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Script to install and configure radosgw.
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Signed-off-by: tamil <[email protected]>
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tamil committed Nov 29, 2012
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287 changes: 287 additions & 0 deletions qa/qa_scripts/rgw_install_config.pl
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#! /usr/bin/perl

=head1 NAME
rgw_install_config.pl - Script to install and configure the rados gateway on client machine.
=head1 SYNOPSIS
Use:
perl rgw_install_config.pl [--help]
Examples:
perl rgw_install_config.pl
or
perl rgw_install_config.pl --help
=head1 ARGUMENTS
rgw_install_config.pl takes the following arguments:
--help
(optional) Displays the usage message.
=cut

use strict;
use warnings;
use Pod::Usage();
use Getopt::Long();

my $help;

Getopt::Long::GetOptions(
'help' => \$help
);

Pod::Usage::pod2usage( -verbose => 1 ) if ($help);

# Function that enters the given msg to log.txt

sub _write_log_entry {
my $logmsg = shift;
open(TC,'>>log.txt');
print TC "[Log] $logmsg\n";
close(TC);
}

# Function to get the hostname
sub get_hostname
{
my $cmd = "hostname";
my $get_host = `$cmd`;
chomp($get_host);
return($get_host);
}

# Function to execute the command and return the exit status
sub exec_cmd
{
my $cmd = shift;
my $excmd = system($cmd);
if ( $excmd == 0 ) {
_write_log_entry("$cmd successful");
return 0;
} else{
_write_log_entry("$cmd NOT successful");
return 1;
}
}

# function to execute the command and return output
sub get_cmd_op
{
my $cmd = shift;
my $excmd = `$cmd`;
_write_log_entry("$cmd \n $excmd");
return $excmd;
}

# Function to enable module for apache and fastcgi
sub enmod
{
if (!system("sudo a2enmod rewrite")){
if (!system("sudo a2enmod fastcgi")){
_write_log_entry("a2enmod rewrite && a2enmod fastcgi successful");
return 0;
}
write_log_entry("a2enmod fastcgi NOT successful");
return 1;
}
write_log_entry("a2enmod rewrite NOT successful");
return 1;
}

# Function to create httpd.conf file
sub set_httpconf
{
my $hostname = shift;
my $http_conf = "/etc/apache2/httpd.conf";
my $file = "test_file";
open (FH, ">$file");
print FH "ServerName $hostname";
close FH;
my $get_op = "sudo sh -c \"cat $file >> $http_conf\"";
my $exit_status = exec_cmd($get_op);
exec_cmd("rm -f $file");
return $exit_status;
}

# To append ceph.conf file with radosgw info
sub append_ceph_conf
{
my $hostname = shift;
my $file = "/etc/ceph/ceph.conf";
my $file1 = "test_file1";
open (FH, ">$file1");
print FH "[client.radosgw.gateway]
host = $hostname
keyring = /etc/ceph/keyring.radosgw.gateway
rgw socket path = /tmp/radosgw.sock
log file = /var/log/ceph/radosgw.log \n";
close FH;
my $get_op = "sudo sh -c \"cat $file1 >> $file\"";
my $exit_status = exec_cmd($get_op);
exec_cmd("rm -f $file1");
return $exit_status;
}

# create s3gw.fcgi file and set execute permission for the file
sub create_fcgi
{
my $file = "/var/www/s3gw.fcgi";
my $chmod_file = "sudo chmod +x /var/www/s3gw.fcgi";
my $exe_cmd = "exec /usr/bin/radosgw -c /etc/ceph/ceph.conf -n client.radosgw.gateway";
my $file1 = "test_file3";
open (FH, ">$file1");
print FH "#!/bin/sh \n $exe_cmd \n";
close FH;
my $get_op = "sudo sh -c \"cat $file1 >> $file\"" ;
my $exit_status = exec_cmd($get_op);
exec_cmd("rm -f $file1");
my $exit_status1 = exec_cmd($chmod_file) if (!$exit_status);
return $exit_status1;
}

# To create rgw.conf
sub create_rgw_conf {
my $content = "FastCgiExternalServer /var/www/s3gw.fcgi -socket /tmp/radosgw.sock
<VirtualHost *:80>
ServerName rados.domain.com
ServerAdmin qa\@inktank.com
DocumentRoot /var/www
RewriteEngine On
RewriteRule ^/([a-zA-Z0-9-_.]*)([/]?.*) /s3gw.fcgi?page=\$1&params=\$2&%{QUERY_STRING} [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]
<IfModule mod_fastcgi.c>
<Directory /var/www>
Options +ExecCGI
AllowOverride All
SetHandler fastcgi-script
Order allow,deny
Allow from all
AuthBasicAuthoritative Off
</Directory>
</IfModule>
AllowEncodedSlashes On
ErrorLog /var/log/apache2/error.log
CustomLog /var/log/apache2/access.log combined
ServerSignature Off
</VirtualHost>";

my $file = "/etc/apache2/sites-available/rgw.conf";
my $file1 = "test_file2";
open (FH, ">$file1");
print FH "$content";
close FH;
my $get_op = "sudo sh -c \"cat $file1 >> $file\"";
my $exit_status = exec_cmd($get_op);
exec_cmd("rm -f $file1");
return $exit_status;
}

