10 |
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|
11 |
my ( $action, $VEID ) = @ARGV; |
my ( $action, $VEID ) = @ARGV; |
12 |
|
|
13 |
my $valid_actions = 'create|umount|destroy'; |
my $use_snapshot = 0; |
14 |
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|
15 |
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my $valid_actions = 'create|mount|umount|destroy'; |
16 |
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|
17 |
die "Usage: $0 ($valid_actions) VEID\n\n",vzlist unless $VEID && $action && $action =~ m/($valid_actions)/; |
die "Usage: $0 ($valid_actions) VEID\n\n",vzlist unless $VEID && $action && $action =~ m/($valid_actions)/; |
18 |
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|
19 |
if ( $action eq 'destroy' ) { |
my $CVEID = "10$VEID"; |
20 |
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21 |
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sub vzctl_stop { |
22 |
|
my $veid = shift; |
23 |
my $vzlist = vzlist(); |
my $vzlist = vzlist(); |
24 |
if ( $vzlist =~ m/$VEID/ ) { |
if ( $vzlist =~ m/$veid/ ) { |
25 |
print "stop $VEID\n"; |
print "stop $veid\n"; |
26 |
vzctl('stop', $VEID); |
vzctl('stop', $veid); |
27 |
} |
} |
28 |
} |
} |
29 |
|
|
30 |
if ( $action =~ m/(umount|destroy)/ ) { |
if ( $action eq 'create' ) { |
31 |
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vzctl_stop( $CVEID ); |
32 |
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} elsif ( $action eq 'destroy' ) { |
33 |
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vzctl_stop( $VEID ); |
34 |
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} |
35 |
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36 |
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37 |
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if ( $action =~ m/(create|umount|destroy)/ ) { |
38 |
my $clone; |
my $clone; |
39 |
open(my $m, '-|', 'mount') || die "can't open mount: $!"; |
open(my $m, '-|', 'mount') || die "can't open mount: $!"; |
40 |
while(<$m>) { |
while(<$m>) { |
41 |
my @v = split(/\s+/,$_); |
my @v = split(/\s+/,$_); |
42 |
if ( $v[2] =~ m!/(private|root)/$VEID$! && $v[5] =~ m/bind/ ) { |
if ( $v[2] =~ m!/(private|root)/$CVEID$! && $v[5] =~ m/bind/ ) { |
43 |
umount( $v[2] ); |
umount( $v[2] ); |
44 |
} elsif ( $v[2] =~ m!-clone-$VEID$! ) { |
} elsif ( $v[2] =~ m!vz-clone-$CVEID$! ) { |
45 |
$clone = $v[2]; |
$clone = $v[2]; |
46 |
} |
} |
47 |
} |
} |
48 |
umount( $clone ) if $clone; |
umount( $clone ) if $clone; |
|
} |
|
49 |
|
|
50 |
#die "unknown action: $action" unless $action eq 'create'; |
exit if $action eq 'umount'; |
51 |
exit unless $action eq 'create'; |
} |
52 |
|
|
|
my $CVEID = "10$VEID"; |
|
53 |
|
|
54 |
my $orig_conf = "/etc/vz/conf/$VEID.conf"; |
my $orig_conf = "/etc/vz/conf/$VEID.conf"; |
55 |
|
|
83 |
|
|
84 |
sub copy_files { |
sub copy_files { |
85 |
my ( $from, $to ) = @_; |
my ( $from, $to ) = @_; |
86 |
|
return if $action ne 'create'; |
87 |
warn "rsync $from -> $to\n"; |
warn "rsync $from -> $to\n"; |
88 |
rsync('-raSHAD', "$from/", "$to/" ); |
rsync('-raSHAD', '--delete', "$from/", "$to/" ); |
89 |
} |
} |
90 |
|
|
91 |
if ( $vz_lv ) { |
if ( $vz_lv ) { |
93 |
my ( $vz_lv_path, $vz_lv_name ) = ( $1, $2 ) if ( $vz_lv =~ m!^(.+)/([^/]+)$! ); |
my ( $vz_lv_path, $vz_lv_name ) = ( $1, $2 ) if ( $vz_lv =~ m!^(.+)/([^/]+)$! ); |
94 |
|
|
95 |
my $snap = $vz_lv_name . '-snap'; |
my $snap = $vz_lv_name . '-snap'; |
96 |
my $clone = "$vz_lv_name-clone-$CVEID"; |
my $clone = "vz-clone-$CVEID"; |
97 |
|
|
98 |
sub do_mount { |
sub do_mount { |
99 |
my ( $from, $to ) = @_; |
my ( $from, $to ) = @_; |
116 |
mount( '--bind', $from, $to ); |
mount( '--bind', $from, $to ); |
