Local modifications to ClusterLabs/Anvil by Alteeve
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#!/usr/bin/perl
#
# This prints JSON formated data reporting the status of an Anvil!'s nodes.
#
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});
}
my $cookie_problem = $anvil->Account->read_cookies();
# Don't do anything data-related if the user is not logged in.
if ($cookie_problem)
{
$anvil->Log->entry({ source => $THIS_FILE, line => __LINE__, level => 0, 'print' => 1, priority => "err", key => "error_0307" });
$anvil->nice_exit({ exit_code => 1 });
}
# Read in any CGI variables, if needed.
$anvil->Get->cgi();
$anvil->Database->get_hosts();
$anvil->Database->get_anvils();
print $anvil->Template->get({file => "shared.html", name => "json_headers", show_name => 0})."\n";
my $hash = {};
my $anvil_uuid = "";
if ($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};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
node1_uuid => $node1_uuid,
node2_uuid => $node2_uuid,
}});
# For each node, check to see if it's "online" and, if so, if the node is in the cluster.
$anvil->Database->get_hosts_info();
# Read in the
my $node1_status = $anvil->data->{hosts}{host_uuid}{$node1_uuid}{host_status};
my $node1_host_name = $anvil->data->{hosts}{host_uuid}{$node1_uuid}{short_host_name};
my $node2_status = $anvil->data->{hosts}{host_uuid}{$node2_uuid}{host_status};
my $node2_host_name = $anvil->data->{hosts}{host_uuid}{$node2_uuid}{short_host_name};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
node1_status => $node1_status,
node1_host_name => $node1_host_name,
node2_status => $node2_status,
node2_host_name => $node2_host_name,
}});
# Array index 0 is node 1, index 1 is node 2.
$hash->{anvil_state} = "optimal";
$hash->{hosts}->[0] = {
host_uuid => $node1_uuid,
host_name => $node1_host_name,
'state' => "offline",
state_percent => 0,
state_message => "message_0222,!!host_name!".$node1_host_name."!!",
maintenance_mode => 'undefined',
};
$hash->{hosts}->[1] = {
host_uuid => $node2_uuid,
host_name => $node2_host_name,
'state' => "offline",
state_percent => 0,
state_message => "message_0222,!!host_name!".$node2_host_name."!!",
maintenance_mode => 'undefined',
};
foreach my $i (0..1)
{
my $host_uuid = $hash->{hosts}->[$i]->{host_uuid};
my $short_host_name = $anvil->data->{hosts}{host_uuid}{$host_uuid}{short_host_name};
my $host_status = $anvil->data->{hosts}{host_uuid}{$host_uuid}{host_status};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:short_host_name' => $short_host_name,
's2:host_uuid' => $host_uuid,
's3:host_status' => $host_status,
}});
# If the node is not "online", nothing else matters.
next if $host_status ne "online";
my $query = "
SELECT
scan_cluster_node_in_ccm,
scan_cluster_node_crmd_member,
scan_cluster_node_cluster_member,
scan_cluster_node_maintenance_mode
FROM
scan_cluster_nodes
WHERE
scan_cluster_node_host_uuid = ".$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,
}});
if (not $count)
{
# Weird, looks like this host isn't a node.
next;
}
foreach my $row (@{$results})
{
# How online is it?
my $scan_cluster_node_in_ccm = $row->[0];
my $scan_cluster_node_crmd_member = $row->[1];
my $scan_cluster_node_cluster_member = $row->[2];
my $scan_cluster_node_maintenance_mode = $row->[3];
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
scan_cluster_node_in_ccm => $scan_cluster_node_in_ccm,
scan_cluster_node_crmd_member => $scan_cluster_node_crmd_member,
scan_cluster_node_cluster_member => $scan_cluster_node_cluster_member,
scan_cluster_node_maintenance_mode => $scan_cluster_node_maintenance_mode,
}});
# Ensure the maintenance_mode is set to a value that can be converted to JSON booleans.
$hash->{hosts}->[$i]->{maintenance_mode} = $scan_cluster_node_maintenance_mode ? \1 : \0;
if ($scan_cluster_node_cluster_member)
{
$hash->{hosts}->[$i]->{'state'} = "online";
$hash->{hosts}->[$i]->{state_percent} = 100;
$hash->{hosts}->[$i]->{state_message} = "message_0223,!!host_name!".$node2_host_name."!!",
}
elsif ($scan_cluster_node_crmd_member)
{
$hash->{hosts}->[$i]->{'state'} = "crmd";
$hash->{hosts}->[$i]->{state_percent} = 75;
$hash->{hosts}->[$i]->{state_message} = "message_0224,!!host_name!".$node2_host_name."!!",
}
elsif ($scan_cluster_node_in_ccm)
{
$hash->{hosts}->[$i]->{'state'} = "in_ccm";
$hash->{hosts}->[$i]->{state_percent} = 50;
$hash->{hosts}->[$i]->{state_message} = "message_0225,!!host_name!".$node2_host_name."!!",
}
else
{
$hash->{hosts}->[$i]->{'state'} = "booted";
$hash->{hosts}->[$i]->{state_percent} = 25;
$hash->{hosts}->[$i]->{state_message} = "message_0226,!!host_name!".$node2_host_name."!!",
}
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"hash->{nodes}->[".$i."]->{state}" => $hash->{hosts}->[$i]->{'state'},
"hash->{nodes}->[".$i."]->{state_percent}" => $hash->{hosts}->[$i]->{state_percent},
"hash->{nodes}->[".$i."]->{state_message}" => $hash->{hosts}->[$i]->{state_message},
"hash->{nodes}->[".$i."]->{maintenance_mode}" => $hash->{hosts}->[$i]->{maintenance_mode},
}});
}
}
}
print JSON->new->utf8->encode($hash)."\n";