316 lines
8.0 KiB
Perl
316 lines
8.0 KiB
Perl
=head1 java-lib.pl
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Functions for managing Oracle JDK installations.
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foreign_require("tomcat", "tomcat-lib.pl");
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@sites = tomcat::list_tomcat_websites()
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=cut
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BEGIN { push(@INC, ".."); };
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use warnings;
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use WebminCore;
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foreign_require('software', 'software-lib.pl');
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require './geoserver-lib.pl';
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sub get_openjdk_patterns(){
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my %osinfo = &detect_operating_system();
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my %rv;
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if( ($osinfo{'real_os_type'} =~ /centos/i) or #CentOS
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($osinfo{'real_os_type'} =~ /fedora/i) or #Fedora
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($osinfo{'real_os_type'} =~ /scientific/i) ){
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$rv{'search'} = 'openjdk';
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$rv{'version'} = '^java-([0-9\.]+)-openjdk$';
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}elsif( $osinfo{'os_type'} =~ /debian/i){ #ubuntu
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$rv{'search'} = 'openjdk-[0-9]+-jdk$';
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$rv{'version'} = 'openjdk-([0-9]+)-jdk';
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}
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return %rv;
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}
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sub get_openjdk_versions(){
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my $cache_file = "$module_config_directory/openjdk_version_cache";
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my %openjdk_versions;
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if(-f $cache_file){
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read_file_cached($cache_file, \%openjdk_versions);
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if($openjdk_versions{'updated'} >= (time() - 86400)){ #if last update was less than a day ago
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delete $openjdk_versions{'updated'}; #remove the cache mtime key
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return %openjdk_versions;
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}
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}
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my %patterns = get_openjdk_patterns();
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my @avail = search_pkg($patterns{'search'});
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foreach $a (@avail) {
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if($a->{'name'} =~ /$patterns{'version'}/){
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$openjdk_versions{$1} = $a->{'name'};
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}
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}
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#cache the results
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$openjdk_versions{'updated'} = time();
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&write_file($cache_file, \%openjdk_versions);
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delete $openjdk_versions{'updated'}; #remove the cache mtime key
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return %openjdk_versions;
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}
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sub get_latest_jdk_version(){
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my %java_tar_gz;
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my $cache_file = "$module_config_directory/oracle_version_cache";
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if(-f $cache_file){
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read_file_cached($cache_file, \%java_tar_gz);
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if($java_tar_gz{'updated'} >= (time() - 86400)){ #if last update was less than a day ago
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delete $java_tar_gz{'updated'}; #remove the cache mtime key
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return %java_tar_gz;
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}
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}
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my $error;
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my $url = 'https://www.oracle.com/java/technologies/downloads/';
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$tmpfile = &transname("javase.html");
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&error_setup(&text('install_err3', $url));
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&http_download("www.oracle.com", 443, "/java/technologies/downloads/", $tmpfile, \$error,
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undef, 1, undef, 0, 0, 1);
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open($fh, '<', $tmpfile) or die "open:$!";
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while(my $line = <$fh>){
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#https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz
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if($line =~ /(https:\/\/download.oracle.com\/java\/([0-9]+)\/latest\/jdk-[0-9]+_linux-x64_bin.tar.gz)/){
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#if($line =~ /"filepath":"(https:\/\/download.oracle.com\/otn-pub\/java\/jdk\/([a-z0-9-\.+]+)\/[a-z0-9]+\/jdk-[a-z0-9-\.]+_linux-x64_bin.tar.gz)/){
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$java_tar_gz{$2} = $1;
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#last;
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}
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}
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close $fh;
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#cache the results
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$java_tar_gz{'updated'} = time();
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&write_file($cache_file, \%java_tar_gz);
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delete $java_tar_gz{'updated'}; #remove the cache mtime key
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return %java_tar_gz;
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}
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sub get_installed_jdk_versions(){
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my @jdks = get_installed_oracle_jdk_versions();
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push(@jdks, get_installed_openjdk_versions());
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return @jdks;
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}
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sub get_installed_openjdk_versions{
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my @pkgs = ();
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my %patterns = get_openjdk_patterns();
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my $cmd_out='';
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my $cmd_err='';
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if(has_command('rpm')){
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local $out = &execute_command("rpm -qa --queryformat \"%{NAME}\n\" \"*$patterns['search']*\"", undef, \$cmd_out, \$cmd_err, 0, 0);
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my @lines = split /\n/, $cmd_out;
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foreach my $line (@lines){
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if($line =~ /^(java-[0-9\.]+-openjdk).*/i){ #package pgdg96-centos is not installed
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push(@pkgs, $1);
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}
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}
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}elsif(has_command('dpkg')){
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local $out = &execute_command("dpkg -l \"*openjdk*\"", undef, \$cmd_out, \$cmd_err, 0, 0);
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my %all_pkgs;
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my @lines = split /\n/, $cmd_out;
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foreach my $line (@lines){
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if($line =~ /^(..)\s+(openjdk-[0-9\.]*)-.*:.*/i){
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my $pkg = $2;
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if($1 =~ /[uirph]i/){
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$all_pkgs{$pkg} = 1;
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}
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}
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}
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@pkgs = keys %all_pkgs;
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}else{
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my @dirs;
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opendir(DIR, '/usr/java/') or return @dirs;
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@dirs
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= grep {
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/^jdk-[0-9\.]+/
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&& -d "/usr/java/$_"
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} readdir(DIR);
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closedir(DIR);
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}
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return sort @pkgs;
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}
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sub get_installed_oracle_jdk_versions{
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my @dirs;
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opendir(DIR, '/usr/java/') or return @dirs;
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@dirs = grep {
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/^jdk[0-9\.\-_]+/
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&& -d "/usr/java/$_"
