File 100-phpfpm_cleanup.pl of Package ea-apache2-config

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File 100-phpfpm_cleanup.pl of Package ea-apache2-config (Revision c13b75ecf10bfa3d229a02d7147850b3)

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#!/usr/local/cpanel/3rdparty/bin/perl
##############################################################################################
#
# Copyright (c) 2016, cPanel, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
##############################################################################################

package unihook::phpfpm_clean;

use strict;
use warnings;
use Cpanel::Version::Tiny    ();
use Cpanel::Version::Compare ();
use Cpanel::PackMan          ();

my $debuglvl    = 1;
my $script_name = $0;
$script_name =~ s/.+\/(.+?)\.pl$/$1/;

run(@ARGV) unless caller;

sub run {
    my @args = @_;

# The libraries needed to run this script weren't introduced until this release.
    return 0 if Cpanel::Version::Compare::compare( $Cpanel::Version::Tiny::VERSION_BUILD, '<', '11.60.0.1' );

require Cpanel::PHP::Config;
    require Cpanel::PHPFPM;
    require Cpanel::HttpUtils::ApRestart::BgSafe;

##############################################################################################

my $phpfpm_version = '';
    my @pkgs;

foreach my $arg (@args) {
        if ( $arg =~ m/^--pkg_list=(.+)$/ ) {
            my $pkgs_path = $1;
            if ( open( my $pkgs_list_fh, '<', $pkgs_path ) ) {
                @pkgs = <$pkgs_list_fh>;
                chomp @pkgs;
                close $pkgs_list_fh;
            }
            else {
                die "Found path to packages “$pkgs_path” but could not read from it: $!\n";
            }
        }
    }

my $restart_needed = 0;

foreach my $pkg (@pkgs) {
        msglog( 2, "Processing package '$pkg'" );
        if ( $pkg =~ m/^ea-php(\d{2})-php-fpm$/ ) {
            $phpfpm_version = $1;
        }
        else {
            # This is not the package we are looking for /waveshand
            next;
        }

# Try to determine if we are removing the package or installing it.
        # At this point, if we are installing, it should now exist. If we are removing, it should not.
        my $installing = 0;

my $pkg_hr = Cpanel::PackMan->instance->pkg_hr($pkg);
        if ( !$pkg_hr || $pkg_hr->{version_installed} eq "" ) {
            $installing = 0;
        }
        else {
            $installing = 1;
        }

# If we are installing, there presumably isn't anything to clean up. Otherwise, proceed with the purge. -.-
        if ($installing) {
            msglog( 0, "[$pkg] No need to clean user files since we are installing." );
            next;
        }
        else {
            msglog( 0, "Cleaning up PHP-FPM configs for version $phpfpm_version since we are removing the package." );
        }

# If we get here, we're going to want to restart Apache
        $restart_needed = 1;

# Build a list of users on a certain version of PHP-FPM
        my $users_ref = get_users_on_fpm_version($phpfpm_version);

# Disable any user currently configured for this version of PHP-FPM
        disable_all_fpm_users_for_version( $phpfpm_version, $users_ref );

# Rebuild the Apache config
        my $php_cfg_ref = Cpanel::PHP::Config::get_php_config_for_users($users_ref);

if ( !%$php_cfg_ref ) {
            msglog( 0, "No domains were on ea-php${phpfpm_version}-php-fpm." );
        }
        elsif ( Cpanel::PHPFPM::rebuild_files( $php_cfg_ref, 0, 1, 1 ) ) {
            msglog( 0, "All domains that were on ea-php${phpfpm_version}-php-fpm should be back to system defaults." );
        }
        else {
            msglog( 0, "Problem encountered while trying to rebuild the PHP-FPM related configuration files. Please check the Apache server to be sure it is running correctly." );
        }
    }

if ($restart_needed) {

# Finally, restart apache with the updated config
        msglog( 0, "Restarting Apache" );
        Cpanel::HttpUtils::ApRestart::BgSafe::restart();
    }
}

##############################################################################################
# Functions
##############################################################################################

sub get_users_on_fpm_version {
    my ($version) = @_;
    my @users;

require Cpanel::PHPFPM::Constants;

no warnings qw( once );
    my $conf_dir_path = "$Cpanel::PHPFPM::Constants::opt_cpanel/ea-php$version/root/etc/php-fpm.d/";
    use warnings qw( once );

if ( opendir( my $user_confs_dir, $conf_dir_path ) ) {
        foreach my $file ( readdir($user_confs_dir) ) {
            if ( $file =~ m/.+\.conf$/ ) {
                if ( open( my $cnf_fh, '<', "$conf_dir_path/$file" ) ) {
                    while ( my $line = <$cnf_fh> ) {
                        $line =~ s/\s+//g;
                        chomp($line);
                        if ( $line =~ m/^user=\"*([^\"]*)\"*$/ ) {
                            my $username = $1;
                            push( @users, $username );
                        }
                    }
                    close $cnf_fh;
                }
            }
        }
        close $user_confs_dir;
    }
    return \@users;
}

sub disable_all_fpm_users_for_version {
    my ( $version, $users_ref ) = @_;

# We might get $version as just the numbers like 55, 56, 70, etc, or a full string, like ea-php55, ea-php56 or ea-php70
    if ( $version =~ m/ea-php(\d+)/ ) {
        $version = $1;
    }

# We'll iterate through all the .conf files in this version's php-fom.d config directory and build a list of users on this version.
    # Then we'll go through those users and remove their yaml configs ?

foreach my $user ( @{$users_ref} ) {
        if ( opendir( my $userdata_dir, '/var/cpanel/userdata/' . $user ) ) {
            foreach my $file ( readdir($userdata_dir) ) {
                if ( $file =~ m/.+\.php\-fpm\.yaml$/ ) {
                    unlink( $userdata_dir, '/var/cpanel/userdata/' . $user . '/' . $file );
                }
            }
            close($userdata_dir);
        }
    }
    return;
}

sub msglog {
    my ( $lvl, $text ) = @_;
    if ( $lvl <= $debuglvl ) {
        my $ts     = scalar( localtime(time) );
        my @caller = caller();
        print STDOUT "[$ts] [$script_name] $text\n";
    }
    return;
}

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File 100-phpfpm_cleanup.pl of Package ea-apache2-config (Revision c13b75ecf10bfa3d229a02d7147850b3)

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