Local modifications to ClusterLabs/Anvil by Alteeve
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#!/usr/bin/perl
#
# This provisions a new virtual machine server. It handles creating the logical volumes, DRBD resources,
# verifies the needed files are ready, creates the provision script, begins the installation, and adds the
# new server to pacemaker.
#
# Exit codes;
# 0 = Normal 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();
$anvil->Log->level({set => 2});
$anvil->Log->secure({set => 1});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, secure => 0, key => "log_0115", variables => { program => $THIS_FILE }});
# 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}{'anvil-uuid'} = "";
$anvil->data->{switches}{cpu} = "";
$anvil->data->{switches}{'job-uuid'} = "";
$anvil->data->{switches}{name} = "";
$anvil->Get->switches;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
'switches::anvil-uuid' => $anvil->data->{switches}{'anvil-uuid'},
'switches::cpu' => $anvil->data->{switches}{cpu},
'switches::job-uuid' => $anvil->data->{switches}{'job-uuid'},
'switches::name' => $anvil->data->{switches}{name},
}});
$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, update the job, sleep for a bit and then exit. The daemon will pick it up and try
# again after we exit.
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0077"});
sleep 10;
$anvil->nice_exit({exit_code => 1});
}
# 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,
message => "message_0190",
});
# Job data will be in $anvil->data->{jobs}{job_data}
}
else
{
# Interactive!
interactive_question($anvil);
}
$anvil->nice_exit({exit_code => 0});
#############################################################################################################
# Functions #
#############################################################################################################
# Go through a series of questions to ask the user how they want to build their server.
sub interactive_question
{
my ($anvil) = @_;
# Do we know or can we find the Anvil! UUID?
$anvil->data->{new_server}{anvil_uuid} = $anvil->data->{switches}{'anvil-uuid'} ? $anvil->data->{switches}{'anvil-uuid'} : "";
$anvil->data->{new_server}{anvil_name} = $anvil->data->{switches}{'anvil-name'} ? $anvil->data->{switches}{'anvil-name'} : "";
if ((not $anvil->data->{new_server}{anvil_uuid}) && (not $anvil->data->{new_server}{anvil_name}))
{
# Nothing given. Is this host a node, perhaps?
my $anvil_uuid = $anvil->Cluster->get_anvil_uuid();
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { anvil_uuid => $anvil_uuid }});
if ($anvil_uuid)
{
$anvil->data->{new_server}{anvil_uuid} = $anvil_uuid;
$anvil->data->{new_server}{anvil_name} = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_name};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"new_server::anvil_name" => $anvil->data->{new_server}{anvil_name},
"new_server::anvil_uuid" => $anvil->data->{new_server}{anvil_uuid},
}});
}
}
elsif (not $anvil->data->{new_server}{anvil_uuid})
{
$anvil->data->{new_server}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid({anvil_name => $anvil->data->{new_server}{anvil_name}});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "new_server::anvil_uuid" => $anvil->data->{new_server}{anvil_uuid} }});
}
elsif (not $anvil->data->{new_server}{anvil_name})
{
$anvil->data->{new_server}{anvil_name} = $anvil->Cluster->get_anvil_name({anvil_uuid => $anvil->data->{new_server}{anvil_uuid}});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "new_server::anvil_name" => $anvil->data->{new_server}{anvil_name} }});
}
$anvil->data->{new_server}{name} = $anvil->data->{switches}{name} ? $anvil->data->{switches}{name} : "";
# If this is a node, load the anvil_uuid automatically.
my $termios = new POSIX::Termios;
$termios->getattr;
my $ospeed = $termios->getospeed;
my $terminal = Tgetent Term::Cap { TERM => undef, OSPEED => $ospeed };
$terminal->Trequire(qw/ce ku kd/);
interactive_ask_anvil_name($anvil, $terminal);
interactive_ask_server_name($anvil, $terminal);
interactive_ask_server_cpu($anvil, $terminal);
return(0);
}
sub interactive_ask_anvil_name
{
my ($anvil, $terminal) = @_;
$anvil->Database->get_anvils();
my $retry = 0;
while(1)
{
my $default_anvil = $anvil->data->{new_server}{anvil_name};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { default_anvil => $default_anvil }});
if (not $default_anvil)
{
my $known_anvils = keys %{$anvil->data->{anvils}{anvil_name}};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { known_anvils => $known_anvils }});
if (not $known_anvils)
{
print "There are no known Anvil! systems at this time. Please setup an Anvil! and try again later.\n";
$anvil->nice_exit({exit_code => 1});
}
elsif ($known_anvils == 1)
{
foreach my $anvil_name (keys %{$anvil->data->{anvils}{anvil_name}})
{
$default_anvil = $anvil_name;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { default_anvil => $default_anvil }});
}
}
}
print $terminal->Tputs('cl');
print "Provision a new server menu:\n";
print "Anvil name: [".$default_anvil."]\n\n\n";
# Show all the current server names.
if ($retry)
{
print "* That was not a recognized Anvil! name. please try again.\n\n";
}
print "-=] Existing Anvil! systems [=-\n";
foreach my $anvil_name (sort {$a cmp $b} keys %{$anvil->data->{anvils}{anvil_name}})
{
print "- ".$anvil_name.": - ".$anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_description}."\n";
}
print $terminal->Tgoto('cm', 0, 2);
my $answer = <STDIN>;
chomp $answer;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
if ((not $answer) && ($default_anvil))