117 |
} |
} |
118 |
|
|
119 |
print "Creating $snap_size snapshot $snap from $vz_lv\n"; |
if ( $use_snapshot ) { |
|
lvcreate( '--size', $snap_size, '--snapshot', '--name', $snap, $vz_lv ); |
|
120 |
|
|
121 |
do_mount( "$vz_lv_path/$snap", "/tmp/$snap" ); |
print "Creating $snap_size snapshot $snap from $vz_lv\n"; |
122 |
|
lvcreate( '--size', $snap_size, '--snapshot', '--name', $snap, $vz_lv ); |
123 |
|
|
124 |
|
do_mount( "$vz_lv_path/$snap", "/tmp/$snap" ); |
125 |
|
|
126 |
|
} |
127 |
|
|
|
my $clone_size = fs_quota( $VEID ) . 'k'; |
|
128 |
my $vg_name = $1 if ( $vz_lv_path =~ m!/([^/]+)/*$! ); |
my $vg_name = $1 if ( $vz_lv_path =~ m!/([^/]+)/*$! ); |
129 |
|
|
130 |
if ( lvdisplay( "$vz_lv_path/$clone" ) ) { |
if ( lvdisplay( "$vz_lv_path/$clone" ) ) { |
131 |
warn "using existing $vz_lv_path/$clone\n"; |
warn "using existing $vz_lv_path/$clone\n"; |
132 |
} else { |
} else { |
133 |
|
my $clone_size = fs_quota( $VEID ) . 'k'; |
134 |
print "Creating LV $clone ($clone_size bytes) in VG $vg_name for $VEID clone filesystem\n"; |
print "Creating LV $clone ($clone_size bytes) in VG $vg_name for $VEID clone filesystem\n"; |
135 |
lvcreate( '--size', $clone_size, '--name', $clone, $vg_name ); |
lvcreate( '--size', $clone_size, '--name', $clone, $vg_name ); |
136 |
mke2fs( '-m', 0, '-j', "$vz_lv_path/$clone" ); |
mke2fs( '-m', 0, '-j', "$vz_lv_path/$clone" ); |
144 |
mount_bind( "/tmp/$clone/private", "$vz/private/$CVEID" ); |
mount_bind( "/tmp/$clone/private", "$vz/private/$CVEID" ); |
145 |
mount_bind( "/tmp/$clone/root", "$vz/root/$CVEID" ); |
mount_bind( "/tmp/$clone/root", "$vz/root/$CVEID" ); |
146 |
|
|
147 |
copy_files( "/tmp/$snap/private/$VEID", "$vz/private/$CVEID" ); |
if ( $use_snapshot ) { |
148 |
|
|
149 |
|
copy_files( "/tmp/$snap/private/$VEID", "/tmp/$clone/private" ); |
150 |
|
|
151 |
print "Cleanup\n"; |
print "Cleanup\n"; |
152 |
|
|
153 |
#umount( "$vz_lv_path/$clone" ); |
#umount( "$vz_lv_path/$clone" ); |
154 |
umount( "$vz_lv_path/$snap" ); |
umount( "$vz_lv_path/$snap" ); |
155 |
|
|
156 |
lvremove( '-f', "$vz_lv_path/$snap" ); |
lvremove( '-f', "$vz_lv_path/$snap" ); |
157 |
|
|
158 |
|
} else { |
159 |
|
copy_files( "$vz/private/$VEID", "/tmp/$clone/private" ); |
160 |
|
|
161 |
|
} |
162 |
|
|
163 |
} else { |
} else { |
164 |
|
|
165 |
copy_files( "$vz/private/$VEID", "$vz/private/$CVEID" ); |
copy_files( "$vz/private/$VEID", "$vz/private/$CVEID" ); |
166 |
} |
} |
167 |
|
|
168 |
|
exit if $action eq 'mount'; |
169 |
|
|
170 |
my $note = "# modified by $0\n"; |
my $note = "# modified by $0\n"; |
171 |
|
|
172 |
|
my $ve_clone_ip; |
173 |
|
|
174 |
sub fix_ip { |
sub fix_ip { |
175 |
my $ip = shift; |
my $ip = shift; |
176 |
$ip =~ s/['"]//g; |
$ip =~ s/['"]//g; |
177 |
$ip =~ s/^\d+\./10./; |
# $ip =~ s/^\d+\./10./; |
178 |
|
$ip =~ s/^\d+\.\d+\./192.168./; |
179 |
warn "$CVEID new IP number: $ip\n"; |
warn "$CVEID new IP number: $ip\n"; |
180 |
|
$ve_clone_ip = $ip; |
181 |
return $note . qq{IP_ADDRESS="$ip"}; |
return $note . qq{IP_ADDRESS="$ip"}; |
182 |
} |
} |
183 |
|
|
192 |
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: $!"; |
193 |
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: $!"; |
194 |
while(<$o>) { |
while(<$o>) { |
195 |
s!^HOSTNAME=(.*)$!fix_hostname($1)!ie; |
s{^HOSTNAME=(.*)$}{fix_hostname($1)}ie; |
196 |
s!^IP_ADDRESS=(.*)$!fix_ip($1)!ie; |
s{^IP_ADDRESS=(.*)$}{fix_ip($1)}ie; |
197 |
s!^(ONBOOT=).*$!# modified by $0\n$1"no"!i; |
s{^(ONBOOT=).*$}{# modified by $0\n$1"no"}i; |
198 |
print $n $_; |
print $n $_; |
199 |
} |
} |
200 |
|
|
201 |
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 "\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" |