"; |
warn "$CVEID new IP number: $ip\n"; |
178 |
|
$ve_clone_ip = $ip; |
179 |
return $note . qq{IP_ADDRESS="$ip"}; |
return $note . qq{IP_ADDRESS="$ip"}; |
180 |
} |
} |
181 |
|
|
190 |
open(my $o, '<', "$conf/$VEID.conf") || die "can't open $conf/$VEID.conf: $!"; |
open(my $o, '<', "$conf/$VEID.conf") || die "can't open $conf/$VEID.conf: $!"; |
191 |
open(my $n, '>', "$conf/$CVEID.conf") || die "can't open $conf/$CVEID.conf: $!"; |
open(my $n, '>', "$conf/$CVEID.conf") || die "can't open $conf/$CVEID.conf: $!"; |
192 |
while(<$o>) { |
while(<$o>) { |
193 |
s!^HOSTNAME=(.*)$!fix_hostname($1)!ie; |
s{^HOSTNAME=(.*)$}{fix_hostname($1)}ie; |
194 |
s!^IP_ADDRESS=(.*)$!fix_ip($1)!ie; |
s{^IP_ADDRESS=(.*)$}{fix_ip($1)}ie; |
195 |
s!^(ONBOOT=).*$!# modified by $0\n$1"no"!i; |
s{^(ONBOOT=).*$}{# modified by $0\n$1"no"}i; |
196 |
print $n $_; |
print $n $_; |
197 |
} |
} |
198 |
|
|
199 |
print "\nPlease review config file: $conf/$CVEID.conf\nAdd NAT for new VE with: iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE\nStart clone of $VEID with: vzctl start $CVEID\n" |
print $n qq{DISK_QUOTA="no"\n} if $use_snapshot; # don't wait for quota rebuild on startup |
200 |
|
|
201 |
|
print "\nPlease review config file: $conf/$CVEID.conf\nAdd NAT for new VE with: iptables -t nat -A POSTROUTING -s $ve_clone_ip -o eth0 -j MASQUERADE\nStart clone of $VEID with: vzctl start $CVEID\n" |
202 |
|
|