{
$answer = $default_anvil;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
}
# Reload in case a new anvil! was saved while we waited.
$anvil->Database->get_anvils();
if (exists $anvil->data->{anvils}{anvil_name}{$answer})
{
# Valid.
$anvil->data->{new_server}{anvil_name} = $answer;
$anvil->data->{new_server}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid({anvil_name => $answer});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"new_server::anvil_name" => $anvil->data->{new_server}{anvil_name},
"new_server::anvil_uuid" => $anvil->data->{new_server}{anvil_uuid},
}});
print "Loading available resources for: [".$anvil->data->{new_server}{anvil_name}."] (".$anvil->data->{new_server}{anvil_uuid}.")\n";
$anvil->Get->available_resources({
debug => 2,
anvil_uuid => $anvil->data->{new_server}{anvil_uuid},
});
last;
}
else
{
$retry = 1;
}
}
return(0);
}
sub interactive_ask_server_name
{
my ($anvil, $terminal) = @_;
$anvil->Database->get_servers({debug => 2});
### TODO: Figure out how many rows we have and break the server list into columns if too long.
my $retry = 0;
while(1)
{
my $default = "";
if ($anvil->data->{switches}{name})
{
$default = $anvil->data->{switches}{name};
}
print $terminal->Tputs('cl');
print "Provision a new server menu:\n";
print "Anvil name: [".$anvil->data->{new_server}{anvil_name}."]\n";
print "Server name: [".$anvil->data->{new_server}{name}."]\n\n\n";
# Show all the current server names.
if ($retry)
{
print "* Please enter a unique server name.\n\n";
}
my $anvil_uuid = $anvil->data->{new_server}{anvil_uuid};
print "-=] Existing Servers on the Anvil! [".$anvil->data->{new_server}{anvil_name}."] [=-\n";
foreach my $server_name (sort {$a cmp $b} keys %{$anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}})
{
print "- ".$server_name."\n";
}
print $terminal->Tgoto('cm', 0, 3);
my $answer = <STDIN>;
chomp $answer;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
if ((not $answer) && ($default))
{
$answer = $default;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
}
# Reload in case a new anvil! was saved while we waited.
$anvil->Database->get_servers();
if (($answer) && (not exists $anvil->data->{servers}{anvil_uuid}{$anvil_uuid}{server_name}{$answer}))
{
# Valid.
$anvil->data->{new_server}{name} = $answer;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"new_server::name" => $anvil->data->{new_server}{name},
}});
last;
}
else
{
$retry = 1;
}
}
return(0);
}
sub interactive_ask_server_cpu
{
my ($anvil, $terminal) = @_;
my $retry = 0;
while(1)
{
my $anvil_uuid = $anvil->data->{new_server}{anvil_uuid};
$anvil->Database->get_anvils();
$anvil->Get->available_resources({anvil_uuid => $anvil_uuid});
my $default_cpu = $anvil->data->{switches}{cpu};
if (not $default_cpu)
{
# Default to 2, unless only one core is available.
$default_cpu = $anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{threads} == 1 ? 1 : 2;
}
print $terminal->Tputs('cl');
print "Provision a new server menu:\n";
print "Anvil name: [".$anvil->data->{new_server}{anvil_name}."]\n";
print "Server name: [".$anvil->data->{new_server}{name}."]\n";
print "CPU Cores: . [".$default_cpu."]\n\n\n";
if ($retry)
{
print "* Please enter a number between 1 and ".$anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{threads}.".\n\n";
}
print "-=] Available cores / threads: [".$anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{cores}." / ".$anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{threads}."]\n";
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};
print " - Node 1 CPU Model: [".$anvil->data->{anvil_resources}{$anvil_uuid}{host_uuid}{$node1_host_uuid}{cpu}{model}."]\n";
print " - Node 2 CPU Model: [".$anvil->data->{anvil_resources}{$anvil_uuid}{host_uuid}{$node2_host_uuid}{cpu}{model}."]\n";
print $terminal->Tgoto('cm', 0, 4);
my $answer = <STDIN>;
chomp $answer;
if ($answer eq "")
{
$answer = $default_cpu;
}
if (($answer) && ($answer =~ /^\d+$/) && ($answer <= $anvil->data->{anvil_resources}{$anvil_uuid}{cpu}{threads}))
{
# Valid.
$anvil->data->{new_server}{cpu} = $answer;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"new_server::cpu" => $anvil->data->{new_server}{cpu},
}});
last;
}
else
{
$retry = 1;
}
}
return(0);
}