# To generate keyring for rados gateway and add it to ceph keyring with required access
sub generate_keyring_and_key
{
my $cmd = "sudo ceph-authtool --create-keyring /etc/ceph/keyring.radosgw.gateway";
my $chmod_cmd = "sudo chmod +r /etc/ceph/keyring.radosgw.gateway";
my $cmd_key = "sudo ceph-authtool /etc/ceph/keyring.radosgw.gateway -n client.radosgw.gateway --gen-key";
my $chmod_cmd_key = "sudo ceph-authtool -n client.radosgw.gateway --cap osd \'allow rwx\' --cap mon \'allow r\' /etc/ceph/keyring.radosgw.gateway";
my $exit_status = exec_cmd($cmd);
my $exit_status1 = exec_cmd($chmod_cmd) if(!$exit_status);
my $exit_status2 = exec_cmd($cmd_key) if(!$exit_status1);
my $exit_status3 = exec_cmd($chmod_cmd_key) if(!$exit_status2);
return($exit_status3);
}

# To create a rgw user
sub create_user
{
my $usr = shift;
my $cmd = "sudo radosgw-admin user create --uid=$usr --display-name=$usr";
my $status = exec_cmd($cmd);
return($status);
}

#To start radosgw
sub start_rgw
{
my $cmd = "sudo /etc/init.d/radosgw start";
my $check_ps = "ps -ef | grep radosgw | grep -v grep";
my $status = get_cmd_op($cmd);
if (!$status) {
my $ps = get_cmd_op($check_ps);
if ($ps =~ /radosgw/) {
return 0;
}
}
return 1;
}

# To start the given service
sub start_service
{
my $input = shift;
my $status = exec_cmd ("sudo service $input restart");
if (!$status){
my $output = get_cmd_op("sudo service $input status");
if ($output =~ /running/ ){
if($input eq "apache2" ) {
return 0;
}elsif($input eq "ceph"){
my $count = get_cmd_op("sudo service ceph status | wc -l");
if ($count == 8 ){
return 0;
}
}
}
}
return 1;
}

# To enable/disable site
sub ensite_dissite
{
my $a2ensite = "sudo a2ensite rgw.conf";
my $a2dissite = "sudo a2dissite default";
my $check_en = get_cmd_op($a2ensite);
my $check_dis = get_cmd_op($a2dissite);
if (($check_en =~ /nabl/) && ($check_dis =~ /isabl/)){
return 0;
}
return 1;
}

#====Main starts here ======

my $domain = "front.sepia.ceph.com";
my $host = get_hostname();
my $hostname = "$host.$domain";
my $run_update = "sudo apt-get update";
my $install_radosgw = "sudo apt-get install radosgw";
my $mkdir_rgw = "sudo mkdir -p /var/lib/ceph/radosgw/ceph-radosgw.gateway";
my $add_entry_ceph_keyring = "sudo ceph -k /etc/ceph/ceph.keyring auth add client.radosgw.gateway -i /etc/ceph/keyring.radosgw.gateway";
my $start_rgw = "sudo /etc/init.d/radosgw start";
my $user = "qa";
my $install_ap_fcgi = "yes | sudo apt-get install apache2 libapache2-mod-fastcgi" if(!exec_cmd($run_update));
my $check_en = enmod() if(!$install_ap_fcgi);
my $check_http = set_httpconf($hostname) if (!$check_en);
my $check_apache = start_service("apache2") if (!$check_http) ;
my $check_install = exec_cmd($install_radosgw) if(!$check_apache);
my $get_exit = append_ceph_conf($host) if(!$check_install);
my $get_exec = exec_cmd($mkdir_rgw) if(!$get_exit);
my $get_status = create_rgw_conf() if (!$get_exec);
my $get_enstatus = ensite_dissite() if (!$get_status);
my $get_status1 = create_fcgi() if(!$get_enstatus);
my $status = generate_keyring_and_key() if (!$get_status1);
my $status_add = exec_cmd($add_entry_ceph_keyring) if(!$status);
my $status_ceph = start_service("ceph") if (!$status_add);
my $status_apache = start_service("apache2") if (!$status_ceph);
my $status_rgw = start_rgw() if (!$status_apache);
my $status_user = create_user($user) if (!$status_rgw);
_write_log_entry("RGW installation and configuration successful!") if (!$status_user);





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