Local modifications to ClusterLabs/Anvil by Alteeve
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#!/usr/bin/perl
#
# This prints JSON formated data reporting the status of DRBD resources and volumes.
#
use strict;
use warnings;
use Anvil::Tools;
use Data::Dumper;
use JSON;
$| = 1;
my $THIS_FILE = ($0 =~ /^.*\/(.*)$/)[0];
my $running_directory = ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
if (($running_directory =~ /^\./) && ($ENV{PWD}))
{
$running_directory =~ s/^\./$ENV{PWD}/;
}
my $anvil = Anvil::Tools->new();
$anvil->Get->switches;
$anvil->Database->connect;
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, secure => 0, key => "log_0132"});
if (not $anvil->data->{sys}{database}{connections})
{
# No databases, exit.
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, 'print' => 1, priority => "err", key => "error_0003"});
$anvil->nice_exit({exit_code => 1});
}
# Read in any CGI variables, if needed.
$anvil->Get->cgi();
$anvil->Database->get_hosts();
$anvil->Database->get_anvils();
$anvil->DRBD->gather_data();
print $anvil->Template->get({file => "shared.html", name => "json_headers", show_name => 0})."\n";
my $hash = {};
my $anvil_uuid = "";
my $active_resource = "";
my $volume_array = "";
my $connection_array = "";
my $target_array = "";
$hash->{resources} = [];
if ($anvil->data->{cgi}{anvil_uuid}{value})
{
$anvil_uuid = $anvil->data->{cgi}{anvil_uuid}{value};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { anvil_uuid => $anvil_uuid }});
}
elsif ($anvil->data->{switches}{'anvil-uuid'})
{
$anvil_uuid = $anvil->data->{switches}{'anvil-uuid'};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { anvil_uuid => $anvil_uuid }});
}
if ((not $anvil_uuid) or (not exists $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}))
{
$anvil->data->{anvil_status}{anvil_name} = "!!invalid!anvil_uuid!!";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'anvil_status::anvil_name' => $anvil->data->{anvil_status}{anvil_name} }});
}
else
{
my $node1_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
my $node2_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node2_host_uuid};
my $dr1_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_dr1_host_uuid};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
node1_uuid => $node1_uuid,
node2_uuid => $node2_uuid,
dr1_uuid => $dr1_uuid,
}});
$anvil->data->{raw}{newest_record}{$node1_uuid} = 0;
$anvil->data->{raw}{newest_record}{$node2_uuid} = 0;
my @hosts = ($node1_uuid, $node2_uuid);
if ($dr1_uuid)
{
push @hosts, $dr1_uuid;
$anvil->data->{raw}{newest_record}{$dr1_uuid} = 0;
}
foreach my $host_uuid (@hosts)
{
my $host_name = $anvil->Get->host_name_from_uuid({host_uuid => $host_uuid});
my $short_host_name = $host_name;
$short_host_name =~ s/\..*$//;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
host_uuid => $host_uuid,
host_name => $host_name,
short_host_name => $short_host_name
}});
my $query = "
SELECT
scan_drbd_resource_uuid,
scan_drbd_resource_name,
scan_drbd_resource_up,
round(extract(epoch from modified_date))
FROM
scan_drbd_resources
WHERE
scan_drbd_resource_host_uuid = ".$anvil->Database->quote($host_uuid)."
;";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { query => $query }});
my $results = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__});
my $count = @{$results};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
results => $results,
count => $count,
}});
foreach my $row (@{$results})
{
my $scan_drbd_resource_uuid = $row->[0];
my $scan_drbd_resource_name = $row->[1];
my $scan_drbd_resource_up = $row->[2];
my $modified_date = $row->[3];
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
scan_drbd_resource_uuid => $scan_drbd_resource_uuid,
scan_drbd_resource_name => $scan_drbd_resource_name,
scan_drbd_resource_up => $scan_drbd_resource_up,
modified_date => $modified_date,
}});
if ($modified_date > $anvil->data->{raw}{newest_record}{$host_uuid})
{
$anvil->data->{raw}{newest_record}{$host_uuid} = $modified_date;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"raw::newest_record::${host_uuid}" => $anvil->data->{raw}{newest_record}{$host_uuid},
}});
}
my $volumes = [];
my $resource_hash = {
resource_name => $scan_drbd_resource_name,
resource_host_uuid => $host_uuid,
is_active => $scan_drbd_resource_up,
timestamp => $anvil->data->{raw}{newest_record}{$host_uuid},
volumes => $volumes,
};
push @{$hash->{resources}}, $resource_hash;
my $query = "
SELECT
scan_drbd_volume_uuid,
scan_drbd_volume_number,
scan_drbd_volume_device_path,
scan_drbd_volume_device_minor,
scan_drbd_volume_size,
round(extract(epoch from modified_date))
FROM
scan_drbd_volumes
WHERE
scan_drbd_volume_scan_drbd_resource_uuid = ".$anvil->Database->quote($scan_drbd_resource_uuid)."
