seasharp
/
anvil
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix(cgi-bin): complete draft of open and close VNC pipes

Browse Source
main
Tsu-ba-me 3 years ago
parent 154b4a7e15
commit 5208332b2d
1 changed files with 284 additions and 43 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 327
      cgi-bin/manage_vnc_ports

327
cgi-bin/manage_vnc_ports
Unescape View File

@ -133,7 +133,7 @@ sub is_websockify_exists
my $query = "
SELECT
vnc.server_vnc_port, hos.host_name, vnc.ws_pid
vnc.server_vnc_port, hos.host_name, vnc.ws_pid, vnc.ssh_tunnel_forward_port
FROM
public.vnc_pipes AS vnc
JOIN
@ -141,19 +141,20 @@ JOIN
ON
vnc.ws_host_uuid = hos.host_uuid
WHERE
server_uuid = ".$anvil->Database->quote($server_uuid)."
vnc.server_uuid = ".$anvil->Database->quote($server_uuid)."
;";
my $results = $anvil->Database->query({ query => $query, source => $THIS_FILE, line => __LINE__ });
my $count = @{$results};
my $is_exists = 0;
my $existing_websockify;
if ($count > 1)
if ($count > 0)
{
my $row = $results->[0];
my $server_vnc_port_in_record = $row->[0];
my $host_name = $row->[1];
my $ws_pid = $row->[2];
my $ssh_tunnel_forward_port = $row->[3];
my $clean_up_parameters = { host_name => $host_name, ws_pid => $ws_pid };
if ($server_vnc_port != $server_vnc_port_in_record)
@ -161,32 +162,89 @@ WHERE
# VNC server port mismatch/oudated; require clean up.
stop_websockify($clean_up_parameters);
stop_related($clean_up_parameters);
delete_vnc_pipe($clean_up_parameters);
return $is_exists;
return;
}
if (not is_websockify_process($clean_up_parameters))
{
# Process died; require clean up.
return $is_exists;
stop_related($clean_up_parameters);
delete_vnc_pipe($clean_up_parameters);
return;
}
# Passed all tests; process considered exists.
$is_exists = 1;
$existing_websockify = { ws_pid => $ws_pid, ssh_tunnel_forward_port => $ssh_tunnel_forward_port };
}
return $existing_websockify;
}
sub is_ssh_tunnel_exists
{
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $host_uuid = $parameters->{host_uuid};
my $query = "
SELECT
ssh_tunnel_pid
FROM
public.vnc_pipes
WHERE
server_uuid = ".$anvil->Database->quote($server_uuid)."
AND
ssh_tunnel_host_uuid = ".$anvil->Database->quote($host_uuid)."
;";
my $results = $anvil->Database->query({ query => $query, source => $THIS_FILE, line => __LINE__ });
my $count = @{$results};
my $existing_ssh_tunnel;
if ($count == 1)
{
my $row = $results->[0];
my $ssh_tunnel_pid = $row->[0];
my $clean_up_parameters = { ssh_tunnel_pid => $ssh_tunnel_pid };
if (not is_ssh_process($clean_up_parameters))
{
# Process died; require clean up.
stop_related($clean_up_parameters);
delete_vnc_pipe($clean_up_parameters);
return;
}
# Passed all tests; tunnel considered exists.
$existing_ssh_tunnel = { ssh_tunnel_pid => $ssh_tunnel_pid };
}
return $is_exists;
return $existing_ssh_tunnel;
}
sub start_websockify
{
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $host_name = $parameters->{host_name};
my $target_port = $parameters->{target_port};
my $ws_info;
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $host_name = $parameters->{host_name};
my $target_port = $parameters->{target_port};
my $ws_info = {};
if (not is_websockify_exists({ server_uuid => $server_uuid, server_vnc_port => $target_port }))
my $existing_websockify = is_websockify_exists({ server_uuid => $server_uuid, server_vnc_port => $target_port });
if (defined $existing_websockify)
{
$ws_info->{pid} = $existing_websockify->{ws_pid};
$ws_info->{source_port} = $existing_websockify->{ssh_tunnel_forward_port};
}
else
{
my $source_port_base = 10000;
my $source_port = $source_port_base + $target_port;
@ -200,13 +258,15 @@ sub start_websockify
if ($shell_return_code == 0)
{
my ($ws_pid) = $shell_output =~ /^pid:(\d+)$/;
my ($ws_pid) = $shell_output =~ /pid:(\d+)$/;
$ws_info = {};
$ws_info->{pid} = $ws_pid;
$ws_info->{source_port} = $source_port;
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => { ws_pid => $ws_pid } });
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
ws_pid => $ws_pid,
ws_source_port => $source_port
} });
}
}
@ -231,15 +291,58 @@ sub stop_websockify
}
}
sub start_ssh_tunnel
