Local modifications to ClusterLabs/Anvil by Alteeve
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#!/usr/bin/perl
#
# This migrates servers from one node to another. It can operate on a single server, or it can be used to
# migrate all servers to a given host.
#
# Exit codes;
# 0 = Normal exit.
# 1 = Any problem that causes an early exit.
#
use strict;
use warnings;
use Anvil::Tools;
require POSIX;
use Term::Cap;
my $THIS_FILE = ($0 =~ /^.*\/(.*)$/)[0];
my $running_directory = ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
if (($running_directory =~ /^\./) && ($ENV{PWD}))
{
$running_directory =~ s/^\./$ENV{PWD}/;
}
# Turn off buffering so that the pinwheel will display while waiting for the SSH call(s) to complete.
$| = 1;
my $anvil = Anvil::Tools->new();
# Read switches (target ([user@]host[:port]) and the file with the target's password. If the password is
# passed directly, it will be used. Otherwise, the password will be read from the database.
$anvil->data->{switches}{'job-uuid'} = "";
$anvil->Get->switches;
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, secure => 0, key => "log_0115", variables => { program => $THIS_FILE }});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'switches::job-uuid' => $anvil->data->{switches}{'job-uuid'} }});
$anvil->Database->connect();
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, secure => 0, key => "log_0132"});
if (not $anvil->data->{sys}{database}{connections})
{
# No databases, sleep for a bit and then exit. The daemon will retry after we exit.
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0218"});
sleep 10;
$anvil->nice_exit({exit_code => 1});
}
$anvil->data->{sys}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid({debug => 2});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'sys::anvil_uuid' => $anvil->data->{sys}{anvil_uuid} }});
# If we don't have a job UUID, try to find one.
if (not $anvil->data->{switches}{'job-uuid'})
{
# Load the job data.
$anvil->data->{switches}{'job-uuid'} = $anvil->Job->get_job_uuid({program => $THIS_FILE});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "switches::job-uuid" => $anvil->data->{switches}{'job-uuid'} }});
}
# If we still don't have a job-uuit, go into interactive mode.
if ($anvil->data->{switches}{'job-uuid'})
{
# Load the job data.
$anvil->Job->clear();
$anvil->Job->get_job_details();
$anvil->Job->update_progress({
progress => 1,
job_picked_up_by => $$,
job_picked_up_at => time,
message => "message_0218",
});
# Are we in an Anvil! system?
if (not $anvil->data->{sys}{anvil_uuid})
{
# We're not in an Anvil!.
if ($anvil->data->{switches}{'job-uuid'})
{
# Mark the job as failed.
$anvil->Job->update_progress({
progress => 100,
message => "error_0231",
job_status => "failed",
});
}
# Log an exit.
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => 'err', key => "error_0231"});
$anvil->nice_exit({exit_code => 1});
}
# Job data will be in $anvil->data->{jobs}{job_data}
run_jobs($anvil);
}
else
{
if (not $anvil->data->{sys}{anvil_uuid})
{
# We can't do anything, exit.
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => 'err', key => "error_0231"});
$anvil->nice_exit({exit_code => 1});
}
# Interactive!
ask_for_server($anvil);
}
$anvil->nice_exit({exit_code => 0});
#############################################################################################################
# Functions #
#############################################################################################################
# This actually provisions a VM.
sub run_jobs
{
my ($anvil) = @_;
# This parses the jobs::job_data intp variables.
parse_job_data($anvil);
return(0);
}
# This parses and verifies the job data
sub parse_job_data
{
my ($anvil) = @_;
$anvil->data->{job}{server_uuid} = "";
$anvil->data->{job}{peer_mode} = 0;
foreach my $line (split/\n/, $anvil->data->{jobs}{job_data})
{
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { line => $line }});
if ($line =~ /server_uuid=(.*)$/)
{
$anvil->data->{job}{server_uuid} = $1;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'job::server_uuid' => $anvil->data->{job}{server_uuid} }});
}
if ($line =~ /target_host_uuid=(.*)$/)
{
$anvil->data->{job}{target_host_uuid} = 1;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'job::target_host_uuid' => $anvil->data->{job}{target_host_uuid} }});
}
}
# Did we get a server UUID?
if (not $anvil->data->{job}{server_uuid})
{
$anvil->Job->update_progress({
progress => 100,
message => "error_0232,!!job_uuid!".$anvil->data->{switches}{'job-uuid'}."!!",
job_status => "failed",
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => 'err', key => "error_0232", variables => { job_uuid => $anvil->data->{switches}{'job-uuid'} }});
$anvil->nice_exit({exit_code => 1});
}
# Does the server UUID match to a server?
$anvil->Database->get_servers();
my $server_uuid = $anvil->data->{job}{server_uuid};
if (($server_uuid ne "all") && (not exists $anvil->data->{servers}{server_uuid}{$server_uuid}))
{
# Server UUID is invalid
$anvil->Job->update_progress({
progress => 100,
message => "error_0220,!!server_uuid!".$server_uuid."!!",
job_status => "failed",
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => 'err', key => "error_0220", variables => { server_uuid => $server_uuid }});
$anvil->nice_exit({exit_code => 1});
}
# Is the target_host_uuid a host in our Anvil! system?
if (not $anvil->data->{job}{target_host_uuid})
{
$anvil->Job->update_progress({
progress => 100,
message => "error_0234,!!job_uuid!".$anvil->data->{switches}{'job-uuid'}."!!",
job_status => "failed",
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => 'err', key => "error_0234", variables => { job_uuid => $anvil->data->{switches}{'job-uuid'} }});
$anvil->nice_exit({exit_code => 1});
}
else
{
my $anvil_uuid = $anvil->data->{sys}{anvil_uuid};
my $node1_host_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
my $node2_host_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node2_host_uuid};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
anvil_uuid => $anvil_uuid,
node1_host_uuid => $node1_host_uuid,
node2_host_uuid => $node2_host_uuid,
}});
if (($anvil->data->{job}{target_host_uuid} ne $node1_host_uuid) &&
($anvil->data->{job}{target_host_uuid} ne $node2_host_uuid))
{
$anvil->Job->update_progress({
progress => 100,
message => "error_0235,!!target_host_uuid!".$anvil->data->{job}{target_host_uuid}."!!",
job_status => "failed",
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => 'err', key => "error_0235", variables => { target_host_uuid => $anvil->data->{job}{target_host_uuid} }});
$anvil->nice_exit({exit_code => 1});
}
}
my $host_type = $anvil->Get->host_type();
if ($host_type eq "node")
{
my $problem = $anvil->Cluster->parse_cib({debug => 2});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { problem => $problem }});
if ($problem)
{
# The cluster isn't running, sleep and exit.
$anvil->Job->update_progress({
progress => 0,
message => "error_0233",
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => 'err', key => "error_0233"});
sleep 10;
$anvil->nice_exit({exit_code => 1});
}
}
else
{
# This is not the tool to move to DR.
$anvil->Job->update_progress({
progress => 100,
message => "error_0221",
job_status => "failed",
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => 'err', key => "error_0221"});
$anvil->nice_exit({exit_code => 1});
}
return(0);
}