;";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { query => $query }});
my $results = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__});
my $count = @{$results};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
results => $results,
count => $count,
}});
foreach my $row (@{$results})
{
my $scan_drbd_volume_uuid = $row->[0];
my $scan_drbd_volume_number = $row->[1];
my $scan_drbd_volume_device_path = $row->[2];
my $scan_drbd_volume_device_minor = $row->[3];
my $scan_drbd_volume_size = $row->[4];
my $modified_date = $row->[5];
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
scan_drbd_volume_uuid => $scan_drbd_volume_uuid,
scan_drbd_volume_number => $scan_drbd_volume_number,
scan_drbd_volume_device_path => $scan_drbd_volume_device_path,
scan_drbd_volume_device_minor => $scan_drbd_volume_device_minor,
scan_drbd_volume_size => $scan_drbd_volume_size,
modified_date => $modified_date,
}});
if ($modified_date > $anvil->data->{raw}{newest_record}{$host_uuid})
{
$anvil->data->{raw}{newest_record}{$host_uuid} = $modified_date;
$resource_hash->{timestamp} = $modified_date;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"raw::newest_record::${host_uuid}" => $anvil->data->{raw}{newest_record}{$host_uuid},
}});
}
my $connections = [];
push @{$volumes}, {
number => $scan_drbd_volume_number,
drbd_device_path => $scan_drbd_volume_device_path,
drbd_device_minor => $scan_drbd_volume_device_minor,
size => $scan_drbd_volume_size,
connections => $connections,
};
my $query = "
SELECT
scan_drbd_peer_host_name,
scan_drbd_peer_connection_state,
scan_drbd_peer_local_disk_state,
scan_drbd_peer_disk_state,
scan_drbd_peer_local_role,
scan_drbd_peer_role,
scan_drbd_peer_out_of_sync_size,
scan_drbd_peer_replication_speed,
scan_drbd_peer_estimated_time_to_sync,
scan_drbd_peer_ip_address,
scan_drbd_peer_tcp_port,
scan_drbd_peer_protocol,
scan_drbd_peer_fencing,
round(extract(epoch from modified_date))
FROM
scan_drbd_peers
WHERE
scan_drbd_peer_scan_drbd_volume_uuid = ".$anvil->Database->quote($scan_drbd_volume_uuid)."
;";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { query => $query }});
my $results = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__});
my $count = @{$results};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
results => $results,
count => $count,
}});
foreach my $row (@{$results})
{
my $scan_drbd_peer_host_name = $row->[0];
my $scan_drbd_peer_connection_state = $row->[1];
my $scan_drbd_peer_local_disk_state = $row->[2];
my $scan_drbd_peer_disk_state = $row->[3];
my $scan_drbd_peer_local_role = $row->[4];
my $scan_drbd_peer_role = $row->[5];
my $scan_drbd_peer_out_of_sync_size = $row->[6];
my $scan_drbd_peer_replication_speed = $row->[7];
my $scan_drbd_peer_estimated_time_to_sync = $row->[8];
my $scan_drbd_peer_ip_address = $row->[9];
my $scan_drbd_peer_tcp_port = $row->[10];
my $scan_drbd_peer_protocol = $row->[11];
my $scan_drbd_peer_fencing = $row->[12];
my $modified_date = $row->[13];
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
scan_drbd_peer_host_name => $scan_drbd_peer_host_name,
scan_drbd_peer_connection_state => $scan_drbd_peer_connection_state,
scan_drbd_peer_local_disk_state => $scan_drbd_peer_local_disk_state,
scan_drbd_peer_disk_state => $scan_drbd_peer_disk_state,
scan_drbd_peer_local_role => $scan_drbd_peer_local_role,
scan_drbd_peer_role => $scan_drbd_peer_role,
scan_drbd_peer_out_of_sync_size => $scan_drbd_peer_out_of_sync_size,
scan_drbd_peer_replication_speed => $scan_drbd_peer_replication_speed,
scan_drbd_peer_estimated_time_to_sync => $scan_drbd_peer_estimated_time_to_sync,
scan_drbd_peer_ip_address => $scan_drbd_peer_ip_address,
scan_drbd_peer_tcp_port => $scan_drbd_peer_tcp_port,
scan_drbd_peer_protocol => $scan_drbd_peer_protocol,
scan_drbd_peer_fencing => $scan_drbd_peer_fencing,
modified_date => $modified_date,
}});
if ($modified_date > $anvil->data->{raw}{newest_record}{$host_uuid})
{
$anvil->data->{raw}{newest_record}{$host_uuid} = $modified_date;
$resource_hash->{timestamp} = $modified_date;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"raw::newest_record::${host_uuid}" => $anvil->data->{raw}{newest_record}{$host_uuid},
}});
}
push @{$connections}, {
protocol => "async_".lc($scan_drbd_peer_protocol),
connection => $scan_drbd_peer_connection_state,
ip_address => $scan_drbd_peer_ip_address,
tcp_port => $scan_drbd_peer_tcp_port,
fencing => $scan_drbd_peer_fencing,
targets => [
# Local
{
target_name => $short_host_name,
target_host_uuid => $host_uuid,
role => $scan_drbd_peer_local_role,
disk_states => $scan_drbd_peer_local_disk_state,
},
# Peer
{
target_name => $scan_drbd_peer_host_name,
target_host_uuid => $anvil->Get->host_uuid_from_name({host_name => $scan_drbd_peer_host_name}),
role => $scan_drbd_peer_role,
disk_states => $scan_drbd_peer_disk_state,
},
],
resync => {
rate => $scan_drbd_peer_replication_speed, # Bytes / second
percent_complete => (($scan_drbd_peer_out_of_sync_size / $scan_drbd_volume_size) * 100),
oos_size => $scan_drbd_peer_out_of_sync_size,
time_remain => $scan_drbd_peer_estimated_time_to_sync,
},
};
}
}
}
}
}
print JSON->new->utf8->encode($hash)."\n";