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#!/usr/bin/perl
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#
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# This prints JSON formated data reporting the status of an Anvil! system and it's member hosts.
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#
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use strict;
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use warnings;
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use Anvil::Tools;
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use Data::Dumper;
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use JSON;
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$| = 1;
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my $THIS_FILE = ($0 =~ /^.*\/(.*)$/)[0];
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my $running_directory = ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
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if (($running_directory =~ /^\./) && ($ENV{PWD}))
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{
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$running_directory =~ s/^\./$ENV{PWD}/;
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}
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my $anvil = Anvil::Tools->new();
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sub handle_invalid_uuid
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{
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my $parameters = shift;
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my $name = $parameters->{name};
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my $uuid = $parameters->{uuid};
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$anvil->Log->entry({
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source => $THIS_FILE,
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line => __LINE__,
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level => 0,
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'print' => 1,
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priority => "err",
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key => "error_0160",
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variables => { name => $name, uuid => $uuid }
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});
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$anvil->nice_exit({ exit_code => 1 });
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}
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sub set_anvil_power
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{
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# Expects the first element of @_ (argument array) to be a hash.
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my $parameters = shift;
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my $anvil_uuid = $parameters->{anvil_uuid};
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my $on = $parameters->{on};
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# Get all mandatory hosts inside the anvil identified by the given UUID.
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my @host_uuids = (
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$anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid},
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$anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node2_host_uuid}
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);
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# Check for DR host outside of the loop to avoid duplicating checks.
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if (length($anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_dr1_host_uuid}))
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{
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push(@host_uuids, $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_dr1_host_uuid});
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}
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foreach (@host_uuids)
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{
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set_host_power({ host_uuid => $_, on => $on });
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}
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}
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sub set_host_power
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{
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# Expects the first element of @_ (argument array) to be a hash.
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my $parameters = shift;
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my $host_uuid = $parameters->{host_uuid};
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my $on = $parameters->{on};
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# Check the host's status before trying to power it up/down.
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my $is_host_on = $anvil->data->{hosts}{host_uuid}{$host_uuid}{host_status} eq "online" ? 1 : 0;
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$anvil->Log->variables({
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source => $THIS_FILE,
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line => __LINE__,
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level => 2,
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list => {
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host_uuid => $host_uuid,
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is_host_on => $is_host_on,
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on => $on
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}
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});
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# When host is ON and request is to power OFF.
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#
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# Power OFF should invoke anvil-safe-stop on a host.
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if ($is_host_on && not $on)
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{
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$anvil->Database->insert_or_update_jobs({
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job_command => $anvil->data->{path}{exe}{'anvil-safe-stop'}." --power-off",
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job_description => "job_0333",
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job_name => "cgi-bin::set_power::off",
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job_progress => 0,
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job_title => "job_0332"
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});
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}
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# When host is OFF and request is to power ON.
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#
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# Power ON should invoke striker-boot-machine on this striker.
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elsif (not $is_host_on && $on)
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{
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$anvil->Database->insert_or_update_jobs({
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job_command => $anvil->data->{path}{directories}{tools}."/striker-boot-machine --host-uuid ".$host_uuid,
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job_description => "job_0335",
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job_name => "cgi-bin::set_power::on",
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job_progress => 0,
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job_title => "job_0334"
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});
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}
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}
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$anvil->Get->switches;
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# Temporary; for debugging
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$anvil->Log->level({ set => 2 });
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$anvil->Database->connect;
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, secure => 0, key => "log_0132"});
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if (not $anvil->data->{sys}{database}{connections})
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{
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# No databases, exit.
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, 'print' => 1, priority => "err", key => "error_0003"});
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$anvil->nice_exit({exit_code => 1});
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}
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# Read in any CGI variables, if needed.
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$anvil->Get->cgi();
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$anvil->Database->get_hosts();
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$anvil->Database->get_anvils();
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print $anvil->Template->get({file => "shared.html", name => "json_headers", show_name => 0})."\n";
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my $response_body = {};
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# Decode request body (JSON string) to a hash.
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#
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# Note: requests made with the PUT method won't have query params.
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my $request_body;
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my $is_decode_json_success = eval {
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$request_body = decode_json($anvil->data->{cgi}{PUTDATA}{value});
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};
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if (not $is_decode_json_success)
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{
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$anvil->Log->entry({
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source => $THIS_FILE,
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line => __LINE__,
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level => 0,
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'print' => 1,
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priority => "err",
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key => "error_0304",
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variables => { request_body_string => $anvil->data->{cgi}{PUTDATA}{value}, json_decode_error => $_ }
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});
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$anvil->nice_exit({ exit_code => 1 });
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}
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my $anvil_uuid = exists $request_body->{anvil_uuid} ? $request_body->{anvil_uuid} : $anvil->data->{switches}{'anvil-uuid'};
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my $host_uuid = exists $request_body->{host_uuid} ? $request_body->{host_uuid} : $anvil->data->{switches}{'host-uuid'};
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my $is_on = exists $request_body->{is_on} ? $request_body->{is_on} : $anvil->data->{switches}{'is-on'};
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my $anvil_uuid_variable_name = "anvil UUID";
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my $host_uuid_variable_name = "host UUID";
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$anvil->Log->variables({
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source => $THIS_FILE,
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line => __LINE__,
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level => 2,
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list => {
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anvil_uuid => $anvil_uuid,
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host_uuid => $host_uuid,
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is_on => $is_on
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}
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});
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if ($anvil_uuid)
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{
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if (exists $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid})
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{
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set_anvil_power({ anvil_uuid => $anvil_uuid, on => $is_on });
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}
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else
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{
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handle_invalid_uuid({ name => $anvil_uuid_variable_name, uuid => $anvil_uuid });
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}
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}
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elsif ($host_uuid)
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{
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if (exists $anvil->data->{hosts}{host_uuid}{$host_uuid})
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{
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set_host_power({ host_uuid => $host_uuid, on => $is_on });
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}
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else
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{
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handle_invalid_uuid({ name => $host_uuid_variable_name, uuid => $host_uuid });
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}
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}
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print JSON->new->utf8->encode($response_body)."\n";
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