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} readdir(DIR);
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closedir(DIR);
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return sort @dirs;
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}
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sub is_default_jdk{
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my $jdk_dir = $_[0];
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my %os_env;
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if(-f '/etc/profile.d/jdk.sh'){
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read_env_file('/etc/profile.d/jdk.sh', \%os_env);
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}elsif(-f '/etc/environment'){
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read_env_file('/etc/environment', \%os_env);
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}
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if($os_env{'JAVA_HOME'} eq $jdk_dir){
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return 1;
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}else{
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return 0;
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}
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}
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sub get_java_version(){
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local %version;
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local $out = &backquote_command('java \-version 2>&1');
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if ($out =~ /java\sversion\s\"([0-9]\.([0-9])\.[0-9]_[0-9]+)\"/) {
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$version{'major'} = $2;
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$version{'full'} = $1;
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}else {
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$version{'major'} = 0;
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$version{'full'} = $out;
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}
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return %version;
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}
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sub get_java_home(){
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my $java_path = &resolve_links('/usr/bin/java');
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$java_path =~ s/\/bin\/java//;
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return $java_path;
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}
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sub set_default_java{
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my $jdk_dir = $_[0];
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my $alt_cmd = "";
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if(has_command('alternatives')){ #CentOS
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$alt_cmd = 'alternatives';
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}elsif(has_command('update-alternatives')){ #ubuntu
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$alt_cmd = 'update-alternatives';
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}else{
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print "Warning: No alternatives command found<br>";
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}
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if($alt_cmd ne ""){
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print "Updating Java using $alt_cmd<br>";
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my @jdk_progs = ('java', 'jar', 'javac');
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foreach my $prog (@jdk_progs){
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$cmd_out='';
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$cmd_err='';
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local $out = &execute_command("$alt_cmd --install /usr/bin/$prog $prog $jdk_dir/bin/$prog 1", undef, \$cmd_out, \$cmd_err, 0, 0);
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$out.= &execute_command("$alt_cmd --set $prog $jdk_dir/bin/$prog", undef, \$cmd_out, \$cmd_err, 0, 0);
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if($cmd_err){
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$cmd_err = s/\n/<br>/g;
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&error("Error: $alt_cmd: $cmd_err");
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}else{
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$cmd_out = s/\n/<br>/g;
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print &html_escape($cmd_out);
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}
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}
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}
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print "<hr>Setting Java environment variables...<br>";
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my %os_env;
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$os_env{'J2SDKDIR'} = $jdk_dir;
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$os_env{'JAVA_HOME'} = $jdk_dir;
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$os_env{'DERBY_HOME'}= "$jdk_dir/db";
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$os_env{'J2REDIR'} = "$jdk_dir/jre";
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if(-e '/etc/profile.d/'){
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$os_env{'PATH'} = "\$PATH:$jdk_dir/bin:$jdk_dir/db/bin:$jdk_dir/jre/bin";
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write_env_file('/etc/profile.d/jdk.sh', \%os_env, 1);
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}elsif(-e '/etc/environment'){
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read_env_file('/etc/environment', \%os_env);
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$os_env{'PATH'} = "$os_env{'PATH'}:$jdk_dir/bin:$jdk_dir/db/bin:$jdk_dir/jre/bin";
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write_env_file('/etc/environment', \%os_env, 0);
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}
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}
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sub unset_default_java{
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my $jdk_dir = $_[0];
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print "Removing Java environment variables ...<br>";
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if(-f '/etc/profile.d/jdk.sh'){
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unlink_file('/etc/profile.d/jdk.sh');
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}elsif(-f '/etc/environment'){
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my %os_env;
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read_env_file('/etc/environment', \%os_env);
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delete $os_env{'J2SDKDIR'};
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delete $os_env{'JAVA_HOME'};
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delete $os_env{'DERBY_HOME'};
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delete $os_env{'J2REDIR'};
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write_env_file('/etc/environment', \%os_env, 0);
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}
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my $alt_cmd = "";
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if(has_command('alternatives')){ #CentOS
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$alt_cmd = 'alternatives';
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}elsif(has_command('update-alternatives')){ #ubuntu
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$alt_cmd = 'update-alternatives';
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}else{
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print "Warning: No alternatives command found<br>";
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}
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if($alt_cmd ne ""){
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print "Removing Java using $alt_cmd<br>";
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my @jdk_progs = ('java', 'jar', 'javac');
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foreach my $prog (@jdk_progs){
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$cmd_out='';
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$cmd_err='';
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local $out = &execute_command("$alt_cmd --remove $prog $jdk_dir/bin/$prog", undef, \$cmd_out, \$cmd_err, 0, 0);
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if($cmd_err){
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&error("Error: $alt_cmd: $cmd_err");
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}else{
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$cmd_out = s/\r\n/<br>/g;
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print &html_escape($cmd_out);
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}
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}
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}
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}
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sub get_jdk_dir_by_name{
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my $jdk_name = $_[0];
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my $jdk_dir = '';
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if($jdk_name =~ /.*openjdk.*/){
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my $jdk_ver = (split /-/, $jdk_name)[1]; #get version from name
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my @known_dirs = ('java-'.$jdk_ver.'-openjdk', 'java-'.$jdk_ver.'-openjdk-amd64', 'jre-'.$jdk_ver.'-openjdk');
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foreach $jvm_name (@known_dirs){
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if(-d '/usr/lib/jvm/'.$jvm_name){
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$jdk_dir = '/usr/lib/jvm/'.$jvm_name;
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last;
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}
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}
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}else{
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$jdk_dir = '/usr/java/'.$jdk_name;
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}
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return $jdk_dir;
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}
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1;
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