{
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $host_name = $parameters->{host_name};
my $ws_source_port = $parameters->{ws_source_port};
my $ssh_tunnel_info = {};
my $existing_ssh_tunnel = is_ssh_tunnel_exists({ server_uuid => $server_uuid });
if (defined $existing_ssh_tunnel)
{
$ssh_tunnel_info->{pid} = $existing_ssh_tunnel->{ssh_tunnel_pid};
}
else
{
my $shell_call = "ssh -nN -L ".$ws_source_port.":localhost:".$ws_source_port." ".$host_name." & echo pid:\$!";
my ($shell_output, $shell_return_code) = $anvil->System->call({ shell_call => $shell_call });
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
shell_output => $shell_output,
shell_return_code => $shell_return_code
} });
if ($shell_return_code == 0)
{
my ($ssh_tunnel_pid) = $shell_output =~ /pid:(\d+)$/;
$ssh_tunnel_info->{pid} = $ssh_tunnel_pid;
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => { ssh_tunnel_pid => $ssh_tunnel_pid } });
}
}
return $ssh_tunnel_info;
}
sub stop_ssh_tunnel
{
my $parameters = shift;
my $host_name = $parameters->{host_name};
my $ssh_tunnel_pid = $parameters->{ssh_tunnel_pid};
if (is_ssh_process($parameters))
{
my $shell_call = "kill -9 ".$ssh_tunnel_pid;
if (defined $host_name)
{
$shell_call = "ssh -n ".$host_name." \"".$shell_call."\"";
}
my ($shell_output, $shell_return_code) = $anvil->System->call({ shell_call => $shell_call });
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
shell_output => $shell_output,
@ -248,6 +351,52 @@ sub stop_ssh_tunnel
}
}
sub stop_related
{
my $parameters = shift;
my $ws_pid = $parameters->{ws_pid};
my $ssh_tunnel_pid = $parameters->{ssh_tunnel_pid};
my $select_pid_field;
my $condition_pid_field;
my $condition_pid_value;
my $stop_function;
if (defined $ws_pid)
{
$select_pid_field = "ssh_tunnel_pid";
$condition_pid_field = "ws_pid";
$condition_pid_value = $ws_pid;
$stop_function = \&stop_ssh_tunnel
}
elsif (defined $ssh_tunnel_pid)
{
$select_pid_field = "ws_pid";
$condition_pid_field = "ssh_tunnel_pid";
$condition_pid_value = $ssh_tunnel_pid;
$stop_function = \&stop_websockify
}
my $query = "
SELECT
hos.host_name, vnc.".$select_pid_field."
FROM
public.vnc_pipes AS vnc
JOIN
public.hosts AS hos
ON
vnc.ssh_tunnel_host_uuid = hos.host_uuid
WHERE
vnc.".$condition_pid_field." = ".$anvil->Database->quote($condition_pid_value)."
;";
my $results = $anvil->Database->query({ query => $query, source => $THIS_FILE, line => __LINE__ });
foreach my $row (@{$results})
{
$stop_function->({ host_name => $row->[0], ws_pid => $row->[1], ssh_tunnel_pid => $row->[1] });
}
}
sub create_vnc_pipes_table
{
my $query = "
@ -259,6 +408,7 @@ CREATE TABLE IF NOT EXISTS public.vnc_pipes (
ws_pid numeric not null,
ssh_tunnel_host_uuid uuid not null,
ssh_tunnel_pid numeric not null,
ssh_tunnel_forward_port numeric not null,
modified_date timestamp with time zone not null
);";
@ -274,23 +424,32 @@ sub drop_vnc_pipes_table
sub insert_vnc_pipe
{
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $server_vnc_port = $parameters->{server_vnc_port};
my $ws_host_uuid = $parameters->{ws_host_uuid};
my $ws_pid = $parameters->{ws_pid};
my $ssh_tunnel_host_uuid = $parameters->{ssh_tunnel_host_uuid};
my $ssh_tunnel_pid = $parameters->{ssh_tunnel_pid};
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $server_vnc_port = $parameters->{server_vnc_port};
my $ws_host_uuid = $parameters->{ws_host_uuid};
my $ws_pid = $parameters->{ws_pid};
my $ssh_tunnel_host_uuid = $parameters->{ssh_tunnel_host_uuid};
my $ssh_tunnel_pid = $parameters->{ssh_tunnel_pid};
my $ssh_tunnel_forward_port = $parameters->{ssh_tunnel_forward_port};
my $query = "
INSERT INTO public.vnc_pipes (
server_uuid, server_vnc_port, ws_host_uuid, ws_pid, ssh_tunnel_host_uuid, ssh_tunnel_pid
server_uuid,
server_vnc_port,
ws_host_uuid,
ws_pid,
ssh_tunnel_host_uuid,
ssh_tunnel_pid,
ssh_tunnel_forward_port
) VALUES (
".$anvil->Database->quote($server_uuid).",
".$anvil->Database->quote($server_vnc_port).",
".$anvil->Database->quote($ws_host_uuid).",
".$anvil->Database->quote($ws_pid).",
".$anvil->Database->quote($ssh_tunnel_host_uuid).",
".$anvil->Database->quote($ssh_tunnel_pid)."
".$anvil->Database->quote($ssh_tunnel_pid).",
".$anvil->Database->quote($ssh_tunnel_forward_port)."
);";
$anvil->Database->write({ query => $query, source => $THIS_FILE, line => __LINE__ });
@ -342,21 +501,113 @@ AND
sub delete_vnc_pipe
{
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $host_uuid = $parameters->{host_uuid};
my $parameters = shift;
my $server_uuid = $parameters->{server_uuid};
my $host_uuid = $parameters->{host_uuid};
my $ws_pid = $parameters->{ws_pid};
my $ssh_tunnel_pid = $parameters->{ssh_tunnel_pid};
my $query = "
DELETE FROM public.vnc_pipes
my $query = "DELETE FROM public.vnc_pipes ";
if (defined $ws_pid)
{
$query = $query."WHERE ws_pid = ".$anvil->Database->quote($ws_pid).";";
}
elsif (defined $ssh_tunnel_pid)
{
$query = $query."WHERE ssh_tunnel_pid = ".$anvil->Database->quote($ssh_tunnel_pid).";";
}
else
{
$query = $query."
WHERE
server_uuid = ".$anvil->Database->quote($server_uuid)."
AND
ssh_tunnel_host_uuid = ".$anvil->Database->quote($host_uuid)."
;";
}
$anvil->Database->write({ query => $query, source => $THIS_FILE, line => __LINE__ });
}
sub open_vnc_pipe
{
create_vnc_pipes_table();
my $server_info = get_server_info({ server_uuid => $server_uuid });
if (not defined $server_info)
{
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
message => "Failed to get server VM information."
} });
return;
}
my $vnc_info = get_vnc_info($server_info);
if (not defined $vnc_info)
{
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
message => "Failed to get server VM VNC information."
} });
return;
}
my $ws_info = start_websockify({ server_uuid => $server_uuid, host_name => $server_info->{host_name}, target_port => $vnc_info->{port} });
if (not defined $ws_info)
{
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
message => "Failed to get websockify instance information."
} });
return;
}
my $ssh_tunnel_info = start_ssh_tunnel({ server_uuid => $server_uuid, host_name => $server_info->{host_name}, ws_source_port => $ws_info->{source_port} });
if (not defined $ssh_tunnel_info)
{
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
message => "Failed to get SSH tunnel instance information."
} });
return;
}
insert_vnc_pipe({
server_uuid => $server_uuid,
server_vnc_port => $vnc_info->{port},
ws_host_uuid => $server_info->{host_uuid},
ws_pid => $ws_info->{pid},
ssh_tunnel_host_uuid => $anvil->Get->host_uuid(),
ssh_tunnel_pid => $ssh_tunnel_info->{pid},
ssh_tunnel_forward_port => $ws_info->{source_port}
});
}
sub close_vnc_pipe
{
my $vnc_pipe_parameters = { server_uuid => $server_uuid, host_uuid => $anvil->Get->host_uuid() };
my $vnc_pipe_info = get_vnc_pipe($vnc_pipe_parameters);
if (not defined $vnc_pipe_info)
{
$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => 2, list => {
message => "Failed to get VNC pipe information."
} });
return;
}
stop_websockify({ host_name => $vnc_pipe_info->{host_name}, ws_pid => $vnc_pipe_info->{ws_pid} });
stop_ssh_tunnel({ ssh_tunnel_pid => $vnc_pipe_info->{ssh_tunnel_pid} });
delete_vnc_pipe($vnc_pipe_parameters);
}
$anvil->Get->switches;
$anvil->Database->connect;
@ -411,21 +662,11 @@ if ($server_uuid)
{
if ($is_open)
{
my $server_info = get_server_info({ server_uuid => $server_uuid });
my $vnc_info = get_vnc_info($server_info);
create_vnc_pipes_table();
my $ws_info = start_websockify({ server_uuid => $server_uuid, host_name => $server_info->{host_name}, target_port => $vnc_info->{port} });
open_vnc_pipe();
}
else
{
my $vnc_pipe_parameters = { server_uuid => $server_uuid, host_uuid => $anvil->Get->host_uuid() };
my $vnc_pipe_info = get_vnc_pipe($vnc_pipe_parameters);
stop_websockify({ host_name => $vnc_pipe_info->{host_name}, ws_pid => $vnc_pipe_info->{ws_pid} });
stop_ssh_tunnel({ ssh_tunnel_pid => $vnc_pipe_info->{ssh_tunnel_pid} });
delete_vnc_pipe($vnc_pipe_parameters);
close_vnc_pipe();
}
}
elsif ($anvil->data->{switches}{'drop-table'})

Write Preview
Loading…
Cancel
Save